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module IceCube
module Validations::HourlyInterval
def interval(interval)
verify_alignment(interval, :hour, :interval) { |error| raise error }
@interval = normalized_interval(interval)
replace_validations_for(:interval, [Validation.new(@interval)])
clobber_base_validations(:hour)
self
end
class Validation
attr_reader :interval
def initialize(interval)
@interval = interval
end
def type
:hour
end
def dst_adjust?
false
end
def validate(step_time, start_time)
t0, t1 = start_time.to_i, step_time.to_i
sec = (t1 - t1 % ONE_HOUR) -
(t0 - t0 % ONE_HOUR)
hours = sec / ONE_HOUR
offset = (hours % interval).nonzero?
interval - offset if offset
end
def build_s(builder)
builder.base = IceCube::I18n.t("ice_cube.each_hour", count: interval)
end
def build_hash(builder)
builder[:interval] = interval
end
def build_ical(builder)
builder['FREQ'] << 'HOURLY'
builder['INTERVAL'] << interval unless interval == 1
end
end
end
end
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