Refactor Core things, including Ecto handling, ActivityPub & Transmogrifier modules

* Data doesn't need anymore to be converted to ActivityStream format to
be saved (this was taken from Pleroma and not at all a good idea here)
* Everything saved when creating an event is inserted into PostgreSQL in
a single transaction

js/src/components/Event/EventListCard.vue

@@ -14,7 +14,7 @@ export default {
   data() {
     return {
       participation: {
-        event: { 
+        event: {
           title: 'Vue Styleguidist first meetup: learn the basics!',
           id: 5,
           uuid: 'some uuid',
@@ -31,7 +31,7 @@ export default {
           },
           participantStats: {
             approved: 1,
-            unapproved: 2
+            notApproved: 2
           }
         },
         actor: {
@@ -75,20 +75,20 @@ export default {
           </span>
           <span class="column is-narrow participant-stats">
             <span v-if="participation.event.options.maximumAttendeeCapacity !== 0">
-              {{ $t('{approved} / {total} seats', {approved: participation.event.participantStats.participants, total: participation.event.options.maximumAttendeeCapacity }) }}
+              {{ $t('{approved} / {total} seats', {approved: participation.event.participantStats.participant, total: participation.event.options.maximumAttendeeCapacity }) }}
 <!--              <b-progress-->
 <!--                      v-if="participation.event.options.maximumAttendeeCapacity > 0"-->
 <!--                      size="is-medium"-->
-<!--                      :value="participation.event.participantStats.participants * 100 / participation.event.options.maximumAttendeeCapacity">-->
+<!--                      :value="participation.event.participantStats.participant * 100 / participation.event.options.maximumAttendeeCapacity">-->
 <!--              </b-progress>-->
             </span>
             <span v-else>
-              {{ $tc('{count} participants', participation.event.participantStats.participants, { count: participation.event.participantStats.participants })}}
+              {{ $tc('{count} participants', participation.event.participantStats.participant, { count: participation.event.participantStats.participant })}}
             </span>
             <span
-              v-if="participation.event.participantStats.unapproved > 0">
+              v-if="participation.event.participantStats.notApproved > 0">
               <b-button type="is-text" @click="gotToWithCheck(participation, { name: RouteName.PARTICIPATIONS, params: { eventId: participation.event.uuid } })">
-                {{ $tc('{count} requests waiting', participation.event.participantStats.unapproved, { count: participation.event.participantStats.unapproved })}}
+                {{ $tc('{count} requests waiting', participation.event.participantStats.notApproved, { count: participation.event.participantStats.notApproved })}}
               </b-button>
             </span>
           </span>

js/src/graphql/actor.ts

@@ -113,9 +113,8 @@ query LoggedUserParticipations($afterDateTime: DateTime, $beforeDateTime: DateTi
                   }
               },
               participantStats {
-                  approved,
+                  notApproved
-                  unapproved,
+                  participant
-                  participants
               },
               options {
                   maximumAttendeeCapacity
@@ -161,8 +160,8 @@ export const LOGGED_USER_DRAFTS = gql`
                     }
                 },
                 participantStats {
-                    approved,
+                    going,
-                    unapproved
+                    notApproved
                 },
                 options {
                     maximumAttendeeCapacity

js/src/graphql/event.ts

@@ -102,9 +102,9 @@ export const FETCH_EVENT = gql`
       #     name,
       # },
       participantStats {
-        approved,
+        going,
-        unapproved,
+        notApproved,
-        participants
+        participant
       },
       tags {
         ${tagsQuery}
@@ -259,9 +259,9 @@ export const CREATE_EVENT = gql`
         id,
       },
       participantStats {
-        approved,
+        going,
-        unapproved,
+        notApproved,
-        participants
+        participant
       },
       tags {
         ${tagsQuery}
@@ -344,9 +344,9 @@ export const EDIT_EVENT = gql`
         id,
       },
       participantStats {
-        approved,
+        going,
-        unapproved,
+        notApproved,
-        participants
+        participant
       },
       tags {
         ${tagsQuery}
@@ -410,10 +410,10 @@ export const PARTICIPANTS = gql`
         ${participantQuery}
       },
       participantStats {
-        approved,
+        going,
-        unapproved,
+        notApproved,
         rejected,
-        participants
+        participant
       }
     }
   }

js/src/mixins/event.ts

@@ -8,10 +8,10 @@ import { IPerson } from '@/types/actor';
 @Component
 export default class EventMixin extends mixins(Vue) {
   async openDeleteEventModal (event: IEvent, currentActor: IPerson) {
-    const participantsLength = event.participantStats.approved;
+    const participantsLength = event.participantStats.participant;
     const prefix = participantsLength
-            ? this.$tc('There are {participants} participants.', event.participantStats.approved, {
+            ? this.$tc('There are {participants} participants.', event.participantStats.participant, {
-              participants: event.participantStats.approved,
+              participants: event.participantStats.participant,
             })
             : '';
 

js/src/types/event.model.ts

@@ -94,10 +94,13 @@ export enum CommentModeration {
 }
 
 export interface IEventParticipantStats {
-  approved: number;
+  notApproved: number;
-  unapproved: number;
   rejected: number;
-  participants: number;
+  participant: number;
+  creator: number;
+  moderator: number;
+  administrator: number;
+  going: number;
 }
 
 export interface IEvent {
@@ -192,7 +195,7 @@ export class EventModel implements IEvent {
 
   publishAt = new Date();
 
-  participantStats = { approved: 0, unapproved: 0, rejected: 0, participants: 0 };
+  participantStats = { notApproved: 0, rejected: 0, participant: 0, moderator: 0, administrator: 0, creator: 0, going: 0 };
   participants: IParticipant[] = [];
 
   relatedEvents: IEvent[] = [];

js/src/views/Event/Event.vue

@@ -16,18 +16,18 @@ import {ParticipantRole} from "@/types/event.model";
                   <h1 class="title">{{ event.title }}</h1>
                   <span>
                     <router-link v-if="actorIsOrganizer" :to="{ name: RouteName.PARTICIPATIONS, params: {eventId: event.uuid}}">
-                      <small v-if="event.participantStats.approved > 0 && !actorIsParticipant">
+                      <small v-if="event.participantStats.going > 0 && !actorIsParticipant">
-                        {{ $tc('One person is going', event.participantStats.approved, {approved: event.participantStats.approved}) }}
+                        {{ $tc('One person is going', event.participantStats.going, {approved: event.participantStats.going}) }}
                       </small>
-                      <small v-else-if="event.participantStats.approved > 0 && actorIsParticipant">
+                      <small v-else-if="event.participantStats.going > 0 && actorIsParticipant">
-                        {{ $tc('You and one other person are going to this event', event.participantStats.participants, { approved: event.participantStats.participants }) }}
+                        {{ $tc('You and one other person are going to this event', event.participantStats.participant, { approved: event.participantStats.participant }) }}
                       </small>
                     </router-link>
-                    <small v-if="event.participantStats.approved > 0 && !actorIsParticipant && !actorIsOrganizer">
+                    <small v-if="event.participantStats.going > 0 && !actorIsParticipant && !actorIsOrganizer">
-                      {{ $tc('One person is going', event.participantStats.approved, {approved: event.participantStats.approved}) }}
+                      {{ $tc('One person is going', event.participantStats.going, {approved: event.participantStats.going}) }}
                     </small>
-                    <small v-else-if="event.participantStats.approved > 0 && actorIsParticipant && !actorIsOrganizer">
+                    <small v-else-if="event.participantStats.going > 0 && actorIsParticipant && !actorIsOrganizer">
-                      {{ $tc('You and one other person are going to this event', event.participantStats.participants, { approved: event.participantStats.participants }) }}
+                      {{ $tc('You and one other person are going to this event', event.participantStats.participant, { approved: event.participantStats.participant }) }}
                     </small>
                     <small v-if="event.options.maximumAttendeeCapacity">
                         {{ $tc('All the places have already been taken', numberOfPlacesStillAvailable, { places: numberOfPlacesStillAvailable}) }}
@@ -443,10 +443,10 @@ export default class Event extends EventMixin {
           }
 
           if (data.joinEvent.role === ParticipantRole.NOT_APPROVED) {
-            event.participantStats.unapproved = event.participantStats.unapproved + 1;
+            event.participantStats.notApproved = event.participantStats.notApproved + 1;
           } else {
-            event.participantStats.approved = event.participantStats.approved + 1;
+            event.participantStats.going = event.participantStats.going + 1;
-            event.participantStats.participants = event.participantStats.participants + 1;
+            event.participantStats.participant = event.participantStats.participant + 1;
           }
 
           store.writeQuery({ query: FETCH_EVENT, variables: { uuid: this.uuid }, data: { event } });
@@ -514,10 +514,10 @@ export default class Event extends EventMixin {
             return;
           }
           if (participation.role === ParticipantRole.NOT_APPROVED) {
-            event.participantStats.unapproved = event.participantStats.unapproved - 1;
+            event.participantStats.notApproved = event.participantStats.notApproved - 1;
           } else {
-            event.participantStats.approved = event.participantStats.approved - 1;
+            event.participantStats.going = event.participantStats.going - 1;
-            event.participantStats.participants = event.participantStats.participants - 1;
+            event.participantStats.participant = event.participantStats.participant - 1;
           }
           store.writeQuery({ query: FETCH_EVENT, variables: { uuid: this.uuid }, data: { event } });
         },
@@ -591,11 +591,11 @@ export default class Event extends EventMixin {
 
   get eventCapacityOK(): boolean {
     if (!this.event.options.maximumAttendeeCapacity) return true;
-    return this.event.options.maximumAttendeeCapacity > this.event.participantStats.participants;
+    return this.event.options.maximumAttendeeCapacity > this.event.participantStats.participant;
   }
 
   get numberOfPlacesStillAvailable(): number {
-    return this.event.options.maximumAttendeeCapacity - this.event.participantStats.participants;
+    return this.event.options.maximumAttendeeCapacity - this.event.participantStats.participant;
   }
 
   urlToHostname(url: string): string|null {

js/src/views/Event/Participants.vue

@@ -4,7 +4,7 @@
             <b-tab-item>
                 <template slot="header">
                     <b-icon icon="account-multiple"></b-icon>
-                    <span>{{ $t('Participants')}} <b-tag rounded> {{ participantStats.approved }} </b-tag> </span>
+                    <span>{{ $t('Participants')}} <b-tag rounded> {{ participantStats.going }} </b-tag> </span>
                 </template>
                 <template>
                   <section v-if="participantsAndCreators.length > 0">
@@ -22,10 +22,10 @@
                   </section>
                 </template>
             </b-tab-item>
-            <b-tab-item :disabled="participantStats.unapproved === 0">
+            <b-tab-item :disabled="participantStats.notApproved === 0">
                 <template slot="header">
                     <b-icon icon="account-multiple-plus"></b-icon>
-                    <span>{{ $t('Requests') }} <b-tag rounded> {{ participantStats.unapproved }} </b-tag> </span>
+                    <span>{{ $t('Requests') }} <b-tag rounded> {{ participantStats.notApproved }} </b-tag> </span>
                 </template>
                 <template>
                   <section v-if="queue.length > 0">
@@ -182,7 +182,7 @@ export default class Participants extends Vue {
   @Watch('participantStats', { deep: true })
   watchParticipantStats(stats: IEventParticipantStats) {
     if (!stats) return;
-    if ((stats.unapproved === 0 && this.activeTab === 1) || stats.rejected === 0 && this.activeTab === 2 ) {
+    if ((stats.notApproved === 0 && this.activeTab === 1) || stats.rejected === 0 && this.activeTab === 2 ) {
       this.activeTab = 0;
     }
   }
@@ -223,9 +223,9 @@ export default class Participants extends Vue {
       if (data) {
         this.queue = this.queue.filter(participant => participant.id !== data.updateParticipation.id);
         this.rejected = this.rejected.filter(participant => participant.id !== data.updateParticipation.id);
-        this.event.participantStats.approved += 1;
+        this.event.participantStats.going += 1;
         if (participant.role === ParticipantRole.NOT_APPROVED) {
-          this.event.participantStats.unapproved -= 1;
+          this.event.participantStats.notApproved -= 1;
         }
         if (participant.role === ParticipantRole.REJECTED) {
           this.event.participantStats.rejected -= 1;
@@ -253,11 +253,11 @@ export default class Participants extends Vue {
         this.queue = this.queue.filter(participant => participant.id !== data.updateParticipation.id);
         this.event.participantStats.rejected += 1;
         if (participant.role === ParticipantRole.PARTICIPANT) {
-          this.event.participantStats.participants -= 1;
+          this.event.participantStats.participant -= 1;
-          this.event.participantStats.approved -= 1;
+          this.event.participantStats.going -= 1;
         }
         if (participant.role === ParticipantRole.NOT_APPROVED) {
-          this.event.participantStats.unapproved -= 1;
+          this.event.participantStats.notApproved -= 1;
         }
         participant.role = ParticipantRole.REJECTED;
         this.rejected = this.rejected.filter(participantIn => participantIn.id !== participant.id);

lib/mix/tasks/mobilizon/move_participant_stats.ex

@@ -0,0 +1,67 @@
+defmodule Mix.Tasks.Mobilizon.MoveParticipantStats do
+  @moduledoc """
+  Temporary task to move participant stats in the events table
+
+  This task will be removed in version 1.0.0-beta.3
+  """
+
+  use Mix.Task
+
+  alias Mobilizon.Storage.Repo
+  alias Mobilizon.Events
+  alias Mobilizon.Events.Event
+  alias Mobilizon.Events.ParticipantRole
+  import Ecto.Query
+
+  require Logger
+
+  @shortdoc "Move participant stats to events table"
+  def run([]) do
+    Mix.Task.run("app.start")
+
+    events =
+      Event
+      |> preload([e], :tags)
+      |> Repo.all()
+
+    nb_events = length(events)
+
+    IO.puts(
+      "\nStarting inserting participants stats into #{nb_events} events, this can take a while…\n"
+    )
+
+    insert_participants_stats_into_events(events, nb_events)
+  end
+
+  defp insert_participants_stats_into_events([%Event{url: url} = event | events], nb_events) do
+    with roles <- ParticipantRole.__enum_map__(),
+         counts <-
+           Enum.reduce(roles, %{}, fn role, acc ->
+             Map.put(acc, role, count_participants(event, role))
+           end),
+         {:ok, _} <-
+           Events.update_event(event, %{
+             participant_stats: counts
+           }) do
+      Logger.debug("Added participants stats to event #{url}")
+    else
+      {:error, res} ->
+        Logger.error("Error while adding participants stats to event #{url} : #{inspect(res)}")
+    end
+
+    ProgressBar.render(nb_events - length(events), nb_events)
+
+    insert_participants_stats_into_events(events, nb_events)
+  end
+
+  defp insert_participants_stats_into_events([], nb_events) do
+    IO.puts("\nFinished inserting participant stats for #{nb_events} events!\n")
+  end
+
+  defp count_participants(%Event{id: event_id}, role) when is_atom(role) do
+    event_id
+    |> Events.count_participants_query()
+    |> Events.filter_role(role)
+    |> Repo.aggregate(:count, :id)
+  end
+end

lib/mix/tasks/mobilizon/setup_search.ex

@@ -0,0 +1,49 @@
+defmodule Mix.Tasks.Mobilizon.SetupSearch do
+  @moduledoc """
+  Temporary task to insert search data from existing events
+
+  This task will be removed in version 1.0.0-beta.3
+  """
+
+  use Mix.Task
+
+  alias Mobilizon.Service.Search
+  alias Mobilizon.Storage.Repo
+  alias Mobilizon.Events.Event
+  import Ecto.Query
+
+  require Logger
+
+  @shortdoc "Insert search data"
+  def run([]) do
+    Mix.Task.run("app.start")
+
+    events =
+      Event
+      |> preload([e], :tags)
+      |> Repo.all()
+
+    nb_events = length(events)
+
+    IO.puts("\nStarting setting up search for #{nb_events} events, this can take a while…\n")
+    insert_search_event(events, nb_events)
+  end
+
+  defp insert_search_event([%Event{url: url} = event | events], nb_events) do
+    case Search.insert_search_event(event) do
+      {:ok, _} ->
+        Logger.debug("Added event #{url} to the search")
+
+      {:error, res} ->
+        Logger.error("Error while adding event #{url} to the search: #{inspect(res)}")
+    end
+
+    ProgressBar.render(nb_events - length(events), nb_events)
+
+    insert_search_event(events, nb_events)
+  end
+
+  defp insert_search_event([], nb_events) do
+    IO.puts("\nFinished setting up search for #{nb_events} events!\n")
+  end
+end

lib/mix/tasks/mobilizon/toot.ex

@@ -5,18 +5,20 @@ defmodule Mix.Tasks.Mobilizon.Toot do
 
   use Mix.Task
 
-  alias MobilizonWeb.API
+  alias MobilizonWeb.API.Comments
+  alias Mobilizon.Actors
+  alias Mobilizon.Actors.Actor
 
   require Logger
 
   @shortdoc "Toot to an user"
-  def run([from, content]) do
+  def run([from, text]) do
     Mix.Task.run("app.start")
 
-    case API.Comments.create_comment(from, content) do
+    with {:local_actor, %Actor{} = actor} <- {:local_actor, Actors.get_local_actor_by_name(from)},
-      {:ok, _, _} ->
+         {:ok, _, _} <- Comments.create_comment(%{actor: actor, text: text}) do
-        Mix.shell().info("Tooted")
+      Mix.shell().info("Tooted")
-
+    else
       {:local_actor, _, _} ->
         Mix.shell().error("Failed to toot.\nActor #{from} doesn't exist")
 

lib/mobilizon/actors/actor.ex

@@ -13,6 +13,7 @@ defmodule Mobilizon.Actors.Actor do
   alias Mobilizon.Media.File
   alias Mobilizon.Reports.{Note, Report}
   alias Mobilizon.Users.User
+  alias Mobilizon.Mention
 
   alias MobilizonWeb.Endpoint
   alias MobilizonWeb.Router.Helpers, as: Routes
@@ -46,6 +47,7 @@ defmodule Mobilizon.Actors.Actor do
           created_reports: [Report.t()],
           subject_reports: [Report.t()],
           report_notes: [Note.t()],
+          mentions: [Mention.t()],
           memberships: [t]
         }
 
@@ -139,6 +141,7 @@ defmodule Mobilizon.Actors.Actor do
     has_many(:created_reports, Report, foreign_key: :reporter_id)
     has_many(:subject_reports, Report, foreign_key: :reported_id)
     has_many(:report_notes, Note, foreign_key: :moderator_id)
+    has_many(:mentions, Mention)
     many_to_many(:memberships, __MODULE__, join_through: Member)
 
     timestamps()

lib/mobilizon/actors/actors.ex

@@ -88,7 +88,10 @@ defmodule Mobilizon.Actors do
   """
   @spec get_actor_by_url(String.t(), boolean) ::
           {:ok, Actor.t()} | {:error, :actor_not_found}
-  def get_actor_by_url(url, preload \\ false) do
+  def get_actor_by_url(url, preload \\ false)
+  def get_actor_by_url(nil, _preload), do: {:error, :actor_not_found}
+
+  def get_actor_by_url(url, preload) do
     case Repo.get_by(Actor, url: url) do
       nil ->
         {:error, :actor_not_found}

lib/mobilizon/addresses/address.ex

@@ -65,8 +65,7 @@ defmodule Mobilizon.Addresses.Address do
 
   @spec set_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
   defp set_url(%Ecto.Changeset{changes: changes} = changeset) do
-    uuid = Ecto.UUID.generate()
+    url = Map.get(changes, :url, "#{MobilizonWeb.Endpoint.url()}/address/#{Ecto.UUID.generate()}")
-    url = Map.get(changes, :url, "#{MobilizonWeb.Endpoint.url()}/address/#{uuid}")
 
     put_change(changeset, :url, url)
   end

lib/mobilizon/events/comment.ex

@@ -8,7 +8,8 @@ defmodule Mobilizon.Events.Comment do
   import Ecto.Changeset
 
   alias Mobilizon.Actors.Actor
-  alias Mobilizon.Events.{Comment, CommentVisibility, Event}
+  alias Mobilizon.Events.{Comment, CommentVisibility, Event, Tag}
+  alias Mobilizon.Mention
 
   alias MobilizonWeb.Endpoint
   alias MobilizonWeb.Router.Helpers, as: Routes
@@ -22,6 +23,8 @@ defmodule Mobilizon.Events.Comment do
           actor: Actor.t(),
           attributed_to: Actor.t(),
           event: Event.t(),
+          tags: [Tag.t()],
+          mentions: [Mention.t()],
           in_reply_to_comment: t,
           origin_comment: t
         }
@@ -42,6 +45,8 @@ defmodule Mobilizon.Events.Comment do
     belongs_to(:event, Event, foreign_key: :event_id)
     belongs_to(:in_reply_to_comment, Comment, foreign_key: :in_reply_to_comment_id)
     belongs_to(:origin_comment, Comment, foreign_key: :origin_comment_id)
+    many_to_many(:tags, Tag, join_through: "comments_tags", on_replace: :delete)
+    has_many(:mentions, Mention)
 
     timestamps(type: :utc_datetime)
   end
@@ -57,16 +62,45 @@ defmodule Mobilizon.Events.Comment do
   @doc false
   @spec changeset(t, map) :: Ecto.Changeset.t()
   def changeset(%__MODULE__{} = comment, attrs) do
-    uuid = attrs["uuid"] || Ecto.UUID.generate()
+    uuid = Map.get(attrs, :uuid) || Ecto.UUID.generate()
-    url = attrs["url"] || generate_url(uuid)
+    url = Map.get(attrs, :url) || generate_url(uuid)
 
     comment
     |> cast(attrs, @attrs)
     |> put_change(:uuid, uuid)
     |> put_change(:url, url)
+    |> put_tags(attrs)
+    |> put_mentions(attrs)
     |> validate_required(@required_attrs)
   end
 
