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module Chronic
class Time
HOUR_SECONDS = 3600 # 60 * 60
MINUTE_SECONDS = 60
SECOND_SECONDS = 1 # haha, awesome
SUBSECOND_SECONDS = 0.001
# Checks if given number could be hour
def self.could_be_hour?(hour)
hour >= 0 && hour <= 24
end
# Checks if given number could be minute
def self.could_be_minute?(minute)
minute >= 0 && minute <= 60
end
# Checks if given number could be second
def self.could_be_second?(second)
second >= 0 && second <= 60
end
# Checks if given number could be subsecond
def self.could_be_subsecond?(subsecond)
subsecond >= 0 && subsecond <= 999999
end
# normalize offset in seconds to offset as string +mm:ss or -mm:ss
def self.normalize_offset(offset)
return offset if offset.is_a?(String)
offset = Chronic.time_class.now.to_time.utc_offset unless offset # get current system's UTC offset if offset is nil
sign = '+'
sign = '-' if offset < 0
hours = (offset.abs / 3600).to_i.to_s.rjust(2,'0')
minutes = (offset.abs % 3600).to_s.rjust(2,'0')
sign + hours + minutes
end
end
end
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