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class Date
def start_of_frequency(freq)
case freq.to_sym
when :daily then self
when :weekly then self.beginning_of_week
when :monthly then self.beginning_of_month
when :quarterly then self.beginning_of_quarter
when :annual then self.beginning_of_year
when :annually then self.beginning_of_year
else
self
end
end
def end_of_frequency(freq)
case freq.to_sym
when :daily then self
when :weekly then self.end_of_week
when :monthly then self.end_of_month
when :quarterly then self.end_of_quarter
when :annual then self.end_of_year
when :annually then self.end_of_year
else
self
end
end
def ranging_until( date )
self..date
end
def occurrences_of_frequency_ahead( occurrences, freq )
occurrences_of_frequency_ago( occurrences.to_i * -1, freq )
end
def occurrences_of_frequency_ago( occurrences, freq )
occurrences_of_frequency( occurrences, freq )
end
def occurrences_of_frequency( occurrences, freq )
# ensure occurrences is an integer
occurrences = occurrences.to_i
case freq.try(:to_sym)
when :weekly then self - occurrences.weeks
when :monthly then self - occurrences.months
when :quarterly then self - ( occurrences * 3 ).months
when :annual then self - occurrences.years
when :annually then self - occurrences.years
else
self - occurrences
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems