+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Stats do
- use Agent
import Ecto.Query
- alias Pleroma.{User, Repo, Activity}
+ alias Pleroma.Repo
+ alias Pleroma.User
+
+ use GenServer
+
+ @interval 1000 * 60 * 60
- def start_link do
- agent = Agent.start_link(fn -> {[], %{}} end, name: __MODULE__)
- schedule_update()
- agent
+ def start_link(_) do
+ GenServer.start_link(__MODULE__, initial_data(), name: __MODULE__)
+ end
+
+ def force_update do
+ GenServer.call(__MODULE__, :force_update)
end
def get_stats do
- Agent.get(__MODULE__, fn {_, stats} -> stats end)
+ %{stats: stats} = GenServer.call(__MODULE__, :get_state)
+
+ stats
end
def get_peers do
- Agent.get(__MODULE__, fn {peers, _} -> peers end)
+ %{peers: peers} = GenServer.call(__MODULE__, :get_state)
+
+ peers
+ end
+
+ def init(args) do
+ Process.send(self(), :run_update, [])
+ {:ok, args}
+ end
+
+ def handle_call(:force_update, _from, _state) do
+ new_stats = get_stat_data()
+ {:reply, new_stats, new_stats}
end
- def schedule_update do
- update_stats()
- spawn(fn ->
- Process.sleep(1000 * 60 * 60 * 1) # 1 hour
- schedule_update()
- end)
+ def handle_call(:get_state, _from, state) do
+ {:reply, state, state}
end
- def update_stats do
- peers = from(u in Pleroma.User,
- select: fragment("?->'host'", u.info),
- where: u.local != ^true)
- |> Repo.all() |> Enum.uniq()
+ def handle_info(:run_update, _state) do
+ new_stats = get_stat_data()
+
+ Process.send_after(self(), :run_update, @interval)
+ {:noreply, new_stats}
+ end
+
+ defp initial_data do
+ %{peers: [], stats: %{}}
+ end
+
+ defp get_stat_data do
+ peers =
+ from(
+ u in User,
+ select: fragment("distinct split_part(?, '@', 2)", u.nickname),
+ where: u.local != ^true
+ )
+ |> Repo.all()
+ |> Enum.filter(& &1)
+
domain_count = Enum.count(peers)
- status_query = from p in Activity,
- 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, %{domain_count: domain_count, status_count: status_count, user_count: user_count}}
- end)
+
+ status_query =
+ from(u in User.Query.build(%{local: true}),
+ select: fragment("sum((?->>'note_count')::int)", u.info)
+ )
+
+ status_count = Repo.one(status_query)
+
+ user_count = Repo.aggregate(User.Query.build(%{local: true, active: true}), :count, :id)
+
+ %{
+ peers: peers,
+ stats: %{domain_count: domain_count, status_count: status_count, user_count: user_count}
+ }
end
end