diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/date/calculations.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/date/calculations.rb | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/activesupport/lib/active_support/core_ext/date/calculations.rb b/activesupport/lib/active_support/core_ext/date/calculations.rb index 6d4270f8b0..323126fcfa 100644 --- a/activesupport/lib/active_support/core_ext/date/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date/calculations.rb @@ -5,7 +5,15 @@ require 'active_support/core_ext/date/zones' require 'active_support/core_ext/time/zones' class Date - DAYS_INTO_WEEK = { :monday => 0, :tuesday => 1, :wednesday => 2, :thursday => 3, :friday => 4, :saturday => 5, :sunday => 6 } + DAYS_INTO_WEEK = { + :monday => 0, + :tuesday => 1, + :wednesday => 2, + :thursday => 3, + :friday => 4, + :saturday => 5, + :sunday => 6 + } class << self # Returns a new Date representing the date 1 day ago (i.e. yesterday's date). @@ -31,7 +39,7 @@ class Date # Returns true if the Date object's date is today. def today? - self.to_date == ::Date.current # we need the to_date because of DateTime + to_date == ::Date.current # we need the to_date because of DateTime end # Returns true if the Date object's date lies in the future. @@ -105,9 +113,9 @@ class Date # Date.new(2007, 5, 12).change(:year => 2005, :month => 1) # => Date.new(2005, 1, 12) def change(options) ::Date.new( - options[:year] || self.year, - options[:month] || self.month, - options[:day] || self.day + options.fetch(:year, year), + options.fetch(:month, month), + options.fetch(:day, day) ) end @@ -166,7 +174,7 @@ class Date def end_of_week(start_day = :monday) days_to_end = 6 - days_to_week_start(start_day) result = self + days_to_end.days - self.acts_like?(:time) ? result.end_of_day : result + acts_like?(:time) ? result.end_of_day : result end alias :at_end_of_week :end_of_week @@ -180,7 +188,7 @@ class Date # week. Default is +:monday+. +DateTime+ objects have their time set to 0:00. def prev_week(day = :monday) result = (self - 7).beginning_of_week + DAYS_INTO_WEEK[day] - self.acts_like?(:time) ? result.change(:hour => 0) : result + acts_like?(:time) ? result.change(:hour => 0) : result end alias :last_week :prev_week @@ -193,43 +201,57 @@ class Date # Returns a new Date/DateTime representing the start of the given day in next week (default is :monday). def next_week(day = :monday) result = (self + 7).beginning_of_week + DAYS_INTO_WEEK[day] - self.acts_like?(:time) ? result.change(:hour => 0) : result + acts_like?(:time) ? result.change(:hour => 0) : result end # Returns a new ; DateTime objects will have time set to 0:00DateTime representing the start of the month (1st of the month; DateTime objects will have time set to 0:00) def beginning_of_month - self.acts_like?(:time) ? change(:day => 1, :hour => 0) : change(:day => 1) + acts_like?(:time) ? change(:day => 1, :hour => 0) : change(:day => 1) end alias :at_beginning_of_month :beginning_of_month # Returns a new Date/DateTime representing the end of the month (last day of the month; DateTime objects will have time set to 0:00) def end_of_month - last_day = ::Time.days_in_month( self.month, self.year ) - self.acts_like?(:time) ? change(:day => last_day, :hour => 23, :min => 59, :sec => 59) : change(:day => last_day) + last_day = ::Time.days_in_month(month, year) + if acts_like?(:time) + change(:day => last_day, :hour => 23, :min => 59, :sec => 59) + else + change(:day => last_day) + end end alias :at_end_of_month :end_of_month # Returns a new Date/DateTime representing the start of the quarter (1st of january, april, july, october; DateTime objects will have time set to 0:00) def beginning_of_quarter - beginning_of_month.change(:month => [10, 7, 4, 1].detect { |m| m <= self.month }) + first_quarter_month = [10, 7, 4, 1].detect { |m| m <= month } + beginning_of_month.change(:month => first_quarter_month) end alias :at_beginning_of_quarter :beginning_of_quarter # Returns a new Date/DateTime representing the end of the quarter (last day of march, june, september, december; DateTime objects will have time set to 23:59:59) def end_of_quarter - beginning_of_month.change(:month => [3, 6, 9, 12].detect { |m| m >= self.month }).end_of_month + last_quarter_month = [3, 6, 9, 12].detect { |m| m >= month } + beginning_of_month.change(:month => last_quarter_month).end_of_month end alias :at_end_of_quarter :end_of_quarter # Returns a new Date/DateTime representing the start of the year (1st of january; DateTime objects will have time set to 0:00) def beginning_of_year - self.acts_like?(:time) ? change(:month => 1, :day => 1, :hour => 0) : change(:month => 1, :day => 1) + if acts_like?(:time) + change(:month => 1, :day => 1, :hour => 0) + else + change(:month => 1, :day => 1) + end end alias :at_beginning_of_year :beginning_of_year # Returns a new Time representing the end of the year (31st of december; DateTime objects will have time set to 23:59:59) def end_of_year - self.acts_like?(:time) ? change(:month => 12, :day => 31, :hour => 23, :min => 59, :sec => 59) : change(:month => 12, :day => 31) + if acts_like?(:time) + change(:month => 12, :day => 31, :hour => 23, :min => 59, :sec => 59) + else + change(:month => 12, :day => 31) + end end alias :at_end_of_year :end_of_year |