Class: Zmanim::Limudim::Calculators::Parsha

Inherits:
Object
  • Object
show all
Includes:
LimudCalculator
Defined in:
lib/zmanim/limudim/calculators/parsha.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from LimudCalculator

#default_starting_page, #find_cycle, #find_offset_units, #fractional_units, #initial_cycle_date, #limud, #skip_interval?, #starting_page, #tiered_units_for_interval, #unit_for_interval, #unit_step

Constructor Details

#initialize(in_israel: false) ⇒ Parsha

Returns a new instance of Parsha.



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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 9

def initialize(in_israel:false)
  @in_israel = in_israel
end

Instance Attribute Details

#in_israel ⇒ Object (readonly)

Returns the value of attribute in_israel.



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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 7

def in_israel
  @in_israel
end

Instance Method Details

#cycle_end_calculation ⇒ Object 



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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 29

def cycle_end_calculation
  ->(start_date, iteration) do
    perpetual_cycle_anchor.next_occurrence(start_date) - 1
  end
end

#cycle_units_calculation ⇒ Object 



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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 48

def cycle_units_calculation
  ->(cycle) do
    kviah = Zmanim::HebrewCalendar::HebrewDateFormatter.new.format_kviah(cycle.start_date.jewish_year)
    modifications = in_israel ?
                     {
                         'בחה' => [%i(matos masei), %i(nitzavim vayeilech)],
                         'בשז' => [],
                         'גכז' => [],
                         'החא' => [],
                         'השג' => [%i(nitzavim vayeilech)],
                         'זחג' => [%i(matos masei), %i(nitzavim vayeilech)],
                         'זשה' => [%i(matos masei), %i(nitzavim vayeilech)],
                         'בחג' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei), %i(nitzavim vayeilech)],
                         'בשה' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei), %i(nitzavim vayeilech)],
                         'גכה' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei), %i(nitzavim vayeilech)],
                         'הכז' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(matos masei)],
                         'השא' => [%i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei)],
                         'זחא' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei)],
                         'זשג' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei)],
                     }[kviah] :
                     {
                         'בחה' => [%i(chukas balak), %i(matos masei), %i(nitzavim vayeilech)],
                         'בשז' => [%i(matos masei)],
                         'גכז' => [%i(matos masei)],
                         'החא' => [],
                         'השג' => [%i(nitzavim vayeilech)],
                         'זחג' => [%i(matos masei), %i(nitzavim vayeilech)],
                         'זשה' => [%i(chukas balak), %i(matos masei), %i(nitzavim vayeilech)],
                         'בחג' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei), %i(nitzavim vayeilech)],
                         'בשה' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(chukas balak), %i(matos masei), %i(nitzavim vayeilech)],
                         'גכה' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(chukas balak), %i(matos masei), %i(nitzavim vayeilech)],
                         'הכז' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei)],
                         'השא' => [%i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei)],
                         'זחא' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei)],
                         'זשג' => [%i(vayakheil pikudei), %i(tazria metzora), %i(acharei kedoshim), %i(behar bechukosai), %i(matos masei), %i(nitzavim vayeilech)],
                     }[kviah]
    modifications.inject(default_units) do |transitioned_units, parsha_pair|
      index = transitioned_units.index(parsha_pair.first)
      transitioned_units[0...index] + [parsha_pair] + transitioned_units[(index + 2)..-1]
    end
  end
end

#default_units ⇒ Object 



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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 21

def default_units
  %i(bereishis noach lech_lecha vayeira chayei_sarah toldos vayeitzei vayishlach vayeishev mikeitz vayigash vayechi
     shemos vaeirah bo beshalach yisro mishpatim terumah tetzaveh ki_sisa vayakheil pekudei
     vayikra tzav shemini tazria metzora acharei kedoshim emor behar bechukosai
     bamidbar naso behaalosecha shelach korach chukas balak pinchas matos masei
     devarim vaeschanan eikev reei shoftim ki_seitzei ki_savo nitzavim vayeilech haazinu vezos_haberacha)
end

#interval_end_calculation ⇒ Object 



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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 35

def interval_end_calculation
  ->(cycle, start_date) do
    skips = in_israel ?
                    [[1, (15..21)], [3, [6]], [7, [1,2,10] + (15..21).to_a]] :
                    [[1, (15..22)], [3, [6,7]], [7, [1,2,10] + (15..22).to_a]]
    end_date = start_date + (7 - start_date.day_of_week)
    while skips.detect{|month, days| month == end_date.jewish_month && days.include?(end_date.jewish_day) } do
      end_date += 7
    end
    end_date > cycle.end_date ? cycle.end_date : end_date
  end
end

#perpetual_cycle_anchor ⇒ Object 



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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 17

def perpetual_cycle_anchor
  Zmanim::Limudim::Anchor::DayOfYearAnchor.new(7, in_israel ? 23 : 24)
end

#tiered_units? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zmanim/limudim/calculators/parsha.rb', line 13

def tiered_units?
  false
end