defmodule Mobilizon.Service.Export.Common do @moduledoc """ Common tools for exportation """ alias Mobilizon.{Actors, Events, Posts, Users} alias Mobilizon.Actors.Actor alias Mobilizon.Events.{Event, FeedToken} alias Mobilizon.Storage.Page alias Mobilizon.Users.User @spec fetch_actor_event_feed(String.t()) :: String.t() def fetch_actor_event_feed(name) do with %Actor{} = actor <- Actors.get_local_actor_by_name(name), {:visibility, true} <- {:visibility, Actor.is_public_visibility?(actor)}, %Page{elements: events} <- Events.list_public_events_for_actor(actor), %Page{elements: posts} <- Posts.get_public_posts_for_group(actor) do {:ok, actor, events, posts} else err -> {:error, err} end end # Only events, not posts @spec fetch_events_from_token(String.t()) :: String.t() def fetch_events_from_token(token) do with {:ok, _uuid} <- Ecto.UUID.cast(token), %FeedToken{actor: actor, user: %User{} = user} <- Events.get_feed_token(token) do case actor do %Actor{} = actor -> %{ type: :actor, actor: actor, events: fetch_actor_private_events(actor), user: user, token: token } nil -> with actors <- Users.get_actors_for_user(user), events <- actors |> Enum.map(&fetch_actor_private_events/1) |> Enum.concat() do %{type: :user, events: events, user: user, token: token, actor: nil} end end end end @spec fetch_instance_public_content :: {:ok, list(Event.t()), list(Post.t())} def fetch_instance_public_content do with %Page{elements: events} <- Events.list_public_local_events(), %Page{elements: posts} <- Posts.list_public_local_posts() do {:ok, events, posts} end end @spec fetch_actor_private_events(Actor.t()) :: list(Event.t()) def fetch_actor_private_events(%Actor{} = actor) do actor |> fetch_identity_participations() |> participations_to_events() end @spec fetch_identity_participations(Actor.t()) :: Page.t() defp fetch_identity_participations(%Actor{} = actor) do with %Page{} = page <- Events.list_event_participations_for_actor(actor) do page end end defp participations_to_events(%Page{elements: participations}) do participations |> Enum.map(& &1.event_id) |> Enum.map(&Events.get_event_with_preload!/1) end end