diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/time/calculations.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/time/calculations.rb | 117 |
1 files changed, 62 insertions, 55 deletions
diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index 46c9f05c15..ab8307429a 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -25,36 +25,27 @@ class Time end end - # Returns a new Time if requested year can be accommodated by Ruby's Time class - # (i.e., if year is within either 1970..2038 or 1902..2038, depending on system architecture); - # otherwise returns a DateTime. - def time_with_datetime_fallback(utc_or_local, year, month=1, day=1, hour=0, min=0, sec=0, usec=0) - time = ::Time.send(utc_or_local, year, month, day, hour, min, sec, usec) - - # This check is needed because Time.utc(y) returns a time object in the 2000s for 0 <= y <= 138. - if time.year == year - time - else - ::DateTime.civil_from_format(utc_or_local, year, month, day, hour, min, sec) - end - rescue - ::DateTime.civil_from_format(utc_or_local, year, month, day, hour, min, sec) + # Returns <tt>Time.zone.now</tt> when <tt>Time.zone</tt> or <tt>config.time_zone</tt> are set, otherwise just returns <tt>Time.now</tt>. + def current + ::Time.zone ? ::Time.zone.now : ::Time.now end - # Wraps class method +time_with_datetime_fallback+ with +utc_or_local+ set to <tt>:utc</tt>. - def utc_time(*args) - time_with_datetime_fallback(:utc, *args) - end + # Layers additional behavior on Time.at so that ActiveSupport::TimeWithZone and DateTime + # instances can be used when called with a single argument + def at_with_coercion(*args) + return at_without_coercion(*args) if args.size != 1 - # Wraps class method +time_with_datetime_fallback+ with +utc_or_local+ set to <tt>:local</tt>. - def local_time(*args) - time_with_datetime_fallback(:local, *args) - end + # Time.at can be called with a time or numerical value + time_or_number = args.first - # Returns <tt>Time.zone.now</tt> when <tt>Time.zone</tt> or <tt>config.time_zone</tt> are set, otherwise just returns <tt>Time.now</tt>. - def current - ::Time.zone ? ::Time.zone.now : ::Time.now + if time_or_number.is_a?(ActiveSupport::TimeWithZone) || time_or_number.is_a?(DateTime) + at_without_coercion(time_or_number.to_f).getlocal + else + at_without_coercion(time_or_number) + end end + alias_method :at_without_coercion, :at + alias_method :at, :at_with_coercion end # Seconds since midnight: Time.now.seconds_since_midnight @@ -73,11 +64,12 @@ class Time # Returns a new Time where one or more of the elements have been changed according # to the +options+ parameter. The time options (<tt>:hour</tt>, <tt>:min</tt>, - # <tt>:sec</tt>, <tt>:usec</tt>) reset cascadingly, so if only the hour is passed, - # then minute, sec, and usec is set to 0. If the hour and minute is passed, then - # sec and usec is set to 0. The +options+ parameter takes a hash with any of these - # keys: <tt>:year</tt>, <tt>:month</tt>, <tt>:day</tt>, <tt>:hour</tt>, <tt>:min</tt>, - # <tt>:sec</tt>, <tt>:usec</tt>. + # <tt>:sec</tt>, <tt>:usec</tt>, <tt>:nsec</tt>) reset cascadingly, so if only + # the hour is passed, then minute, sec, usec and nsec is set to 0. If the hour + # and minute is passed, then sec, usec and nsec is set to 0. The +options+ + # parameter takes a hash with any of these keys: <tt>:year</tt>, <tt>:month</tt>, + # <tt>:day</tt>, <tt>:hour</tt>, <tt>:min</tt>, <tt>:sec</tt>, <tt>:usec</tt> + # <tt>:nsec</tt>. Path either <tt>:usec</tt> or <tt>:nsec</tt>, not both. # # Time.new(2012, 8, 29, 22, 35, 0).change(day: 1) # => Time.new(2012, 8, 1, 22, 35, 0) # Time.new(2012, 8, 29, 22, 35, 0).change(year: 1981, day: 1) # => Time.new(1981, 8, 1, 22, 35, 0) @@ -89,21 +81,29 @@ class Time new_hour = options.fetch(:hour, hour) new_min = options.fetch(:min, options[:hour] ? 0 : min) new_sec = options.fetch(:sec, (options[:hour] || options[:min]) ? 