akkoma/lib/pleroma/stats.ex
2019-12-21 11:41:19 +00:00

100 lines
2 KiB
Elixir

# 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
import Ecto.Query
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
@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
%{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 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 handle_cast(:run_update, _state) do
new_stats = get_stat_data()
{:noreply, new_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_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