StatusView: render the whole quoted status

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

@@ -193,6 +193,11 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Status do
             nullable: true,
             description: "The `acct` property of User entity for replied user (if any)"
           },
+          quote: %Schema{
+            allOf: [%OpenApiSpex.Reference{"$ref": "#/components/schemas/Status"}],
+            nullable: true,
+            description: "Quoted status (if any)"
+          },
           local: %Schema{
             type: :boolean,
             description: "`true` if the post was made on the local instance"

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

@@ -314,6 +314,14 @@ def render("show.json", %{activity: %{data: %{"object" => _object}} = activity}
 
     quote_activity = get_quote(activity, opts)
 
+    quote_post =
+      if quote_activity do
+        quote_rendering_opts = Map.put(opts, :activity, quote_activity)
+        render("show.json", quote_rendering_opts)
+      else
+        nil
+      end
+
     content =
       object
       |> render_content()
@@ -422,7 +430,7 @@ def render("show.json", %{activity: %{data: %{"object" => _object}} = activity}
         conversation_id: get_context_id(activity),
         context: object.data["context"],
         in_reply_to_account_acct: reply_to_user && reply_to_user.nickname,
-        quote_id: quote_activity && to_string(quote_activity.id),
+        quote: quote_post,
         content: %{"text/plain" => content_plaintext},
         spoiler_text: %{"text/plain" => summary},
         expires_at: expires_at,

test/pleroma/web/mastodon_api/views/status_view_test.exs

@@ -326,6 +326,7 @@ test "a note activity" do
         conversation_id: convo_id,
         context: object_data["context"],
         in_reply_to_account_acct: nil,
+        quote: nil,
         content: %{"text/plain" => HTML.strip_tags(object_data["content"])},
         spoiler_text: %{"text/plain" => HTML.strip_tags(object_data["summary"])},
         expires_at: nil,