Module: TimeCalculations

Included in:
Date, DateTime, Time
Defined in:
lib/time_calculations.rb,
lib/time_calculations/version.rb

Constant Summary collapse

VERSION = 
"0.0.2"

Instance Method Summary collapse

Instance Method Details

#beginning_of_hour ⇒ Object 



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# File 'lib/time_calculations.rb', line 5

def beginning_of_hour
  change(:min => 0, :sec => 0, :usec => 0)
end

#beginning_of_minute ⇒ Object 



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# File 'lib/time_calculations.rb', line 9

def beginning_of_minute
  change(:sec => 0, :usec => 0)
end

#round_up(what) ⇒ Object 



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# File 'lib/time_calculations.rb', line 13

def round_up(what)
  case what
  when :year
    self == beginning_of_year ? self : advance(:years => 1).beginning_of_year
  when :month
    self == beginning_of_month ? self : advance(:months => 1).beginning_of_month
  when :day
    return self unless acts_like?(:time)
    self == beginning_of_day ? self : advance(:days => 1).beginning_of_day
  when :hour
    return self unless acts_like?(:time)
    self == beginning_of_hour ? self : advance(:hours => 1).beginning_of_hour
  when :minute
    return self unless acts_like?(:time)
    self == beginning_of_minute ? self : advance(:minutes => 1).beginning_of_minute
  else
    raise ArgumentError, "Don't know how to round up #{what}"
  end
end