Add virtual :thread_muted? field

that may be set when fetching activities

lib/pleroma/activity.ex

@@ -10,6 +10,7 @@ defmodule Pleroma.Activity do
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.ThreadMute
   alias Pleroma.User
 
   import Ecto.Changeset
@@ -37,6 +38,7 @@ defmodule Pleroma.Activity do
     field(:local, :boolean, default: true)
     field(:actor, :string)
     field(:recipients, {:array, :string}, default: [])
+    field(:thread_muted?, :boolean, virtual: true)
     # This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark
     has_one(:bookmark, Bookmark)
     has_many(:notifications, Notification, on_delete: :delete_all)
@@ -90,6 +92,16 @@ def with_preloaded_bookmark(query, %User{} = user) do
 
   def with_preloaded_bookmark(query, _), do: query
 
+  def with_set_thread_muted_field(query, %User{} = user) do
+    from([a] in query,
+      left_join: tm in ThreadMute,
+      on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data),
+      select: %Activity{a | thread_muted?: not is_nil(tm.id)}
+    )
+  end
+
+  def with_set_thread_muted_field(query, _), do: query
+
   def get_by_ap_id(ap_id) do
     Repo.one(
       from(

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -834,6 +834,13 @@ defp maybe_preload_bookmarks(query, opts) do
     |> Activity.with_preloaded_bookmark(opts["user"])
   end
 
+  defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query
+
+  defp maybe_set_thread_muted_field(query, opts) do
+    query
+    |> Activity.with_set_thread_muted_field(opts["user"])
+  end
+
   defp maybe_order(query, %{order: :desc}) do
     query
     |> order_by(desc: :id)
@@ -852,6 +859,7 @@ def fetch_activities_query(recipients, opts \\ %{}) do
     base_query
     |> maybe_preload_objects(opts)
     |> maybe_preload_bookmarks(opts)
+    |> maybe_set_thread_muted_field(opts)
     |> maybe_order(opts)
     |> restrict_recipients(recipients, opts["user"])
     |> restrict_tag(opts)

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

@@ -157,6 +157,12 @@ def render("status.json", %{activity: %{data: %{"object" => _object}} = activity
 
     bookmarked = Activity.get_bookmark(activity, opts[:for]) != nil
 
+    thread_muted? =
+      case activity.thread_muted? do
+        thread_muted? when is_boolean(thread_muted?) -> thread_muted?
+        nil -> CommonAPI.thread_muted?(user, activity)
+      end
+
     attachment_data = object.data["attachment"] || []
     attachments = render_many(attachment_data, StatusView, "attachment.json", as: :attachment)
 
@@ -228,7 +234,7 @@ def render("status.json", %{activity: %{data: %{"object" => _object}} = activity
       reblogged: reblogged?(activity, opts[:for]),
       favourited: present?(favorited),
       bookmarked: present?(bookmarked),
-      muted: CommonAPI.thread_muted?(user, activity) || User.mutes?(opts[:for], user),
+      muted: thread_muted? || User.mutes?(opts[:for], user),
       pinned: pinned?(activity, user),
       sensitive: sensitive,
       spoiler_text: summary_html,

lib/pleroma/web/twitter_api/views/activity_view.ex

@@ -284,6 +284,12 @@ def render(
         Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
       )
 
+    thread_muted? =
+      case activity.thread_muted? do
+        thread_muted? when is_boolean(thread_muted?) -> thread_muted?
+        nil -> CommonAPI.thread_muted?(user, activity)
+      end
+
     %{
       "id" => activity.id,
       "uri" => object.data["id"],
@@ -314,7 +320,7 @@ def render(
       "summary" => summary,
       "summary_html" => summary |> Formatter.emojify(object.data["emoji"]),
       "card" => card,
-      "muted" => CommonAPI.thread_muted?(user, activity) || User.mutes?(opts[:for], user)
+      "muted" => thread_muted? || User.mutes?(opts[:for], user)
     }
   end
 

test/activity_test.exs

@@ -6,6 +6,7 @@ defmodule Pleroma.ActivityTest do
   use Pleroma.DataCase
   alias Pleroma.Activity
   alias Pleroma.Bookmark
+  alias Pleroma.ThreadMute
   import Pleroma.Factory
 
   test "returns an activity by it's AP id" do
@@ -47,6 +48,31 @@ test "preloading a bookmark" do
     assert queried_activity.bookmark == bookmark3
   end
 
+  test "setting thread_muted?" do
+    activity = insert(:note_activity)
+    user = insert(:user)
+    annoyed_user = insert(:user)
+    {:ok, _} = ThreadMute.add_mute(annoyed_user.id, activity.data["context"])
+
+    activity_with_unset_thread_muted_field =
+      Ecto.Query.from(Activity)
+      |> Repo.one()
+
+    activity_for_user =
+      Ecto.Query.from(Activity)
+      |> Activity.with_set_thread_muted_field(user)
+      |> Repo.one()
+
+    activity_for_annoyed_user =
+      Ecto.Query.from(Activity)
+      |> Activity.with_set_thread_muted_field(annoyed_user)
+      |> Repo.one()
+
+    assert activity_with_unset_thread_muted_field.thread_muted? == nil
+    assert activity_for_user.thread_muted? == false
+    assert activity_for_annoyed_user.thread_muted? == true
+  end
+
   describe "getting a bookmark" do
     test "when association is loaded" do
       user = insert(:user)

test/user_test.exs

@@ -902,7 +902,7 @@ test "hide a user's statuses from timelines and notifications" do
 
       assert [activity] == ActivityPub.fetch_public_activities(%{}) |> Repo.preload(:bookmark)
 
-      assert [activity] ==
+      assert [%{activity | thread_muted?: CommonAPI.thread_muted?(user2, activity)}] ==
                ActivityPub.fetch_activities([user2.ap_id | user2.following], %{"user" => user2})
 
       {:ok, _user} = User.deactivate(user)