Merge branch 'replies-count' into 'develop'

Increment replies_count (MastoAPI)

Closes #756

See merge request pleroma/pleroma!974

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -89,6 +89,30 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
   end
 
+  def increase_replies_count_if_reply(%{
+        "object" =>
+          %{"inReplyTo" => reply_ap_id, "inReplyToStatusId" => reply_status_id} = object,
+        "type" => "Create"
+      }) do
+    if is_public?(object) do
+      Activity.increase_replies_count(reply_status_id)
+      Object.increase_replies_count(reply_ap_id)
+    end
+  end
+
+  def increase_replies_count_if_reply(_create_data), do: :noop
+
+  def decrease_replies_count_if_reply(%Object{
+        data: %{"inReplyTo" => reply_ap_id, "inReplyToStatusId" => reply_status_id} = object
+      }) do
+    if is_public?(object) do
+      Activity.decrease_replies_count(reply_status_id)
+      Object.decrease_replies_count(reply_ap_id)
+    end
+  end
+
+  def decrease_replies_count_if_reply(_object), do: :noop
+
   def insert(map, local \\ true) when is_map(map) do
     with nil <- Activity.normalize(map),
          map <- lazy_put_activity_defaults(map),
@@ -178,6 +202,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
              additional
            ),
          {:ok, activity} <- insert(create_data, local),
+         _ <- increase_replies_count_if_reply(create_data),
          # Changing note count prior to enqueuing federation task in order to avoid
          # race conditions on updating user.info
          {:ok, _actor} <- increase_note_count_if_public(actor, activity),
@@ -329,6 +354,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
            "deleted_activity_id" => activity && activity.id
          },
          {:ok, activity} <- insert(data, local),
+         _ <- decrease_replies_count_if_reply(object),
          # Changing note count prior to enqueuing federation task in order to avoid
          # race conditions on updating user.info
          {:ok, _actor} <- decrease_note_count_if_public(user, object),

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -174,7 +174,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       content: content,
       created_at: created_at,
       reblogs_count: announcement_count,
-      replies_count: 0,
+      replies_count: object["repliesCount"] || 0,
       favourites_count: like_count,
       reblogged: present?(repeated),
       favourited: present?(favorited),