   @spec generate_url(String.t()) :: String.t()
   defp generate_url(uuid), do: Routes.page_url(Endpoint, :comment, uuid)
+
+  @spec put_tags(Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
+  defp put_tags(changeset, %{"tags" => tags}),
+    do: put_assoc(changeset, :tags, Enum.map(tags, &process_tag/1))
+
+  defp put_tags(changeset, %{tags: tags}),
+    do: put_assoc(changeset, :tags, Enum.map(tags, &process_tag/1))
+
+  defp put_tags(changeset, _), do: changeset
+
+  @spec put_mentions(Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
+  defp put_mentions(changeset, %{"mentions" => mentions}),
+    do: put_assoc(changeset, :mentions, Enum.map(mentions, &process_mention/1))
+
+  defp put_mentions(changeset, %{mentions: mentions}),
+    do: put_assoc(changeset, :mentions, Enum.map(mentions, &process_mention/1))
+
+  defp put_mentions(changeset, _), do: changeset
+
+  # We need a changeset instead of a raw struct because of slug which is generated in changeset
+  defp process_tag(tag) do
+    Tag.changeset(%Tag{}, tag)
+  end
+
+  defp process_mention(tag) do
+    Mention.changeset(%Mention{}, tag)
+  end
 end

lib/mobilizon/events/event.ex

@@ -6,22 +6,31 @@ defmodule Mobilizon.Events.Event do
   use Ecto.Schema
 
   import Ecto.Changeset
+  alias Ecto.Changeset
 
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Addresses.Address
 
+  alias Mobilizon.Addresses
+
   alias Mobilizon.Events.{
     EventOptions,
     EventStatus,
     EventVisibility,
     JoinOptions,
+    EventParticipantStats,
     Participant,
     Session,
     Tag,
     Track
   }
 
+  alias Mobilizon.Media
   alias Mobilizon.Media.Picture
+  alias Mobilizon.Mention
+
+  alias MobilizonWeb.Endpoint
+  alias MobilizonWeb.Router.Helpers, as: Routes
 
   @type t :: %__MODULE__{
           url: String.t(),
@@ -47,30 +56,15 @@ defmodule Mobilizon.Events.Event do
           picture: Picture.t(),
           tracks: [Track.t()],
           sessions: [Session.t()],
+          mentions: [Mention.t()],
           tags: [Tag.t()],
           participants: [Actor.t()]
         }
 
-  @required_attrs [:title, :begins_on, :organizer_actor_id, :url, :uuid]
+  @update_required_attrs [:title, :begins_on, :organizer_actor_id]
+  @required_attrs @update_required_attrs ++ [:url, :uuid]
+
   @optional_attrs [
-    :slug,
-    :description,
-    :ends_on,
-    :category,
-    :status,
-    :draft,
-    :visibility,
-    :publish_at,
-    :online_address,
-    :phone_address,
-    :picture_id,
-    :physical_address_id
-  ]
-  @attrs @required_attrs ++ @optional_attrs
-
-  @update_required_attrs @required_attrs
-
-  @update_optional_attrs [
     :slug,
     :description,
     :ends_on,
@@ -85,7 +79,9 @@ defmodule Mobilizon.Events.Event do
     :picture_id,
     :physical_address_id
   ]
-  @update_attrs @update_required_attrs ++ @update_optional_attrs
+  @attrs @required_attrs ++ @optional_attrs
+
+  @update_attrs @update_required_attrs ++ @optional_attrs
 
   schema "events" do
     field(:url, :string)
@@ -105,13 +101,15 @@ defmodule Mobilizon.Events.Event do
     field(:phone_address, :string)
     field(:category, :string)
 
-    embeds_one(:options, EventOptions, on_replace: :update)
+    embeds_one(:options, EventOptions, on_replace: :delete)
+    embeds_one(:participant_stats, EventParticipantStats, on_replace: :update)
     belongs_to(:organizer_actor, Actor, foreign_key: :organizer_actor_id)
     belongs_to(:attributed_to, Actor, foreign_key: :attributed_to_id)
-    belongs_to(:physical_address, Address)
+    belongs_to(:physical_address, Address, on_replace: :update)
-    belongs_to(:picture, Picture)
+    belongs_to(:picture, Picture, on_replace: :update)
     has_many(:tracks, Track)
     has_many(:sessions, Session)
+    has_many(:mentions, Mention)
     many_to_many(:tags, Tag, join_through: "events_tags", on_replace: :delete)
     many_to_many(:participants, Actor, join_through: Participant)
 
@@ -119,28 +117,41 @@ defmodule Mobilizon.Events.Event do
   end
 
   @doc false
-  @spec changeset(t, map) :: Ecto.Changeset.t()
+  @spec changeset(t, map) :: Changeset.t()
   def changeset(%__MODULE__{} = event, attrs) do
+    attrs = Map.update(attrs, :uuid, Ecto.UUID.generate(), & &1)
+    attrs = Map.update(attrs, :url, Routes.page_url(Endpoint, :event, attrs.uuid), & &1)
+
     event
     |> cast(attrs, @attrs)
-    |> cast_embed(:options)
+    |> common_changeset(attrs)
+    |> put_creator_if_published(:create)
     |> validate_required(@required_attrs)
     |> validate_lengths()
   end
 
   @doc false
-  @spec update_changeset(t, map) :: Ecto.Changeset.t()
+  @spec update_changeset(t, map) :: Changeset.t()
   def update_changeset(%__MODULE__{} = event, attrs) do
     event
-    |> Ecto.Changeset.cast(attrs, @update_attrs)
+    |> cast(attrs, @update_attrs)
-    |> cast_embed(:options)
+    |> common_changeset(attrs)
-    |> put_tags(attrs)
+    |> put_creator_if_published(:update)
     |> validate_required(@update_required_attrs)
     |> validate_lengths()
   end
 
-  @spec validate_lengths(Ecto.Changeset.t()) :: Ecto.Changeset.t()
+  @spec common_changeset(Changeset.t(), map) :: Changeset.t()
-  defp validate_lengths(%Ecto.Changeset{} = changeset) do
+  defp common_changeset(%Changeset{} = changeset, attrs) do
+    changeset
+    |> cast_embed(:options)
+    |> put_tags(attrs)
+    |> put_address(attrs)
+    |> put_picture(attrs)
+  end
+
+  @spec validate_lengths(Changeset.t()) :: Changeset.t()
+  defp validate_lengths(%Changeset{} = changeset) do
     changeset
     |> validate_length(:title, min: 3, max: 200)
     |> validate_length(:online_address, min: 3, max: 2000)
@@ -161,7 +172,80 @@ defmodule Mobilizon.Events.Event do
 
   def can_be_managed_by(_event, _actor), do: {:event_can_be_managed, false}
 
-  @spec put_tags(Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
+  @spec put_tags(Changeset.t(), map) :: Changeset.t()
-  defp put_tags(changeset, %{"tags" => tags}), do: put_assoc(changeset, :tags, tags)
+  defp put_tags(%Changeset{} = changeset, %{tags: tags}),
-  defp put_tags(changeset, _), do: changeset
+    do: put_assoc(changeset, :tags, Enum.map(tags, &process_tag/1))
+
+  defp put_tags(%Changeset{} = changeset, _), do: changeset
+
+  # We need a changeset instead of a raw struct because of slug which is generated in changeset
+  defp process_tag(tag) do
+    Tag.changeset(%Tag{}, tag)
+  end
+
+  # In case the provided addresses is an existing one
+  @spec put_address(Changeset.t(), map) :: Changeset.t()
+  defp put_address(%Changeset{} = changeset, %{physical_address: %{id: id} = _physical_address}) do
+    case Addresses.get_address!(id) do
+      %Address{} = address ->
+        put_assoc(changeset, :physical_address, address)
+
+      _ ->
+        changeset
+    end
+  end
+
+  # In case it's a new address
+  defp put_address(%Changeset{} = changeset, _attrs) do
+    cast_assoc(changeset, :physical_address)
+  end
+
+  # In case the provided picture is an existing one
+  @spec put_picture(Changeset.t(), map) :: Changeset.t()
+  defp put_picture(%Changeset{} = changeset, %{picture: %{picture_id: id} = _picture}) do
+    case Media.get_picture!(id) do
+      %Picture{} = picture ->
+        put_assoc(changeset, :picture, picture)
+
+      _ ->
+        changeset
+    end
+  end
+
+  # In case it's a new picture
+  defp put_picture(%Changeset{} = changeset, _attrs) do
+    cast_assoc(changeset, :picture)
+  end
+
+  # Created or updated with draft parameter: don't publish
+  defp put_creator_if_published(
+         %Changeset{changes: %{draft: true}} = changeset,
+         _action
+       ) do
+    cast_embed(changeset, :participant_stats)
+  end
+
+  # Created with any other value: publish
+  defp put_creator_if_published(
+         %Changeset{} = changeset,
+         :create
+       ) do
+    changeset
+    |> put_embed(:participant_stats, %{creator: 1})
+  end
+
+  # Updated from draft false to true: publish
+  defp put_creator_if_published(
+         %Changeset{
+           data: %{draft: false},
+           changes: %{draft: true}
+         } = changeset,
+         :update
+       ) do
+    changeset
+    |> put_embed(:participant_stats, %{creator: 1})
+  end
+
+  defp put_creator_if_published(%Changeset{} = changeset, _),
+    do: cast_embed(changeset, :participant_stats)
 end

lib/mobilizon/events/event_participant_stats.ex

@@ -0,0 +1,44 @@
+defmodule Mobilizon.Events.EventParticipantStats do
+  @moduledoc """
+  Participation stats on event
+  """
+
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @type t :: %__MODULE__{
+          not_approved: integer(),
+          rejected: integer(),
+          participant: integer(),
+          moderator: integer(),
+          administrator: integer(),
+          creator: integer()
+        }
+
+  @attrs [
+    :not_approved,
+    :rejected,
+    :participant,
+    :moderator,
+    :administrator,
+    :moderator,
+    :creator
+  ]
+
+  @primary_key false
+  @derive Jason.Encoder
+  embedded_schema do
+    field(:not_approved, :integer, default: 0)
+    field(:rejected, :integer, default: 0)
+    field(:participant, :integer, default: 0)
+    field(:moderator, :integer, default: 0)
+    field(:administrator, :integer, default: 0)
+    field(:creator, :integer, default: 0)
+  end
+
+  @doc false
+  @spec changeset(t, map) :: Ecto.Changeset.t()
+  def changeset(%__MODULE__{} = event_options, attrs) do
+    cast(event_options, attrs, @attrs)
+  end
+end

lib/mobilizon/events/events.ex

@@ -7,6 +7,7 @@ defmodule Mobilizon.Events do
 
   import Ecto.Query
   import EctoEnum
+  alias Ecto.{Multi, Changeset}
 
   import Mobilizon.Storage.Ecto
 
@@ -17,6 +18,7 @@ defmodule Mobilizon.Events do
   alias Mobilizon.Events.{
     Comment,
     Event,
+    EventParticipantStats,
     FeedToken,
     Participant,
     Session,
@@ -82,6 +84,8 @@ defmodule Mobilizon.Events do
 
   @event_preloads [
     :organizer_actor,
+    :attributed_to,
+    :mentions,
     :sessions,
     :tracks,
     :tags,
@@ -90,7 +94,7 @@ defmodule Mobilizon.Events do
     :picture
   ]
 
-  @comment_preloads [:actor, :attributed_to, :in_reply_to_comment]
+  @comment_preloads [:actor, :attributed_to, :in_reply_to_comment, :tags, :mentions]
 
   @doc """
   Gets a single event.
@@ -235,81 +239,103 @@ defmodule Mobilizon.Events do
     |> Repo.one()
   end
 
+  def get_or_create_event(%{"url" => url} = attrs) do
+    case Repo.get_by(Event, url: url) do
+      %Event{} = event -> {:ok, Repo.preload(event, @event_preloads)}
+      nil -> create_event(attrs)
+    end
+  end
+
   @doc """
   Creates an event.
   """
-  @spec create_event(map) :: {:ok, Event.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_event(map) :: {:ok, Event.t()} | {:error, Changeset.t()}
   def create_event(attrs \\ %{}) do
-    with {:ok, %Event{draft: false} = event} <- do_create_event(attrs),
+    with {:ok, %{insert: %Event{} = event}} <- do_create_event(attrs),
-         {:ok, %Participant{} = _participant} <-
+         %Event{} = event <- Repo.preload(event, @event_preloads) do
-           create_participant(%{
-             actor_id: event.organizer_actor_id,
-             role: :creator,
-             event_id: event.id
-           }) do
       Task.start(fn -> Search.insert_search_event(event) end)
       {:ok, event}
     else
-      # We don't create a creator participant if the event is a draft
-      {:ok, %Event{draft: true} = event} -> {:ok, event}
       err -> err
     end
   end
 
-  @spec do_create_event(map) :: {:ok, Event.t()} | {:error, Ecto.Changeset.t()}
+  # We start by inserting the event and then insert a first participant if the event is not a draft
+  @spec do_create_event(map) :: {:ok, Event.t()} | {:error, Changeset.t()}
   defp do_create_event(attrs) do
-    with {:ok, %Event{} = event} <-
+    Multi.new()
-           %Event{}
+    |> Multi.insert(:insert, Event.changeset(%Event{}, attrs))
-           |> Event.changeset(attrs)
+    |> Multi.run(:write, fn _repo, %{insert: %Event{draft: draft} = event} ->
-           |> Ecto.Changeset.put_assoc(:tags, Map.get(attrs, "tags", []))
+      with {:is_draft, false} <- {:is_draft, draft},
-           |> Repo.insert(),
+           {:ok, %Participant{} = participant} <-
-         %Event{} = event <-
+             create_participant(
-           Repo.preload(event, [:tags, :organizer_actor, :physical_address, :picture]) do
+               %{
-      {:ok, event}
+                 event_id: event.id,
-    end
+                 role: :creator,
+                 actor_id: event.organizer_actor_id
+               },
+               false
+             ) do
+        {:ok, participant}
+      else
+        {:is_draft, true} -> {:ok, nil}
+        err -> err
+      end
+    end)
+    |> Repo.transaction()
   end
 
   @doc """
   Updates an event.
+
+  We start by updating the event and then insert a first participant if the event is not a draft anymore
   """
-  @spec update_event(Event.t(), map) :: {:ok, Event.t()} | {:error, Ecto.Changeset.t()}
+  @spec update_event(Event.t(), map) :: {:ok, Event.t()} | {:error, Changeset.t()}
-  def update_event(
+  def update_event(%Event{} = old_event, attrs) do
-        %Event{draft: old_draft_status, id: event_id, organizer_actor_id: organizer_actor_id} =
+    with %Changeset{changes: changes} = changeset <-
-          old_event,
+           Event.update_changeset(Repo.preload(old_event, :tags), attrs),
-        attrs
+         {:ok, %{update: %Event{} = new_event}} <-
-      ) do
+           Multi.new()
-    with %Ecto.Changeset{changes: changes} = changeset <-
+           |> Multi.update(
-           old_event |> Repo.preload(:tags) |> Event.update_changeset(attrs) do
+             :update,
-      with {:ok, %Event{draft: new_draft_status} = new_event} <- Repo.update(changeset) do
+             changeset
-        # If the event is no longer a draft
+           )
-        if old_draft_status == true && new_draft_status == false do
+           |> Multi.run(:write, fn _repo, %{update: %Event{draft: draft} = event} ->
-          {:ok, %Participant{} = _participant} =
+             with {:is_draft, false} <- {:is_draft, draft},
-            create_participant(%{
+                  {:ok, %Participant{} = participant} <-
-              event_id: event_id,
+                    create_participant(
-              role: :creator,
+                      %{
-              actor_id: organizer_actor_id
+                        event_id: event.id,
-            })
+                        role: :creator,
-        end
+                        actor_id: event.organizer_actor_id
+                      },
+                      false
+                    ) do
+               {:ok, participant}
+             else
+               {:is_draft, true} -> {:ok, nil}
+               err -> err
+             end
+           end)
+           |> Repo.transaction() do
+      Cachex.del(:ics, "event_#{new_event.uuid}")
 
-        Cachex.del(:ics, "event_#{new_event.uuid}")
+      Mobilizon.Service.Events.Tool.calculate_event_diff_and_send_notifications(
+        old_event,
+        new_event,
+        changes
+      )
 
-        Mobilizon.Service.Events.Tool.calculate_event_diff_and_send_notifications(
+      Task.start(fn -> Search.update_search_event(new_event) end)
-          old_event,
-          new_event,
-          changes
-        )
 
-        Task.start(fn -> Search.update_search_event(new_event) end)
+      {:ok, Repo.preload(new_event, @event_preloads)}
-
-        {:ok, new_event}
-      end
     end
   end
 
   @doc """
   Deletes an event.
   """
-  @spec delete_event(Event.t()) :: {:ok, Event.t()} | {:error, Ecto.Changeset.t()}
+  @spec delete_event(Event.t()) :: {:ok, Event.t()} | {:error, Changeset.t()}
   def delete_event(%Event{} = event), do: Repo.delete(event)
 
   @doc """
@@ -450,7 +476,7 @@ defmodule Mobilizon.Events do
   @doc """
   Gets an existing tag or creates the new one.
   """
-  @spec get_or_create_tag(map) :: {:ok, Tag.t()} | {:error, Ecto.Changeset.t()}
+  @spec get_or_create_tag(map) :: {:ok, Tag.t()} | {:error, Changeset.t()}
   def get_or_create_tag(%{"name" => "#" <> title}) do
     case Repo.get_by(Tag, title: title) do
       %Tag{} = tag ->
@@ -461,10 +487,24 @@ defmodule Mobilizon.Events do
     end
   end
 
+  @doc """
+  Gets an existing tag or creates the new one.
+  """
+  @spec get_or_create_tag(String.t()) :: {:ok, Tag.t()} | {:error, Changeset.t()}
+  def get_or_create_tag(title) do
+    case Repo.get_by(Tag, title: title) do
+      %Tag{} = tag ->
+        {:ok, tag}
+
+      nil ->
+        create_tag(%{"title" => title})
+    end
+  end
+
   @doc """
   Creates a tag.
   """
-  @spec create_tag(map) :: {:ok, Tag.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_tag(map) :: {:ok, Tag.t()} | {:error, Changeset.t()}
   def create_tag(attrs \\ %{}) do
     %Tag{}
     |> Tag.changeset(attrs)
@@ -474,7 +514,7 @@ defmodule Mobilizon.Events do
   @doc """
   Updates a tag.
   """
-  @spec update_tag(Tag.t(), map) :: {:ok, Tag.t()} | {:error, Ecto.Changeset.t()}
+  @spec update_tag(Tag.t(), map) :: {:ok, Tag.t()} | {:error, Changeset.t()}
   def update_tag(%Tag{} = tag, attrs) do
     tag
     |> Tag.changeset(attrs)
@@ -484,7 +524,7 @@ defmodule Mobilizon.Events do
   @doc """
   Deletes a tag.
   """
-  @spec delete_tag(Tag.t()) :: {:ok, Tag.t()} | {:error, Ecto.Changeset.t()}
+  @spec delete_tag(Tag.t()) :: {:ok, Tag.t()} | {:error, Changeset.t()}
   def delete_tag(%Tag{} = tag), do: Repo.delete(tag)
 
   @doc """
@@ -524,7 +564,7 @@ defmodule Mobilizon.Events do
   @doc """
   Creates a relation between two tags.
   """
-  @spec create_tag_relation(map) :: {:ok, TagRelation.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_tag_relation(map) :: {:ok, TagRelation.t()} | {:error, Changeset.t()}
   def create_tag_relation(attrs \\ {}) do
     %TagRelation{}
     |> TagRelation.changeset(attrs)
@@ -538,7 +578,7 @@ defmodule Mobilizon.Events do
   Removes a tag relation.
   """
   @spec delete_tag_relation(TagRelation.t()) ::
-          {:ok, TagRelation.t()} | {:error, Ecto.Changeset.t()}
+          {:ok, TagRelation.t()} | {:error, Changeset.t()}
   def delete_tag_relation(%TagRelation{} = tag_relation) do
     Repo.delete(tag_relation)
   end
@@ -763,7 +803,7 @@ defmodule Mobilizon.Events do
   end
 
   @doc """
-  Counts participant participants.
+  Counts participant participants (participants with no extra role)
   """
   @spec count_participant_participants(integer | String.t()) :: integer
   def count_participant_participants(event_id) do
@@ -773,17 +813,6 @@ defmodule Mobilizon.Events do
     |> Repo.aggregate(:count, :id)
   end
 
