+ defp update_object_in_activities(%{data: %{"id" => id}} = object) do
+ # Update activities that already had this. Could be done in a seperate process.
+ relevant_activities = Activity.all_by_object_ap_id(id)
+ Enum.map(relevant_activities, fn (activity) ->
+ new_activity_data = activity.data |> Map.put("object", object.data)
+ changeset = Ecto.Changeset.change(activity, data: new_activity_data)
+ Repo.update(changeset)
+ end)
+ end
+
+ def unlike(%User{ap_id: ap_id}, %Object{data: %{ "id" => id}} = object) do
+ query = from activity in Activity,
+ where: fragment("? @> ?", activity.data, ^%{actor: ap_id, object: id, type: "Like"})
+
+ activity = Repo.one(query)
+
+ if activity do
+ # just delete for now...
+ {:ok, _activity} = Repo.delete(activity)
+
+ likes = (object.data["likes"] || []) |> List.delete(ap_id)
+
+ new_data = object.data
+ |> Map.put("like_count", length(likes))
+ |> Map.put("likes", likes)
+
+ changeset = Ecto.Changeset.change(object, data: new_data)
+ {:ok, object} = Repo.update(changeset)
+
+ update_object_in_activities(object)
+
+ {:ok, object}
+ else
+ {:ok, object}
+ end
+ end
+