Class: Tod::Shift

Inherits:
Object
  • Object
show all
Defined in:
lib/tod/shift.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(beginning, ending) ⇒ Shift

Returns a new instance of Shift.

Raises:

  • (ArgumentError) 


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# File 'lib/tod/shift.rb', line 5

def initialize(beginning, ending)
  raise ArgumentError, "beginning can not be nil" unless beginning
  raise ArgumentError, "ending can not be nil" unless ending

  @beginning = beginning
  @ending = ending
  freeze # Shift instances are value objects
end

Instance Attribute Details

#beginning ⇒ Object (readonly)

Returns the value of attribute beginning.



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# File 'lib/tod/shift.rb', line 3

def beginning
  @beginning
end

#ending ⇒ Object (readonly)

Returns the value of attribute ending.



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# File 'lib/tod/shift.rb', line 3

def ending
  @ending
end

Instance Method Details

#duration ⇒ Object

Return shift duration in seconds. if ending is lower than beginning this method will calculate the duration as the ending time is from the following day



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# File 'lib/tod/shift.rb', line 27

def duration
  if ending >= beginning
    (ending.to_i - beginning.to_i)
  else
    start_of_day   = TimeOfDay.new(0,0,0)
    end_of_day     = TimeOfDay.new(23,59,59)
    duration_day_1 = (end_of_day.to_i - beginning.to_i) + 1
    duration_day_2 = (ending.to_i - start_of_day.to_i)
    duration_day_1 + duration_day_2
  end
end

#include?(tod) ⇒ Boolean

Returns true if the time of day is inside the shift (inclusive range), false otherwise

Returns:

  • (Boolean) 


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# File 'lib/tod/shift.rb', line 15

def include?(tod)
  if ending >= beginning
    tod >= beginning && tod <= ending
  else
    start_of_day   = TimeOfDay.new(0,0,0)
    end_of_day     = TimeOfDay.new(23,59,59)
    (tod >= beginning && tod <= end_of_day) || (tod >= start_of_day && tod <= ending)
  end
end