-  @doc """
-  Counts unapproved participants.
-  """
-  @spec count_unapproved_participants(integer | String.t()) :: integer
-  def count_unapproved_participants(event_id) do
-    event_id
-    |> count_participants_query()
-    |> filter_unapproved_role()
-    |> Repo.aggregate(:count, :id)
-  end
-
   @doc """
   Counts rejected participants.
   """
@@ -805,12 +834,40 @@ defmodule Mobilizon.Events do
   @doc """
   Creates a participant.
   """
-  @spec create_participant(map) :: {:ok, Participant.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_participant(map) :: {:ok, Participant.t()} | {:error, Changeset.t()}
-  def create_participant(attrs \\ %{}) do
+  def create_participant(attrs \\ %{}, update_event_participation_stats \\ true) do
-    with {:ok, %Participant{} = participant} <-
+    with {:ok, %{participant: %Participant{} = participant}} <-
-           %Participant{}
+           Multi.new()
-           |> Participant.changeset(attrs)
+           |> Multi.insert(:participant, Participant.changeset(%Participant{}, attrs))
-           |> Repo.insert() do
+           |> Multi.run(:update_event_participation_stats, fn _repo,
+                                                              %{
+                                                                participant:
+                                                                  %Participant{
+                                                                    role: role,
+                                                                    event_id: event_id
+                                                                  } = _participant
+                                                              } ->
+             with {:update_event_participation_stats, true} <-
+                    {:update_event_participation_stats, update_event_participation_stats},
+                  {:ok, %Event{} = event} <- get_event(event_id),
+                  %EventParticipantStats{} = participant_stats <-
+                    Map.get(event, :participant_stats),
+                  %EventParticipantStats{} = participant_stats <-
+                    Map.update(participant_stats, role, 0, &(&1 + 1)),
+                  {:ok, %Event{} = event} <-
+                    event
+                    |> Event.update_changeset(%{
+                      participant_stats: Map.from_struct(participant_stats)
+                    })
+                    |> Repo.update() do
+               {:ok, event}
+             else
+               {:update_event_participation_stats, false} -> {:ok, nil}
+               {:error, :event_not_found} -> {:error, :event_not_found}
+               err -> {:error, err}
+             end
+           end)
+           |> Repo.transaction() do
       {:ok, Repo.preload(participant, [:event, :actor])}
     end
   end
@@ -819,7 +876,7 @@ defmodule Mobilizon.Events do
   Updates a participant.
   """
   @spec update_participant(Participant.t(), map) ::
-          {:ok, Participant.t()} | {:error, Ecto.Changeset.t()}
+          {:ok, Participant.t()} | {:error, Changeset.t()}
   def update_participant(%Participant{} = participant, attrs) do
     participant
     |> Participant.changeset(attrs)
@@ -830,7 +887,7 @@ defmodule Mobilizon.Events do
   Deletes a participant.
   """
   @spec delete_participant(Participant.t()) ::
-          {:ok, Participant.t()} | {:error, Ecto.Changeset.t()}
+          {:ok, Participant.t()} | {:error, Changeset.t()}
   def delete_participant(%Participant{} = participant), do: Repo.delete(participant)
 
   @doc """
@@ -843,7 +900,7 @@ defmodule Mobilizon.Events do
   @doc """
   Creates a session.
   """
-  @spec create_session(map) :: {:ok, Session.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_session(map) :: {:ok, Session.t()} | {:error, Changeset.t()}
   def create_session(attrs \\ %{}) do
     %Session{}
     |> Session.changeset(attrs)
@@ -853,7 +910,7 @@ defmodule Mobilizon.Events do
   @doc """
   Updates a session.
   """
-  @spec update_session(Session.t(), map) :: {:ok, Session.t()} | {:error, Ecto.Changeset.t()}
+  @spec update_session(Session.t(), map) :: {:ok, Session.t()} | {:error, Changeset.t()}
   def update_session(%Session{} = session, attrs) do
     session
     |> Session.changeset(attrs)
@@ -863,7 +920,7 @@ defmodule Mobilizon.Events do
   @doc """
   Deletes a session.
   """
-  @spec delete_session(Session.t()) :: {:ok, Session.t()} | {:error, Ecto.Changeset.t()}
+  @spec delete_session(Session.t()) :: {:ok, Session.t()} | {:error, Changeset.t()}
   def delete_session(%Session{} = session), do: Repo.delete(session)
 
   @doc """
@@ -892,7 +949,7 @@ defmodule Mobilizon.Events do
   @doc """
   Creates a track.
   """
-  @spec create_track(map) :: {:ok, Track.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_track(map) :: {:ok, Track.t()} | {:error, Changeset.t()}
   def create_track(attrs \\ %{}) do
     %Track{}
     |> Track.changeset(attrs)
@@ -902,7 +959,7 @@ defmodule Mobilizon.Events do
   @doc """
   Updates a track.
   """
-  @spec update_track(Track.t(), map) :: {:ok, Track.t()} | {:error, Ecto.Changeset.t()}
+  @spec update_track(Track.t(), map) :: {:ok, Track.t()} | {:error, Changeset.t()}
   def update_track(%Track{} = track, attrs) do
     track
     |> Track.changeset(attrs)
@@ -912,7 +969,7 @@ defmodule Mobilizon.Events do
   @doc """
   Deletes a track.
   """
-  @spec delete_track(Track.t()) :: {:ok, Track.t()} | {:error, Ecto.Changeset.t()}
+  @spec delete_track(Track.t()) :: {:ok, Track.t()} | {:error, Changeset.t()}
   def delete_track(%Track{} = track), do: Repo.delete(track)
 
   @doc """
@@ -931,6 +988,13 @@ defmodule Mobilizon.Events do
     |> Repo.all()
   end
 
+  @doc """
+  Gets a single comment.
+  """
+  @spec get_comment(integer | String.t()) :: Comment.t()
+  def get_comment(nil), do: nil
+  def get_comment(id), do: Repo.get(Comment, id)
+
   @doc """
   Gets a single comment.
   Raises `Ecto.NoResultsError` if the comment does not exist.
@@ -994,10 +1058,17 @@ defmodule Mobilizon.Events do
     |> Repo.preload(@comment_preloads)
   end
 
+  def get_or_create_comment(%{"url" => url} = attrs) do
+    case Repo.get_by(Comment, url: url) do
+      %Comment{} = comment -> {:ok, Repo.preload(comment, @comment_preloads)}
+      nil -> create_comment(attrs)
+    end
+  end
+
   @doc """
   Creates a comment.
   """
-  @spec create_comment(map) :: {:ok, Comment.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_comment(map) :: {:ok, Comment.t()} | {:error, Changeset.t()}
   def create_comment(attrs \\ %{}) do
     with {:ok, %Comment{} = comment} <-
            %Comment{}
@@ -1011,7 +1082,7 @@ defmodule Mobilizon.Events do
   @doc """
   Updates a comment.
   """
-  @spec update_comment(Comment.t(), map) :: {:ok, Comment.t()} | {:error, Ecto.Changeset.t()}
+  @spec update_comment(Comment.t(), map) :: {:ok, Comment.t()} | {:error, Changeset.t()}
   def update_comment(%Comment{} = comment, attrs) do
     comment
     |> Comment.changeset(attrs)
@@ -1021,7 +1092,7 @@ defmodule Mobilizon.Events do
   @doc """
   Deletes a comment.
   """
-  @spec delete_comment(Comment.t()) :: {:ok, Comment.t()} | {:error, Ecto.Changeset.t()}
+  @spec delete_comment(Comment.t()) :: {:ok, Comment.t()} | {:error, Changeset.t()}
   def delete_comment(%Comment{} = comment), do: Repo.delete(comment)
 
   @doc """
@@ -1097,7 +1168,7 @@ defmodule Mobilizon.Events do
   @doc """
   Creates a feed token.
   """
-  @spec create_feed_token(map) :: {:ok, FeedToken.t()} | {:error, Ecto.Changeset.t()}
+  @spec create_feed_token(map) :: {:ok, FeedToken.t()} | {:error, Changeset.t()}
   def create_feed_token(attrs \\ %{}) do
     attrs = Map.put(attrs, "token", Ecto.UUID.generate())
 
@@ -1110,7 +1181,7 @@ defmodule Mobilizon.Events do
   Updates a feed token.
   """
   @spec update_feed_token(FeedToken.t(), map) ::
-          {:ok, FeedToken.t()} | {:error, Ecto.Changeset.t()}
+          {:ok, FeedToken.t()} | {:error, Changeset.t()}
   def update_feed_token(%FeedToken{} = feed_token, attrs) do
     feed_token
     |> FeedToken.changeset(attrs)
@@ -1120,7 +1191,7 @@ defmodule Mobilizon.Events do
   @doc """
   Deletes a feed token.
   """
-  @spec delete_feed_token(FeedToken.t()) :: {:ok, FeedToken.t()} | {:error, Ecto.Changeset.t()}
+  @spec delete_feed_token(FeedToken.t()) :: {:ok, FeedToken.t()} | {:error, Changeset.t()}
   def delete_feed_token(%FeedToken{} = feed_token), do: Repo.delete(feed_token)
 
   @doc """
@@ -1354,7 +1425,7 @@ defmodule Mobilizon.Events do
   end
 
   @spec count_participants_query(integer) :: Ecto.Query.t()
-  defp count_participants_query(event_id) do
+  def count_participants_query(event_id) do
     from(p in Participant, where: p.event_id == ^event_id)
   end
 
@@ -1385,17 +1456,10 @@ defmodule Mobilizon.Events do
   end
 
   defp public_comments_for_actor_query(actor_id) do
-    from(
+    Comment
-      c in Comment,
+    |> where([c], c.actor_id == ^actor_id and c.visibility in ^@public_visibility)
-      where: c.actor_id == ^actor_id and c.visibility in ^@public_visibility,
+    |> order_by([c], desc: :id)
-      order_by: [desc: :id],
+    |> preload_for_comment()
-      preload: [
-        :actor,
-        :in_reply_to_comment,
-        :origin_comment,
-        :event
-      ]
-    )
   end
 
   @spec list_participants_for_event_query(String.t()) :: Ecto.Query.t()
@@ -1498,31 +1562,30 @@ defmodule Mobilizon.Events do
 
   @spec filter_approved_role(Ecto.Query.t()) :: Ecto.Query.t()
   defp filter_approved_role(query) do
-    from(p in query, where: p.role not in ^[:not_approved, :rejected])
+    filter_role(query, [:not_approved, :rejected])
   end
 
   @spec filter_participant_role(Ecto.Query.t()) :: Ecto.Query.t()
   defp filter_participant_role(query) do
-    from(p in query, where: p.role == ^:participant)
+    filter_role(query, :participant)
-  end
-
-  @spec filter_unapproved_role(Ecto.Query.t()) :: Ecto.Query.t()
-  defp filter_unapproved_role(query) do
-    from(p in query, where: p.role == ^:not_approved)
   end
 
   @spec filter_rejected_role(Ecto.Query.t()) :: Ecto.Query.t()
   defp filter_rejected_role(query) do
-    from(p in query, where: p.role == ^:rejected)
+    filter_role(query, :rejected)
   end
 
   @spec filter_role(Ecto.Query.t(), list(atom())) :: Ecto.Query.t()
-  defp filter_role(query, []), do: query
+  def filter_role(query, []), do: query
 
-  defp filter_role(query, roles) do
+  def filter_role(query, roles) when is_list(roles) do
     where(query, [p], p.role in ^roles)
   end
 
+  def filter_role(query, role) when is_atom(role) do
+    from(p in query, where: p.role == ^role)
+  end
+
   defp participation_filter_begins_on(query, nil, nil),
     do: participation_order_begins_on_desc(query)
 

lib/mobilizon/mentions/mention.ex

@@ -0,0 +1,53 @@
+defmodule Mobilizon.Mention do
+  @moduledoc """
+  The Mentions context.
+  """
+
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Events.Event
+  alias Mobilizon.Events.Comment
+  alias Mobilizon.Storage.Repo
+
+  @type t :: %__MODULE__{
+          silent: boolean,
+          actor: Actor.t(),
+          event: Event.t(),
+          comment: Comment.t()
+        }
+
+  @required_attrs [:actor_id]
+  @optional_attrs [:silent, :event_id, :comment_id]
+  @attrs @required_attrs ++ @optional_attrs
+
+  schema "mentions" do
+    field(:silent, :boolean, default: false)
+    belongs_to(:actor, Actor)
+    belongs_to(:event, Event)
+    belongs_to(:comment, Comment)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(event, attrs) do
+    event
+    |> cast(attrs, @attrs)
+    # TODO: Enforce having either event_id or comment_id
+    |> validate_required(@required_attrs)
+  end
+
+  @doc """
+  Creates a new mention
+  """
+  @spec create_mention(map()) :: {:ok, t} | {:error, Ecto.Changeset.t()}
+  def create_mention(args) do
+    with {:ok, %__MODULE__{} = mention} <-
+           %__MODULE__{}
+           |> changeset(args)
+           |> Repo.insert() do
+      {:ok, Repo.preload(mention, [:actor, :event, :comment])}
+    end
+  end
+end

lib/mobilizon_web/api/comments.ex

@@ -2,55 +2,18 @@ defmodule MobilizonWeb.API.Comments do
   @moduledoc """
   API for Comments.
   """
-
-  alias Mobilizon.Actors
-  alias Mobilizon.Actors.Actor
   alias Mobilizon.Events.Comment
   alias Mobilizon.Service.ActivityPub
-  alias Mobilizon.Service.ActivityPub.Utils, as: ActivityPubUtils
+  alias Mobilizon.Service.ActivityPub.Activity
-
-  alias MobilizonWeb.API.Utils
 
   @doc """
   Create a comment
 
   Creates a comment from an actor and a status
   """
-  @spec create_comment(String.t(), String.t(), String.t()) ::
+  @spec create_comment(map()) ::
           {:ok, Activity.t(), Comment.t()} | any()
-  def create_comment(
+  def create_comment(args) do
-        from_username,
+    ActivityPub.create(:comment, args, true)
-        status,
-        visibility \\ :public,
-        in_reply_to_comment_URL \\ nil
-      ) do
-    with {:local_actor, %Actor{url: url} = actor} <-
-           {:local_actor, Actors.get_local_actor_by_name(from_username)},
-         in_reply_to_comment <- get_in_reply_to_comment(in_reply_to_comment_URL),
-         {content_html, tags, to, cc} <-
-           Utils.prepare_content(actor, status, visibility, [], in_reply_to_comment),
-         comment <-
-           ActivityPubUtils.make_comment_data(
-             url,
-             to,
-             content_html,
-             in_reply_to_comment,
-             tags,
-             cc
-           ) do
-      ActivityPub.create(%{
-        to: to,
-        actor: actor,
-        object: comment,
-        local: true
-      })
-    end
-  end
-
-  @spec get_in_reply_to_comment(nil) :: nil
-  defp get_in_reply_to_comment(nil), do: nil
-  @spec get_in_reply_to_comment(String.t()) :: Comment.t()
-  defp get_in_reply_to_comment(in_reply_to_comment_url) do
-    ActivityPub.fetch_object_from_url(in_reply_to_comment_url)
   end
 end

lib/mobilizon_web/api/events.ex

@@ -3,37 +3,24 @@ defmodule MobilizonWeb.API.Events do
   API for Events.
   """
 
-  alias Mobilizon.Events.Event
   alias Mobilizon.Actors.Actor
+  alias Mobilizon.Events.Event
   alias Mobilizon.Service.ActivityPub
   alias Mobilizon.Service.ActivityPub.Activity
-  alias Mobilizon.Service.ActivityPub.Utils, as: ActivityPubUtils
+  alias Mobilizon.Service.ActivityPub.Utils
-
-  alias MobilizonWeb.API.Utils
 
   @doc """
   Create an event
   """
   @spec create_event(map()) :: {:ok, Activity.t(), Event.t()} | any()
-  def create_event(%{organizer_actor: organizer_actor} = args) do
+  def create_event(args) do
-    with args <- prepare_args(args),
+    with organizer_actor <- Map.get(args, :organizer_actor),
-         event <-
+         args <-
-           ActivityPubUtils.make_event_data(
+           Map.update(args, :picture, nil, fn picture ->
-             args.organizer_actor.url,
+             process_picture(picture, organizer_actor)
-             %{to: args.to, cc: args.cc},
+           end) do
-             args.title,
+      # For now we don't federate drafts but it will be needed if we want to edit them as groups
-             args.content_html,
+      ActivityPub.create(:event, args, args.draft == false)
-             args.picture,
-             args.tags,
-             args.metadata
-           ) do
-      ActivityPub.create(%{
-        to: args.to,
-        actor: organizer_actor,
-        object: event,
-        # For now we don't federate drafts but it will be needed if we want to edit them as groups
-        local: args.metadata.draft == false
-      })
     end
   end
 
@@ -41,65 +28,13 @@ defmodule MobilizonWeb.API.Events do
   Update an event
   """
   @spec update_event(map(), Event.t()) :: {:ok, Activity.t(), Event.t()} | any()
-  def update_event(
+  def update_event(args, %Event{} = event) do
-        %{
+    with organizer_actor <- Map.get(args, :organizer_actor),
-          organizer_actor: organizer_actor
+         args <-
-        } = args,
+           Map.update(args, :picture, nil, fn picture ->
-        %Event{} = event
+             process_picture(picture, organizer_actor)
-      ) do
+           end) do
-    with args <- Map.put(args, :tags, Map.get(args, :tags, [])),
+      ActivityPub.update(:event, event, args, Map.get(args, :draft, false) == false)
-         args <- prepare_args(Map.merge(event, args)),
-         event <-
-           ActivityPubUtils.make_event_data(
-             args.organizer_actor.url,
-             %{to: args.to, cc: args.cc},
-             args.title,
-             args.content_html,
-             args.picture,
-             args.tags,
-             args.metadata,
-             event.uuid,
-             event.url
-           ) do
-      ActivityPub.update(%{
-        to: args.to,
-        actor: organizer_actor.url,
-        cc: [],
-        object: event,
-        local: args.metadata.draft == false
-      })
-    end
-  end
-
-  defp prepare_args(args) do
-    with %Actor{} = organizer_actor <- Map.get(args, :organizer_actor),
-         title <- args |> Map.get(:title, "") |> HtmlSanitizeEx.strip_tags() |> String.trim(),
-         visibility <- Map.get(args, :visibility, :public),
-         description <- Map.get(args, :description),
-         tags <- Map.get(args, :tags),
-         {content_html, tags, to, cc} <-
-           Utils.prepare_content(organizer_actor, description, visibility, tags, nil) do
-      %{
-        title: title,
-        content_html: content_html,
-        picture: Map.get(args, :picture),
-        tags: tags,
-        organizer_actor: organizer_actor,
-        to: to,
-        cc: cc,
-        metadata: %{
-          begins_on: Map.get(args, :begins_on),
-          ends_on: Map.get(args, :ends_on),
-          physical_address: Map.get(args, :physical_address),
-          category: Map.get(args, :category),
-          options: Map.get(args, :options),
-          join_options: Map.get(args, :join_options),
-          status: Map.get(args, :status),
-          online_address: Map.get(args, :online_address),
-          phone_address: Map.get(args, :phone_address),
-          draft: Map.get(args, :draft)
-        }
-      }
     end
   end
 
@@ -111,4 +46,15 @@ defmodule MobilizonWeb.API.Events do
   def delete_event(%Event{} = event, federate \\ true) do
     ActivityPub.delete(event, federate)
   end
+
+  defp process_picture(nil, _), do: nil
+  defp process_picture(%{picture_id: _picture_id} = args, _), do: args
+
+  defp process_picture(%{picture: picture}, %Actor{id: actor_id}) do
+    %{
+      file:
+        picture |> Map.get(:file) |> Utils.make_picture_data(description: Map.get(picture, :name)),
+      actor_id: actor_id
+    }
+  end
 end

lib/mobilizon_web/api/follows.ex

@@ -6,6 +6,7 @@ defmodule MobilizonWeb.API.Follows do
   alias Mobilizon.Actors
   alias Mobilizon.Actors.{Actor, Follower}
   alias Mobilizon.Service.ActivityPub
+  alias Mobilizon.Service.ActivityPub.Activity
 
   require Logger
 
@@ -32,17 +33,14 @@ defmodule MobilizonWeb.API.Follows do
   end
 
   def accept(%Actor{} = follower, %Actor{} = followed) do
-    with %Follower{approved: false, id: follow_id, url: follow_url} = follow <-
+    with %Follower{approved: false} = follow <-
            Actors.is_following(follower, followed),
-         activity_follow_url <- "#{MobilizonWeb.Endpoint.url()}/accept/follow/#{follow_id}",
+         {:ok, %Activity{} = activity, %Follower{approved: true}} <-
-         data <-
-           ActivityPub.Utils.make_follow_data(followed, follower, follow_url),
-         {:ok, activity, _} <-
            ActivityPub.accept(
-             %{to: [follower.url], actor: followed.url, object: data},
+             :follow,
-             activity_follow_url
+             follow,
-           ),
+             %{approved: true}
-         {:ok, %Follower{approved: true}} <- Actors.update_follower(follow, %{"approved" => true}) do
+           ) do
       {:ok, activity}
     else
       %Follower{approved: true} ->

lib/mobilizon_web/api/groups.ex

@@ -6,38 +6,19 @@ defmodule MobilizonWeb.API.Groups do
   alias Mobilizon.Actors
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Service.ActivityPub
-  alias Mobilizon.Service.ActivityPub.Utils, as: ActivityPubUtils
+  alias Mobilizon.Service.ActivityPub.Activity
-  alias Mobilizon.Users.User
-
-  alias MobilizonWeb.API.Utils
 
