refactor, status view updating, error handling

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -450,6 +450,11 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       conn
       |> put_view(StatusView)
       |> try_render("status.json", %{activity: activity, for: user, as: :activity})
+    else
+      {:error, reason} ->
+        conn
+        |> put_resp_content_type("application/json")
+        |> send_resp(:bad_request, Jason.encode!(%{"error" => reason}))
     end
   end
 

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

@@ -160,7 +160,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       reblogged: present?(repeated),
       favourited: present?(favorited),
       bookmarked: present?(bookmarked),
-      muted: false,
+      muted: Pleroma.Web.ThreadMute.muted?(user, activity),
       pinned: pinned?(activity, user),
       sensitive: sensitive,
       spoiler_text: object["summary"] || "",