Class: Hiccup::Enumerable::MonthlyEnumerator

Inherits:
ScheduleEnumerator show all
Defined in:
lib/hiccup/enumerable/monthly_enumerator.rb

Instance Attribute Summary

Attributes inherited from ScheduleEnumerator

#schedule

Instance Method Summary collapse

Methods inherited from ScheduleEnumerator

#initialize, #next, #next_occurrence_after, #next_occurrence_before, #prev

Constructor Details

This class inherits a constructor from Hiccup::Enumerable::ScheduleEnumerator

Instance Method Details

#first_occurrence_on_or_after(date) ⇒ Object 



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# File 'lib/hiccup/enumerable/monthly_enumerator.rb', line 8

def first_occurrence_on_or_after(date)
  result = nil
  monthly_pattern.each do |occurrence|
    temp = nil
    (0...30).each do |i| # If an occurrence doesn't occur this month, try up to 30 months in the future
      temp = monthly_occurrence_to_date(occurrence, shift_date_by_months(date, i))
      break if temp && (temp >= date)
    end
    next unless temp
    
    remainder = months_between(temp, start_date) % skip
    temp = monthly_occurrence_to_date(occurrence, shift_date_by_months(temp, skip - remainder)) if remainder > 0
    next unless temp
    
    result = temp if !result || (temp < result)
  end
  result
end

#first_occurrence_on_or_before(date) ⇒ Object 



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# File 'lib/hiccup/enumerable/monthly_enumerator.rb', line 27

def first_occurrence_on_or_before(date)
  result = nil
  monthly_pattern.each do |occurrence|
    temp = nil
    (0...30).each do |i| # If an occurrence doesn't occur this month, try up to 30 months in the past
      temp = monthly_occurrence_to_date(occurrence, shift_date_by_months(date, -i))
      break if temp && (temp <= date)
    end
    next unless temp
    
    remainder = months_between(temp, start_date) % skip
    temp = monthly_occurrence_to_date(occurrence, shift_date_by_months(temp, -remainder)) if remainder > 0
    next unless temp
    
    result = temp if !result || (temp > result)
  end
  result
end