259 lines
8 KiB
Elixir
259 lines
8 KiB
Elixir
defmodule Mobilizon.Web.JsonLD.ObjectView do
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use Mobilizon.Web, :view
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Addresses.Address
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alias Mobilizon.Events.{Event, EventOptions, Participant}
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alias Mobilizon.Posts.Post
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alias Mobilizon.Web.Endpoint
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alias Mobilizon.Web.JsonLD.ObjectView
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alias Mobilizon.Web.Router.Helpers, as: Routes
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import Mobilizon.Service.Metadata.Utils,
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only: [process_description: 3]
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@spec render(String.t(), map()) :: map()
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def render("group.json", %{group: %Actor{} = group}) do
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res = %{
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"@context" => "http://schema.org",
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"@type" => "Organization",
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"url" => group.url,
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"name" => group.name || group.preferred_username,
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"address" => render_address(group)
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}
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res =
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if group.banner do
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Map.put(res, "image", group.banner.url)
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else
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res
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end
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if group.physical_address do
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Map.put(
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res,
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"address",
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render_one(group.physical_address, ObjectView, "address.json", as: :address)
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)
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else
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res
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end
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end
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def render("event.json", %{event: %Event{} = event}) do
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organizer = %{
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"@type" => if(event.organizer_actor.type == :Group, do: "Organization", else: "Person"),
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"name" => Actor.display_name(event.organizer_actor)
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}
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organizer =
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if event.organizer_actor.avatar do
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Map.put(organizer, "image", event.organizer_actor.avatar.url)
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else
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organizer
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end
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participant_count = Mobilizon.Events.count_participant_participants(event.id)
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json_ld = %{
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"@context" => "https://schema.org",
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"@type" => "Event",
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"name" => event.title,
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"description" => process_description(event.description, "en", nil),
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# We assume for now performer == organizer
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"performer" => organizer,
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"organizer" => organizer,
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"location" => render_all_locations(event),
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"eventAttendanceMode" => event |> attendance_mode() |> event_attendance_mode(),
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"maximumAttendeeCapacity" => event.options.maximum_attendee_capacity,
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"remainingAttendeeCapacity" =>
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remaining_attendee_capacity(event.options, participant_count),
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"eventStatus" =>
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if(event.status == :cancelled,
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do: "https://schema.org/EventCancelled",
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else: "https://schema.org/EventScheduled"
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),
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"image" =>
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if(event.picture,
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do: [
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event.picture.file.url
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],
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else: ["#{Endpoint.url()}/img/mobilizon_default_card.png"]
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)
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}
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json_ld =
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if event.begins_on,
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do: Map.put(json_ld, "startDate", DateTime.to_iso8601(event.begins_on)),
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else: json_ld
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json_ld =
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if event.ends_on,
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do: Map.put(json_ld, "endDate", DateTime.to_iso8601(event.ends_on)),
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else: json_ld
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json_ld
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end
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def render("place.json", %{address: %Address{} = address}) do
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%{
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"@type" => "Place",
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"name" => address.description,
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"address" => render_one(address, ObjectView, "address.json", as: :address)
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}
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end
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def render("address.json", %{address: %Address{} = address}) do
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%{
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"@type" => "PostalAddress",
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"streetAddress" => address.street,
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"addressLocality" => address.locality,
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"postalCode" => address.postal_code,
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"addressRegion" => address.region,
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"addressCountry" => address.country
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}
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end
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def render("post.json", %{post: %Post{} = post}) do
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%{
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"@context" => "https://schema.org",
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"@type" => "Article",
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"name" => post.title,
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"headline" => post.title,
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"author" => %{
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"@type" => "Organization",
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"name" => Actor.display_name(post.attributed_to),
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"url" =>
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Endpoint
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|> Routes.page_url(
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:actor,
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Actor.preferred_username_and_domain(post.attributed_to)
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)
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|> URI.decode()
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},
