Class: Coligny::ColignyDate

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(year, month, day, is_metonic = false) ⇒ ColignyDate

Returns a new instance of ColignyDate.



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# File 'lib/coligny.rb', line 297

def initialize(year, month, day, is_metonic=false)
  @is_metonic = is_metonic
  @year = year
  @day = day
  if @is_metonic
    @start_year = 4999
    @start_date = Date.new(1999, 5, 22)
    @months = ColignyYear.new(year, true).months
  else
    @start_year = 4998
    @start_date = Date.new(1998, 5, 3)
    @months = ColignyYear.new(year).months
  end
  @month = @months.find { |s| s.name == month }
end

Instance Attribute Details

#day ⇒ Object

Returns the value of attribute day.



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# File 'lib/coligny.rb', line 295

def day
  @day
end

#month ⇒ Object

Returns the value of attribute month.



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# File 'lib/coligny.rb', line 295

def month
  @month
end

#months ⇒ Object

Returns the value of attribute months.



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# File 'lib/coligny.rb', line 295

def months
  @months
end

#year ⇒ Object

Returns the value of attribute year.



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# File 'lib/coligny.rb', line 295

def year
  @year
end

Instance Method Details

#calc_days(add) ⇒ Object 



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# File 'lib/coligny.rb', line 345

def calc_days(add)
  @day += add
  
  while @day > @month.days
    days_exceed_over
  end
  
  while @day < 1
    days_exceed_under
  end
end

#days_exceed_over ⇒ Object 



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# File 'lib/coligny.rb', line 313

def days_exceed_over
  if @months[@months.index(@month) + 1].nil?
    @day = @day - @month.days
    @year += 1
    if @is_metonic
      @months = ColignyYear.new(@year, true).months
    else
      @months = ColignyYear.new(@year).months
    end
    @month = @months[0]
  else
    @day = @day - @month.days
    @month = @months[@months.index(@month) + 1]
  end
end

#days_exceed_under ⇒ Object 



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# File 'lib/coligny.rb', line 329

def days_exceed_under
  if @month == @months[0]
    @year -= 1
    if @is_metonic
      @months = ColignyYear.new(@year, true).months
    else
      @months = ColignyYear.new(@year).months
    end
    @month = @months[-1]
    @day = @month.days + (@day)
  else
    @month = @months[@months.index(@month) - 1]
    @day = @month.days + (@day)
  end
end

#earlier_check(check_date) ⇒ Object 



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# File 'lib/coligny.rb', line 357

def earlier_check(check_date) 
  day_count = 0
       
  until self.month.name == check_date.month.name && self.day == check_date.day && self.year == check_date.year
    self.calc_days(1)
    day_count += 1
  end
  
  return day_count
end

#later_check(check_date) ⇒ Object 



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# File 'lib/coligny.rb', line 368

def later_check(check_date)
  day_count = 0
        
  until check_date.month.name == self.month.name && check_date.day == self.day && check_date.year == self.year
    check_date.calc_days(1)
    day_count += 1
  end
  
  return day_count
end

#to_gregorian_date ⇒ Object 



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# File 'lib/coligny.rb', line 379

def to_gregorian_date   
  if @is_metonic
    start = ColignyDate.new(4999, "Samonios", 1, true)
  else
    start = ColignyDate.new(4998, "Quimonios", 1)
  end  
  
  if (@year < @start_year)
    return @start_date - earlier_check(start)
  else
    return @start_date + later_check(start)
  end    
end