+ @spec add_emoji_reaction_to_object(Activity.t(), Object.t()) ::
+ {:ok, Object.t()} | {:error, Ecto.Changeset.t()}
+
+ def add_emoji_reaction_to_object(
+ %Activity{data: %{"content" => emoji, "actor" => actor}},
+ object
+ ) do
+ reactions = object.data["reactions"] || %{}
+ emoji_actors = reactions[emoji] || []
+ new_emoji_actors = [actor | emoji_actors] |> Enum.uniq()
+ new_reactions = Map.put(reactions, emoji, new_emoji_actors)
+ update_element_in_object("reaction", new_reactions, object)
+ end
+
+ def remove_emoji_reaction_from_object(
+ %Activity{data: %{"content" => emoji, "actor" => actor}},
+ object
+ ) do
+ reactions = object.data["reactions"] || %{}
+ emoji_actors = reactions[emoji] || []
+ new_emoji_actors = List.delete(emoji_actors, actor)
+
+ new_reactions =
+ if new_emoji_actors == [] do
+ Map.delete(reactions, emoji)
+ else
+ Map.put(reactions, emoji, new_emoji_actors)
+ end
+
+ update_element_in_object("reaction", new_reactions, object)
+ end
+