0 : sec) - new_usec = options.fetch(:usec, (options[:hour] || options[:min] || options[:sec]) ? 0 : Rational(nsec, 1000)) + + if new_nsec = options[:nsec] + raise ArgumentError, "Can't change both :nsec and :usec at the same time: #{options.inspect}" if options[:usec] + new_usec = Rational(new_nsec, 1000) + else + new_usec = options.fetch(:usec, (options[:hour] || options[:min] || options[:sec]) ? 0 : Rational(nsec, 1000)) + end if utc? ::Time.utc(new_year, new_month, new_day, new_hour, new_min, new_sec, new_usec) elsif zone ::Time.local(new_year, new_month, new_day, new_hour, new_min, new_sec, new_usec) else + raise ArgumentError, 'argument out of range' if new_usec > 999999 ::Time.new(new_year, new_month, new_day, new_hour, new_min, new_sec + (new_usec.to_r / 1000000), utc_offset) end end - # Uses Date to provide precise Time calculations for years, months, and days. - # The +options+ parameter takes a hash with any of these keys: <tt>:years</tt>, - # <tt>:months</tt>, <tt>:weeks</tt>, <tt>:days</tt>, <tt>:hours</tt>, - # <tt>:minutes</tt>, <tt>:seconds</tt>. + # Uses Date to provide precise Time calculations for years, months, and days + # according to the proleptic Gregorian calendar. The +options+ parameter + # takes a hash with any of these keys: <tt>:years</tt>, <tt>:months</tt>, + # <tt>:weeks</tt>, <tt>:days</tt>, <tt>:hours</tt>, <tt>:minutes</tt>, + # <tt>:seconds</tt>. def advance(options) unless options[:weeks].nil? options[:weeks], partial_weeks = options[:weeks].divmod(1) @@ -116,6 +116,7 @@ class Time end d = to_date.advance(options) + d = d.gregorian if d.julian? time_advanced_by_date = change(:year => d.year, :month => d.month, :day => d.day) seconds_to_advance = \ options.fetch(:seconds, 0) + @@ -151,6 +152,16 @@ class Time alias :at_midnight :beginning_of_day alias :at_beginning_of_day :beginning_of_day + # Returns a new Time representing the middle of the day (12:00) + def middle_of_day + change(:hour => 12) + end + alias :midday :middle_of_day + alias :noon :middle_of_day + alias :at_midday :middle_of_day + alias :at_noon :middle_of_day + alias :at_middle_of_day :middle_of_day + # Returns a new Time representing the end of the day, 23:59:59.999999 (.999999999 in ruby1.9) def end_of_day change( @@ -160,6 +171,7 @@ class Time :usec => Rational(999999999, 1000) ) end + alias :at_end_of_day :end_of_day # Returns a new Time representing the start of the hour (x:00) def beginning_of_hour @@ -175,31 +187,26 @@ class Time :usec => Rational(999999999, 1000) ) end + alias :at_end_of_hour :end_of_hour - # Returns a Range representing the whole day of the current time. - def all_day - beginning_of_day..end_of_day - end - - # Returns a Range representing the whole week of the current time. - # Week starts on start_day, default is <tt>Date.week_start</tt> or <tt>config.week_start</tt> when set. - def all_week(start_day = Date.beginning_of_week) - beginning_of_week(start_day)..end_of_week(start_day) - end - - # Returns a Range representing the whole month of the current time. - def all_month - beginning_of_month..end_of_month + # Returns a new Time representing the start of the minute (x:xx:00) + def beginning_of_minute + change(:sec => 0) end + alias :at_beginning_of_minute :beginning_of_minute - # Returns a Range representing the whole quarter of the current time. - def all_quarter - beginning_of_quarter..end_of_quarter + # Returns a new Time representing the end of the minute, x:xx:59.999999 (.999999999 in ruby1.9) + def end_of_minute + change( + :sec => 59, + :usec => Rational(999999999, 1000) + ) end + alias :at_end_of_minute :end_of_minute - # Returns a Range representing the whole year of the current time. - def all_year - beginning_of_year..end_of_year + # Returns a Range representing the whole day of the current time. + def all_day + beginning_of_day..end_of_day end def plus_with_duration(other) #:nodoc: |