Class: Moments::Difference

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

Overview

Calculates differences between two given Time instances.

Instance Method Summary collapse

Constructor Details

#initialize(from, to) ⇒ Difference

Parameters:

from

A instance of Time

to

A instance of Time



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# File 'lib/moments/difference.rb', line 27

def initialize(from, to)
  @from = parse_argument from
  @to = parse_argument to

  @ordered_from, @ordered_to = [@from, @to].sort

  precise_difference
end

Instance Method Details

#future? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/moments/difference.rb', line 40

def future?
  @from < @to
end

#in_days ⇒ Object 



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# File 'lib/moments/difference.rb', line 64

def in_days
  in_hours / 24
end

#in_hours ⇒ Object 



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# File 'lib/moments/difference.rb', line 60

def in_hours
  in_minutes / 60
end

#in_minutes ⇒ Object 



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# File 'lib/moments/difference.rb', line 56

def in_minutes
  in_seconds / 60
end

#in_months ⇒ Object 



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# File 'lib/moments/difference.rb', line 68

def in_months
  months_diff = @ordered_to.month - @ordered_from.month
  months_diff -= 1 if months_diff.positive? && @ordered_to.mday < @ordered_from.mday

  (@ordered_to.year - @ordered_from.year) * 12 + months_diff
end

#in_seconds ⇒ Object 



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# File 'lib/moments/difference.rb', line 52

def in_seconds
  @ordered_to.to_i - @ordered_from.to_i
end

#in_years ⇒ Object 



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# File 'lib/moments/difference.rb', line 75

def in_years
  years_diff = @ordered_to.year - @ordered_from.year

  return years_diff unless years_diff.positive?
  return years_diff if @ordered_to.month > @ordered_from.month

  if (@ordered_to.month < @ordered_from.month) || (@ordered_to.mday < @ordered_from.mday)
    years_diff -= 1
  end

  years_diff
end

#past? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/moments/difference.rb', line 48

def past?
  @from > @to
end

#same? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/moments/difference.rb', line 44

def same?
  @from == @to
end

#to_hash ⇒ Object 



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# File 'lib/moments/difference.rb', line 36

def to_hash
  @diff
end