mastodon/app/lib/admin/metrics/measure/base_measure.rb

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# frozen_string_literal: true
class Admin::Metrics::Measure::BaseMeasure
def initialize(start_at, end_at)
@start_at = start_at&.to_datetime
@end_at = end_at&.to_datetime
end
def key
raise NotImplementedError
end
def total
raise NotImplementedError
end
def previous_total
raise NotImplementedError
end
def data
raise NotImplementedError
end
def self.model_name
self.class.name
end
def read_attribute_for_serialization(key)
send(key) if respond_to?(key)
end
protected
def time_period
(@start_at...@end_at)
end
def previous_time_period
((@start_at - length_of_period)...(@end_at - length_of_period))
end
def length_of_period
@length_of_period ||= @end_at - @start_at
end
end