1 files changed, 40 insertions, 0 deletions
diff --git a/lib/pleroma/web/pleroma_api/pleroma_api.ex b/lib/pleroma/web/pleroma_api/pleroma_api.ex
new file mode 100644
index 000000000..480964845
--- /dev/null
+++ b/lib/pleroma/web/pleroma_api/pleroma_api.ex
@@ -0,0 +1,40 @@
+defmodule Pleroma.Web.PleromaAPI.PleromaAPI do
+  import Ecto.Query
+  import Ecto.Changeset
+
+  alias Pleroma.Activity
+  alias Pleroma.Pagination
+  alias Pleroma.SubscriptionNotification
+
+  def get_subscription_notifications(user, params \\ %{}) do
+    options = cast_params(params)
+
+    user
+    |> SubscriptionNotification.for_user_query(options)
+    |> restrict(:exclude_types, options)
+    |> Pagination.fetch_paginated(params)
+  end
+
+  defp cast_params(params) do
+    param_types = %{
+      exclude_types: {:array, :string},
+      reblogs: :boolean,
+      with_muted: :boolean
+    }
+
+    changeset = cast({%{}, param_types}, params, Map.keys(param_types))
+    changeset.changes
+  end
+
+  defp restrict(query, :exclude_types, %{exclude_types: mastodon_types = [_ | _]}) do
+    ap_types =
+      mastodon_types
+      |> Enum.map(&Activity.from_mastodon_notification_type/1)
+      |> Enum.filter(& &1)
+
+    query
+    |> where([q, a], not fragment("? @> ARRAY[?->>'type']::varchar[]", ^ap_types, a.data))
+  end
+
+  defp restrict(query, _, _), do: query
+end