Class: CalendariumRomanum::Calendar

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/calendarium-romanum/calendar.rb

Overview

Provides complete information concerning a liturgical year, it's days and celebrations occurring on them.

Constant Summary collapse

EFFECTIVE_FROM =

Day when the implemented calendar system became effective

Date.new(1970, 1, 1).freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(year, sanctorale = nil, temporale = nil, vespers: false) ⇒ Calendar

year: Integer returns a calendar for the liturgical year beginning with Advent of the specified civil year.


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# File 'lib/calendarium-romanum/calendar.rb', line 17

def initialize(year, sanctorale = nil, temporale = nil, vespers: false)
  if year < (EFFECTIVE_FROM.year - 1)
    raise system_not_effective
  end

  if temporale && temporale.year != year
    raise ArgumentError.new('Temporale year must be the same as year.')
  end

  @year = year
  @sanctorale = sanctorale || Sanctorale.new
  @temporale = temporale || Temporale.new(year)
  @populate_vespers = vespers

  @transferred = Transfers.new(@temporale, @sanctorale)
end

Instance Attribute Details

#sanctoraleObject (readonly)

Returns the value of attribute sanctorale


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# File 'lib/calendarium-romanum/calendar.rb', line 68

def sanctorale
  @sanctorale
end

#temporaleObject (readonly)

Returns the value of attribute temporale


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# File 'lib/calendarium-romanum/calendar.rb', line 67

def temporale
  @temporale
end

#yearObject (readonly)

Returns the value of attribute year


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# File 'lib/calendarium-romanum/calendar.rb', line 66

def year
  @year
end

Class Method Details

.for_day(date, *constructor_args) ⇒ Object

creates a Calendar for the liturgical year including given date


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# File 'lib/calendarium-romanum/calendar.rb', line 60

def for_day(date, *constructor_args)
  new(Temporale.liturgical_year(date), *constructor_args)
end

.mk_date(*args) ⇒ Object


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# File 'lib/calendarium-romanum/calendar.rb', line 35

def mk_date(*args)
  ex = TypeError.new('Date, DateTime or three Integers expected')

  if args.size == 3
    args.each do |a|
      unless a.is_a? Integer
        raise ex
      end
    end
    return Date.new(*args)

  elsif args.size == 1
    a = args.first
    unless a.is_a? Date
      raise ex
    end
    return a

  else
    raise ex
  end
end

Instance Method Details

#==(obj) ⇒ Object


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# File 'lib/calendarium-romanum/calendar.rb', line 70

def ==(obj)
  unless obj.is_a? Calendar
    return false
  end

  year == obj.year
end

#[](args) ⇒ Object


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# File 'lib/calendarium-romanum/calendar.rb', line 78

def [](args)
  if(args.is_a?(Range))
    args.map{|date| day(date)}
  else
    day(*args)
  end
end

#day(*args, vespers: false) ⇒ Object

accepts date information represented as Date, DateTime, or two to three integers (month - day or year - month - day); returns filled Day for the specified day


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# File 'lib/calendarium-romanum/calendar.rb', line 90

def day(*args, vespers: false)
  if args.size == 2
    date = Date.new(@year, *args)
    unless @temporale.date_range.include? date
      date = Date.new(@year + 1, *args)
    end
  else
    date = self.class.mk_date(*args)
    range_check date
  end

  if date < EFFECTIVE_FROM
    raise system_not_effective
  end

  celebrations = celebrations_for(date)
  vespers_celebration = nil
  if @populate_vespers || vespers
    begin
      vespers_celebration = first_vespers_on(date, celebrations)
    rescue RangeError
      # there is exactly one possible case when
      # range_check(date) passes and range_check(date + 1) fails:
      vespers_celebration = Temporale::CelebrationFactory.first_advent_sunday
    end
  end

  s = @temporale.season(date)
  Day.new(
    date: date,
    season: s,
    season_week: @temporale.season_week(s, date),
    celebrations: celebrations,
    vespers: vespers_celebration
  )
end

#ferial_lectionaryObject

Ferial lectionary cycle


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# File 'lib/calendarium-romanum/calendar.rb', line 133

def ferial_lectionary
  @year % 2 + 1
end

#freezeObject


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# File 'lib/calendarium-romanum/calendar.rb', line 137

def freeze
  @temporale.freeze
  @sanctorale.freeze
  super
end

#lectionaryObject

Sunday lectionary cycle


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# File 'lib/calendarium-romanum/calendar.rb', line 128

def lectionary
  LECTIONARY_CYCLES[@year % 3]
end