Refactor Core things, including Ecto handling, ActivityPub & Transmogrifier modules

* Data doesn't need anymore to be converted to ActivityStream format to
be saved (this was taken from Pleroma and not at all a good idea here)
* Everything saved when creating an event is inserted into PostgreSQL in
a single transaction

lib/mobilizon_web/api/comments.ex

@@ -2,55 +2,18 @@ defmodule MobilizonWeb.API.Comments do
   @moduledoc """
   API for Comments.
   """
-
-  alias Mobilizon.Actors
-  alias Mobilizon.Actors.Actor
   alias Mobilizon.Events.Comment
   alias Mobilizon.Service.ActivityPub
-  alias Mobilizon.Service.ActivityPub.Utils, as: ActivityPubUtils
-
-  alias MobilizonWeb.API.Utils
+  alias Mobilizon.Service.ActivityPub.Activity
 
   @doc """
   Create a comment
 
   Creates a comment from an actor and a status
   """
-  @spec create_comment(String.t(), String.t(), String.t()) ::
+  @spec create_comment(map()) ::
           {:ok, Activity.t(), Comment.t()} | any()
-  def create_comment(
-        from_username,
-        status,
-        visibility \\ :public,
-        in_reply_to_comment_URL \\ nil
-      ) do
-    with {:local_actor, %Actor{url: url} = actor} <-
-           {:local_actor, Actors.get_local_actor_by_name(from_username)},
-         in_reply_to_comment <- get_in_reply_to_comment(in_reply_to_comment_URL),
-         {content_html, tags, to, cc} <-
-           Utils.prepare_content(actor, status, visibility, [], in_reply_to_comment),
-         comment <-
-           ActivityPubUtils.make_comment_data(
-             url,
-             to,
-             content_html,
-             in_reply_to_comment,
-             tags,
-             cc
-           ) do
-      ActivityPub.create(%{
-        to: to,
-        actor: actor,
-        object: comment,
-        local: true
-      })
-    end
-  end
-
-  @spec get_in_reply_to_comment(nil) :: nil
-  defp get_in_reply_to_comment(nil), do: nil
-  @spec get_in_reply_to_comment(String.t()) :: Comment.t()
-  defp get_in_reply_to_comment(in_reply_to_comment_url) do
-    ActivityPub.fetch_object_from_url(in_reply_to_comment_url)
+  def create_comment(args) do
+    ActivityPub.create(:comment, args, true)
   end
 end