Return quote_url through the API, don't render quotes more than 1 level deep

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

@@ -198,6 +198,12 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Status do
             nullable: true,
             description: "Quoted status (if any)"
           },
+          quote_url: %Schema{
+            type: :string,
+            format: :uri,
+            nullable: true,
+            description: "URL of the quoted status"
+          },
           local: %Schema{
             type: :boolean,
             description: "`true` if the post was made on the local instance"

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

@@ -316,7 +316,7 @@ def render("show.json", %{activity: %{data: %{"object" => _object}} = activity}
 
     quote_post =
       if quote_activity do
-        quote_rendering_opts = Map.put(opts, :activity, quote_activity)
+        quote_rendering_opts = Map.merge(opts, %{activity: quote_activity, show_quote: false})
         render("show.json", quote_rendering_opts)
       else
         nil
@@ -431,6 +431,7 @@ def render("show.json", %{activity: %{data: %{"object" => _object}} = activity}
         context: object.data["context"],
         in_reply_to_account_acct: reply_to_user && reply_to_user.nickname,
         quote: quote_post,
+        quote_url: object.data["quoteUrl"],
         content: %{"text/plain" => content_plaintext},
         spoiler_text: %{"text/plain" => summary},
         expires_at: expires_at,
@@ -666,6 +667,10 @@ def get_reply_to(%{data: %{"object" => _object}} = activity, _) do
     end
   end
 
+  def get_quote(_activity, %{show_quote: false}) do
+    nil
+  end
+
   def get_quote(activity, %{quoted_activities: quoted_activities}) do
     object = Object.normalize(activity, fetch: false)
     quoted_activities[object.data["quoteUrl"]]

test/pleroma/web/mastodon_api/controllers/status_controller_test.exs

@@ -128,7 +128,8 @@ test "posting a status", %{conn: conn} do
     test "posting a quote post", %{conn: conn} do
       user = insert(:user)
 
-      {:ok, %{id: activity_id}} = CommonAPI.post(user, %{status: "yolo"})
+      {:ok, %{id: activity_id} = activity} = CommonAPI.post(user, %{status: "yolo"})
+      %{data: %{"id" => quote_url}} = Object.normalize(activity)
 
       conn =
         conn
@@ -138,8 +139,10 @@ test "posting a quote post", %{conn: conn} do
           "quote_id" => activity_id
         })
 
-      assert %{"id" => id, "pleroma" => %{"quote" => %{"id" => ^activity_id}}} =
-               json_response_and_validate_schema(conn, 200)
+      assert %{
+               "id" => id,
+               "pleroma" => %{"quote" => %{"id" => ^activity_id}, "quote_url" => ^quote_url}
+             } = json_response_and_validate_schema(conn, 200)
 
       assert Activity.get_by_id(id)
     end

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

@@ -327,6 +327,7 @@ test "a note activity" do
         context: object_data["context"],
         in_reply_to_account_acct: nil,
         quote: nil,
+        quote_url: nil,
         content: %{"text/plain" => HTML.strip_tags(object_data["content"])},
         spoiler_text: %{"text/plain" => HTML.strip_tags(object_data["summary"])},
         expires_at: nil,
@@ -423,6 +424,28 @@ test "a reply" do
     assert status.in_reply_to_id == to_string(note.id)
   end
 
+  test "a quote post" do
+    post = insert(:note_activity)
+    user = insert(:user)
+
+    {:ok, quote_post} = CommonAPI.post(user, %{status: "he", quote_id: post.id})
+    {:ok, quoted_quote_post} = CommonAPI.post(user, %{status: "yo", quote_id: quote_post.id})
+
+    status = StatusView.render("show.json", %{activity: quoted_quote_post})
+
+    assert status.pleroma.quote.id == to_string(quote_post.id)
+    assert status.pleroma.quote_url == Object.normalize(quote_post).data["id"]
+
+    # Quotes don't go more than one level deep
+    refute status.pleroma.quote.pleroma.quote
+    assert status.pleroma.quote.pleroma.quote_url == Object.normalize(post).data["id"]
+
+    # In an index
+    [status] = StatusView.render("index.json", %{activities: [quoted_quote_post], as: :activity})
+
+    assert status.pleroma.quote.id == to_string(quote_post.id)
+  end
+
   test "contains mentions" do
     user = insert(:user)
     mentioned = insert(:user)