Class: DateTime

Inherits:
Object
  • Object
show all
Defined in:
lib/mo2tex/extensions/date_time.rb

Constant Summary collapse

ITWDAYS = 
[ 'domenica', 'lunedì', 'martedì', 'mercoledì', 'giovedì', 'venerdì', 'sabato', ]
FIRST_MIDNIGHT = 
DateTime.new(0, 1, 1, 0, 0, 0, 0)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.dayfrac_to_dt(frac) ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 41

def dayfrac_to_dt(frac)
  return first_midnight + frac.to_r
end

.dayfrac_to_dur(frac) ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 54

def dayfrac_to_dur(frac)
  return ((frac.to_r*24)*10).round/10.0
end

.dayfrac_to_hm(frac) ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 45

def dayfrac_to_hm(frac)
  dt = dayfrac_to_dt(frac)
  return [dt.hour, dt.minute]
end

.dayfrac_to_hms(frac) ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 50

def dayfrac_to_hms(frac)
  return dayfrac_to_dt(frac).hm_to_s
end

.first_midnight ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 37

def first_midnight
  return FIRST_MIDNIGHT
end

.from_it_wday(wday) ⇒ Object

Raises:

  • (UnexistentWeekDay) 


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# File 'lib/mo2tex/extensions/date_time.rb', line 58

def from_it_wday(wday)
  result = ITWDAYS.index(wday)
  raise UnexistentWeekDay, wday unless result
  return result
end

Instance Method Details

#day_only ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 24

def day_only
  return self.to_date.to_datetime
end

#hm_to_s ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 7

def hm_to_s
  result = sprintf("%02d:%02d", self.hour, self.minute)
  return result
end

#round_to_ymdhm ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 28

def round_to_ymdhm
  result = DateTime.new(self.year, self.month, self.day, self.hour, self.min, 0, 0)
  return result
end

#to_it_roff_wday ⇒ Object 



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# File 'lib/mo2tex/extensions/date_time.rb', line 20

def to_it_roff_wday
  return to_it_wday.sub(/ì/, "\\(`i")
end

#to_it_wday ⇒ Object

Raises:

  • (UnexistentWeekDay) 


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# File 'lib/mo2tex/extensions/date_time.rb', line 14

def to_it_wday
  result = ITWDAYS[self.wday]
  raise UnexistentWeekDay, wd.to_s unless result
  return result
end