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# frozen_string_literal: true
module Gitlab::UsageDataCounters
class BaseCounter
extend RedisCounter
UnknownEvent = Class.new(StandardError)
class << self
def redis_key(event)
require_known_event(event)
"USAGE_#{prefix}_#{event}".upcase
end
def count(event)
increment(redis_key(event))
end
def read(event)
total_count(redis_key(event))
end
def totals
known_events.to_h { |event| [counter_key(event), read(event)] }
end
def fallback_totals
known_events.to_h { |event| [counter_key(event), -1] }
end
def fetch_supported_event(event_name)
return if prefix.present? && !event_name.start_with?(prefix)
known_events.find { |event| counter_key(event) == event_name.to_sym }
end
private
def require_known_event(event)
Gitlab::ErrorTracking.track_and_raise_for_dev_exception(UnknownEvent.new, event: event) unless known_events.include?(event.to_s)
end
def counter_key(event)
"#{prefix}_#{event}".to_sym
end
def known_events
self::KNOWN_EVENTS
end
def prefix
self::PREFIX
end
end
end
end
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