debianize-mobilizon/lib/service/statistics/statistics.ex

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defmodule Mobilizon.Service.Statistics do
@moduledoc """
A module that provides cached statistics
"""
alias Mobilizon.{Actors, Discussions, Events, Users}
alias Mobilizon.Federation.ActivityPub.Relay
def get_cached_value(key) do
case Cachex.fetch(:statistics, key, fn key ->
case create_cache(key) do
value when not is_nil(value) -> {:commit, value}
err -> {:ignore, err}
end
end) do
{status, value} when status in [:ok, :commit] -> value
_err -> nil
end
end
defp create_cache(:local_users) do
Users.count_users()
end
defp create_cache(:local_events) do
Events.count_local_events()
end
defp create_cache(:local_comments) do
Discussions.count_local_comments()
end
defp create_cache(:local_groups) do
Actors.count_local_groups()
end
defp create_cache(:federation_events) do
Events.count_events()
end
defp create_cache(:federation_comments) do
Discussions.count_comments()
end
defp create_cache(:federation_groups) do
Actors.count_groups()
end
defp create_cache(:instance_followers) do
relay_actor = Relay.get_actor()
Actors.count_followers_for_actor(relay_actor)
end
defp create_cache(:instance_followings) do
relay_actor = Relay.get_actor()
Actors.count_followings_for_actor(relay_actor)
end
end