place_of_fixing

module ActiveSupport #:nodoc:
  module CoreExtensions #:nodoc:
    module Date #:nodoc:
      # Enables the use of time calculations within Time itself
      module Calculations
	          # Returns a new Date/DateTime representing the "start" of this week (i.e, Monday; DateTime objects will have time set to 0:00)
        def beginning_of_week
          days_to_monday = self.wday!=0 ? self.wday-1 : 6
          result = self - days_to_monday
          self.acts_like?(:time) ? result.midnight : result
        end
        alias :monday :beginning_of_week
        alias :at_beginning_of_week :beginning_of_week
 
        # Returns a new Date/DateTime representing the end of this week (Sunday, DateTime objects will have time set to 23:59:59)
        def end_of_week
          days_to_sunday = self.wday!=0 ? 7-self.wday : 0
          result = self + days_to_sunday.days
          self.acts_like?(:time) ? result.end_of_day : result
        end
        alias :at_end_of_week :end_of_week
      end
    end
  end
end

possible_patch

#second line of the function
def end_of_week
  days_to_sunday = self.wday!=0 ? 7-self.wday : 0
  result = self + days_to_sunday #removed .days since it's not really needed; makes the code confusing
  self.acts_like?(:time) ? result.end_of_day : result
end