forked from rails/rails
/
time_value.rb
90 lines (73 loc) · 2.56 KB
/
time_value.rb
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# frozen_string_literal: true
require "active_support/core_ext/string/zones"
require "active_support/core_ext/time/zones"
module ActiveModel
module Type
module Helpers # :nodoc: all
module TimeValue
def serialize(value)
value = apply_seconds_precision(value)
if value.acts_like?(:time)
if is_utc?
value = value.getutc if value.respond_to?(:getutc) && !value.utc?
else
value = value.getlocal if value.respond_to?(:getlocal)
end
end
value
end
def apply_seconds_precision(value)
return value unless precision && value.respond_to?(:nsec)
number_of_insignificant_digits = 9 - precision
round_power = 10**number_of_insignificant_digits
rounded_off_nsec = value.nsec % round_power
if rounded_off_nsec > 0
value.change(nsec: value.nsec - rounded_off_nsec)
else
value
end
end
def type_cast_for_schema(value)
value.to_s(:db).inspect
end
def user_input_in_time_zone(value)
value.in_time_zone
end
private
def new_time(year, mon, mday, hour, min, sec, microsec, offset = nil)
# Treat 0000-00-00 00:00:00 as nil.
return if year.nil? || (year == 0 && mon == 0 && mday == 0)
if offset
time = ::Time.utc(year, mon, mday, hour, min, sec, microsec) rescue nil
return unless time
time -= offset unless offset == 0
is_utc? ? time : time.getlocal
elsif is_utc?
::Time.utc(year, mon, mday, hour, min, sec, microsec) rescue nil
else
::Time.local(year, mon, mday, hour, min, sec, microsec) rescue nil
end
end
ISO_DATETIME = /
\A
(\d{4})-(\d\d)-(\d\d)(?:T|\s) # 2020-06-20T
(\d\d):(\d\d):(\d\d)(?:\.(\d{1,6})\d*)? # 10:20:30.123456
(?:(Z(?=\z)|[+-]\d\d)(?::?(\d\d))?)? # +09:00
\z
/x
def fast_string_to_time(string)
return unless ISO_DATETIME =~ string
usec = $7.to_i
usec_len = $7&.length
if usec_len&.< 6
usec *= 10**(6 - usec_len)
end
if $8
offset = $8 == "Z" ? 0 : $8.to_i * 3600 + $9.to_i * 60
end
new_time($1.to_i, $2.to_i, $3.to_i, $4.to_i, $5.to_i, $6.to_i, usec, offset)
end
end
end
end
end