AccountView: Add user background.

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

@@ -125,7 +125,8 @@ defp do_render("account.json", %{user: user} = opts) do
         hide_follows: user.info.hide_follows,
         hide_favorites: user.info.hide_favorites,
         relationship: relationship,
-        skip_thread_containment: user.info.skip_thread_containment
+        skip_thread_containment: user.info.skip_thread_containment,
+        background_image: image_url(user.info.background) |> MediaProxy.url()
       }
     }
     |> maybe_put_role(user, opts[:for])
@@ -182,4 +183,7 @@ defp maybe_put_notification_settings(data, %User{id: user_id} = user, %User{id:
   end
 
   defp maybe_put_notification_settings(data, _, _), do: data
+
+  defp image_url(%{"url" => [%{"href" => href} | _]}), do: href
+  defp image_url(_), do: nil
 end

test/web/mastodon_api/account_view_test.exs

@@ -19,9 +19,18 @@ test "Represent a user account" do
       ]
     }
 
+    background_image = %{
+      "url" => [%{"href" => "https://example.com/images/asuka_hospital.png"}]
+    }
+
     user =
       insert(:user, %{
-        info: %{note_count: 5, follower_count: 3, source_data: source_data},
+        info: %{
+          note_count: 5,
+          follower_count: 3,
+          source_data: source_data,
+          background: background_image
+        },
         nickname: "shp@shitposter.club",
         name: ":karjalanpiirakka: shp",
         bio: "<script src=\"invalid-html\"></script><span>valid html</span>",
@@ -60,6 +69,7 @@ test "Represent a user account" do
         pleroma: %{}
       },
       pleroma: %{
+        background_image: "https://example.com/images/asuka_hospital.png",
         confirmation_pending: false,
         tags: [],
         is_admin: false,
@@ -126,6 +136,7 @@ test "Represent a Service(bot) account" do
         pleroma: %{}
       },
       pleroma: %{
+        background_image: nil,
         confirmation_pending: false,
         tags: [],
         is_admin: false,
@@ -216,6 +227,7 @@ test "represent an embedded relationship" do
         pleroma: %{}
       },
       pleroma: %{
+        background_image: nil,
         confirmation_pending: false,
         tags: [],
         is_admin: false,