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require "active_support/core_ext/time/zones"
module ActiveModel
module Type
module Helpers
module TimeValue # :nodoc:
def serialize(value)
value = apply_seconds_precision(value)
if value.acts_like?(:time)
zone_conversion_method = is_utc? ? :getutc : :getlocal
if value.respond_to?(zone_conversion_method)
value = value.send(zone_conversion_method)
end
end
value
end
def is_utc?
::Time.zone_default.nil? || ::Time.zone_default =~ 'UTC'
end
def default_timezone
if is_utc?
:utc
else
:local
end
end
def apply_seconds_precision(value)
return value unless precision && value.respond_to?(:usec)
number_of_insignificant_digits = 6 - precision
round_power = 10 ** number_of_insignificant_digits
value.change(usec: value.usec / round_power * round_power)
end
def type_cast_for_schema(value)
"'#{value.to_s(:db)}'"
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
is_utc? ? time : time.getlocal
else
::Time.public_send(default_timezone, year, mon, mday, hour, min, sec, microsec) rescue nil
end
end
ISO_DATETIME = /\A(\d{4})-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)(\.\d+)?\z/
# Doesn't handle time zones.
def fast_string_to_time(string)
if string =~ ISO_DATETIME
microsec = ($7.to_r * 1_000_000).to_i
new_time $1.to_i, $2.to_i, $3.to_i, $4.to_i, $5.to_i, $6.to_i, microsec
end
end
end
end
end
end
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