mobilizon/lib/eventos_web/views/activity_pub/actor_view.ex
Thomas Citharel 115d1d1a3e Introduce follower, add tests
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2018-08-01 14:45:18 +02:00

163 lines
4.4 KiB
Elixir

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