81 lines
2.4 KiB
Elixir
81 lines
2.4 KiB
Elixir
defmodule Mobilizon.Web.PageController do
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@moduledoc """
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Controller to load our webapp
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"""
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use Mobilizon.Web, :controller
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alias Mobilizon.Events.{Comment, Event}
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alias Mobilizon.Federation.ActivityPub
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alias Mobilizon.Tombstone
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alias Mobilizon.Web.Cache
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plug(:put_layout, false)
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action_fallback(Mobilizon.Web.FallbackController)
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def index(conn, _params), do: render(conn, :index)
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def actor(conn, %{"name" => name}) do
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{status, actor} = Cache.get_local_actor_by_name(name)
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render_or_error(conn, &ok_status?/3, status, :actor, actor)
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end
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def event(conn, %{"uuid" => uuid}) do
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{status, event} = Cache.get_public_event_by_uuid_with_preload(uuid)
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render_or_error(conn, &checks?/3, status, :event, event)
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end
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def comment(conn, %{"uuid" => uuid}) do
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{status, comment} = Cache.get_comment_by_uuid_with_preload(uuid)
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render_or_error(conn, &checks?/3, status, :comment, comment)
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end
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def interact(conn, %{"uri" => uri}) do
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case ActivityPub.fetch_object_from_url(uri) do
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{:ok, %Event{uuid: uuid}} -> redirect(conn, to: "/events/#{uuid}")
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{:ok, %Comment{uuid: uuid}} -> redirect(conn, to: "/comments/#{uuid}")
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_ -> {:error, :not_found}
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end
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end
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defp render_or_error(conn, check_fn, status, object_type, object) do
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case check_fn.(conn, status, object) do
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true ->
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case object do
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%Tombstone{} ->
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conn
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|> put_status(:gone)
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|> render(object_type, object: object)
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_ ->
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render(conn, object_type, object: object)
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end
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:remote ->
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redirect(conn, external: object.url)
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false ->
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{:error, :not_found}
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end
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end
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defp is_visible?(%{visibility: v}), do: v in [:public, :unlisted]
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defp is_visible?(%Tombstone{}), do: true
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defp ok_status?(status), do: status in [:ok, :commit]
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defp ok_status?(_conn, status, _), do: ok_status?(status)
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defp ok_status_and_is_visible?(_conn, status, o),
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do: ok_status?(status) and is_visible?(o)
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defp checks?(conn, status, o) do
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if ok_status_and_is_visible?(conn, status, o) do
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if is_local?(o) == :remote && get_format(conn) == "activity-json", do: :remote, else: true
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else
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false
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end
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end
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defp is_local?(%Event{local: local}), do: if(local, do: true, else: :remote)
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defp is_local?(%Comment{local: local}), do: if(local, do: true, else: :remote)
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end
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