defmodule EventosWeb.ActivityPub.ActorView do use EventosWeb, :view alias EventosWeb.ActivityPub.ActorView alias EventosWeb.ActivityPub.ObjectView alias EventosWeb.WebFinger alias Eventos.Actors.Actor alias Eventos.Repo alias Eventos.Service.ActivityPub alias Eventos.Service.ActivityPub.Transmogrifier alias Eventos.Service.ActivityPub.Utils alias Eventos.Activity import Ecto.Query def render("actor.json", %{actor: actor}) do public_key = Eventos.Service.ActivityPub.Utils.pem_to_public_key_pem(actor.keys) %{ "id" => actor.url, "type" => "Person", "following" => actor.following_url, "followers" => actor.followers_url, "inbox" => actor.inbox_url, "outbox" => actor.outbox_url, "preferredUsername" => actor.preferred_username, "name" => actor.name, "summary" => actor.summary, "url" => actor.url, "manuallyApprovesFollowers" => actor.manually_approves_followers, "publicKey" => %{ "id" => "#{actor.url}#main-key", "owner" => actor.url, "publicKeyPem" => public_key }, "endpoints" => %{ "sharedInbox" => actor.shared_inbox_url } # "icon" => %{ # "type" => "Image", # "url" => User.avatar_url(actor) # }, # "image" => %{ # "type" => "Image", # "url" => User.banner_url(actor) # } } |> Map.merge(Utils.make_json_ld_header()) end def render("following.json", %{actor: actor, page: page}) do actor |> Actor.get_followings() |> collection(actor.following_url, page) |> Map.merge(Utils.make_json_ld_header()) end def render("following.json", %{actor: actor}) do following = Actor.get_followings(actor) %{ "id" => actor.following_url, "type" => "OrderedCollection", "totalItems" => length(following), "first" => collection(following, actor.following_url, 1) } |> Map.merge(Utils.make_json_ld_header()) end def render("followers.json", %{actor: actor, page: page}) do actor |> Actor.get_followers() |> collection(actor.followers_url, page) |> Map.merge(Utils.make_json_ld_header()) end def render("followers.json", %{actor: actor}) do followers = Actor.get_followers(actor) %{ "id" => actor.followers_url, "type" => "OrderedCollection", "totalItems" => length(followers), "first" => collection(followers, actor.followers_url, 1) } |> Map.merge(Utils.make_json_ld_header()) end def render("outbox.json", %{actor: actor, page: page}) do {page, no_page} = if page == 0 do {1, true} else {page, false} end {activities, total} = ActivityPub.fetch_public_activities_for_actor(actor, page) collection = Enum.map(activities, fn act -> {:ok, data} = Transmogrifier.prepare_outgoing(act.data) data end) iri = "#{actor.url}/outbox" page = %{ "id" => "#{iri}?page=#{page}", "type" => "OrderedCollectionPage", "partOf" => iri, "totalItems" => total, "orderedItems" => render_many(activities, ActorView, "activity.json", as: :activity), "next" => "#{iri}?page=#{page + 1}" } if no_page do %{ "id" => iri, "type" => "OrderedCollection", "totalItems" => total, "first" => page } |> Map.merge(Utils.make_json_ld_header()) else page |> Map.merge(Utils.make_json_ld_header()) end end def render("activity.json", %{activity: %Activity{local: local} = activity}) do %{ "id" => activity.data.url <> "/activity", "type" => if local do "Create" else "Announce" end, "actor" => activity.data.organizer_actor.url, "published" => Timex.now(), "to" => ["https://www.w3.org/ns/activitystreams#Public"], "object" => render_one(activity.data, ObjectView, "event.json", as: :event) } end def collection(collection, iri, page, total \\ nil) do offset = (page - 1) * 10 items = Enum.slice(collection, offset, 10) items = Enum.map(items, fn account -> account.url end) total = total || length(collection) map = %{ "id" => "#{iri}?page=#{page}", "type" => "OrderedCollectionPage", "partOf" => iri, "totalItems" => total, "orderedItems" => items } if offset < total do Map.put(map, "next", "#{iri}?page=#{page + 1}") end end end