Assign reblogged in the Mastodon reblog status view

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

@@ -54,6 +54,11 @@ defp get_context_id(%{data: %{"context" => context}}) when is_binary(context),
 
   defp get_context_id(_), do: nil
 
+  defp reblogged?(activity, user) do
+    object = activity.data["object"] || %{}
+    present?(user && user.ap_id in (object["announcements"] || []))
+  end
+
   def render("index.json", opts) do
     replied_to_activities = get_replied_to_activities(opts.activities)
 
@@ -72,8 +77,8 @@ def render(
     user = get_user(activity.data["actor"])
     created_at = Utils.to_masto_date(activity.data["published"])
 
-    reblogged = Activity.get_create_by_object_ap_id(object)
-    reblogged = render("status.json", Map.put(opts, :activity, reblogged))
+    reblogged_activity = Activity.get_create_by_object_ap_id(object)
+    reblogged = render("status.json", Map.put(opts, :activity, reblogged_activity))
 
     mentions =
       activity.recipients
@@ -94,7 +99,7 @@ def render(
       reblogs_count: 0,
       replies_count: 0,
       favourites_count: 0,
-      reblogged: false,
+      reblogged: reblogged?(reblogged_activity, opts[:for]),
       favourited: false,
       bookmarked: false,
       muted: false,
@@ -132,7 +137,6 @@ def render("status.json", %{activity: %{data: %{"object" => object}} = activity}
       |> Enum.filter(& &1)
       |> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
 
-    repeated = opts[:for] && opts[:for].ap_id in (object["announcements"] || [])
     favorited = opts[:for] && opts[:for].ap_id in (object["likes"] || [])
     bookmarked = opts[:for] && object["id"] in opts[:for].bookmarks
 
@@ -203,7 +207,7 @@ def render("status.json", %{activity: %{data: %{"object" => object}} = activity}
       reblogs_count: announcement_count,
       replies_count: object["repliesCount"] || 0,
       favourites_count: like_count,
-      reblogged: present?(repeated),
+      reblogged: reblogged?(activity, opts[:for]),
       favourited: present?(favorited),
       bookmarked: present?(bookmarked),
       muted: CommonAPI.thread_muted?(user, activity) || User.mutes?(opts[:for], user),

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -1008,8 +1008,41 @@ test "reblogs and returns the reblogged status", %{conn: conn} do
         |> assign(:user, user)
         |> post("/api/v1/statuses/#{activity.id}/reblog")
 
-      assert %{"reblog" => %{"id" => id, "reblogged" => true, "reblogs_count" => 1}} =
-               json_response(conn, 200)
+      assert %{
+               "reblog" => %{"id" => id, "reblogged" => true, "reblogs_count" => 1},
+               "reblogged" => true
+             } = json_response(conn, 200)
+
+      assert to_string(activity.id) == id
+    end
+
+    test "reblogged status for another user", %{conn: conn} do
+      activity = insert(:note_activity)
+      user1 = insert(:user)
+      user2 = insert(:user)
+      user3 = insert(:user)
+      {:ok, reblog_activity1, _object} = CommonAPI.repeat(activity.id, user1)
+      {:ok, _, _object} = CommonAPI.repeat(activity.id, user2)
+
+      conn_res =
+        conn
+        |> assign(:user, user3)
+        |> get("/api/v1/statuses/#{reblog_activity1.id}")
+
+      assert %{
+               "reblog" => %{"id" => id, "reblogged" => false, "reblogs_count" => 2},
+               "reblogged" => false
+             } = json_response(conn_res, 200)
+
+      conn_res =
+        conn
+        |> assign(:user, user2)
+        |> get("/api/v1/statuses/#{reblog_activity1.id}")
+
+      assert %{
+               "reblog" => %{"id" => id, "reblogged" => true, "reblogs_count" => 2},
+               "reblogged" => true
+             } = json_response(conn_res, 200)
 
       assert to_string(activity.id) == id
     end