   @doc """
   Create a group
   """
-  @spec create_group(User.t(), map()) :: {:ok, Activity.t(), Group.t()} | any()
+  @spec create_group(map()) :: {:ok, Activity.t(), Actor.t()} | any()
-  def create_group(
+  def create_group(args) do
-        user,
+    with preferred_username <-
-        %{
+           args |> Map.get(:preferred_username) |> HtmlSanitizeEx.strip_tags() |> String.trim(),
-          preferred_username: title,
+         {:existing_group, nil} <-
-          summary: summary,
+           {:existing_group, Actors.get_local_group_by_title(preferred_username)},
-          creator_actor_id: creator_actor_id,
+         {:ok, %Activity{} = activity, %Actor{} = group} <- ActivityPub.create(:group, args, true) do
-          avatar: _avatar,
+      {:ok, activity, group}
-          banner: _banner
-        } = args
-      ) do
-    with {:is_owned, %Actor{} = actor} <- User.owns_actor(user, creator_actor_id),
-         title <- String.trim(title),
-         {:existing_group, nil} <- {:existing_group, Actors.get_group_by_title(title)},
-         visibility <- Map.get(args, :visibility, :public),
-         {content_html, tags, to, cc} <-
-           Utils.prepare_content(actor, summary, visibility, [], nil),
-         group <- ActivityPubUtils.make_group_data(actor.url, to, title, content_html, tags, cc) do
-      ActivityPub.create(%{
-        to: ["https://www.w3.org/ns/activitystreams#Public"],
-        actor: actor,
-        object: group,
-        local: true
-      })
     else
       {:existing_group, _} ->
         {:error, "A group with this name already exists"}

lib/mobilizon_web/api/participations.ex

@@ -38,12 +38,11 @@ defmodule MobilizonWeb.API.Participations do
        ) do
     with {:ok, activity, _} <-
            ActivityPub.accept(
-             %{
+             :join,
-               to: [participation.actor.url],
+             participation,
-               actor: moderator.url,
+             %{role: :participant},
-               object: participation.url
+             true,
-             },
+             %{"to" => [moderator.url]}
-             "#{MobilizonWeb.Endpoint.url()}/accept/join/#{participation.id}"
            ),
          {:ok, %Participant{role: :participant} = participation} <-
            Events.update_participant(participation, %{"role" => :participant}),

lib/mobilizon_web/api/utils.ex

@@ -3,89 +3,9 @@ defmodule MobilizonWeb.API.Utils do
   Utils for API.
   """
 
-  alias Mobilizon.Actors.Actor
   alias Mobilizon.Config
   alias Mobilizon.Service.Formatter
 
-  @ap_public "https://www.w3.org/ns/activitystreams#Public"
-
-  @doc """
-  Determines the full audience based on mentions for a public audience
-
-  Audience is:
-    * `to` : the mentioned actors, the eventual actor we're replying to and the public
-    * `cc` : the actor's followers
-  """
-  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
-  def get_to_and_cc(%Actor{} = actor, mentions, inReplyTo, :public) do
-    to = [@ap_public | mentions]
-    cc = [actor.followers_url]
-
-    if inReplyTo do
-      {Enum.uniq([inReplyTo.actor | to]), cc}
-    else
-      {to, cc}
-    end
-  end
-
-  @doc """
-  Determines the full audience based on mentions based on a unlisted audience
-
-  Audience is:
-    * `to` : the mentionned actors, actor's followers and the eventual actor we're replying to
-    * `cc` : public
-  """
-  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
-  def get_to_and_cc(%Actor{} = actor, mentions, inReplyTo, :unlisted) do
-    to = [actor.followers_url | mentions]
-    cc = [@ap_public]
-
-    if inReplyTo do
-      {Enum.uniq([inReplyTo.actor | to]), cc}
-    else
-      {to, cc}
-    end
-  end
-
-  @doc """
-  Determines the full audience based on mentions based on a private audience
-
-  Audience is:
-    * `to` : the mentioned actors, actor's followers and the eventual actor we're replying to
-    * `cc` : none
-  """
-  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
-  def get_to_and_cc(%Actor{} = actor, mentions, inReplyTo, :private) do
-    {to, cc} = get_to_and_cc(actor, mentions, inReplyTo, :direct)
-    {[actor.followers_url | to], cc}
-  end
-
-  @doc """
-  Determines the full audience based on mentions based on a direct audience
-
-  Audience is:
-    * `to` : the mentioned actors and the eventual actor we're replying to
-    * `cc` : none
-  """
-  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
-  def get_to_and_cc(_actor, mentions, inReplyTo, :direct) do
-    if inReplyTo do
-      {Enum.uniq([inReplyTo.actor | mentions]), []}
-    else
-      {mentions, []}
-    end
-  end
-
-  def get_to_and_cc(_actor, mentions, _inReplyTo, {:list, _}) do
-    {mentions, []}
-  end
-
-  #  def get_addressed_users(_, to) when is_list(to) do
-  #    Actors.get(to)
-  #  end
-
-  def get_addressed_users(mentioned_users, _), do: mentioned_users
-
   @doc """
   Creates HTML content from text and mentions
   """
@@ -126,19 +46,4 @@ defmodule MobilizonWeb.API.Utils do
       {:error, "Comment must be up to #{max_size} characters"}
     end
   end
-
-  def prepare_content(actor, content, visibility, tags, in_reply_to) do
-    with content <- String.trim(content || ""),
-         {content_html, mentions, tags} <-
-           make_content_html(
-             content,
-             tags,
-             "text/html"
-           ),
-         mentioned_users <- for({_, mentioned_user} <- mentions, do: mentioned_user.url),
-         addressed_users <- get_addressed_users(mentioned_users, nil),
-         {to, cc} <- get_to_and_cc(actor, addressed_users, in_reply_to, visibility) do
-      {content_html, tags, to, cc}
-    end
-  end
 end

lib/mobilizon_web/resolvers/comment.ex

@@ -4,19 +4,19 @@ defmodule MobilizonWeb.Resolvers.Comment do
   """
 
   alias Mobilizon.Events.Comment
-  alias Mobilizon.Service.ActivityPub.Activity
   alias Mobilizon.Users.User
+  alias Mobilizon.Actors.Actor
 
   alias MobilizonWeb.API.Comments
 
   require Logger
 
-  def create_comment(_parent, %{text: comment, actor_username: username}, %{
+  def create_comment(_parent, %{text: text, actor_id: actor_id}, %{
-        context: %{current_user: %User{} = _user}
+        context: %{current_user: %User{} = user}
       }) do
-    with {:ok, %Activity{data: %{"object" => %{"type" => "Note"} = _object}},
+    with {:is_owned, %Actor{} = _organizer_actor} <- User.owns_actor(user, actor_id),
-          %Comment{} = comment} <-
+         {:ok, _, %Comment{} = comment} <-
-           Comments.create_comment(username, comment) do
+           Comments.create_comment(%{actor_id: actor_id, text: text}) do
       {:ok, comment}
     end
   end

lib/mobilizon_web/resolvers/event.ex

@@ -7,11 +7,8 @@ defmodule MobilizonWeb.Resolvers.Event do
 
   alias Mobilizon.Actors
   alias Mobilizon.Actors.Actor
-  alias Mobilizon.Addresses
-  alias Mobilizon.Addresses.Address
   alias Mobilizon.Events
-  alias Mobilizon.Events.{Event, Participant}
+  alias Mobilizon.Events.{Event, Participant, EventParticipantStats}
-  alias Mobilizon.Media.Picture
   alias Mobilizon.Service.ActivityPub.Activity
   alias Mobilizon.Users.User
 
@@ -96,14 +93,8 @@ defmodule MobilizonWeb.Resolvers.Event do
     {:ok, []}
   end
 
-  def stats_participants_for_event(%Event{id: id}, _args, _resolution) do
+  def stats_participants_going(%EventParticipantStats{} = stats, _args, _resolution) do
-    {:ok,
+    {:ok, stats.participant + stats.moderator + stats.administrator + stats.creator}
-     %{
-       approved: Mobilizon.Events.count_approved_participants(id),
-       unapproved: Mobilizon.Events.count_unapproved_participants(id),
-       rejected: Mobilizon.Events.count_rejected_participants(id),
-       participants: Mobilizon.Events.count_participant_participants(id)
-     }}
   end
 
   @doc """
@@ -277,8 +268,6 @@ defmodule MobilizonWeb.Resolvers.Event do
     with args <- Map.put(args, :options, args[:options] || %{}),
          {:is_owned, %Actor{} = organizer_actor} <- User.owns_actor(user, organizer_actor_id),
          args_with_organizer <- Map.put(args, :organizer_actor, organizer_actor),
-         {:ok, args_with_organizer} <- save_attached_picture(args_with_organizer),
-         {:ok, args_with_organizer} <- save_physical_address(args_with_organizer),
          {:ok, %Activity{data: %{"object" => %{"type" => "Event"}}}, %Event{} = event} <-
            MobilizonWeb.API.Events.create_event(args_with_organizer) do
       {:ok, event}
@@ -309,8 +298,6 @@ defmodule MobilizonWeb.Resolvers.Event do
          {:is_owned, %Actor{} = organizer_actor} <-
            User.owns_actor(user, event.organizer_actor_id),
          args <- Map.put(args, :organizer_actor, organizer_actor),
-         {:ok, args} <- save_attached_picture(args),
-         {:ok, args} <- save_physical_address(args),
          {:ok, %Activity{data: %{"object" => %{"type" => "Event"}}}, %Event{} = event} <-
            MobilizonWeb.API.Events.update_event(args, event) do
       {:ok, event}
@@ -327,47 +314,6 @@ defmodule MobilizonWeb.Resolvers.Event do
     {:error, "You need to be logged-in to update an event"}
   end
 
-  # If we have an attached picture, just transmit it. It will be handled by
-  # Mobilizon.Service.ActivityPub.Utils.make_picture_data/1
-  # However, we need to pass its actor ID
-  @spec save_attached_picture(map()) :: {:ok, map()}
-  defp save_attached_picture(
-         %{picture: %{picture: %{file: %Plug.Upload{} = _picture} = all_pic}} = args
-       ) do
-    {:ok, Map.put(args, :picture, Map.put(all_pic, :actor_id, args.organizer_actor.id))}
-  end
-
-  # Otherwise if we use a previously uploaded picture we need to fetch it from database
-  @spec save_attached_picture(map()) :: {:ok, map()}
-  defp save_attached_picture(%{picture: %{picture_id: picture_id}} = args) do
-    with %Picture{} = picture <- Mobilizon.Media.get_picture(picture_id) do
-      {:ok, Map.put(args, :picture, picture)}
-    end
-  end
-
-  @spec save_attached_picture(map()) :: {:ok, map()}
-  defp save_attached_picture(args), do: {:ok, args}
-
-  @spec save_physical_address(map()) :: {:ok, map()}
-  defp save_physical_address(%{physical_address: %{url: physical_address_url}} = args)
-       when not is_nil(physical_address_url) do
-    with %Address{} = address <- Addresses.get_address_by_url(physical_address_url),
-         args <- Map.put(args, :physical_address, address.url) do
-      {:ok, args}
-    end
-  end
-
-  @spec save_physical_address(map()) :: {:ok, map()}
-  defp save_physical_address(%{physical_address: address} = args) when address != nil do
-    with {:ok, %Address{} = address} <- Addresses.create_address(address),
-         args <- Map.put(args, :physical_address, address.url) do
-      {:ok, args}
-    end
-  end
-
-  @spec save_physical_address(map()) :: {:ok, map()}
-  defp save_physical_address(args), do: {:ok, args}
-
   @doc """
   Delete an event
   """

lib/mobilizon_web/resolvers/group.ex

@@ -6,7 +6,6 @@ defmodule MobilizonWeb.Resolvers.Group do
   alias Mobilizon.Actors
   alias Mobilizon.Actors.{Actor, Member}
   alias Mobilizon.Service.ActivityPub
-  alias Mobilizon.Service.ActivityPub.Activity
   alias Mobilizon.Users.User
 
   alias MobilizonWeb.API
@@ -47,23 +46,18 @@ defmodule MobilizonWeb.Resolvers.Group do
         args,
         %{context: %{current_user: user}}
       ) do
-    with {
+    with creator_actor_id <- Map.get(args, :creator_actor_id),
-           :ok,
+         {:is_owned, %Actor{} = actor} <- User.owns_actor(user, creator_actor_id),
-           %Activity{data: %{"object" => %{"type" => "Group"} = _object}},
+         args <- Map.put(args, :creator_actor, actor),
-           %Actor{} = group
+         {:ok, _activity, %Actor{type: :Group} = group} <-
-         } <-
+           API.Groups.create_group(args) do
-           API.Groups.create_group(
-             user,
-             %{
-               preferred_username: args.preferred_username,
-               creator_actor_id: args.creator_actor_id,
-               name: Map.get(args, "name", args.preferred_username),
-               summary: args.summary,
-               avatar: Map.get(args, "avatar"),
-               banner: Map.get(args, "banner")
-             }
-           ) do
       {:ok, group}
+    else
+      {:error, err} when is_bitstring(err) ->
+        {:error, err}
+
+      {:is_owned, nil} ->
+        {:error, "Creator actor id is not owned by the current user"}
     end
   end
 

lib/mobilizon_web/resolvers/person.ex

@@ -155,7 +155,7 @@ defmodule MobilizonWeb.Resolvers.Person do
       if Map.has_key?(args, key) && !is_nil(args[key][:picture]) do
         pic = args[key][:picture]
 
-        with {:ok, %{"name" => name, "url" => [%{"href" => url, "mediaType" => content_type}]}} <-
+        with {:ok, %{name: name, url: url, content_type: content_type, size: _size}} <-
                MobilizonWeb.Upload.store(pic.file, type: key, description: pic.alt) do
           Map.put(args, key, %{"name" => name, "url" => url, "mediaType" => content_type})
         end

lib/mobilizon_web/resolvers/picture.ex

@@ -51,7 +51,7 @@ defmodule MobilizonWeb.Resolvers.Picture do
         %{context: %{current_user: user}}
       ) do
     with {:is_owned, %Actor{}} <- User.owns_actor(user, actor_id),
-         {:ok, %{"url" => [%{"href" => url, "mediaType" => content_type}], "size" => size}} <-
+         {:ok, %{name: _name, url: url, content_type: content_type, size: size}} <-
            MobilizonWeb.Upload.store(file),
          args <-
            args

lib/mobilizon_web/schema/comment.ex

@@ -35,7 +35,7 @@ defmodule MobilizonWeb.Schema.CommentType do
     @desc "Create a comment"
     field :create_comment, type: :comment do
       arg(:text, non_null(:string))
-      arg(:actor_username, non_null(:string))
+      arg(:actor_id, non_null(:id))
 
       resolve(&Comment.create_comment/3)
     end

lib/mobilizon_web/schema/event.ex

@@ -63,7 +63,7 @@ defmodule MobilizonWeb.Schema.EventType do
 
     field(:draft, :boolean, description: "Whether or not the event is a draft")
 
-    field(:participant_stats, :participant_stats, resolve: &Event.stats_participants_for_event/3)
+    field(:participant_stats, :participant_stats)
 
     field(:participants, list_of(:participant), description: "The event's participants") do
       arg(:page, :integer, default_value: 1)
@@ -112,13 +112,21 @@ defmodule MobilizonWeb.Schema.EventType do
   end
 
   object :participant_stats do
-    field(:approved, :integer, description: "The number of approved participants")
+    field(:going, :integer,
-    field(:unapproved, :integer, description: "The number of unapproved participants")
+      description: "The number of approved participants",
+      resolve: &Event.stats_participants_going/3
+    )
+
+    field(:not_approved, :integer, description: "The number of not approved participants")
     field(:rejected, :integer, description: "The number of rejected participants")
 
-    field(:participants, :integer,
+    field(:participant, :integer,
       description: "The number of simple participants (excluding creators)"
     )
+
+    field(:moderator, :integer, description: "The number of moderators")
+    field(:administrator, :integer, description: "The number of administrators")
+    field(:creator, :integer, description: "The number of creators")
   end
 
   object :event_offer do

lib/mobilizon_web/upload.ex

@@ -73,16 +73,10 @@ defmodule MobilizonWeb.Upload do
          {:ok, url_spec} <- Uploaders.Uploader.put_file(opts.uploader, upload) do
       {:ok,
        %{
-         "type" => opts.activity_type || get_type(upload.content_type),
+         name: Map.get(opts, :description) || upload.name,
-         "url" => [
+         url: url_from_spec(upload, opts.base_url, url_spec),
-           %{
+         content_type: upload.content_type,
-             "type" => "Link",
+         size: upload.size
-             "mediaType" => upload.content_type,
-             "href" => url_from_spec(upload, opts.base_url, url_spec)
-           }
-         ],
-         "size" => upload.size,
-         "name" => Map.get(opts, :description) || upload.name
        }}
     else
       {:error, error} ->
@@ -166,16 +160,6 @@ defmodule MobilizonWeb.Upload do
 
   defp check_file_size(_, _), do: :ok
 
-  @picture_content_types ["image/gif", "image/png", "image/jpg", "image/jpeg", "image/webp"]
-  # Return whether the upload is a picture or not
-  defp get_type(content_type) do
-    if content_type in @picture_content_types do
-      "Image"
-    else
-      "Document"
-    end
-  end
-
   defp url_from_spec(%__MODULE__{name: name}, base_url, {:file, path}) do
     path =
       URI.encode(path, &char_unescaped?/1) <>

lib/service/activity_pub/activity_pub.ex

@@ -8,7 +8,8 @@ defmodule Mobilizon.Service.ActivityPub do
   # ActivityPub context.
   """
 
-  import Mobilizon.Service.ActivityPub.{Utils, Visibility}
+  import Mobilizon.Service.ActivityPub.Utils
+  import Mobilizon.Service.ActivityPub.Visibility
 
   alias Mobilizon.{Actors, Config, Events}
   alias Mobilizon.Actors.{Actor, Follower}
@@ -16,17 +17,12 @@ defmodule Mobilizon.Service.ActivityPub do
   alias Mobilizon.Service.ActivityPub.{Activity, Converter, Convertible, Relay, Transmogrifier}
   alias Mobilizon.Service.{Federator, WebFinger}
   alias Mobilizon.Service.HTTPSignatures.Signature
+  alias MobilizonWeb.API.Utils, as: APIUtils
+  alias Mobilizon.Service.ActivityPub.Audience
+  alias Mobilizon.Service.ActivityPub.Converter.Utils, as: ConverterUtils
 
   require Logger
 
-  @doc """
-  Get recipients for an activity or object
-  """
-  @spec get_recipients(map()) :: list()
-  def get_recipients(data) do
-    (data["to"] || []) ++ (data["cc"] || [])
-  end
-
   @doc """
   Wraps an object into an activity
   """
@@ -106,8 +102,8 @@ defmodule Mobilizon.Service.ActivityPub do
   @doc """
   Getting an actor from url, eventually creating it
   """
-  @spec get_or_fetch_by_url(String.t(), boolean) :: {:ok, Actor.t()} | {:error, String.t()}
+  @spec get_or_fetch_actor_by_url(String.t(), boolean) :: {:ok, Actor.t()} | {:error, String.t()}
-  def get_or_fetch_by_url(url, preload \\ false) do
+  def get_or_fetch_actor_by_url(url, preload \\ false) do
     case Actors.get_actor_by_url(url, preload) do
       {:ok, %Actor{} = actor} ->
         {:ok, actor}
@@ -126,27 +122,29 @@ defmodule Mobilizon.Service.ActivityPub do
   end
 
   @doc """
-  Create an activity of type "Create"
+  Create an activity of type `Create`
-  """
-  def create(%{to: to, actor: actor, object: object} = params) do
-    Logger.debug("creating an activity")
-    Logger.debug(inspect(params))
-    Logger.debug(inspect(object))
-    additional = params[:additional] || %{}
-    # only accept false as false value
-    local = !(params[:local] == false)
-    published = params[:published]
 
-    with create_data <-
+  * Creates the object, which returns AS data
-           make_create_data(
+  * Wraps ActivityStreams data into a `Create` activity
-             %{to: to, actor: actor, published: published, object: object},
+  * Creates an `Mobilizon.Service.ActivityPub.Activity` from this
-             additional
+  * Federates (asynchronously) the activity
-           ),
+  * Returns the activity
-         {:ok, activity} <- create_activity(create_data, local),
+  """
-         {:ok, object} <- insert_full_object(create_data),
+  @spec create(atom(), map(), boolean, map()) :: {:ok, Activity.t(), struct()} | any()
+  def create(type, args, local \\ false, additional \\ %{}) do
+    Logger.debug("creating an activity")
+    Logger.debug(inspect(args))
+
+    {:ok, entity, create_data} =
+      case type do
+        :event -> create_event(args, additional)
+        :comment -> create_comment(args, additional)
+        :group -> create_group(args, additional)
+      end
+
+    with {:ok, activity} <- create_activity(create_data, local),
          :ok <- maybe_federate(activity) do
-      # {:ok, actor} <- Actors.increase_event_count(actor) do
+      {:ok, activity, entity}
-      {:ok, activity, object}
     else
       err ->
         Logger.error("Something went wrong while creating an activity")
@@ -155,21 +153,52 @@ defmodule Mobilizon.Service.ActivityPub do
     end
   end
 
-  def accept(%{to: to, actor: actor, object: object} = params, activity_wrapper_id \\ nil) do
+  @doc """
-    # only accept false as false value
+  Create an activity of type `Update`
-    local = !(params[:local] == false)
 
-    with data <- %{
+  * Updates the object, which returns AS data
-           "to" => to,
+  * Wraps ActivityStreams data into a `Update` activity
-           "type" => "Accept",
+  * Creates an `Mobilizon.Service.ActivityPub.Activity` from this
-           "actor" => actor,
+  * Federates (asynchronously) the activity
-           "object" => object,
+  * Returns the activity
-           "id" => activity_wrapper_id || get_url(object) <> "/activity"
+  """
-         },
+  @spec update(atom(), struct(), map(), boolean, map()) :: {:ok, Activity.t(), struct()} | any()
-         {:ok, activity} <- create_activity(data, local),
+  def update(type, old_entity, args, local \\ false, additional \\ %{}) do
-         {:ok, object} <- insert_full_object(data),
+    Logger.debug("updating an activity")
+    Logger.debug(inspect(args))
+
+    {:ok, entity, update_data} =
+      case type do
+        :event -> update_event(old_entity, args, additional)
+        :actor -> update_actor(old_entity, args, additional)
+      end
+
+    with {:ok, activity} <- create_activity(update_data, local),
          :ok <- maybe_federate(activity) do
-      {:ok, activity, object}
+      {:ok, activity, entity}
+    else
+      err ->
+        Logger.error("Something went wrong while creating an activity")
+        Logger.debug(inspect(err))
+        err
+    end
+  end
+
+  def accept(type, entity, args, local \\ false, additional \\ %{}) do
+    {:ok, entity, update_data} =
+      case type do
+        :join -> accept_join(entity, args, additional)
+        :follow -> accept_follow(entity, args, additional)
+      end
+
+    with {:ok, activity} <- create_activity(update_data, local),
+         :ok <- maybe_federate(activity) do
+      {:ok, activity, entity}
+    else
+      err ->
+        Logger.error("Something went wrong while creating an activity")
+        Logger.debug(inspect(err))
+        err
     end
   end
 