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"datePublished" => post.publish_at,
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"dateModified" => post.updated_at,
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"image" =>
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if(post.picture,
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do: [
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post.picture.file.url
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],
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else: ["#{Endpoint.url()}/img/mobilizon_default_card.png"]
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)
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}
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end
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def render("participation.json", %{
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participant: %Participant{} = participant
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}) do
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res = %{
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"@context" => "http://schema.org",
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"@type" => "EventReservation",
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"underName" => %{
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"@type" => "Person",
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"name" => participant.actor.name || participant.actor.preferred_username
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},
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"reservationFor" => render("event.json", %{event: participant.event}),
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"reservationStatus" => reservation_status(participant.role),
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"modifiedTime" => participant.updated_at,
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"modifyReservationUrl" => Routes.page_url(Endpoint, :event, participant.event.uuid)
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}
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if participant.code do
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Map.put(res, "reservationNumber", participant.code)
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else
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res
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end
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end
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@spec reservation_status(atom()) :: String.t()
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defp reservation_status(:rejected), do: "https://schema.org/ReservationCancelled"
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defp reservation_status(:not_confirmed), do: "https://schema.org/ReservationPending"
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defp reservation_status(:not_approved), do: "https://schema.org/ReservationHold"
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defp reservation_status(_), do: "https://schema.org/ReservationConfirmed"
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defp render_all_locations(%Event{} = event) do
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[]
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|> render_location(event)
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|> render_virtual_location(event)
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|> maybe_render_single_element()
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end
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@spec render_location(list(), map()) :: list()
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defp render_location(locations, %{physical_address: %Address{} = address}),
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do: locations ++ [render_one(address, ObjectView, "place.json", as: :address)]
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defp render_location(locations, _), do: locations
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# For now the Virtual Location of an event is it's own URL,
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# but in the future it will be a special field
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defp render_virtual_location(locations, %Event{
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url: event_url,
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metadata: metadata,
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options: %EventOptions{is_online: is_online}
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}) do
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links = virtual_location_links(metadata)
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fallback_links = if is_online, do: [event_url], else: []
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links = if length(links) > 0, do: Enum.map(links, & &1.value), else: fallback_links
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locations ++
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Enum.map(
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links,
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&%{
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"@type" => "VirtualLocation",
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"url" => &1
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}
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)
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end
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defp render_virtual_location(locations, _), do: locations
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@spec maybe_render_single_element(list(map())) :: list(map()) | map()
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defp maybe_render_single_element([location]), do: location
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defp maybe_render_single_element(locations), do: locations
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defp render_address(%{physical_address: %Address{} = address}),
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do: render_one(address, ObjectView, "address.json", as: :address)
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defp render_address(_), do: nil
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defp event_attendance_mode(:online), do: "https://schema.org/OnlineEventAttendanceMode"
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defp event_attendance_mode(:offline), do: "https://schema.org/OfflineEventAttendanceMode"
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defp event_attendance_mode(:mixed), do: "https://schema.org/MixedEventAttendanceMode"
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defp attendance_mode(%Event{options: %EventOptions{is_online: true}}),
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do: :online
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defp attendance_mode(%Event{physical_address: %Address{}, metadata: metadata}) do
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if metadata |> virtual_location_links() |> length() > 0 do
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:mixed
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else
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:offline
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end
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end
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defp attendance_mode(%Event{}),
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do: :offline
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@livestream_keys ["mz:live", "mz:visio"]
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@spec virtual_location_links(list()) :: list()
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defp virtual_location_links(metadata),
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do: Enum.filter(metadata, &String.contains?(&1.key, @livestream_keys))
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# TODO: Make this in common with Mobilizon.Federation.ActivityStream.Converter.Event
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@spec remaining_attendee_capacity(map(), integer()) :: integer() | nil
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defp remaining_attendee_capacity(
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%{maximum_attendee_capacity: maximum_attendee_capacity},
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participant_count
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)
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when is_integer(maximum_attendee_capacity) and maximum_attendee_capacity > 0 do
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maximum_attendee_capacity - participant_count
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end
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defp remaining_attendee_capacity(
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%{maximum_attendee_capacity: _},
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_participant_count
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),
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do: nil
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end
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