diff options
Diffstat (limited to 'app/lib/admin/metrics/measure/base_measure.rb')
-rw-r--r-- | app/lib/admin/metrics/measure/base_measure.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/app/lib/admin/metrics/measure/base_measure.rb b/app/lib/admin/metrics/measure/base_measure.rb new file mode 100644 index 000000000..4c336a69e --- /dev/null +++ b/app/lib/admin/metrics/measure/base_measure.rb @@ -0,0 +1,46 @@ +# 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 |