@@ -191,25 +220,6 @@ defmodule Mobilizon.Service.ActivityPub do
     end
   end
 
-  def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
-    # only accept false as false value
-    local = !(params[:local] == false)
-
-    with data <- %{
-           "to" => to,
-           "cc" => cc,
-           "id" => object["url"],
-           "type" => "Update",
-           "actor" => actor,
-           "object" => object
-         },
-         {:ok, activity} <- create_activity(data, local),
-         {:ok, object} <- update_object(object["id"], data),
-         :ok <- maybe_federate(activity) do
-      {:ok, activity, object}
-    end
-  end
-
   # TODO: This is weird, maybe we shouldn't check here if we can make the activity.
   # def like(
   #       %Actor{url: url} = actor,
@@ -290,15 +300,12 @@ defmodule Mobilizon.Service.ActivityPub do
   Make an actor follow another
   """
   def follow(%Actor{} = follower, %Actor{} = followed, activity_id \\ nil, local \\ true) do
-    with {:ok, %Follower{url: follow_url}} <-
+    with {:ok, %Follower{} = follower} <-
            Actors.follow(followed, follower, activity_id, false),
-         activity_follow_id <-
+         follower_as_data <- Convertible.model_to_as(follower),
-           activity_id || follow_url,
+         {:ok, activity} <- create_activity(follower_as_data, local),
-         data <- make_follow_data(followed, follower, activity_follow_id),
-         {:ok, activity} <- create_activity(data, local),
-         {:ok, object} <- insert_full_object(data),
          :ok <- maybe_federate(activity) do
-      {:ok, activity, object}
+      {:ok, activity, follower}
     else
       {:error, err, msg} when err in [:already_following, :suspended] ->
         {:error, msg}
@@ -310,16 +317,11 @@ defmodule Mobilizon.Service.ActivityPub do
   """
   @spec unfollow(Actor.t(), Actor.t(), String.t(), boolean()) :: {:ok, map()} | any()
   def unfollow(%Actor{} = follower, %Actor{} = followed, activity_id \\ nil, local \\ true) do
-    with {:ok, %Follower{id: follow_id}} <- Actors.unfollow(followed, follower),
+    with {:ok, %Follower{id: follow_id} = follow} <- Actors.unfollow(followed, follower),
          # We recreate the follow activity
-         data <-
+         follow_as_data <-
-           make_follow_data(
+           Convertible.model_to_as(%{follow | actor: follower, target_actor: followed}),
-             followed,
+         {:ok, follow_activity} <- create_activity(follow_as_data, local),
-             follower,
-             "#{MobilizonWeb.Endpoint.url()}/follow/#{follow_id}/activity"
-           ),
-         {:ok, follow_activity} <- create_activity(data, local),
-         {:ok, _object} <- insert_full_object(data),
          activity_unfollow_id <-
            activity_id || "#{MobilizonWeb.Endpoint.url()}/unfollow/#{follow_id}/activity",
          unfollow_data <-
@@ -346,7 +348,7 @@ defmodule Mobilizon.Service.ActivityPub do
       "id" => url <> "/delete"
     }
 
-    with {:ok, _} <- Events.delete_event(event),
+    with {:ok, %Event{} = event} <- Events.delete_event(event),
          {:ok, activity} <- create_activity(data, local),
          :ok <- maybe_federate(activity) do
       {:ok, activity, event}
@@ -362,11 +364,10 @@ defmodule Mobilizon.Service.ActivityPub do
       "to" => [actor.url <> "/followers", "https://www.w3.org/ns/activitystreams#Public"]
     }
 
-    with {:ok, _} <- Events.delete_comment(comment),
+    with {:ok, %Comment{} = comment} <- Events.delete_comment(comment),
          {:ok, activity} <- create_activity(data, local),
-         {:ok, object} <- insert_full_object(data),
          :ok <- maybe_federate(activity) do
-      {:ok, activity, object}
+      {:ok, activity, comment}
     end
   end
 
@@ -379,11 +380,10 @@ defmodule Mobilizon.Service.ActivityPub do
       "to" => [url <> "/followers", "https://www.w3.org/ns/activitystreams#Public"]
     }
 
-    with {:ok, _} <- Actors.delete_actor(actor),
+    with {:ok, %Actor{} = actor} <- Actors.delete_actor(actor),
          {:ok, activity} <- create_activity(data, local),
-         {:ok, object} <- insert_full_object(data),
          :ok <- maybe_federate(activity) do
-      {:ok, activity, object}
+      {:ok, activity, actor}
     end
   end
 
@@ -434,9 +434,9 @@ defmodule Mobilizon.Service.ActivityPub do
          {:ok, _object} <- insert_full_object(join_data),
          :ok <- maybe_federate(activity) do
       if role === :participant do
-        accept(
+        accept_join(
-          %{to: [actor.url], actor: event.organizer_actor.url, object: join_data["id"]},
+          participant,
-          "#{MobilizonWeb.Endpoint.url()}/accept/join/#{participant.id}"
+          %{}
         )
       end
 
@@ -720,9 +720,233 @@ defmodule Mobilizon.Service.ActivityPub do
     }
   end
 
-  #  # Whether the Public audience is in the activity's audience
+  # Get recipients for an activity or object
-  #  defp is_public?(activity) do
+  @spec get_recipients(map()) :: list()
-  #    "https://www.w3.org/ns/activitystreams#Public" in (activity.data["to"] ++
+  defp get_recipients(data) do
-  #                                                         (activity.data["cc"] || []))
+    (data["to"] || []) ++ (data["cc"] || [])
-  #  end
+  end
+
+  @spec create_event(map(), map()) :: {:ok, map()}
+  defp create_event(args, additional) do
+    with args <- prepare_args_for_event(args),
+         {:ok, %Event{} = event} <- Events.create_event(args),
+         event_as_data <- Convertible.model_to_as(event),
+         audience <-
+           Audience.calculate_to_and_cc_from_mentions(
+             event.organizer_actor,
+             args.mentions,
+             nil,
+             event.visibility
+           ),
+         create_data <-
+           make_create_data(event_as_data, Map.merge(audience, additional)) do
+      {:ok, event, create_data}
+    end
+  end
+
+  @spec create_comment(map(), map()) :: {:ok, map()}
+  defp create_comment(args, additional) do
+    with args <- prepare_args_for_comment(args),
+         {:ok, %Comment{} = comment} <- Events.create_comment(args),
+         comment_as_data <- Convertible.model_to_as(comment),
+         audience <-
+           Audience.calculate_to_and_cc_from_mentions(
+             comment.actor,
+             args.mentions,
+             args.in_reply_to_comment,
+             comment.visibility
+           ),
+         create_data <-
+           make_create_data(comment_as_data, Map.merge(audience, additional)) do
+      {:ok, comment, create_data}
+    end
+  end
+
+  @spec create_group(map(), map()) :: {:ok, map()}
+  defp create_group(args, additional) do
+    with args <- prepare_args_for_group(args),
+         {:ok, %Actor{type: :Group} = group} <- Actors.create_group(args),
+         group_as_data <- Convertible.model_to_as(group),
+         audience <-
+           Audience.calculate_to_and_cc_from_mentions(
+             args.creator_actor,
+             [],
+             nil,
+             :public
+           ),
+         create_data <-
+           make_create_data(group_as_data, Map.merge(audience, additional)) do
+      {:ok, group, create_data}
+    end
+  end
+
+  @spec update_event(Event.t(), map(), map()) ::
+          {:ok, Event.t(), Activity.t()} | any()
+  defp update_event(
+         %Event{} = old_event,
+         args,
+         additional
+       ) do
+    with args <- prepare_args_for_event(args),
+         {:ok, %Event{} = new_event} <- Events.update_event(old_event, args),
+         event_as_data <- Convertible.model_to_as(new_event),
+         audience <-
+           Audience.calculate_to_and_cc_from_mentions(
+             new_event.organizer_actor,
+             Map.get(args, :mentions, []),
+             nil,
+             new_event.visibility
+           ),
+         update_data <- make_update_data(event_as_data, Map.merge(audience, additional)) do
+      {:ok, new_event, update_data}
+    else
+      err ->
+        Logger.error("Something went wrong while creating an update activity")
+        Logger.debug(inspect(err))
+        err
+    end
+  end
+
+  @spec update_actor(Actor.t(), map(), map()) ::
+          {:ok, Actor.t(), Activity.t()} | any()
+  defp update_actor(%Actor{} = old_actor, args, additional) do
+    with {:ok, %Actor{} = new_actor} <- Actors.update_actor(old_actor, args),
+         actor_as_data <- Convertible.model_to_as(new_actor),
+         audience <-
+           Audience.calculate_to_and_cc_from_mentions(
+             new_actor,
+             [],
+             nil,
+             :public
+           ),
+         additional <- Map.merge(additional, %{"actor" => old_actor.url}),
+         update_data <- make_update_data(actor_as_data, Map.merge(audience, additional)) do
+      {:ok, new_actor, update_data}
+    end
+  end
+
+  @spec accept_follow(Follower.t(), map(), map()) ::
+          {:ok, Follower.t(), Activity.t()} | any()
+  defp accept_follow(
+         %Follower{} = follower,
+         args,
+         additional
+       ) do
+    with {:ok, %Follower{} = follower} <- Actors.update_follower(follower, args),
+         follower_as_data <- Convertible.model_to_as(follower),
+         audience <-
+           Audience.calculate_to_and_cc_from_mentions(follower.target_actor),
+         update_data <-
+           make_update_data(
+             follower_as_data,
+             Map.merge(Map.merge(audience, additional), %{
+               "id" => "#{MobilizonWeb.Endpoint.url()}/accept/follow/#{follower.id}"
+             })
+           ) do
+      {:ok, follower, update_data}
+    else
+      err ->
+        Logger.error("Something went wrong while creating an update activity")
+        Logger.debug(inspect(err))
+        err
+    end
+  end
+
+  @spec accept_join(Participant.t(), map(), map()) ::
+          {:ok, Participant.t(), Activity.t()} | any()
+  defp accept_join(
+         %Participant{} = participant,
+         args,
+         additional \\ %{}
+       ) do
+    with {:ok, %Participant{} = participant} <- Events.update_participant(participant, args),
+         participant_as_data <- Convertible.model_to_as(participant),
+         audience <-
+           Audience.calculate_to_and_cc_from_mentions(participant.actor),
+         update_data <-
+           make_accept_join_data(
+             participant_as_data,
+             Map.merge(Map.merge(audience, additional), %{
+               "id" => "#{MobilizonWeb.Endpoint.url()}/accept/join/#{participant.id}"
+             })
+           ) do
+      {:ok, participant, update_data}
+    else
+      err ->
+        Logger.error("Something went wrong while creating an update activity")
+        Logger.debug(inspect(err))
+        err
+    end
+  end
+
+  # Prepare and sanitize arguments for events
+  defp prepare_args_for_event(args) do
+    # If title is not set: we are not updating it
+    args =
+      if Map.has_key?(args, :title) && !is_nil(args.title),
+        do: Map.update(args, :title, "", &String.trim(HtmlSanitizeEx.strip_tags(&1))),
+        else: args
+
+    # If we've been given a description (we might not get one if updating)
+    # sanitize it, HTML it, and extract tags & mentions from it
+    args =
+      if Map.has_key?(args, :description) && !is_nil(args.description) do
+        {description, mentions, tags} =
+          APIUtils.make_content_html(
+            String.trim(args.description),
+            Map.get(args, :tags, []),
+            "text/html"
+          )
+
+        mentions = ConverterUtils.fetch_mentions(Map.get(args, :mentions, []) ++ mentions)
+
+        Map.merge(args, %{
+          description: description,
+          mentions: mentions,
+          tags: tags
+        })
+      else
+        args
+      end
+
+    Map.update(args, :tags, [], &ConverterUtils.fetch_tags/1)
+  end
+
+  # Prepare and sanitize arguments for comments
+  defp prepare_args_for_comment(args) do
+    with in_reply_to_comment <-
+           args |> Map.get(:in_reply_to_comment_id) |> Events.get_comment(),
+         args <- Map.update(args, :visibility, :public, & &1),
+         {text, mentions, tags} <-
+           APIUtils.make_content_html(
+             args |> Map.get(:text, "") |> String.trim(),
+             # Can't put additional tags on a comment
+             [],
+             "text/html"
+           ),
+         tags <- ConverterUtils.fetch_tags(tags),
+         mentions <- Map.get(args, :mentions, []) ++ ConverterUtils.fetch_mentions(mentions),
+         args <-
+           Map.merge(args, %{
+             actor_id: Map.get(args, :actor_id),
+             text: text,
+             mentions: mentions,
+             tags: tags,
+             in_reply_to_comment: in_reply_to_comment,
+             in_reply_to_comment_id:
+               if(is_nil(in_reply_to_comment), do: nil, else: Map.get(in_reply_to_comment, :id))
+           }) do
+      args
+    end
+  end
+
+  defp prepare_args_for_group(args) do
+    with preferred_username <-
+           args |> Map.get(:preferred_username) |> HtmlSanitizeEx.strip_tags() |> String.trim(),
+         summary <- args |> Map.get(:summary, "") |> String.trim(),
+         {summary, _mentions, _tags} <-
+           summary |> String.trim() |> APIUtils.make_content_html([], "text/html") do
+      %{args | preferred_username: preferred_username, summary: summary}
+    end
+  end
 end

lib/service/activity_pub/audience.ex

@@ -0,0 +1,98 @@
+defmodule Mobilizon.Service.ActivityPub.Audience do
+  @moduledoc """
+  Tools for calculating content audience
+  """
+  alias Mobilizon.Actors.Actor
+
+  @ap_public "https://www.w3.org/ns/activitystreams#Public"
+
+  @doc """
+  Determines the full audience based on mentions for a public audience
+
+  Audience is:
+    * `to` : the mentioned actors, the eventual actor we're replying to and the public
+    * `cc` : the actor's followers
+  """
+  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
+  def get_to_and_cc(%Actor{} = actor, mentions, in_reply_to, :public) do
+    to = [@ap_public | mentions]
+    cc = [actor.followers_url]
+
+    if in_reply_to do
+      {Enum.uniq([in_reply_to.actor | to]), cc}
+    else
+      {to, cc}
+    end
+  end
+
+  @doc """
+  Determines the full audience based on mentions based on a unlisted audience
+
+  Audience is:
+    * `to` : the mentionned actors, actor's followers and the eventual actor we're replying to
+    * `cc` : public
+  """
+  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
+  def get_to_and_cc(%Actor{} = actor, mentions, in_reply_to, :unlisted) do
+    to = [actor.followers_url | mentions]
+    cc = [@ap_public]
+
+    if in_reply_to do
+      {Enum.uniq([in_reply_to.actor | to]), cc}
+    else
+      {to, cc}
+    end
+  end
+
+  @doc """
+  Determines the full audience based on mentions based on a private audience
+
+  Audience is:
+    * `to` : the mentioned actors, actor's followers and the eventual actor we're replying to
+    * `cc` : none
+  """
+  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
+  def get_to_and_cc(%Actor{} = actor, mentions, in_reply_to, :private) do
+    {to, cc} = get_to_and_cc(actor, mentions, in_reply_to, :direct)
+    {[actor.followers_url | to], cc}
+  end
+
+  @doc """
+  Determines the full audience based on mentions based on a direct audience
+
+  Audience is:
+    * `to` : the mentioned actors and the eventual actor we're replying to
+    * `cc` : none
+  """
+  @spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
+  def get_to_and_cc(_actor, mentions, in_reply_to, :direct) do
+    if in_reply_to do
+      {Enum.uniq([in_reply_to.actor | mentions]), []}
+    else
+      {mentions, []}
+    end
+  end
+
+  def get_to_and_cc(_actor, mentions, _in_reply_to, {:list, _}) do
+    {mentions, []}
+  end
+
+  #  def get_addressed_actors(_, to) when is_list(to) do
+  #    Actors.get(to)
+  #  end
+
+  def get_addressed_actors(mentioned_users, _), do: mentioned_users
+
+  def calculate_to_and_cc_from_mentions(
+        actor,
+        mentions \\ [],
+        in_reply_to \\ nil,
+        visibility \\ :public
+      ) do
+    with mentioned_actors <- for({_, mentioned_actor} <- mentions, do: mentioned_actor.url),
+         addressed_actors <- get_addressed_actors(mentioned_actors, nil),
+         {to, cc} <- get_to_and_cc(actor, addressed_actors, in_reply_to, visibility) do
+      %{"to" => to, "cc" => cc}
+    end
+  end
+end

lib/service/activity_pub/converter/actor.ex

@@ -37,17 +37,18 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Actor do
           "url" => object["image"]["url"]
         }
 
-    %{
+    {:ok,
-      "type" => String.to_existing_atom(object["type"]),
+     %{
-      "preferred_username" => object["preferredUsername"],
+       "type" => String.to_existing_atom(object["type"]),
-      "summary" => object["summary"],
+       "preferred_username" => object["preferredUsername"],
-      "url" => object["id"],
+       "summary" => object["summary"],
-      "name" => object["name"],
+       "url" => object["id"],
-      "avatar" => avatar,
+       "name" => object["name"],
-      "banner" => banner,
+       "avatar" => avatar,
-      "keys" => object["publicKey"]["publicKeyPem"],
+       "banner" => banner,
-      "manually_approves_followers" => object["manuallyApprovesFollowers"]
+       "keys" => object["publicKey"]["publicKeyPem"],
-    }
+       "manually_approves_followers" => object["manuallyApprovesFollowers"]
+     }}
   end
 
   @doc """

lib/service/activity_pub/converter/comment.ex

@@ -11,6 +11,7 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Comment do
   alias Mobilizon.Events.Event
   alias Mobilizon.Service.ActivityPub
   alias Mobilizon.Service.ActivityPub.{Converter, Convertible}
+  alias Mobilizon.Service.ActivityPub.Converter.Utils, as: ConverterUtils
 
   require Logger
 
@@ -26,57 +27,67 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Comment do
   Converts an AP object data to our internal data structure.
   """
   @impl Converter
-  @spec as_to_model_data(map) :: map
+  @spec as_to_model_data(map) :: {:ok, map} | {:error, any()}
   def as_to_model_data(object) do
-    {:ok, %Actor{id: actor_id}} = ActivityPub.get_or_fetch_by_url(object["actor"])
+    Logger.debug("We're converting raw ActivityStream data to a comment entity")
-
-    Logger.debug("Inserting full comment")
     Logger.debug(inspect(object))
 
-    data = %{
+    with {:ok, %Actor{id: actor_id}} <- ActivityPub.get_or_fetch_actor_by_url(object["actor"]),
-      "text" => object["content"],
+         {:tags, tags} <- {:tags, ConverterUtils.fetch_tags(object["tag"])},
-      "url" => object["id"],
+         {:mentions, mentions} <- {:mentions, ConverterUtils.fetch_mentions(object["tag"])} do
-      "actor_id" => actor_id,
+      Logger.debug("Inserting full comment")
-      "in_reply_to_comment_id" => nil,
+      Logger.debug(inspect(object))
-      "event_id" => nil,
-      "uuid" => object["uuid"]
-    }
 
-    # We fetch the parent object
+      data = %{
-    Logger.debug("We're fetching the parent object")
+        text: object["content"],
+        url: object["id"],
+        actor_id: actor_id,
+        in_reply_to_comment_id: nil,
+        event_id: nil,
+        uuid: object["uuid"],
+        tags: tags,
+        mentions: mentions
+      }
 
-    data =
+      # We fetch the parent object
-      if Map.has_key?(object, "inReplyTo") && object["inReplyTo"] != nil &&
+      Logger.debug("We're fetching the parent object")
-           object["inReplyTo"] != "" do
-        Logger.debug(fn -> "Object has inReplyTo #{object["inReplyTo"]}" end)
 
-        case ActivityPub.fetch_object_from_url(object["inReplyTo"]) do
+      data =
-          # Reply to an event (Event)
+        if Map.has_key?(object, "inReplyTo") && object["inReplyTo"] != nil &&
-          {:ok, %Event{id: id}} ->
+             object["inReplyTo"] != "" do
-            Logger.debug("Parent object is an event")
+          Logger.debug(fn -> "Object has inReplyTo #{object["inReplyTo"]}" end)
-            data |> Map.put("event_id", id)
 
-          # Reply to a comment (Comment)
+          case ActivityPub.fetch_object_from_url(object["inReplyTo"]) do
-          {:ok, %CommentModel{id: id} = comment} ->
+            # Reply to an event (Event)
-            Logger.debug("Parent object is another comment")
+            {:ok, %Event{id: id}} ->
+              Logger.debug("Parent object is an event")
+              data |> Map.put(:event_id, id)
 
-            data
+            # Reply to a comment (Comment)
-            |> Map.put("in_reply_to_comment_id", id)
+            {:ok, %CommentModel{id: id} = comment} ->
-            |> Map.put("origin_comment_id", comment |> CommentModel.get_thread_id())
+              Logger.debug("Parent object is another comment")
 
