Module: SeasonsOfLove

Defined in:
lib/seasons_of_love.rb,
lib/seasons_of_love/version.rb

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.split_dates_into_ranges(start_date, end_date, opts = {}) ⇒ Object

date trick taken from stackoverflow.com/questions/925905/is-it-possible-to-create-a-list-of-months-between-two-dates-in-rails -Dylan



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# File 'lib/seasons_of_love.rb', line 7

def self.split_dates_into_ranges(start_date, end_date, opts={})
  months = []
  
  if start_date.blank? || end_date.blank?
    if opts[:allow_nil]
      []
    else
      raise "Range of #{start_date} - #{end_date} is missing one endpoint."
    end
  else
    if opts[:format] == 'weeks'
      weeks = []
      beginning_of_week = opts[:beginning_of_week] || :sunday

      week_start = start_date
      while week_start <= end_date
        weeks << { :start_date => week_start, :end_date => [week_start.end_of_week(beginning_of_week), end_date].min}
        week_start = week_start.end_of_week(beginning_of_week) + 1.day
      end
      weeks
    else
      (start_date.year..end_date.year).each do |y|
        mo_start = (start_date.year == y) ? start_date.month : 1
        mo_end = (end_date.year == y) ? end_date.month : 12
        
        (mo_start..mo_end).each do |m|
          if (start_date.year == y && start_date.month == m)
            #first month in range
            start_of_month = start_date
          else
            start_of_month = Date.strptime("#{sprintf '%02d', m}/01/#{y}", "%m/%d/%Y")
          end
          
          if (end_date.year == y && end_date.month == m)
            #last month in range
            end_of_month = end_date
          else
            end_of_month = start_of_month.end_of_month
          end
          
          month_entry = {}
          month_entry[:start_date] = start_of_month
          month_entry[:end_date] = end_of_month
          month_entry[:month] = Date::MONTHNAMES[m]
          months << month_entry
        end
      end
      months
    end
  end
end