1 files changed, 32 insertions, 6 deletions
diff --git a/lib/pleroma/thread_mute.ex b/lib/pleroma/thread_mute.ex
index cc815430a..a7ea13891 100644
--- a/lib/pleroma/thread_mute.ex
+++ b/lib/pleroma/thread_mute.ex
@@ -9,7 +9,8 @@ defmodule Pleroma.ThreadMute do
   alias Pleroma.ThreadMute
   alias Pleroma.User
 
-  require Ecto.Query
+  import Ecto.Changeset
+  import Ecto.Query
 
   schema "thread_mutes" do
     belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
@@ -18,19 +19,44 @@ defmodule Pleroma.ThreadMute do
 
   def changeset(mute, params \\ %{}) do
     mute
-    |> Ecto.Changeset.cast(params, [:user_id, :context])
-    |> Ecto.Changeset.foreign_key_constraint(:user_id)
-    |> Ecto.Changeset.unique_constraint(:user_id, name: :unique_index)
+    |> cast(params, [:user_id, :context])
+    |> foreign_key_constraint(:user_id)
+    |> unique_constraint(:user_id, name: :unique_index)
   end
 
   def query(user_id, context) do
     {:ok, user_id} = FlakeId.Ecto.CompatType.dump(user_id)
 
     ThreadMute
-    |> Ecto.Query.where(user_id: ^user_id)
-    |> Ecto.Query.where(context: ^context)
+    |> where(user_id: ^user_id)
+    |> where(context: ^context)
   end
 
+  def muters_query(context) do
+    ThreadMute
+    |> join(:inner, [tm], u in assoc(tm, :user))
+    |> where([tm], tm.context == ^context)
+    |> select([tm, u], u.ap_id)
+  end
+
+  def muter_ap_ids(context, ap_ids \\ nil)
+
+  # Note: applies to fake activities (ActivityPub.Utils.get_notified_from_object/1 etc.)
+  def muter_ap_ids(context, _ap_ids) when is_nil(context), do: []
+
+  def muter_ap_ids(context, ap_ids) do
+    context
+    |> muters_query()
+    |> maybe_filter_on_ap_id(ap_ids)
+    |> Repo.all()
+  end
+
+  defp maybe_filter_on_ap_id(query, ap_ids) when is_list(ap_ids) do
+    where(query, [tm, u], u.ap_id in ^ap_ids)
+  end
+
+  defp maybe_filter_on_ap_id(query, _ap_ids), do: query
+
   def add_mute(user_id, context) do
     %ThreadMute{}
     |> changeset(%{user_id: user_id, context: context})