-          # Anything else is kind of a MP
+              data
-          {:error, parent} ->
+              |> Map.put(:in_reply_to_comment_id, id)
-            Logger.debug("Parent object is something we don't handle")
+              |> Map.put(:origin_comment_id, comment |> CommentModel.get_thread_id())
-            Logger.debug(inspect(parent))
+
-            data
+            # Anything else is kind of a MP
+            {:error, parent} ->
+              Logger.debug("Parent object is something we don't handle")
+              Logger.debug(inspect(parent))
+              data
+          end
+        else
+          Logger.debug("No parent object for this comment")
+
+          data
         end
-      else
-        Logger.debug("No parent object for this comment")
 
-        data
+      {:ok, data}
-      end
+    else
-
+      err ->
-    data
+        {:error, err}
+    end
   end
 
   @doc """
@@ -85,14 +96,22 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Comment do
   @impl Converter
   @spec model_to_as(CommentModel.t()) :: map
   def model_to_as(%CommentModel{} = comment) do
+    to =
+      if comment.visibility == :public,
+        do: ["https://www.w3.org/ns/activitystreams#Public"],
+        else: [comment.actor.followers_url]
+
     object = %{
       "type" => "Note",
-      "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+      "to" => to,
+      "cc" => [],
       "content" => comment.text,
       "actor" => comment.actor.url,
       "attributedTo" => comment.actor.url,
       "uuid" => comment.uuid,
-      "id" => comment.url
+      "id" => comment.url,
+      "tag" =>
+        ConverterUtils.build_mentions(comment.mentions) ++ ConverterUtils.build_tags(comment.tags)
     }
 
     if comment.in_reply_to_comment do

lib/service/activity_pub/converter/event.ex

@@ -6,15 +6,17 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Event do
   internal one, and back.
   """
 
-  alias Mobilizon.{Actors, Addresses, Events, Media}
+  alias Mobilizon.{Addresses, Media}
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Addresses.Address
   alias Mobilizon.Events.Event, as: EventModel
-  alias Mobilizon.Events.{EventOptions, Tag}
+  alias Mobilizon.Events.EventOptions
   alias Mobilizon.Media.Picture
+  alias Mobilizon.Service.ActivityPub
   alias Mobilizon.Service.ActivityPub.{Converter, Convertible, Utils}
   alias Mobilizon.Service.ActivityPub.Converter.Address, as: AddressConverter
   alias Mobilizon.Service.ActivityPub.Converter.Picture, as: PictureConverter
+  alias Mobilizon.Service.ActivityPub.Converter.Utils, as: ConverterUtils
 
   require Logger
 
@@ -30,16 +32,16 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Event do
   Converts an AP object data to our internal data structure.
   """
   @impl Converter
-  @spec as_to_model_data(map) :: map
+  @spec as_to_model_data(map) :: {:ok, map()} | {:error, any()}
   def as_to_model_data(object) do
     Logger.debug("event as_to_model_data")
     Logger.debug(inspect(object))
 
     with {:actor, {:ok, %Actor{id: actor_id}}} <-
-           {:actor, Actors.get_actor_by_url(object["actor"])},
+           {:actor, ActivityPub.get_or_fetch_actor_by_url(object["actor"])},
          {:address, address_id} <-
            {:address, get_address(object["location"])},
-         {:tags, tags} <- {:tags, fetch_tags(object["tag"])},
+         {:tags, tags} <- {:tags, ConverterUtils.fetch_tags(object["tag"])},
          {:visibility, visibility} <- {:visibility, get_visibility(object)},
          {:options, options} <- {:options, get_options(object)} do
       picture_id =
@@ -58,26 +60,27 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Event do
         end
 
       entity = %{
-        "title" => object["name"],
+        title: object["name"],
-        "description" => object["content"],
+        description: object["content"],
-        "organizer_actor_id" => actor_id,
+        organizer_actor_id: actor_id,
-        "picture_id" => picture_id,
+        picture_id: picture_id,
-        "begins_on" => object["startTime"],
+        begins_on: object["startTime"],
-        "ends_on" => object["endTime"],
+        ends_on: object["endTime"],
-        "category" => object["category"],
+        category: object["category"],
-        "visibility" => visibility,
+        visibility: visibility,
-        "join_options" => object["joinOptions"],
+        join_options: Map.get(object, "joinOptions", "free"),
-        "status" => object["status"],
+        options: options,
-        "online_address" => object["onlineAddress"],
+        status: object["status"],
-        "phone_address" => object["phoneAddress"],
+        online_address: object["onlineAddress"],
-        "draft" => object["draft"] || false,
+        phone_address: object["phoneAddress"],
-        "url" => object["id"],
+        draft: object["draft"] || false,
-        "uuid" => object["uuid"],
+        url: object["id"],
-        "tags" => tags,
+        uuid: object["uuid"],
-        "physical_address_id" => address_id
+        tags: tags,
+        physical_address_id: address_id
       }
 
-      {:ok, Map.put(entity, "options", options)}
+      {:ok, entity}
     else
       error ->
         {:error, error}
@@ -111,7 +114,7 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Event do
       "startTime" => event.begins_on |> date_to_string(),
       "joinOptions" => to_string(event.join_options),
       "endTime" => event.ends_on |> date_to_string(),
-      "tag" => event.tags |> build_tags(),
+      "tag" => event.tags |> ConverterUtils.build_tags(),
       "draft" => event.draft,
       "id" => event.url,
       "url" => event.url
@@ -181,32 +184,6 @@ defmodule Mobilizon.Service.ActivityPub.Converter.Event do
     end
   end
 
-  @spec fetch_tags([String.t()]) :: [String.t()]
-  defp fetch_tags(tags) do
-    Logger.debug("fetching tags")
-
-    Enum.reduce(tags, [], fn tag, acc ->
-      with true <- tag["type"] == "Hashtag",
-           {:ok, %Tag{} = tag} <- Events.get_or_create_tag(tag) do
-        acc ++ [tag]
-      else
-        _err ->
-          acc
-      end
-    end)
-  end
-
-  @spec build_tags([String.t()]) :: String.t()
-  defp build_tags(tags) do
-    Enum.map(tags, fn %Tag{} = tag ->
-      %{
-        "href" => MobilizonWeb.Endpoint.url() <> "/tags/#{tag.slug}",
-        "name" => "##{tag.title}",
-        "type" => "Hashtag"
-      }
-    end)
-  end
-
   @ap_public "https://www.w3.org/ns/activitystreams#Public"
 
   defp get_visibility(object) do

lib/service/activity_pub/converter/follower.ex

@@ -0,0 +1,36 @@
+defmodule Mobilizon.Service.ActivityPub.Converter.Follower do
+  @moduledoc """
+  Participant converter.
+
+  This module allows to convert followers from ActivityStream format to our own
+  internal one, and back.
+  """
+
+  alias Mobilizon.Actors.Follower, as: FollowerModel
+
+  alias Mobilizon.Service.ActivityPub.Convertible
+  alias Mobilizon.Actors.Actor
+
+  defimpl Convertible, for: FollowerModel do
+    alias Mobilizon.Service.ActivityPub.Converter.Follower, as: FollowerConverter
+
+    defdelegate model_to_as(follower), to: FollowerConverter
+  end
+
+  @doc """
+  Convert an follow struct to an ActivityStream representation.
+  """
+  @spec model_to_as(FollowerModel.t()) :: map
+  def model_to_as(
+        %FollowerModel{actor: %Actor{} = actor, target_actor: %Actor{} = target_actor} = follower
+      ) do
+    %{
+      "type" => "Follow",
+      "actor" => actor.url,
+      "to" => [target_actor.url],
+      "cc" => ["https://www.w3.org/ns/activitystreams#Public"],
+      "object" => target_actor.url,
+      "id" => follower.url
+    }
+  end
+end

lib/service/activity_pub/converter/utils.ex

@@ -0,0 +1,100 @@
+defmodule Mobilizon.Service.ActivityPub.Converter.Utils do
+  @moduledoc """
+  Various utils for converters
+  """
+
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Events.Tag
+  alias Mobilizon.Mention
+  alias Mobilizon.Service.ActivityPub
+  alias Mobilizon.Storage.Repo
+  require Logger
+
+  @spec fetch_tags([String.t()]) :: [Tag.t()]
+  def fetch_tags(tags) when is_list(tags) do
+    Logger.debug("fetching tags")
+
+    Enum.reduce(tags, [], &fetch_tag/2)
+  end
+
+  @spec fetch_mentions([map()]) :: [map()]
+  def fetch_mentions(mentions) when is_list(mentions) do
+    Logger.debug("fetching mentions")
+
+    Enum.reduce(mentions, [], fn mention, acc -> create_mention(mention, acc) end)
+  end
+
+  def fetch_address(%{id: id}) do
+    with {id, ""} <- Integer.parse(id) do
+      %{id: id}
+    end
+  end
+
+  def fetch_address(address) when is_map(address) do
+    address
+  end
+
+  @spec build_tags([Tag.t()]) :: [Map.t()]
+  def build_tags(tags) do
+    Enum.map(tags, fn %Tag{} = tag ->
+      %{
+        "href" => MobilizonWeb.Endpoint.url() <> "/tags/#{tag.slug}",
+        "name" => "##{tag.title}",
+        "type" => "Hashtag"
+      }
+    end)
+  end
+
+  def build_mentions(mentions) do
+    Enum.map(mentions, fn %Mention{} = mention ->
+      if Ecto.assoc_loaded?(mention.actor) do
+        build_mention(mention.actor)
+      else
+        build_mention(Repo.preload(mention, [:actor]).actor)
+      end
+    end)
+  end
+
+  defp build_mention(%Actor{} = actor) do
+    %{
+      "href" => actor.url,
+      "name" => "@#{Mobilizon.Actors.Actor.preferred_username_and_domain(actor)}",
+      "type" => "Mention"
+    }
+  end
+
+  defp fetch_tag(tag, acc) when is_map(tag) do
+    case tag["type"] do
+      "Hashtag" ->
+        acc ++ [%{title: tag}]
+
+      _err ->
+        acc
+    end
+  end
+
+  defp fetch_tag(tag, acc) when is_bitstring(tag) do
+    acc ++ [%{title: tag}]
+  end
+
+  @spec create_mention(map(), list()) :: list()
+  defp create_mention(%Actor{id: actor_id} = _mention, acc) do
+    acc ++ [%{actor_id: actor_id}]
+  end
+
+  @spec create_mention(map(), list()) :: list()
+  defp create_mention(mention, acc) when is_map(mention) do
+    with true <- mention["type"] == "Mention",
+         {:ok, %Actor{id: actor_id}} <- ActivityPub.get_or_fetch_actor_by_url(mention["href"]) do
+      acc ++ [%{actor_id: actor_id}]
+    else
+      _err ->
+        acc
+    end
+  end
+
+  @spec create_mention({String.t(), map()}, list()) :: list()
+  defp create_mention({_, mention}, acc) when is_map(mention) do
+    create_mention(mention, acc)
+  end
+end

lib/service/activity_pub/relay.ex

@@ -26,7 +26,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
 
   def follow(target_instance) do
     with %Actor{} = local_actor <- get_actor(),
-         {:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_by_url(target_instance),
+         {:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_actor_by_url(target_instance),
          {:ok, activity} <- Follows.follow(local_actor, target_actor) do
       Logger.info("Relay: followed instance #{target_instance}; id=#{activity.data["id"]}")
       {:ok, activity}
@@ -39,7 +39,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
 
   def unfollow(target_instance) do
     with %Actor{} = local_actor <- get_actor(),
-         {:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_by_url(target_instance),
+         {:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_actor_by_url(target_instance),
          {:ok, activity} <- Follows.unfollow(local_actor, target_actor) do
       Logger.info("Relay: unfollowed instance #{target_instance}: id=#{activity.data["id"]}")
       {:ok, activity}
@@ -52,7 +52,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
 
   def accept(target_instance) do
     with %Actor{} = local_actor <- get_actor(),
-         {:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_by_url(target_instance),
+         {:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_actor_by_url(target_instance),
          {:ok, activity} <- Follows.accept(target_actor, local_actor) do
       {:ok, activity}
     end
@@ -60,7 +60,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
 
   #  def reject(target_instance) do
   #    with %Actor{} = local_actor <- get_actor(),
-  #         {:ok, %Actor{} = target_actor} <- Activity.get_or_fetch_by_url(target_instance),
+  #         {:ok, %Actor{} = target_actor} <- Activity.get_or_fetch_actor_by_url(target_instance),
   #         {:ok, activity} <- Follows.reject(target_actor, local_actor) do
   #      {:ok, activity}
   #    end

lib/service/activity_pub/transmogrifier.ex

@@ -13,9 +13,11 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   alias Mobilizon.Events
   alias Mobilizon.Events.{Comment, Event, Participant}
   alias Mobilizon.Service.ActivityPub
-  alias Mobilizon.Service.ActivityPub.{Converter, Convertible, Utils, Visibility}
+  alias Mobilizon.Service.ActivityPub.{Activity, Converter, Convertible, Utils}
   alias MobilizonWeb.Email.Participation
 
+  import Mobilizon.Service.ActivityPub.Utils
+
   require Logger
 
   def get_actor(%{"actor" => actor}) when is_binary(actor) do
@@ -138,59 +140,65 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
     end
   end
 
-  def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
+  @doc """
+  Handles a `Create` activity for `Note` (comments) objects
+
+  The following actions are performed
+  * Fetch the author of the activity
+  * Convert the ActivityStream data to the comment model format (it also finds and inserts tags)
+  * Get (by it's URL) or create the comment with this data
+  * Insert eventual mentions in the database
+  * Convert the comment back in ActivityStreams data
+  * Wrap this data back into a `Create` activity
+  * Return the activity and the comment object
+  """
+  def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Note"} = object}) do
     Logger.info("Handle incoming to create notes")
 
-    with {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(data["actor"]) do
+    with {:ok, object_data} <-
-      Logger.debug("found actor")
+           object |> fix_object() |> Converter.Comment.as_to_model_data(),
-      Logger.debug(inspect(actor))
+         {:existing_comment, {:error, :comment_not_found}} <-
-
+           {:existing_comment, Events.get_comment_from_url_with_preload(object_data.url)},
-      params = %{
+         {:ok, %Activity{} = activity, %Comment{} = comment} <-
-        to: data["to"],
+           ActivityPub.create(:comment, object_data, false) do
-        object: object |> fix_object,
+      {:ok, activity, comment}
-        actor: actor,
+    else
-        local: false,
+      {:existing_comment, {:ok, %Comment{} = comment}} ->
-        published: data["published"],
+        {:ok, nil, comment}
-        additional:
-          Map.take(data, [
-            "cc",
-            "id"
-          ])
-      }
-
-      ActivityPub.create(params)
     end
   end
 
-  def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Event"} = object} = data) do
+  @doc """
+  Handles a `Create` activity for `Event` objects
+
+  The following actions are performed
+  * Fetch the author of the activity
+  * Convert the ActivityStream data to the event model format (it also finds and inserts tags)
+  * Get (by it's URL) or create the event with this data
+  * Insert eventual mentions in the database
+  * Convert the event back in ActivityStreams data
+  * Wrap this data back into a `Create` activity
+  * Return the activity and the event object
+  """
+  def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Event"} = object}) do
     Logger.info("Handle incoming to create event")
 
-    with {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(data["actor"]) do
+    with {:ok, object_data} <-
-      Logger.debug("found actor")
+           object |> fix_object() |> Converter.Event.as_to_model_data(),
-      Logger.debug(inspect(actor))
+         {:existing_event, nil} <- {:existing_event, Events.get_event_by_url(object_data.url)},
-
+         {:ok, %Activity{} = activity, %Event{} = event} <-
-      params = %{
+           ActivityPub.create(:event, object_data, false) do
-        to: data["to"],
+      {:ok, activity, event}
-        object: object |> fix_object,
+    else
-        actor: actor,
+      {:existing_event, %Event{} = event} -> {:ok, nil, event}
-        local: false,
-        published: data["published"],
-        additional:
-          Map.take(data, [
-            "cc",
-            "id"
-          ])
-      }
-
-      ActivityPub.create(params)
     end
   end
 
   def handle_incoming(
         %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = _data
       ) do
-    with {:ok, %Actor{} = followed} <- ActivityPub.get_or_fetch_by_url(followed, true),
+    with {:ok, %Actor{} = followed} <- ActivityPub.get_or_fetch_actor_by_url(followed, true),
-         {:ok, %Actor{} = follower} <- ActivityPub.get_or_fetch_by_url(follower),
+         {:ok, %Actor{} = follower} <- ActivityPub.get_or_fetch_actor_by_url(follower),
          {:ok, activity, object} <- ActivityPub.follow(follower, followed, id, false) do
       {:ok, activity, object}
     else
@@ -209,8 +217,8 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
         } = data
       ) do
     with actor_url <- get_actor(data),
-         {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor_url),
+         {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_actor_by_url(actor_url),
-         {:object_not_found, {:ok, activity, object}} <-
+         {:object_not_found, {:ok, %Activity{} = activity, object}} <-
            {:object_not_found,
             do_handle_incoming_accept_following(accepted_object, actor) ||
               do_handle_incoming_accept_join(accepted_object, actor)} do
@@ -238,7 +246,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
         %{"type" => "Reject", "object" => rejected_object, "actor" => _actor, "id" => id} = data
       ) do
     with actor_url <- get_actor(data),
-         {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor_url),
+         {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_actor_by_url(actor_url),
          {:object_not_found, {:ok, activity, object}} <-
            {:object_not_found,
             do_handle_incoming_reject_following(rejected_object, actor) ||
@@ -278,13 +286,20 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   #  end
   # #
   def handle_incoming(
-        %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data
+        %{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => _id} = data
       ) do
     with actor <- get_actor(data),
-         {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor),
+         # TODO: Is the following line useful?
+         {:ok, %Actor{} = _actor} <- ActivityPub.get_or_fetch_actor_by_url(actor),
+         :ok <- Logger.debug("Fetching contained object"),
          {:ok, object} <- fetch_obj_helper_as_activity_streams(object_id),
-         public <- Visibility.is_public?(data),
+         :ok <- Logger.debug("Handling contained object"),
-         {:ok, activity, object} <- ActivityPub.announce(actor, object, id, false, public) do
+         create_data <-
+           make_create_data(object),
+         :ok <- Logger.debug(inspect(object)),
+         {:ok, _activity, object} <- handle_incoming(create_data),
+         :ok <- Logger.debug("Finished processing contained object"),
+         {:ok, activity} <- ActivityPub.create_activity(data, false) do
       {:ok, activity, object}
     else
       e ->
@@ -293,21 +308,19 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
     end
   end
 
-  def handle_incoming(
+  def handle_incoming(%{
-        %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => _actor_id} =
+        "type" => "Update",
-          data
+        "object" => %{"type" => object_type} = object,
-      )
+        "actor" => _actor_id
+      })
       when object_type in ["Person", "Group", "Application", "Service", "Organization"] do
-    case Actors.get_actor_by_url(object["id"]) do
+    with {:ok, %Actor{} = old_actor} <- Actors.get_actor_by_url(object["id"]),
-      {:ok, %Actor{url: actor_url}} ->
+         {:ok, object_data} <-
-        ActivityPub.update(%{
+           object |> fix_object() |> Converter.Actor.as_to_model_data(),
-          local: false,
+         {:ok, %Activity{} = activity, %Actor{} = new_actor} <-
-          to: data["to"] || [],
+           ActivityPub.update(:actor, old_actor, object_data, false) do
-          cc: data["cc"] || [],
+      {:ok, activity, new_actor}
-          object: object,
+    else
-          actor: actor_url
-        })
-
       e ->
         Logger.debug(inspect(e))
         :error
@@ -315,24 +328,19 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   end
 
   def handle_incoming(
-        %{"type" => "Update", "object" => %{"type" => "Event"} = object, "actor" => actor} =
+        %{"type" => "Update", "object" => %{"type" => "Event"} = object, "actor" => _actor} =
           _update
       ) do
-    with {:ok, %{"actor" => existing_organizer_actor_url} = existing_event_data} <-
+    with %Event{} = old_event <-
-           fetch_obj_helper_as_activity_streams(object),
+           Events.get_event_by_url(object["id"]),
-         object <- Map.merge(existing_event_data, object),
+         {:ok, object_data} <-
-         {:ok, %Actor{url: actor_url}} <- actor |> Utils.get_url() |> Actors.get_actor_by_url(),
+           object |> fix_object() |> Converter.Event.as_to_model_data(),
-         true <- Utils.get_url(existing_organizer_actor_url) == actor_url do
+         {:ok, %Activity{} = activity, %Event{} = new_event} <-
-      ActivityPub.update(%{
+           ActivityPub.update(:event, old_event, object_data, false) do
-        local: false,
+      {:ok, activity, new_event}
-        to: object["to"] || [],
-        cc: object["cc"] || [],
-        object: object,
-        actor: actor_url
-      })
     else
       e ->
-        Logger.debug(inspect(e))
+        Logger.error(inspect(e))
         :error
     end
   end
@@ -350,7 +358,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
         } = data
       ) do
     with actor <- get_actor(data),
-         {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor),
+         {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_actor_by_url(actor),
          {:ok, object} <- fetch_obj_helper_as_activity_streams(object_id),
          {:ok, activity, object} <-
            ActivityPub.unannounce(actor, object, id, cancelled_activity_id, false) do
@@ -454,7 +462,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   #       } = data
   #     ) do
   #   with actor <- get_actor(data),
-  #        %Actor{} = actor <- ActivityPub.get_or_fetch_by_url(actor),
+  #        %Actor{} = actor <- ActivityPub.get_or_fetch_actor_by_url(actor),
   #        {:ok, object} <- fetch_obj_helper(object_id) || fetch_obj_helper(object_id),
   #        {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
   #     {:ok, activity}
@@ -472,23 +480,16 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   Handle incoming `Accept` activities wrapping a `Follow` activity
   """
   def do_handle_incoming_accept_following(follow_object, %Actor{} = actor) do
-    with {:follow,
+    with {:follow, {:ok, %Follower{approved: false, target_actor: followed} = follow}} <-
-          {:ok,
-           %Follower{approved: false, actor: follower, id: follow_id, target_actor: followed} =
-             follow}} <-
            {:follow, get_follow(follow_object)},
          {:same_actor, true} <- {:same_actor, actor.id == followed.id},
-         {:ok, activity, _} <-
+         {:ok, %Activity{} = activity, %Follower{approved: true} = follow} <-
            ActivityPub.accept(
-             %{
+             :follow,
-               to: [follower.url],
+             follow,
-               actor: actor.url,
+             %{approved: true},
-               object: follow_object,
+             false
-               local: false
+           ) do
-             },
-             "#{MobilizonWeb.Endpoint.url()}/accept/follow/#{follow_id}"
-           ),
-         {:ok, %Follower{approved: true}} <- Actors.update_follower(follow, %{"approved" => true}) do
       {:ok, activity, follow}
     else
       {:follow, _} ->
@@ -546,26 +547,18 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
 
