defmodule MobilizonWeb.ActivityPub.ActorView do use MobilizonWeb, :view alias Mobilizon.Actors alias Mobilizon.Actors.Actor alias Mobilizon.Service.ActivityPub alias Mobilizon.Service.ActivityPub.{Activity, Utils, Convertible} @private_visibility_empty_collection %{elements: [], total: 0} def render("actor.json", %{actor: actor}) do actor |> Convertible.model_to_as() |> Map.merge(Utils.make_json_ld_header()) end def render("following.json", %{actor: actor, page: page}) do %{total: total, elements: following} = if Actor.is_public_visibility(actor), do: Actors.build_followings_for_actor(actor, page), else: @private_visibility_empty_collection following |> collection(actor.preferred_username, :following, page, total) |> Map.merge(Utils.make_json_ld_header()) end def render("following.json", %{actor: actor}) do %{total: total, elements: following} = if Actor.is_public_visibility(actor), do: Actors.build_followings_for_actor(actor), else: @private_visibility_empty_collection %{ "id" => Actor.build_url(actor.preferred_username, :following), "type" => "OrderedCollection", "totalItems" => total, "first" => collection(following, actor.preferred_username, :following, 1, total) } |> Map.merge(Utils.make_json_ld_header()) end def render("followers.json", %{actor: actor, page: page}) do %{total: total, elements: followers} = if Actor.is_public_visibility(actor), do: Actors.build_followers_for_actor(actor, page), else: @private_visibility_empty_collection followers |> collection(actor.preferred_username, :followers, page, total) |> Map.merge(Utils.make_json_ld_header()) end def render("followers.json", %{actor: actor}) do %{total: total, elements: followers} = if Actor.is_public_visibility(actor), do: Actors.build_followers_for_actor(actor), else: @private_visibility_empty_collection %{ "id" => Actor.build_url(actor.preferred_username, :followers), "type" => "OrderedCollection", "totalItems" => total, "first" => collection(followers, actor.preferred_username, :followers, 1, total) } |> Map.merge(Utils.make_json_ld_header()) end def render("outbox.json", %{actor: actor, page: page}) do %{total: total, elements: followers} = if Actor.is_public_visibility(actor), do: ActivityPub.fetch_public_activities_for_actor(actor, page), else: @private_visibility_empty_collection followers |> collection(actor.preferred_username, :outbox, page, total) |> Map.merge(Utils.make_json_ld_header()) end def render("outbox.json", %{actor: actor}) do %{total: total, elements: followers} = if Actor.is_public_visibility(actor), do: ActivityPub.fetch_public_activities_for_actor(actor), else: @private_visibility_empty_collection %{ "id" => Actor.build_url(actor.preferred_username, :outbox), "type" => "OrderedCollection", "totalItems" => total, "first" => collection(followers, actor.preferred_username, :outbox, 1, total) } |> Map.merge(Utils.make_json_ld_header()) end @spec collection(list(), String.t(), atom(), integer(), integer()) :: map() defp collection(collection, preferred_username, endpoint, page, total) when endpoint in [:followers, :following, :outbox] do offset = (page - 1) * 10 map = %{ "id" => Actor.build_url(preferred_username, endpoint, page: page), "type" => "OrderedCollectionPage", "partOf" => Actor.build_url(preferred_username, endpoint), "orderedItems" => Enum.map(collection, &item/1) } if offset < total do Map.put(map, "next", Actor.build_url(preferred_username, endpoint, page: page + 1)) end map end def item(%Activity{data: %{"id" => id}}), do: id def item(%Actor{url: url}), do: url end