# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Stats do
+ use GenServer
+
import Ecto.Query
+
+ alias Pleroma.CounterCache
alias Pleroma.Repo
alias Pleroma.User
- def start_link do
- agent = Agent.start_link(fn -> {[], %{}} end, name: __MODULE__)
- spawn(fn -> schedule_update() end)
- agent
+ @interval :timer.seconds(60)
+
+ def start_link(_) do
+ GenServer.start_link(
+ __MODULE__,
+ nil,
+ name: __MODULE__
+ )
end
- def get_stats do
- Agent.get(__MODULE__, fn {_, stats} -> stats end)
+ @impl true
+ def init(_args) do
+ if Pleroma.Config.get(:env) == :test, do: :ok = Ecto.Adapters.SQL.Sandbox.checkout(Repo)
+ {:ok, nil, {:continue, :calculate_stats}}
end
- def get_peers do
- Agent.get(__MODULE__, fn {peers, _} -> peers end)
+ @doc "Performs update stats"
+ def force_update do
+ GenServer.call(__MODULE__, :force_update)
end
- def schedule_update do
- spawn(fn ->
- # 1 hour
- Process.sleep(1000 * 60 * 60)
- schedule_update()
- end)
+ @doc "Performs collect stats"
+ def do_collect do
+ GenServer.cast(__MODULE__, :run_update)
+ end
- update_stats()
+ @doc "Returns stats data"
+ @spec get_stats() :: %{
+ domain_count: non_neg_integer(),
+ status_count: non_neg_integer(),
+ user_count: non_neg_integer()
+ }
+ def get_stats do
+ %{stats: stats} = GenServer.call(__MODULE__, :get_state)
+
+ stats
+ end
+
+ @doc "Returns list peers"
+ @spec get_peers() :: list(String.t())
+ def get_peers do
+ %{peers: peers} = GenServer.call(__MODULE__, :get_state)
+
+ peers
end
- def update_stats do
+ @spec calculate_stat_data() :: %{
+ peers: list(),
+ stats: %{
+ domain_count: non_neg_integer(),
+ status_count: non_neg_integer(),
+ user_count: non_neg_integer()
+ }
+ }
+ def calculate_stat_data do
peers =
from(
u in User,
domain_count = Enum.count(peers)
- status_query =
- from(u in User.Query.build(%{local: true}),
- select: fragment("sum((?->>'note_count')::int)", u.info)
+ status_count = Repo.aggregate(User.Query.build(%{local: true}), :sum, :note_count)
+
+ users_query =
+ from(u in User,
+ where: u.deactivated != true,
+ where: u.local == true,
+ where: not is_nil(u.nickname),
+ where: not u.invisible
)
- status_count = Repo.one(status_query)
+ user_count = Repo.aggregate(users_query, :count, :id)
- user_count = Repo.aggregate(User.Query.build(%{local: true, active: true}), :count, :id)
+ %{
+ peers: peers,
+ stats: %{
+ domain_count: domain_count,
+ status_count: status_count || 0,
+ user_count: user_count
+ }
+ }
+ end
+
+ @spec get_status_visibility_count(String.t() | nil) :: map()
+ def get_status_visibility_count(instance \\ nil) do
+ if is_nil(instance) do
+ CounterCache.get_sum()
+ else
+ CounterCache.get_by_instance(instance)
+ end
+ end
+
+ @impl true
+ def handle_continue(:calculate_stats, _) do
+ stats = calculate_stat_data()
+ Process.send_after(self(), :run_update, @interval)
+ {:noreply, stats}
+ end
+
+ @impl true
+ def handle_call(:force_update, _from, _state) do
+ new_stats = calculate_stat_data()
+ {:reply, new_stats, new_stats}
+ end
+
+ @impl true
+ def handle_call(:get_state, _from, state) do
+ {:reply, state, state}
+ end
+
+ @impl true
+ def handle_cast(:run_update, _state) do
+ new_stats = calculate_stat_data()
+
+ {:noreply, new_stats}
+ end
- Agent.update(__MODULE__, fn _ ->
- {peers, %{domain_count: domain_count, status_count: status_count, user_count: user_count}}
- end)
+ @impl true
+ def handle_info(:run_update, _) do
+ new_stats = calculate_stat_data()
+ Process.send_after(self(), :run_update, @interval)
+ {:noreply, new_stats}
end
end