   # Handle incoming `Accept` activities wrapping a `Join` activity on an event
   defp do_handle_incoming_accept_join(join_object, %Actor{} = actor_accepting) do
-    with {:join_event,
+    with {:join_event, {:ok, %Participant{role: :not_approved, event: event} = participant}} <-
-          {:ok,
-           %Participant{role: :not_approved, actor: actor, id: join_id, event: event} =
-             participant}} <-
            {:join_event, get_participant(join_object)},
          # TODO: The actor that accepts the Join activity may another one that the event organizer ?
          # Or maybe for groups it's the group that sends the Accept activity
          {:same_actor, true} <- {:same_actor, actor_accepting.id == event.organizer_actor_id},
-         {:ok, activity, _} <-
+         {:ok, %Activity{} = activity, %Participant{role: :participant} = participant} <-
            ActivityPub.accept(
-             %{
+             :join,
-               to: [actor.url],
+             participant,
-               actor: actor_accepting.url,
+             %{role: :participant},
-               object: join_object,
+             false
-               local: false
-             },
-             "#{MobilizonWeb.Endpoint.url()}/accept/join/#{join_id}"
            ),
-         {:ok, %Participant{role: :participant}} <-
-           Events.update_participant(participant, %{"role" => :participant}),
          :ok <-
            Participation.send_emails_to_local_user(participant) do
       {:ok, activity, participant}
@@ -684,7 +677,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   def prepare_object(object) do
     object
     #    |> set_sensitive
-    |> add_hashtags
+    # |> add_hashtags
     |> add_mention_tags
     #    |> add_emoji_tags
     |> add_attributed_to
@@ -781,6 +774,9 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   end
 
   def add_mention_tags(object) do
+    Logger.debug("add mention tags")
+    Logger.debug(inspect(object))
+
     recipients =
       (object["to"] ++ (object["cc"] || [])) -- ["https://www.w3.org/ns/activitystreams#Public"]
 
@@ -795,7 +791,11 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
       end)
       |> Enum.filter(& &1)
       |> Enum.map(fn actor ->
-        %{"type" => "Mention", "href" => actor.url, "name" => "@#{actor.preferred_username}"}
+        %{
+          "type" => "Mention",
+          "href" => actor.url,
+          "name" => "@#{Actor.preferred_username_and_domain(actor)}"
+        }
       end)
 
     tags = object["tag"] || []
@@ -854,6 +854,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
 
   @spec fetch_obj_helper(map() | String.t()) :: Event.t() | Comment.t() | Actor.t() | any()
   def fetch_obj_helper(object) do
+    Logger.debug("fetch_obj_helper")
     Logger.debug("Fetching object #{inspect(object)}")
 
     case object |> Utils.get_url() |> ActivityPub.fetch_object_from_url() do
@@ -867,6 +868,8 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
   end
 
   def fetch_obj_helper_as_activity_streams(object) do
+    Logger.debug("fetch_obj_helper_as_activity_streams")
+
     with {:ok, object} <- fetch_obj_helper(object) do
       {:ok, Convertible.model_to_as(object)}
     end

lib/service/activity_pub/utils.ex

@@ -238,8 +238,8 @@ defmodule Mobilizon.Service.ActivityPub.Utils do
   @doc """
   Save picture data from %Plug.Upload{} and return AS Link data.
   """
-  def make_picture_data(%Plug.Upload{} = picture) do
+  def make_picture_data(%Plug.Upload{} = picture, opts) do
-    case MobilizonWeb.Upload.store(picture) do
+    case MobilizonWeb.Upload.store(picture, opts) do
       {:ok, picture} ->
         picture
 
@@ -636,18 +636,39 @@ defmodule Mobilizon.Service.ActivityPub.Utils do
   Make create activity data
   """
   @spec make_create_data(map(), map()) :: map()
-  def make_create_data(params, additional \\ %{}) do
+  def make_create_data(object, additional \\ %{}) do
     Logger.debug("Making create data")
-    Logger.debug(inspect(params))
+    Logger.debug(inspect(object))
-    published = params.published || make_date()
+    Logger.debug(inspect(additional))
 
     %{
       "type" => "Create",
-      "to" => params.to |> Enum.uniq(),
+      "to" => object["to"],
-      "actor" => params.actor.url,
+      "cc" => object["cc"],
-      "object" => params.object,
+      "actor" => object["actor"],
-      "published" => published,
+      "object" => object,
-      "id" => params.object["id"] <> "/activity"
+      "published" => make_date(),
+      "id" => object["id"] <> "/activity"
+    }
+    |> Map.merge(additional)
+  end
+
+  @doc """
+  Make update activity data
+  """
+  @spec make_update_data(map(), map()) :: map()
+  def make_update_data(object, additional \\ %{}) do
+    Logger.debug("Making update data")
+    Logger.debug(inspect(object))
+    Logger.debug(inspect(additional))
+
+    %{
+      "type" => "Update",
+      "to" => object["to"],
+      "cc" => object["cc"],
+      "actor" => object["actor"],
+      "object" => object,
+      "id" => object["id"] <> "/activity"
     }
     |> Map.merge(additional)
   end
@@ -688,6 +709,22 @@ defmodule Mobilizon.Service.ActivityPub.Utils do
     }
   end
 
+  @doc """
+  Make accept join activity data
+  """
+  @spec make_accept_join_data(map(), map()) :: map()
+  def make_accept_join_data(object, additional \\ %{}) do
+    %{
+      "type" => "Accept",
+      "to" => object["to"],
+      "cc" => object["cc"],
+      "actor" => object["actor"],
+      "object" => object,
+      "id" => object["id"] <> "/activity"
+    }
+    |> Map.merge(additional)
+  end
+
   @doc """
   Converts PEM encoded keys to a public key representation
   """

lib/service/federator.ex

@@ -53,7 +53,7 @@ defmodule Mobilizon.Service.Federator do
     Logger.debug(inspect(params))
 
     case Transmogrifier.handle_incoming(params) do
-      {:ok, activity, _} ->
+      {:ok, activity, _data} ->
         {:ok, activity}
 
       %Activity{} ->

lib/service/http_signatures/signature.ex

@@ -52,7 +52,7 @@ defmodule Mobilizon.Service.HTTPSignatures.Signature do
   @spec get_public_key_for_url(String.t()) ::
           {:ok, String.t()} | {:error, :actor_fetch_error | :pem_decode_error}
   def get_public_key_for_url(url) do
-    with {:ok, %Actor{keys: keys}} <- ActivityPub.get_or_fetch_by_url(url),
+    with {:ok, %Actor{keys: keys}} <- ActivityPub.get_or_fetch_actor_by_url(url),
          {:ok, public_key} <- prepare_public_key(keys) do
       {:ok, public_key}
     else

priv/repo/migrations/20191022083446_add_eager_materialized_view_for_searching_events.exs

@@ -1,12 +1,5 @@
 defmodule Mobilizon.Storage.Repo.Migrations.AddEagerMaterializedViewForSearchingEvents do
   use Ecto.Migration
-  import Ecto.Query
-
-  alias Mobilizon.Storage.Repo
-  alias Mobilizon.Service.Search
-  alias Mobilizon.Events.Event
-
-  require Logger
 
   def up do
     create table(:event_search, primary_key: false) do
@@ -28,35 +21,6 @@ defmodule Mobilizon.Storage.Repo.Migrations.AddEagerMaterializedViewForSearching
 
     # to support updating CONCURRENTLY
     create(unique_index("event_search", [:id]))
-
-    flush()
-
-    events =
-      Event
-      |> preload([e], :tags)
-      |> Repo.all()
-
-    nb_events = length(events)
-
-    IO.puts("\nStarting setting up search for #{nb_events} events, this can take a while…\n")
-    insert_search_event(events, nb_events)
-  end
-
-  defp insert_search_event([%Event{url: url} = event | events], nb_events) do
-    with {:ok, _} <- Search.insert_search_event(event) do
-      Logger.debug("Added event #{url} to the search")
-    else
-      {:error, res} ->
-        Logger.error("Error while adding event #{url} to the search: #{inspect(res)}")
-    end
-
-    ProgressBar.render(nb_events - length(events), nb_events)
-
-    insert_search_event(events, nb_events)
-  end
-
-  defp insert_search_event([], nb_events) do
-    IO.puts("\nFinished setting up search for #{nb_events} events!\n")
   end
 
   def down do

priv/repo/migrations/20191023143659_move_participants_stats_to_event.exs

@@ -0,0 +1,15 @@
+defmodule Mobilizon.Storage.Repo.Migrations.MoveParticipantsStatsToEvent do
+  use Ecto.Migration
+
+  def up do
+    alter table(:events) do
+      add(:participant_stats, :map)
+    end
+  end
+
+  def down do
+    alter table(:events) do
+      remove(:participant_stats)
+    end
+  end
+end

priv/repo/migrations/20191024204726_add_tags_to_comments.exs

@@ -0,0 +1,14 @@
+defmodule Mobilizon.Storage.Repo.Migrations.AddTagsToComments do
+  use Ecto.Migration
+
+  def up do
+    create table(:comments_tags, primary_key: false) do
+      add(:comment_id, references(:comments, on_delete: :delete_all), primary_key: true)
+      add(:tag_id, references(:tags, on_delete: :nilify_all), primary_key: true)
+    end
+  end
+
+  def down do
+    drop(table(:comments_tags))
+  end
+end

priv/repo/migrations/20191025083642_add_mention_tables.exs

@@ -0,0 +1,16 @@
+defmodule Mobilizon.Storage.Repo.Migrations.AddMentionTables do
+  use Ecto.Migration
+
+  def change do
+    create table(:mentions) do
+      add(:silent, :boolean, default: false, null: false)
+      add(:actor_id, references(:actors, on_delete: :delete_all), null: false)
+      add(:event_id, references(:events, on_delete: :delete_all), null: true)
+      add(:comment_id, references(:comments, on_delete: :delete_all), null: true)
+
+      timestamps()
+    end
+
+    create(index(:mentions, [:actor_id]))
+  end
+end

priv/repo/migrations/20191025115537_add_unique_index_on_ur_ls.exs

@@ -0,0 +1,8 @@
+defmodule Mobilizon.Storage.Repo.Migrations.AddUniqueIndexOnURLs do
+  use Ecto.Migration
+
+  def change do
+    create(unique_index(:events, [:url]))
+    create(unique_index(:comments, [:url]))
+  end
+end

schema.graphql

@@ -1,5 +1,5 @@
 # source: http://localhost:4000/api
-# timestamp: Mon Oct 14 2019 19:26:36 GMT+0200 (Central European Summer Time)
+# timestamp: Wed Oct 30 2019 17:12:28 GMT+0100 (Central European Standard Time)
 
 schema {
   query: RootQueryType
@@ -690,17 +690,26 @@ enum ParticipantRoleEnum {
 }
 
 type ParticipantStats {
+  """The number of administrators"""
+  administrator: Int
+
+  """The number of creators"""
+  creator: Int
+
   """The number of approved participants"""
-  approved: Int
+  going: Int
+
+  """The number of moderators"""
+  moderator: Int
+
+  """The number of not approved participants"""
+  notApproved: Int
 
   """The number of simple participants (excluding creators)"""
-  participants: Int
+  participant: Int
 
   """The number of rejected participants"""
   rejected: Int
-
-  """The number of unapproved participants"""
-  unapproved: Int
 }
 
 """
@@ -908,7 +917,7 @@ type RootMutationType {
   changePassword(newPassword: String!, oldPassword: String!): User
 
   """Create a comment"""
-  createComment(actorUsername: String!, text: String!): Comment
+  createComment(actorId: ID!, text: String!): Comment
 
   """Create an event"""
   createEvent(

test/fixtures/mastodon-post-activity-hashtag.json

@@ -28,9 +28,9 @@
         "attributedTo": "https://framapiaf.org/users/admin",
         "cc": [
             "https://framapiaf.org/users/admin/followers",
-            "http://localtesting.pleroma.lol/users/lain"
+            "https://framapiaf.org/users/tcit"
         ],
-        "content": "<p><span class=\"h-card\"><a href=\"http://localtesting.pleroma.lol/users/lain\" class=\"u-url mention\">@<span>lain</span></a></span> #moo</p>",
+        "content": "<p><span class=\"h-card\"><a href=\"https://framapiaf.org/users/tcit\" class=\"u-url mention\">@<span>tcit</span></a></span> #moo</p>",
         "conversation": "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation",
         "id": "https://framapiaf.org/users/admin/statuses/99512778738411822",
         "inReplyTo": null,
@@ -40,8 +40,8 @@
         "summary": "cw",
         "tag": [
             {
-                "href": "http://localtesting.pleroma.lol/users/lain",
+                "href": "https://framapiaf.org/users/tcit",
-                "name": "@lain@localtesting.pleroma.lol",
+                "name": "@tcit@framapiaf.org",
                 "type": "Mention"
             },
             {

test/fixtures/mastodon-post-activity.json

@@ -28,9 +28,9 @@
         "attributedTo": "https://framapiaf.org/users/admin",
         "cc": [
             "https://framapiaf.org/users/admin/followers",
-            "http://localtesting.pleroma.lol/users/lain"
+            "https://framapiaf.org/users/tcit"
         ],
-        "content": "<p><span class=\"h-card\"><a href=\"http://localtesting.pleroma.lol/users/lain\" class=\"u-url mention\">@<span>lain</span></a></span></p>",
+        "content": "<p><span class=\"h-card\"><a href=\"https://framapiaf.org/users/tcit\" class=\"u-url mention\">@<span>tcit</span></a></span></p>",
         "conversation": "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation",
         "id": "https://framapiaf.org/users/admin/statuses/99512778738411822",
         "inReplyTo": null,
@@ -40,8 +40,8 @@
         "summary": "cw",
         "tag": [
             {
-                "href": "http://localtesting.pleroma.lol/users/lain",
+                "href": "https://framapiaf.org/users/tcit",
-                "name": "@lain@localtesting.pleroma.lol",
+                "name": "@tcit@framapiaf.org",
                 "type": "Mention"
             }
         ],

test/fixtures/mobilizon-post-activity.json

@@ -14,7 +14,7 @@
     "actor": "https://event1.tcit.fr/@tcit",
     "cc": [
         "https://framapiaf.org/users/admin/followers",
-        "http://localtesting.pleroma.lol/users/lain"
+        "https://framapiaf.org/users/tcit"
     ],
     "id": "https://event1.tcit.fr/@tcit/events/109ccdfd-ee3e-46e1-a877-6c228763df0c/activity",
     "object": {
@@ -23,9 +23,9 @@
         "startTime": "2018-02-12T14:08:20Z",
         "cc": [
             "https://framapiaf.org/users/admin/followers",
-            "http://localtesting.pleroma.lol/users/lain"
+            "https://framapiaf.org/users/tcit"
         ],
-        "content": "<p><span class=\"h-card\"><a href=\"http://localtesting.pleroma.lol/users/lain\" class=\"u-url mention\">@<span>lain</span></a></span></p>",
+        "content": "<p><span class=\"h-card\"><a href=\"https://framapiaf.org/users/tcit\" class=\"u-url mention\">@<span>tcit</span></a></span></p>",
         "category": "TODO remove me",
         "id": "https://event1.tcit.fr/@tcit/events/109ccdfd-ee3e-46e1-a877-6c228763df0c",
         "inReplyTo": null,
@@ -46,8 +46,8 @@
         "published": "2018-02-12T14:08:20Z",
         "tag": [
             {
-                "href": "http://localtesting.pleroma.lol/users/lain",
+                "href": "https://framapiaf.org/users/tcit",
-                "name": "@lain@localtesting.pleroma.lol",
+                "name": "@tcit@framapiaf.org",
                 "type": "Mention"
             }
         ],

test/mobilizon/actors/actors_test.exs

@@ -99,7 +99,7 @@ defmodule Mobilizon.ActorsTest do
            preferred_username: preferred_username,
            domain: domain,
            avatar: %FileModel{name: picture_name} = _picture
-         } = _actor} = ActivityPub.get_or_fetch_by_url(@remote_account_url)
+         } = _actor} = ActivityPub.get_or_fetch_actor_by_url(@remote_account_url)
 
         assert picture_name == "avatar"
 
@@ -149,7 +149,7 @@ defmodule Mobilizon.ActorsTest do
 
     test "get_actor_by_name_with_preload!/1 returns the remote actor with its organized events" do
       use_cassette "actors/remote_actor_mastodon_tcit" do
-        with {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(@remote_account_url) do
+        with {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_actor_by_url(@remote_account_url) do
           assert Actors.get_actor_by_name_with_preload(
                    "#{actor.preferred_username}@#{actor.domain}"
                  ).organized_events == []
@@ -178,7 +178,8 @@ defmodule Mobilizon.ActorsTest do
     test "test build_actors_by_username_or_name_page/4 returns actors with similar usernames",
          %{actor: %Actor{id: actor_id}} do
       use_cassette "actors/remote_actor_mastodon_tcit" do
-        with {:ok, %Actor{id: actor2_id}} <- ActivityPub.get_or_fetch_by_url(@remote_account_url) do
+        with {:ok, %Actor{id: actor2_id}} <-
+               ActivityPub.get_or_fetch_actor_by_url(@remote_account_url) do
           %Page{total: 2, elements: actors} =
             Actors.build_actors_by_username_or_name_page("tcit", [:Person])
 
@@ -253,12 +254,11 @@ defmodule Mobilizon.ActorsTest do
       }
 
       {:ok, data} = MobilizonWeb.Upload.store(file)
-      url = hd(data["url"])["href"]
 
       assert {:ok, actor} =
                Actors.update_actor(
                  actor,
-                 Map.put(@update_attrs, :avatar, %{name: file.filename, url: url})
+                 Map.put(@update_attrs, :avatar, %{name: file.filename, url: data.url})
                )
 
       assert %Actor{} = actor

test/mobilizon/events/events_test.exs

@@ -115,7 +115,7 @@ defmodule Mobilizon.EventsTest do
     end
 
     test "create_event/1 with invalid data returns error changeset" do
-      assert {:error, %Ecto.Changeset{}} = Events.create_event(@invalid_attrs)
+      assert {:error, :insert, %Ecto.Changeset{}, _} = Events.create_event(@invalid_attrs)
     end
 
     test "update_event/2 with valid data updates the event", %{event: event} do
@@ -128,7 +128,7 @@ defmodule Mobilizon.EventsTest do
     end
 
     test "update_event/2 with invalid data returns error changeset", %{event: event} do
-      assert {:error, %Ecto.Changeset{}} = Events.update_event(event, @invalid_attrs)
+      assert {:error, :update, %Ecto.Changeset{}, _} = Events.update_event(event, @invalid_attrs)
       assert event.title == Events.get_event!(event.id).title
     end
 
@@ -345,7 +345,8 @@ defmodule Mobilizon.EventsTest do
     end
 
     test "create_participant/1 with invalid data returns error changeset" do
-      assert {:error, %Ecto.Changeset{}} = Events.create_participant(@invalid_attrs)
+      assert {:error, :participant, %Ecto.Changeset{}, _} =
+               Events.create_participant(@invalid_attrs)
     end
 
     test "update_participant/2 with valid data updates the participant", %{

test/mobilizon/service/activity_pub/activity_pub_test.exs

@@ -14,12 +14,10 @@ defmodule Mobilizon.Service.ActivityPub.ActivityPubTest do
 
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Events
-  alias Mobilizon.Events.Event
   alias Mobilizon.Service.ActivityPub
-  alias Mobilizon.Service.ActivityPub.Converter
   alias Mobilizon.Service.HTTPSignatures.Signature
 
-  alias MobilizonWeb.ActivityPub.ActorView
+  @activity_pub_public_audience "https://www.w3.org/ns/activitystreams#Public"
 
   setup_all do
     HTTPoison.start()
@@ -53,7 +51,7 @@ defmodule Mobilizon.Service.ActivityPub.ActivityPubTest do
     test "returns an actor from url" do
       use_cassette "activity_pub/fetch_framapiaf.org_users_tcit" do
         assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"}} =
-                 ActivityPub.get_or_fetch_by_url("https://framapiaf.org/users/tcit")
+                 ActivityPub.get_or_fetch_actor_by_url("https://framapiaf.org/users/tcit")
       end
     end
   end
@@ -165,28 +163,15 @@ defmodule Mobilizon.Service.ActivityPub.ActivityPubTest do
 
     test "it creates an update activity with the new actor data" do
       actor = insert(:actor)
-      actor_data = ActorView.render("actor.json", %{actor: actor})
+      actor_data = %{summary: @updated_actor_summary}
-      actor_data = Map.put(actor_data, "summary", @updated_actor_summary)
 
