Move user count to stats agent.

lib/pleroma/stats.ex

@@ -4,13 +4,17 @@ defmodule Pleroma.Stats do
   alias Pleroma.{User, Repo, Activity}
 
   def start_link do
-    agent = Agent.start_link(fn -> %{} end, name: __MODULE__)
+    agent = Agent.start_link(fn -> {[], %{}} end, name: __MODULE__)
     schedule_update()
     agent
   end
 
-  def get do
-    Agent.get(__MODULE__, fn stats -> stats end)
+  def get_stats do
+    Agent.get(__MODULE__, fn {_, stats} -> stats end)
+  end
+
+  def get_peers do
+    Agent.get(__MODULE__, fn {peers, _} -> peers end)
   end
 
   def schedule_update do
@@ -31,8 +35,9 @@ def update_stats do
       where: p.local == ^true,
       where: fragment("?->'object'->>'type' = ?", p.data, ^"Note")
     status_count = Repo.aggregate(status_query, :count, :id)
+    user_count = Repo.aggregate(User.local_user_query, :count, :id)
     Agent.update(__MODULE__, fn _ ->
-      %{peers: peers, domain_count: domain_count, status_count: status_count}
+      {peers, %{domain_count: domain_count, status_count: status_count, user_count: user_count}}
     end)
   end
 end

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -93,8 +93,6 @@ def user(conn, %{"id" => id}) do
   @instance Application.get_env(:pleroma, :instance)
 
   def masto_instance(conn, _params) do
-    user_count = Repo.aggregate(User.local_user_query, :count, :id)
-    %{domain_count: domain_count, status_count: status_count} = Stats.get()
     response = %{
       uri: Web.base_url,
       title: Keyword.get(@instance, :name),
@@ -104,11 +102,7 @@ def masto_instance(conn, _params) do
       urls: %{
         streaming_api: String.replace(Web.base_url, ["http","https"], "wss")
       },
-      stats: %{
-        status_count: status_count,
-        user_count: user_count,
-        domain_count: domain_count
-      },
+      stats: Stats.get_stats,
       max_toot_chars: Keyword.get(@instance, :limit)
     }
 
@@ -116,8 +110,7 @@ def masto_instance(conn, _params) do
   end
 
   def peers(conn, _params) do
-    %{peers: peers} = Stats.get()
-    json(conn, peers)
+    json(conn, Stats.get_peers)
   end
 
   defp mastodonized_emoji do