OperationInterval

OperationInterval

class OperationInterval < ActiveRecord::Base
	include OperationIntervalsHelper
	
	before_save :fix_values
	before_update :fix_values
	
	AMPM = [ "am", "pm" ]
	HOURS = [ "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12" ]
	MINUTES = ["00", "15", "30", "45"]
	DAYS = ["M", "T", "W", "Th", "F", "S", "Su"]
	
	has_many :operation_intervals_locations
	has_many :locations, :through => :operation_intervals_locations
	
	attr_accessor :start_ampm, :end_ampm, :start_day, :end_day, :old_record
	attr_accessible :start_day, :end_day, :days, :start_hour, :start_minute, :end_hour, :end_minute, :closed, :start_ampm, :end_ampm, :f_start_hour, :f_end_hour, :old_record
	
	def start_ampm
		unless start_hour.nil?
			if start_hour >= 12
				return "pm"
			else
				return "am"
			end
		end
	end
	
	def start_ampm=(val)
		@start_ampm = val
	end
	
	def end_ampm
		unless end_hour.nil?
			if end_hour >= 12
				return "pm"
			else
				return "am"
			end
		end
	end
	
	def end_ampm=(val)
		@end_ampm = val
	end
	
	def f_start_hour
		unless new_record? || start_hour.nil?
			if (start_hour - 12 > 0)
				(start_hour - 12)
			else
				start_hour
			end
		end
	end
	
	def f_start_hour=(val)
		@f_start_hour = val
	end
	
	def f_end_hour
		unless new_record? || end_hour.nil?
			if (end_hour - 12 > 0)
				(end_hour - 12)
			else
				end_hour
			end
		end
	end
	
	def f_end_hour=(val)
		@f_end_hour = val
	end
	
	def start_day
		unless new_record? || days.nil?
			days.split("-").first
		end
	end
	
	def start_day=(val)
		@start_day = val
	end
	
	def end_day
		unless new_record? || days.nil?
			days.split("-").second
		end
	end
	
	def end_day=(val)
		@end_day = val
	end
	
	def fix_values
		unless empty?
			self.start_hour = (@f_start_hour.to_s + " " + @start_ampm).to_24.to_i
			self.end_hour = (@f_end_hour.to_s + " " + @end_ampm).to_24.to_i
			self.days = @start_day + (!@end_day.empty?? "-" + @end_day : "")
		end
	end
	
	def empty?
		start_day.nil? || start_day.empty?
	end
end