Return total for reports

lib/pleroma/web/admin_api/admin_api_controller.ex

@@ -442,11 +442,9 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
       params
       |> Map.put("type", "Flag")
       |> Map.put("skip_preload", true)
+      |> Map.put("total", true)
 
-    reports =
-      []
-      |> ActivityPub.fetch_activities(params)
-      |> Enum.reverse()
+    reports = ActivityPub.fetch_activities([], params)
 
     conn
     |> put_view(ReportView)

lib/pleroma/web/admin_api/views/report_view.ex

@@ -12,7 +12,8 @@ defmodule Pleroma.Web.AdminAPI.ReportView do
 
   def render("index.json", %{reports: reports}) do
     %{
-      reports: render_many(reports, __MODULE__, "show.json", as: :report)
+      reports: render_many(reports[:items], __MODULE__, "show.json", as: :report),
+      total: reports[:total]
     }
   end