class Cyclical::MonthlyRule
holds weekly rule configuration
Public Instance Methods
aligned?(time, base)
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check if time is aligned to a base time, including interval check
# File lib/cyclical/rules/monthly_rule.rb, line 8 def aligned?(time, base) return false unless ((12 * base.year + base.mon) - (12 * time.year + time.mon)) % @interval == 0 return false unless [time.hour, time.min, time.sec] == [base.hour, base.min, base.sec] # the shortest filter we support is for days return false unless base.day == time.day || monthday_filters true end
step()
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default step of the rule
# File lib/cyclical/rules/monthly_rule.rb, line 17 def step @interval.months end
Protected Instance Methods
align(time, base)
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# File lib/cyclical/rules/monthly_rule.rb, line 41 def align(time, base) time = time.beginning_of_month + (base.day - 1).days unless time.day == base.day || monthday_filters # compensate crossing DST barrier (oh my...) offset = time.beginning_of_day.utc_offset time = time.beginning_of_day + base.hour.hours + base.min.minutes + base.sec.seconds time += (offset - time.utc_offset) time end
monthday_filters()
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# File lib/cyclical/rules/monthly_rule.rb, line 52 def monthday_filters filters(:weekdays) || filters(:monthdays) || filters(:yeardays) || filters(:weeks) || filters(:months) end
potential_next(current, base)
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Calls superclass method
Cyclical::Rule#potential_next
# File lib/cyclical/rules/monthly_rule.rb, line 23 def potential_next(current, base) candidate = super(current, base) rem = ((12 * base.year + base.mon) - (12 * candidate.year + candidate.mon)) % @interval return candidate if rem == 0 (candidate + rem.months).beginning_of_month end
potential_previous(current, base)
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Calls superclass method
Cyclical::Rule#potential_previous
# File lib/cyclical/rules/monthly_rule.rb, line 32 def potential_previous(current, base) candidate = super(current, base) rem = ((12 * base.year + base.mon) - (12 * candidate.year + candidate.mon)) % @interval return candidate if rem == 0 (candidate + rem.months - step).end_of_month end