helloworld/vendor/gems/chronic-0.2.2/lib/chronic/repeaters/repeater_day_portion.rb

   1 class Chronic::RepeaterDayPortion < Chronic::Repeater #:nodoc:
   2   @@morning = (6 * 60 * 60)..(12 * 60 * 60) # 6am-12am
   3   @@afternoon = (13 * 60 * 60)..(17 * 60 * 60) # 1pm-5pm
   4   @@evening = (17 * 60 * 60)..(20 * 60 * 60) # 5pm-8pm
   5   @@night = (20 * 60 * 60)..(24 * 60 * 60) # 8pm-12pm
   6
   7   def initialize(type)
   8     super
   9
  10     if type.kind_of? Integer
  11       @range = (@type * 60 * 60)..((@type + 12) * 60 * 60)
  12     else
  13       lookup = {:am => 1..(12 * 60 * 60),
  14                 :pm => (12 * 60 * 60)..(24 * 60 * 60),
  15                 :morning => @@morning,
  16                 :afternoon => @@afternoon,
  17                 :evening => @@evening,
  18                 :night => @@night}
  19       @range = lookup[type]
  20       lookup[type] || raise("Invalid type '#{type}' for RepeaterDayPortion")
  21     end
  22     @range || raise("Range should have been set by now")
  23   end
  24
  25   def next(pointer)
  26     super
  27
  28     full_day = 60 * 60 * 24
  29
  30     if !@current_span
  31       now_seconds = @now - Time.construct(@now.year, @now.month, @now.day)
  32       if now_seconds < @range.begin
  33         case pointer
  34         when :future
  35           range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
  36         when :past
  37           range_start = Time.construct(@now.year, @now.month, @now.day) - full_day + @range.begin
  38         end
  39       elsif now_seconds > @range.end
  40         case pointer
  41         when :future
  42           range_start = Time.construct(@now.year, @now.month, @now.day) + full_day + @range.begin
  43         when :past
  44           range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
  45         end
  46       else
  47         case pointer
  48         when :future
  49           range_start = Time.construct(@now.year, @now.month, @now.day) + full_day + @range.begin
  50         when :past
  51           range_start = Time.construct(@now.year, @now.month, @now.day) - full_day + @range.begin
  52         end
  53       end
  54
  55       @current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
  56     else
  57       case pointer
  58       when :future
  59         @current_span += full_day
  60       when :past
  61         @current_span -= full_day
  62       end
  63     end
  64   end
  65
  66   def this(context = :future)
  67     super
  68
  69     range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
  70     @current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
  71   end
  72
  73   def offset(span, amount, pointer)
  74     @now = span.begin
  75     portion_span = self.next(pointer)
  76     direction = pointer == :future ? 1 : -1
  77     portion_span + (direction * (amount - 1) * Chronic::RepeaterDay::DAY_SECONDS)
  78   end
  79
  80   def width
  81     @range || raise("Range has not been set")
  82     return @current_span.width if @current_span
  83     if @type.kind_of? Integer
  84       return (12 * 60 * 60)
  85     else
  86       @range.end - @range.begin
  87     end
  88   end
  89
  90   def to_s
  91     super << '-dayportion-' << @type.to_s
  92   end
  93 end