Include list id in StatusView

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

lib/pleroma/web/api_spec/schemas/status.ex

@@ -249,6 +249,12 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Status do
             nullable: true,
             description:
               "A datetime (ISO 8601) that states when the post was pinned or `null` if the post is not pinned"
+          },
+          list_id: %Schema{
+            type: :integer,
+            nullable: true,
+            description:
+              "The ID of the list the post is addressed to (if any, only returned to author)"
           }
         }
       },

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

@@ -465,7 +465,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
         parent_visible: visible_for_user?(reply_to, opts[:for]),
         pinned_at: pinned_at,
         quotes_count: object.data["quotesCount"] || 0,
-        bookmark_folder: bookmark_folder
+        bookmark_folder: bookmark_folder,
+        list_id: get_list_id(object, client_posted_this_activity)
       }
     }
   end
@@ -835,4 +836,14 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       nil
     end
   end
+
+  defp get_list_id(object, client_posted_this_activity) do
+    with true <- client_posted_this_activity,
+         %{data: %{"listMessage" => list_ap_id}} when is_binary(list_ap_id) <- object,
+         %{id: list_id} <- Pleroma.List.get_by_ap_id(list_ap_id) do
+      list_id
+    else
+      _ -> nil
+    end
+  end
 end