Class: Chronic::RepeaterDayPortion

Inherits:
Repeater show all
Defined in:
lib/chronic/repeaters/repeater_day_portion.rb

Overview

:nodoc:

Constant Summary collapse

@@morning =

6am-12am

(6 * 60 * 60)..(12 * 60 * 60)
@@afternoon =

1pm-5pm

(13 * 60 * 60)..(17 * 60 * 60)
@@evening =

5pm-8pm

(17 * 60 * 60)..(20 * 60 * 60)
@@night =

8pm-12pm

(20 * 60 * 60)..(24 * 60 * 60)

Instance Attribute Summary

Attributes inherited from Tag

#type

Instance Method Summary collapse

Methods inherited from Repeater

#<=>, scan, scan_for_day_names, scan_for_day_portions, scan_for_month_names, scan_for_season_names, scan_for_times, scan_for_units

Methods inherited from Tag

#start=

Constructor Details

#initialize(type) ⇒ RepeaterDayPortion

Returns a new instance of RepeaterDayPortion.



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 7

def initialize(type)
  super
  @current_span = nil
  
  if type.kind_of? Integer
    @range = (@type * 60 * 60)..((@type + 12) * 60 * 60)
  else
    lookup = {:am => 0..(12 * 60 * 60 - 1),
              :pm => (12 * 60 * 60)..(24 * 60 * 60 - 1),
              :morning => @@morning,
              :afternoon => @@afternoon,
              :evening => @@evening,
              :night => @@night}
    @range = lookup[type]
    lookup[type] || raise("Invalid type '#{type}' for RepeaterDayPortion")
  end
  @range || raise("Range should have been set by now")
end

Instance Method Details

#next(pointer) ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 26

def next(pointer)
  super
  
  full_day = 60 * 60 * 24
  
  if !@current_span
    now_seconds = @now - Time.construct(@now.year, @now.month, @now.day)
    if now_seconds < @range.begin
      case pointer
      when :future
        range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
      when :past
        range_start = Time.construct(@now.year, @now.month, @now.day) - full_day + @range.begin
      end
    elsif now_seconds > @range.end
      case pointer
      when :future
        range_start = Time.construct(@now.year, @now.month, @now.day) + full_day + @range.begin
      when :past
        range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
      end
    else
      case pointer
      when :future
        range_start = Time.construct(@now.year, @now.month, @now.day) + full_day + @range.begin
      when :past
        range_start = Time.construct(@now.year, @now.month, @now.day) - full_day + @range.begin
      end
    end
    
    @current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
  else
    case pointer
    when :future
      @current_span += full_day
    when :past
      @current_span -= full_day
    end
  end
end

#offset(span, amount, pointer) ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 74

def offset(span, amount, pointer)
  @now = span.begin
  portion_span = self.next(pointer)
  direction = pointer == :future ? 1 : -1
  portion_span + (direction * (amount - 1) * Chronic::RepeaterDay::DAY_SECONDS)
end

#this(context = :future) ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 67

def this(context = :future)
  super
  
  range_start = Time.construct(@now.year, @now.month, @now.day) + @range.begin
  @current_span = Chronic::Span.new(range_start, range_start + (@range.end - @range.begin))
end

#to_s ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 91

def to_s
  super << '-dayportion-' << @type.to_s
end

#width ⇒ Object 



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# File 'lib/chronic/repeaters/repeater_day_portion.rb', line 81

def width
  @range || raise("Range has not been set")
  return @current_span.width if @current_span
  if @type.kind_of? Integer
    return (12 * 60 * 60)
  else
    @range.end - @range.begin
  end
end