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module IceCube
module Validations::Day
def day(*days)
days = days.flatten
return self if days.empty?
days.flatten.each do |day|
unless day.is_a?(Integer) || day.is_a?(Symbol)
raise ArgumentError, "expecting Integer or Symbol value for day, got #{day.inspect}"
end
day = TimeUtil.sym_to_wday(day)
verify_alignment(day, :wday, :day) { |error| raise error }
validations_for(:day) << Validation.new(day)
end
clobber_base_validations(:wday, :day)
self
end
class Validation < Validations::FixedValue
attr_reader :day
alias :value :day
def initialize(day)
@day = day
end
def key
:day
end
def type
:wday
end
def dst_adjust?
true
end
def build_s(builder)
builder.piece(:day) << day
end
def build_hash(builder)
builder.validations_array(:day) << day
end
def build_ical(builder)
ical_day = IcalBuilder.fixnum_to_ical_day(day)
# Only add if there aren't others from day_of_week that override
if builder['BYDAY'].none? { |b| b.end_with?(ical_day) }
builder['BYDAY'] << ical_day
end
end
StringBuilder.register_formatter(:day) do |validation_days|
# sort the days
validation_days.sort!
# pick the right shortening, if applicable
if validation_days == [0, 6]
IceCube::I18n.t('ice_cube.on_weekends')
elsif validation_days == (1..5).to_a
IceCube::I18n.t('ice_cube.on_weekdays')
else
day_names = ->(d){ "#{IceCube::I18n.t("ice_cube.days_on")[d]}" }
segments = validation_days.map(&day_names)
IceCube::I18n.t('ice_cube.on_days', days: StringBuilder.sentence(segments))
end
end
end
end
end
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