Class: Date

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

Instance Method Summary collapse

Instance Method Details

#beginning_of_month ⇒ Object 



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# File 'lib/expanded_date.rb', line 61

def beginning_of_month
  self::class.civil(self.year, self.month, 1)
end

#beginning_of_next_month ⇒ Object 



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# File 'lib/expanded_date.rb', line 73

def beginning_of_next_month
  self.beginning_of_month.next_month
end

#beginning_of_prev_month ⇒ Object 



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# File 'lib/expanded_date.rb', line 77

def beginning_of_prev_month
  self.beginning_of_month.prev_month
end

#end_of_month ⇒ Object 



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# File 'lib/expanded_date.rb', line 57

def end_of_month  
  self.beginning_of_next_month-1    
end

#end_of_next_month ⇒ Object 



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# File 'lib/expanded_date.rb', line 65

def end_of_next_month
  self.beginning_of_month.next_month.end_of_month
end

#end_of_prev_month ⇒ Object 



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# File 'lib/expanded_date.rb', line 69

def end_of_prev_month
  self.beginning_of_month-1
end

#next_month ⇒ Object

This date in next month. Raises ArgumentError: invalid date if the date does not exist.



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# File 'lib/expanded_date.rb', line 46

def next_month
  m = month + 1
  y = year
  if m == 13
    m = 1
    y = y + 1
  end
  d = day
  self::class.civil(y,m,d)
end

#next_week ⇒ Object 



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# File 'lib/expanded_date.rb', line 25

def next_week
  self + 7
end

#prev_month ⇒ Object

This date in previous month



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# File 'lib/expanded_date.rb', line 34

def prev_month
  m = month - 1
  y = year
  if m == 0
    m = 12
    y = y - 1
  end
  d = day
  self::class.civil(y,m,d)
end

#prev_week ⇒ Object 



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# File 'lib/expanded_date.rb', line 29

def prev_week
  self - 7
end

#tomorrow ⇒ Object 



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# File 'lib/expanded_date.rb', line 17

def tomorrow
  self + 1
end

#yesterday ⇒ Object 



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# File 'lib/expanded_date.rb', line 21

def yesterday
  self - 1
end