forked from mirrors/akkoma
142 lines
3.1 KiB
Elixir
142 lines
3.1 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Stats do
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use GenServer
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import Ecto.Query
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alias Pleroma.CounterCache
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alias Pleroma.Repo
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alias Pleroma.User
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@interval :timer.seconds(60)
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def start_link(_) do
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GenServer.start_link(
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__MODULE__,
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nil,
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name: __MODULE__
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)
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end
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@impl true
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def init(_args) do
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{:ok, nil, {:continue, :calculate_stats}}
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end
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@doc "Performs update stats"
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def force_update do
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GenServer.call(__MODULE__, :force_update)
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end
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@doc "Performs collect stats"
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def do_collect do
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GenServer.cast(__MODULE__, :run_update)
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end
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@doc "Returns stats data"
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@spec get_stats() :: %{
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domain_count: non_neg_integer(),
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status_count: non_neg_integer(),
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user_count: non_neg_integer()
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}
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def get_stats do
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%{stats: stats} = GenServer.call(__MODULE__, :get_state)
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stats
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end
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@doc "Returns list peers"
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@spec get_peers() :: list(String.t())
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def get_peers do
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%{peers: peers} = GenServer.call(__MODULE__, :get_state)
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peers
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end
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@spec calculate_stat_data() :: %{
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peers: list(),
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stats: %{
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domain_count: non_neg_integer(),
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status_count: non_neg_integer(),
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user_count: non_neg_integer()
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}
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}
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def calculate_stat_data do
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peers =
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from(
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u in User,
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select: fragment("distinct split_part(?, '@', 2)", u.nickname),
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where: u.local != ^true
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)
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|> Repo.all()
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|> Enum.filter(& &1)
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domain_count = Enum.count(peers)
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status_count = Repo.aggregate(User.Query.build(%{local: true}), :sum, :note_count)
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users_query =
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from(u in User,
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where: u.deactivated != true,
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where: u.local == true,
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where: not is_nil(u.nickname),
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where: not u.invisible
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)
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user_count = Repo.aggregate(users_query, :count, :id)
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%{
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peers: peers,
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stats: %{
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domain_count: domain_count,
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status_count: status_count || 0,
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user_count: user_count
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}
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}
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end
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@spec get_status_visibility_count(String.t() | nil) :: map()
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def get_status_visibility_count(instance \\ nil) do
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if is_nil(instance) do
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CounterCache.get_sum()
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else
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CounterCache.get_by_instance(instance)
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end
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end
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@impl true
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def handle_continue(:calculate_stats, _) do
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stats = calculate_stat_data()
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Process.send_after(self(), :run_update, @interval)
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{:noreply, stats}
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end
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@impl true
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def handle_call(:force_update, _from, _state) do
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new_stats = calculate_stat_data()
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{:reply, new_stats, new_stats}
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end
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@impl true
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def handle_call(:get_state, _from, state) do
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{:reply, state, state}
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end
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@impl true
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def handle_cast(:run_update, _state) do
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new_stats = calculate_stat_data()
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{:noreply, new_stats}
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end
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@impl true
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def handle_info(:run_update, _) do
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new_stats = calculate_stat_data()
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Process.send_after(self(), :run_update, @interval)
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{:noreply, new_stats}
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end
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end
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