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module ApplicationDaysSupport
extend ActiveSupport::Concern
MONDAY = 4
TUESDAY = 8
WEDNESDAY = 16
THURSDAY = 32
FRIDAY = 64
SATURDAY = 128
SUNDAY = 256
EVERYDAY = MONDAY | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY | SUNDAY
ALL_DAYS = %w(monday tuesday wednesday thursday friday saturday sunday).freeze
def display_day_types
ALL_DAYS.select{ |d| self.send(d) }.map{ |d| self.human_attribute_name(d).first(2)}.join(', ')
end
def day_by_mask(flag)
self.class.day_by_mask int_day_types, flag
end
def valid_day? wday
valid_days.include?(wday)
end
included do
def self.valid_days(int_day_types)
# Build an array with day of calendar week (1-7, Monday is 1).
[].tap do |valid_days|
valid_days << 1 if day_by_mask(int_day_types,MONDAY)
valid_days << 2 if day_by_mask(int_day_types,TUESDAY)
valid_days << 3 if day_by_mask(int_day_types,WEDNESDAY)
valid_days << 4 if day_by_mask(int_day_types,THURSDAY)
valid_days << 5 if day_by_mask(int_day_types,FRIDAY)
valid_days << 6 if day_by_mask(int_day_types,SATURDAY)
valid_days << 7 if day_by_mask(int_day_types,SUNDAY)
end
end
def self.day_by_mask(int_day_types,flag)
int_day_types & flag == flag
end
def self.all_days
ALL_DAYS
end
end
def valid_days
self.class.valid_days int_day_types
end
def monday
day_by_mask(MONDAY)
end
def tuesday
day_by_mask(TUESDAY)
end
def wednesday
day_by_mask(WEDNESDAY)
end
def thursday
day_by_mask(THURSDAY)
end
def friday
day_by_mask(FRIDAY)
end
def saturday
day_by_mask(SATURDAY)
end
def sunday
day_by_mask(SUNDAY)
end
def set_day(day,flag)
if day == '1' || day == true
self.int_day_types |= flag
else
self.int_day_types &= ~flag
end
shortcuts_update
end
def monday=(day)
set_day(day,4)
end
def tuesday=(day)
set_day(day,8)
end
def wednesday=(day)
set_day(day,16)
end
def thursday=(day)
set_day(day,32)
end
def friday=(day)
set_day(day,64)
end
def saturday=(day)
set_day(day,128)
end
def sunday=(day)
set_day(day,256)
end
end
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