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module PeriodSupport
extend ActiveSupport::Concern
included do
after_initialize :init_date_ranges
def init_date_ranges
self.date_ranges ||= []
end
### Calendar::Period
# Required by coocon
def build_period
Calendar::Period.new
end
def periods
@periods ||= init_periods
end
def init_periods
(date_ranges || [])
.each_with_index
.map( &Calendar::Period.method(:from_range) )
end
private :init_periods
validate :validate_periods
def validate_periods
periods_are_valid = periods.all?(&:valid?)
periods.each do |period|
if period.intersect?(periods)
period.errors.add(:base, I18n.t('calendars.errors.overlapped_periods'))
periods_are_valid = false
end
end
unless periods_are_valid
errors.add(:periods, :invalid)
end
end
def flatten_date_array attributes, key
date_int = %w(1 2 3).map {|e| attributes["#{key}(#{e}i)"].to_i }
Date.new(*date_int)
end
def periods_attributes=(attributes = {})
@periods = []
attributes.each do |index, period_attribute|
# Convert date_select to date
['begin', 'end'].map do |attr|
period_attribute[attr] = flatten_date_array(period_attribute, attr)
end
period = Calendar::Period.new(period_attribute.merge(id: index))
@periods << period unless period.marked_for_destruction?
end
date_ranges_will_change!
end
before_validation :fill_date_ranges
def fill_date_ranges
if @periods
self.date_ranges = @periods.map(&:range).compact.sort_by(&:begin)
end
end
after_save :clear_periods
def clear_periods
@periods = nil
end
private :clear_periods
end
end
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