From 9c96b17e16a4911d3e20149e1b54b12baaf71617 Mon Sep 17 00:00:00 2001
From: Maxim Filippov <colixer@gmail.com>
Date: Sun, 1 Sep 2019 21:23:30 +0300
Subject: [PATCH] Add pagination to logs

---
 lib/pleroma/moderation_log.ex                 | 29 +++++++++++++------
 .../admin_api/views/moderation_log_view.ex    |  5 +++-
 2 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/lib/pleroma/moderation_log.ex b/lib/pleroma/moderation_log.ex
index 89a5e13c3..352cad433 100644
--- a/lib/pleroma/moderation_log.ex
+++ b/lib/pleroma/moderation_log.ex
@@ -15,12 +15,18 @@ defmodule Pleroma.ModerationLog do
   end
 
   def get_all(params) do
-    params
-    |> get_all_query()
-    |> maybe_filter_by_date(params)
-    |> maybe_filter_by_user(params)
-    |> maybe_filter_by_search(params)
-    |> Repo.all()
+    base_query =
+      get_all_query()
+      |> maybe_filter_by_date(params)
+      |> maybe_filter_by_user(params)
+      |> maybe_filter_by_search(params)
+
+    query_with_pagination = base_query |> paginate_query(params)
+
+    %{
+      items: Repo.all(query_with_pagination),
+      count: Repo.aggregate(base_query, :count, :id)
+    }
   end
 
   defp maybe_filter_by_date(query, %{start_date: nil, end_date: nil}), do: query
@@ -61,14 +67,19 @@ defp maybe_filter_by_search(query, %{search: search}) do
     )
   end
 
-  defp get_all_query(%{page: page, page_size: page_size}) do
-    from(q in __MODULE__,
-      order_by: [desc: q.inserted_at],
+  defp paginate_query(query, %{page: page, page_size: page_size}) do
+    from(q in query,
       limit: ^page_size,
       offset: ^((page - 1) * page_size)
     )
   end
 
+  defp get_all_query do
+    from(q in __MODULE__,
+      order_by: [desc: q.inserted_at]
+    )
+  end
+
   defp parse_datetime(datetime) do
     {:ok, parsed_datetime, _} = DateTime.from_iso8601(datetime)
 
diff --git a/lib/pleroma/web/admin_api/views/moderation_log_view.ex b/lib/pleroma/web/admin_api/views/moderation_log_view.ex
index b3fc7cfe5..e7752d1f3 100644
--- a/lib/pleroma/web/admin_api/views/moderation_log_view.ex
+++ b/lib/pleroma/web/admin_api/views/moderation_log_view.ex
@@ -8,7 +8,10 @@ defmodule Pleroma.Web.AdminAPI.ModerationLogView do
   alias Pleroma.ModerationLog
 
   def render("index.json", %{log: log}) do
-    render_many(log, __MODULE__, "show.json", as: :log_entry)
+    %{
+      items: render_many(log.items, __MODULE__, "show.json", as: :log_entry),
+      total: log.count
+    }
   end
 
   def render("show.json", %{log_entry: log_entry}) do