Merge branch 'docs/kyclos' into 'develop'

[akkoma] / lib / pleroma / stats.ex

diff --git a/lib/pleroma/stats.ex b/lib/pleroma/stats.ex
index 938e5c3435f9893586878a88752d0b5aa6a076ed..cf590fb0158abedf9d2e80dda0db9d8262a61a65 100644 (file)
--- a/lib/pleroma/stats.ex
+++ b/lib/pleroma/stats.ex
@@ -1,43 +1,99 @@
+# 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
+
+  @init_state %{
+    peers: [],
+    stats: %{
+      domain_count: 0,
+      status_count: 0,
+      user_count: 0
+    }
+  }
+
+  def start_link(_) do
+    GenServer.start_link(
+      __MODULE__,
+      @init_state,
+      name: __MODULE__
+    )
+  end
 
-  def start_link do
-    agent = Agent.start_link(fn -> {[], %{}} end, name: __MODULE__)
-    schedule_update()
-    agent
+  @doc "Performs update stats"
+  def force_update do
+    GenServer.call(__MODULE__, :force_update)
   end
 
+  @doc "Performs collect stats"
+  def do_collect do
+    GenServer.cast(__MODULE__, :run_update)
+  end
+
+  @doc "Returns stats data"
+  @spec get_stats() :: %{domain_count: integer(), status_count: integer(), user_count: integer()}
   def get_stats do
-    Agent.get(__MODULE__, fn {_, stats} -> stats end)
+    %{stats: stats} = GenServer.call(__MODULE__, :get_state)
+
+    stats
   end
 
+  @doc "Returns list peers"
+  @spec get_peers() :: list(String.t())
   def get_peers do
-    Agent.get(__MODULE__, fn {peers, _} -> peers end)
+    %{peers: peers} = GenServer.call(__MODULE__, :get_state)
+
+    peers
+  end
+
+  def init(args) do
+    {:ok, args}
+  end
+
+  def handle_call(:force_update, _from, _state) do
+    new_stats = get_stat_data()
+    {:reply, new_stats, new_stats}
+  end
+
+  def handle_call(:get_state, _from, state) do
+    {:reply, state, state}
   end
 
-  def schedule_update do
-    update_stats()
-    spawn(fn ->
-      Process.sleep(1000 * 60 * 60 * 1) # 1 hour
-      schedule_update()
-    end)
+  def handle_cast(:run_update, _state) do
+    new_stats = get_stat_data()
+
+    {:noreply, new_stats}
   end
 
-  def update_stats do
-    peers = from(u in Pleroma.User,
-      select: fragment("?->'host'", u.info),
-      where: u.local != ^true)
-    |> Repo.all() |> Enum.uniq()
+  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_count = Repo.aggregate(User.Query.build(%{local: true}), :sum, :note_count)
+
+    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