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 | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index 90b6cd3685..7e134db118 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -1,7 +1,4 @@ require 'active_support/duration' -require 'active_support/core_ext/date/acts_like' -require 'active_support/core_ext/date/calculations' -require 'active_support/core_ext/date_time/conversions' class Time COMMON_YEAR_DAYS_IN_MONTH = [nil, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] @@ -22,7 +19,7 @@ class Time # 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 + # 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. @@ -41,9 +38,9 @@ class Time time_with_datetime_fallback(:local, *args) end - # Returns <tt>Time.zone.now</tt> when <tt>config.time_zone</tt> is set, otherwise just returns <tt>Time.now</tt>. + # 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_default ? ::Time.zone.now : ::Time.now + ::Time.zone ? ::Time.zone.now : ::Time.now end end @@ -92,12 +89,12 @@ class Time options[:weeks], partial_weeks = options[:weeks].divmod(1) options[:days] = (options[:days] || 0) + 7 * partial_weeks end - + unless options[:days].nil? options[:days], partial_days = options[:days].divmod(1) options[:hours] = (options[:hours] || 0) + 24 * partial_days end - + d = to_date.advance(options) time_advanced_by_date = change(:year => d.year, :month => d.month, :day => d.day) seconds_to_advance = (options[:seconds] || 0) + (options[:minutes] || 0) * 60 + (options[:hours] || 0) * 3600 @@ -117,6 +114,11 @@ class Time end alias :in :since + # Returns a new Time representing the time a number of specified weeks ago. + def weeks_ago(weeks) + advance(:weeks => -weeks) + end + # Returns a new Time representing the time a number of specified months ago def months_ago(months) advance(:months => -months) @@ -172,6 +174,11 @@ class Time end alias :at_end_of_week :end_of_week + # Returns a new Time representing the start of the given day in the previous week (default is Monday). + def prev_week(day = :monday) + ago(1.week).beginning_of_week.since(DAYS_INTO_WEEK[day].day).change(:hour => 0) + end + # Returns a new Time representing the start of the given day in next week (default is Monday). def next_week(day = :monday) since(1.week).beginning_of_week.since(DAYS_INTO_WEEK[day].day).change(:hour => 0) @@ -273,14 +280,8 @@ class Time # Layers additional behavior on Time#<=> so that DateTime and ActiveSupport::TimeWithZone instances # can be chronologically compared with a Time def compare_with_coercion(other) - # if other is an ActiveSupport::TimeWithZone, coerce a Time instance from it so we can do <=> comparison - other = other.comparable_time if other.respond_to?(:comparable_time) - if other.acts_like?(:date) - # other is a Date/DateTime, so coerce self #to_datetime and hand off to DateTime#<=> - to_datetime.compare_without_coercion(other) - else - compare_without_coercion(other) - end + # we're avoiding Time#to_datetime cause it's expensive + other.is_a?(Time) ? compare_without_coercion(other.to_time) : to_datetime <=> other end alias_method :compare_without_coercion, :<=> alias_method :<=>, :compare_with_coercion |