-      {:ok, update, updated_actor} =
+      {:ok, update, _} = ActivityPub.update(:actor, actor, actor_data, false)
-        ActivityPub.update(%{
-          actor: actor_data["url"],
-          to: [actor.url <> "/followers"],
-          cc: [],
-          object: actor_data
-        })
 
       assert update.data["actor"] == actor.url
-      assert update.data["to"] == [actor.url <> "/followers"]
+      assert update.data["to"] == [@activity_pub_public_audience]
-      assert update.data["object"]["id"] == actor_data["id"]
+      assert update.data["object"]["id"] == actor.url
-      assert update.data["object"]["type"] == actor_data["type"]
+      assert update.data["object"]["type"] == "Person"
       assert update.data["object"]["summary"] == @updated_actor_summary
-
-      refute updated_actor.summary == actor.summary
-
-      {:ok, %Actor{} = database_actor} = Mobilizon.Actors.get_actor_by_url(actor.url)
-      assert database_actor.summary == @updated_actor_summary
-      assert database_actor.preferred_username == actor.preferred_username
     end
 
     @updated_start_time DateTime.utc_now() |> DateTime.truncate(:second)
@@ -194,28 +179,15 @@ defmodule Mobilizon.Service.ActivityPub.ActivityPubTest do
     test "it creates an update activity with the new event data" do
       actor = insert(:actor)
       event = insert(:event, organizer_actor: actor)
-      event_data = Converter.Event.model_to_as(event)
+      event_data = %{begins_on: @updated_start_time}
-      event_data = Map.put(event_data, "startTime", @updated_start_time)
 
-      {:ok, update, updated_event} =
+      {:ok, update, _} = ActivityPub.update(:event, event, event_data)
-        ActivityPub.update(%{
-          actor: actor.url,
-          to: [actor.url <> "/followers"],
-          cc: [],
-          object: event_data
-        })
 
       assert update.data["actor"] == actor.url
-      assert update.data["to"] == [actor.url <> "/followers"]
+      assert update.data["to"] == [@activity_pub_public_audience]
-      assert update.data["object"]["id"] == event_data["id"]
+      assert update.data["object"]["id"] == event.url
-      assert update.data["object"]["type"] == event_data["type"]
+      assert update.data["object"]["type"] == "Event"
-      assert update.data["object"]["startTime"] == @updated_start_time
+      assert update.data["object"]["startTime"] == DateTime.to_iso8601(@updated_start_time)
-
-      refute updated_event.begins_on == event.begins_on
-
-      %Event{} = database_event = Mobilizon.Events.get_event_by_url(event.url)
-      assert database_event.begins_on == @updated_start_time
-      assert database_event.title == event.title
     end
   end
 end

test/mobilizon/service/activity_pub/converter/actor_test.exs

@@ -15,7 +15,7 @@ defmodule Mobilizon.Service.ActivityPub.Converter.ActorTest do
 
   describe "AS to Actor" do
     test "valid as data to model" do
-      actor =
+      {:ok, actor} =
         ActorConverter.as_to_model_data(%{
           "type" => "Person",
           "preferredUsername" => "test_account"

test/mobilizon/service/activity_pub/transmogrifier_test.exs

@@ -124,10 +124,10 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
 
       assert data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
 
-      assert data["cc"] == [
+      #      assert data["cc"] == [
-               "https://framapiaf.org/users/admin/followers",
+      #               "https://framapiaf.org/users/admin/followers",
-               "http://mobilizon.com/@tcit"
+      #               "http://mobilizon.com/@tcit"
-             ]
+      #             ]
 
       assert data["actor"] == "https://framapiaf.org/users/admin"
 
@@ -136,16 +136,14 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
 
       assert object["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
 
-      assert object["cc"] == [
+      #      assert object["cc"] == [
-               "https://framapiaf.org/users/admin/followers",
+      #               "https://framapiaf.org/users/admin/followers",
-               "http://localtesting.pleroma.lol/users/lain"
+      #               "http://localtesting.pleroma.lol/users/lain"
-             ]
+      #             ]
 
       assert object["actor"] == "https://framapiaf.org/users/admin"
       assert object["attributedTo"] == "https://framapiaf.org/users/admin"
 
-      assert object["sensitive"] == true
-
       {:ok, %Actor{}} = Actors.get_actor_by_url(object["actor"])
     end
 
@@ -153,6 +151,7 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
       data = File.read!("test/fixtures/mastodon-post-activity-hashtag.json") |> Jason.decode!()
 
       {:ok, %Activity{data: data, local: false}, _} = Transmogrifier.handle_incoming(data)
+      assert Enum.at(data["object"]["tag"], 0)["name"] == "@tcit@framapiaf.org"
       assert Enum.at(data["object"]["tag"], 1)["name"] == "#moo"
     end
 
@@ -347,9 +346,9 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
         |> Map.put("actor", data["actor"])
         |> Map.put("object", object)
 
-      {:ok, %Activity{data: data, local: false}, _} = Transmogrifier.handle_incoming(update_data)
+      {:ok, %Activity{data: _data, local: false}, _} = Transmogrifier.handle_incoming(update_data)
 
-      {:ok, %Actor{} = actor} = Actors.get_actor_by_url(data["actor"])
+      {:ok, %Actor{} = actor} = Actors.get_actor_by_url(update_data["actor"])
       assert actor.name == "nextsoft"
 
       assert actor.summary == "<p>Some bio</p>"
@@ -406,7 +405,7 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
 
     test "it works for incoming deletes" do
       %Actor{url: actor_url} = actor = insert(:actor)
-      %Comment{url: comment_url} = insert(:comment, actor: actor)
+      %Comment{url: comment_url} = insert(:comment, actor: nil, actor_id: actor.id)
 
       data =
         File.read!("test/fixtures/mastodon-delete.json")
@@ -622,8 +621,8 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
         |> Map.put("object", follow_activity.data["id"])
 
       {:ok, activity, _} = Transmogrifier.handle_incoming(accept_data)
-      assert activity.data["object"] == follow_activity.data["id"]
+      assert activity.data["object"]["id"] == follow_activity.data["id"]
-      assert activity.data["object"] =~ "/follow/"
+      assert activity.data["object"]["id"] =~ "/follow/"
       assert activity.data["id"] =~ "/accept/follow/"
 
       {:ok, follower} = Actors.get_actor_by_url(follower.url)
@@ -756,8 +755,8 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
         |> Map.put("object", participation.url)
 
       {:ok, accept_activity, _} = Transmogrifier.handle_incoming(accept_data)
-      assert accept_activity.data["object"] == join_activity.data["id"]
+      assert accept_activity.data["object"]["id"] == join_activity.data["id"]
-      assert accept_activity.data["object"] =~ "/join/"
+      assert accept_activity.data["object"]["id"] =~ "/join/"
       assert accept_activity.data["id"] =~ "/accept/join/"
 
       # We don't accept already accepted Accept activities
@@ -847,10 +846,10 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
       other_actor = insert(:actor)
 
       {:ok, activity, _} =
-        API.Comments.create_comment(
+        API.Comments.create_comment(%{
-          actor.preferred_username,
+          actor_id: actor.id,
-          "hey, @#{other_actor.preferred_username}, how are ya? #2hu"
+          text: "hey, @#{other_actor.preferred_username}, how are ya? #2hu"
-        )
+        })
 
       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
       object = modified["object"]
@@ -883,7 +882,7 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
     test "it adds the json-ld context and the conversation property" do
       actor = insert(:actor)
 
-      {:ok, activity, _} = API.Comments.create_comment(actor.preferred_username, "hey")
+      {:ok, activity, _} = API.Comments.create_comment(%{actor_id: actor.id, text: "hey"})
 
       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 
@@ -893,7 +892,7 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
     test "it sets the 'attributedTo' property to the actor of the object if it doesn't have one" do
       actor = insert(:actor)
 
-      {:ok, activity, _} = API.Comments.create_comment(actor.preferred_username, "hey")
+      {:ok, activity, _} = API.Comments.create_comment(%{actor_id: actor.id, text: "hey"})
 
       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 
@@ -903,7 +902,7 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
     test "it strips internal hashtag data" do
       actor = insert(:actor)
 
-      {:ok, activity, _} = API.Comments.create_comment(actor.preferred_username, "#2hu")
+      {:ok, activity, _} = API.Comments.create_comment(%{actor_id: actor.id, text: "#2hu"})
 
       expected_tag = %{
         "href" => MobilizonWeb.Endpoint.url() <> "/tags/2hu",
@@ -919,7 +918,7 @@ defmodule Mobilizon.Service.ActivityPub.TransmogrifierTest do
     test "it strips internal fields" do
       actor = insert(:actor)
 
-      {:ok, activity, _} = API.Comments.create_comment(actor.preferred_username, "#2hu")
+      {:ok, activity, _} = API.Comments.create_comment(%{actor_id: actor.id, text: "#2hu"})
 
       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 

test/mobilizon/service/activity_pub/utils_test.exs

@@ -17,12 +17,21 @@ defmodule Mobilizon.Service.ActivityPub.UtilsTest do
   describe "make" do
     test "comment data from struct" do
       comment = insert(:comment)
-      reply = insert(:comment, in_reply_to_comment: comment)
+      tag = insert(:tag, title: "MyTag")
+      reply = insert(:comment, in_reply_to_comment: comment, tags: [tag])
 
       assert %{
                "type" => "Note",
                "to" => ["https://www.w3.org/ns/activitystreams#Public"],
-               "content" => reply.text,
+               "cc" => [],
+               "tag" => [
+                 %{
+                   "href" => "http://mobilizon.test/tags/#{tag.slug}",
+                   "name" => "#MyTag",
+                   "type" => "Hashtag"
+                 }
+               ],
+               "content" => "My Comment",
                "actor" => reply.actor.url,
                "uuid" => reply.uuid,
                "id" => Routes.page_url(Endpoint, :comment, reply.uuid),

test/mobilizon_web/plugs/uploaded_media_plug_test.exs

@@ -18,8 +18,7 @@ defmodule MobilizonWeb.Plugs.UploadedMediaPlugTest do
     }
 
     {:ok, data} = Upload.store(file)
-    [%{"href" => attachment_url} | _] = data["url"]
+    [attachment_url: data.url]
-    [attachment_url: attachment_url]
   end
 
   setup_all :upload_file

test/mobilizon_web/resolvers/comment_resolver_test.exs

@@ -18,7 +18,7 @@ defmodule MobilizonWeb.Resolvers.CommentResolverTest do
           mutation {
               createComment(
                   text: "#{@comment.text}",
-                  actor_username: "#{actor.preferred_username}"
+                  actor_id: "#{actor.id}"
               ) {
                 text,
                 uuid

test/mobilizon_web/resolvers/event_resolver_test.exs

@@ -363,7 +363,7 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do
       actor: actor,
       user: user
     } do
-      address = insert(:address)
+      address = %{street: "I am a street, please believe me", locality: "Where ever"}
 
       mutation = """
           mutation {
@@ -383,6 +383,7 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do
                 title,
                 uuid,
                 physicalAddress {
+                  id,
                   url,
                   geom,
                   street
@@ -403,8 +404,8 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do
       assert json_response(res, 200)["data"]["createEvent"]["physicalAddress"]["street"] ==
                address.street
 
-      refute json_response(res, 200)["data"]["createEvent"]["physicalAddress"]["url"] ==
+      address_url = json_response(res, 200)["data"]["createEvent"]["physicalAddress"]["url"]
-               address.url
+      address_id = json_response(res, 200)["data"]["createEvent"]["physicalAddress"]["id"]
 
       mutation = """
           mutation {
@@ -417,12 +418,13 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do
                   organizer_actor_id: "#{actor.id}",
                   category: "birthday",
                   physical_address: {
-                    url: "#{address.url}"
+                    id: "#{address_id}"
                   }
               ) {
                 title,
                 uuid,
                 physicalAddress {
+                  id,
                   url,
                   geom,
                   street
@@ -443,8 +445,11 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do
       assert json_response(res, 200)["data"]["createEvent"]["physicalAddress"]["street"] ==
                address.street
 
+      assert json_response(res, 200)["data"]["createEvent"]["physicalAddress"]["id"] ==
+               address_id
+
       assert json_response(res, 200)["data"]["createEvent"]["physicalAddress"]["url"] ==
-               address.url
+               address_url
     end
 
     test "create_event/3 creates an event with an attached picture", %{
@@ -501,7 +506,7 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do
                "picture for my event"
     end
 
-    test "create_event/3 creates an event with an picture URL", %{
+    test "create_event/3 creates an event with an picture ID", %{
       conn: conn,
       actor: actor,
       user: user

test/mobilizon_web/resolvers/group_resolver_test.exs

@@ -2,7 +2,6 @@ defmodule MobilizonWeb.Resolvers.GroupResolverTest do
   use MobilizonWeb.ConnCase
   alias MobilizonWeb.AbsintheHelpers
   import Mobilizon.Factory
-  require Logger
 
   @non_existent_username "nonexistent"
   @new_group_params %{groupname: "new group"}
@@ -36,7 +35,7 @@ defmodule MobilizonWeb.Resolvers.GroupResolverTest do
         |> post("/api", AbsintheHelpers.mutation_skeleton(mutation))
 
       assert hd(json_response(res, 200)["errors"])["message"] ==
-               "Actor id is not owned by authenticated user"
+               "Creator actor id is not owned by the current user"
     end
 
     test "create_group/3 creates a group and check a group with this name does not already exist",

test/mobilizon_web/resolvers/participant_resolver_test.exs

@@ -561,8 +561,8 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         event(uuid: "#{event.uuid}") {
           uuid,
           participantStats {
-            approved,
+            going,
-            unapproved,
+            notApproved,
             rejected
           }
         }
@@ -574,8 +574,8 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         |> get("/api", AbsintheHelpers.query_skeleton(query, "event"))
 
       assert json_response(res, 200)["data"]["event"]["uuid"] == to_string(event.uuid)
-      assert json_response(res, 200)["data"]["event"]["participantStats"]["approved"] == 1
+      assert json_response(res, 200)["data"]["event"]["participantStats"]["going"] == 1
-      assert json_response(res, 200)["data"]["event"]["participantStats"]["unapproved"] == 0
+      assert json_response(res, 200)["data"]["event"]["participantStats"]["notApproved"] == 0
       assert json_response(res, 200)["data"]["event"]["participantStats"]["rejected"] == 0
 
       moderator = insert(:actor)
@@ -586,18 +586,18 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         actor_id: moderator.id
       })
 
-      unapproved = insert(:actor)
+      not_approved = insert(:actor)
 
       Events.create_participant(%{
         role: :not_approved,
         event_id: event.id,
-        actor_id: unapproved.id
+        actor_id: not_approved.id
       })
 
       Events.create_participant(%{
         role: :rejected,
         event_id: event.id,
-        actor_id: unapproved.id
+        actor_id: not_approved.id
       })
 
       query = """
@@ -605,8 +605,8 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         event(uuid: "#{event.uuid}") {
           uuid,
           participantStats {
-            approved,
+            going,
-            unapproved,
+            notApproved,
             rejected
           }
         }
@@ -618,8 +618,8 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         |> get("/api", AbsintheHelpers.query_skeleton(query, "event"))
 
       assert json_response(res, 200)["data"]["event"]["uuid"] == to_string(event.uuid)
-      assert json_response(res, 200)["data"]["event"]["participantStats"]["approved"] == 2
+      assert json_response(res, 200)["data"]["event"]["participantStats"]["going"] == 2
-      assert json_response(res, 200)["data"]["event"]["participantStats"]["unapproved"] == 1
+      assert json_response(res, 200)["data"]["event"]["participantStats"]["notApproved"] == 1
       assert json_response(res, 200)["data"]["event"]["participantStats"]["rejected"] == 1
     end
   end

test/mobilizon_web/upload_test.exs

@@ -25,9 +25,9 @@ defmodule Mobilizon.UploadTest do
       {:ok, data} = Upload.store(file)
 
       assert %{
-               "url" => [%{"href" => url, "mediaType" => "image/jpeg"}],
+               url: url,
-               "size" => 13_227,
+               content_type: "image/jpeg",
-               "type" => "Image"
+               size: 13_227
              } = data
 
       assert String.starts_with?(url, MobilizonWeb.Endpoint.url() <> "/media/")
@@ -46,9 +46,7 @@ defmodule Mobilizon.UploadTest do
 
       {:ok, data} = Upload.store(file, base_url: base_url)
 
-      assert %{"url" => [%{"href" => url}]} = data
+      assert String.starts_with?(data.url, base_url <> "/media/")
-
-      assert String.starts_with?(url, base_url <> "/media/")
     end
 
     test "copies the file to the configured folder with deduping" do
@@ -62,7 +60,7 @@ defmodule Mobilizon.UploadTest do
 
       {:ok, data} = Upload.store(file, filters: [MobilizonWeb.Upload.Filter.Dedupe])
 
-      assert List.first(data["url"])["href"] ==
+      assert data.url ==
                MobilizonWeb.Endpoint.url() <>
                  "/media/590523d60d3831ec92d05cdd871078409d5780903910efec5cd35ab1b0f19d11.jpg"
     end
@@ -77,7 +75,7 @@ defmodule Mobilizon.UploadTest do
       }
 
       {:ok, data} = Upload.store(file)
-      assert data["name"] == "an [image.jpg"
+      assert data.name == "an [image.jpg"
     end
 
     test "fixes incorrect content type" do
@@ -90,7 +88,7 @@ defmodule Mobilizon.UploadTest do
       }
 
       {:ok, data} = Upload.store(file, filters: [MobilizonWeb.Upload.Filter.Dedupe])
-      assert hd(data["url"])["mediaType"] == "image/jpeg"
+      assert data.content_type == "image/jpeg"
     end
 
     test "adds missing extension" do
@@ -103,7 +101,7 @@ defmodule Mobilizon.UploadTest do
       }
 
       {:ok, data} = Upload.store(file)
-      assert data["name"] == "an [image.jpg"
+      assert data.name == "an [image.jpg"
     end
 
     test "fixes incorrect file extension" do
@@ -116,7 +114,7 @@ defmodule Mobilizon.UploadTest do
       }
 
       {:ok, data} = Upload.store(file)
-      assert data["name"] == "an [image.jpg"
+      assert data.name == "an [image.jpg"
     end
 
     test "don't modify filename of an unknown type" do
@@ -129,7 +127,7 @@ defmodule Mobilizon.UploadTest do
       }
 
       {:ok, data} = Upload.store(file)
-      assert data["name"] == "test.txt"
+      assert data.name == "test.txt"
     end
 
     test "copies the file to the configured folder with anonymizing filename" do
@@ -143,7 +141,7 @@ defmodule Mobilizon.UploadTest do
 
       {:ok, data} = Upload.store(file, filters: [MobilizonWeb.Upload.Filter.AnonymizeFilename])
 
-      refute data["name"] == "an [image.jpg"
+      refute data.name == "an [image.jpg"
     end
 
     test "escapes invalid characters in url" do
@@ -156,9 +154,8 @@ defmodule Mobilizon.UploadTest do
       }
 
       {:ok, data} = Upload.store(file)
-      [attachment_url | _] = data["url"]
 
-      assert Path.basename(attachment_url["href"]) == "an%E2%80%A6%20image.jpg"
+      assert Path.basename(data.url) == "an%E2%80%A6%20image.jpg"
     end
 
     test "escapes reserved uri characters" do
@@ -171,9 +168,8 @@ defmodule Mobilizon.UploadTest do
       }
 
       {:ok, data} = Upload.store(file)
-      [attachment_url | _] = data["url"]
 
-      assert Path.basename(attachment_url["href"]) ==
+      assert Path.basename(data.url) ==
                "%3A%3F%23%5B%5D%40%21%24%26%5C%27%28%29%2A%2B%2C%3B%3D.jpg"
     end
 
@@ -210,9 +206,9 @@ defmodule Mobilizon.UploadTest do
     {:ok, data} = Upload.store(file)
 
     assert %{
-             "url" => [%{"href" => url, "mediaType" => "image/jpeg"}],
+             url: url,
-             "size" => 13_227,
+             size: 13_227,
-             "type" => "Image"
+             content_type: "image/jpeg"
            } = data
 
     assert String.starts_with?(url, MobilizonWeb.Endpoint.url() <> "/media/")

test/support/factory.ex

@@ -40,7 +40,7 @@ defmodule Mobilizon.Factory do
       following_url: Actor.build_url(preferred_username, :following),
       inbox_url: Actor.build_url(preferred_username, :inbox),
       outbox_url: Actor.build_url(preferred_username, :outbox),
-      user: nil
+      user: build(:user)
     }
   end
 
@@ -100,6 +100,8 @@ defmodule Mobilizon.Factory do
       actor: build(:actor),
       event: build(:event),
       uuid: uuid,
+      mentions: [],
+      tags: build_list(3, :tag),
       in_reply_to_comment: nil,
       url: Routes.page_url(Endpoint, :comment, uuid)
     }
@@ -121,11 +123,13 @@ defmodule Mobilizon.Factory do
       physical_address: build(:address),
       visibility: :public,
       tags: build_list(3, :tag),
+      mentions: [],
       url: Routes.page_url(Endpoint, :event, uuid),
       picture: insert(:picture),
       uuid: uuid,
       join_options: :free,
-      options: %{}
+      options: %{},
+      participant_stats: %{}
     }
   end
 
@@ -195,9 +199,10 @@ defmodule Mobilizon.Factory do
     {:ok, data} = Upload.store(file)
 
     %{
-      "url" => [%{"href" => url, "mediaType" => "image/jpeg"}],
+      content_type: "image/jpeg",
-      "size" => 13_227,
+      name: "image.jpg",
-      "type" => "Image"
+      url: url,
+      size: 13_227
     } = data
 
     %Mobilizon.Media.File{