Module: Scripturable::ClassMethods

Defined in:
lib/scripturable/scripturable.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_scripture_book(book) ⇒ Object 



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# File 'lib/scripturable/scripturable.rb', line 18

def self.from_scripture_book book
  book_number = case book
  when String
    book_hash = Scripturable::SCRIPTURE_BOOKS_META.find{|meta_book| meta_book['string_id'] == book.parameterize} 
    raise "book #{book} was not found" unless book_hash
    book_hash['number']
  when Fixnum
    raise "book #{book} was not found" unless book.between?(1,66)
    book
  end
  self.joins(:scripture_references).where("scripture_references.start_at >= #{book_number * 1000000} AND scripture_references.start_at < #{(book_number + 1) * 1000000}").uniq
end

.scripture_histogram ⇒ Object 



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# File 'lib/scripturable/scripturable.rb', line 42

def self.scripture_histogram
  book_numbers = self.span_scripture_book_numbers
  Hash[book_numbers.uniq.map{|r| [r, book_numbers.count(r)]}]
end

.scripture_spectrum ⇒ Object 



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# File 'lib/scripturable/scripturable.rb', line 37

def self.scripture_spectrum
  uniq_book_numbers = self.span_scripture_book_numbers.uniq
  Scripturable::SCRIPTURE_BOOKS_META.select{|b| uniq_book_numbers.include? b['number']}.map{|a| {'number' => a['number'], 'name' => a['name']}}
end

.span_scripture_book_numbers ⇒ Object

NOTE specifically converting ref to integer to provide a quick work around for an AR bug in postgres - github.com/rails/rails/issues/1718 It should be fixed in rails 4



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# File 'lib/scripturable/scripturable.rb', line 33

def self.span_scripture_book_numbers
  self.joins(:scripture_references).pluck('scripture_references.start_at').map{|ref| ref.to_i / 1000000}
end

Instance Method Details

#scripturable(options = {}) ⇒ Object 



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# File 'lib/scripturable/scripturable.rb', line 7

def scripturable options={}
  if options[:has_one] == true
    attr_accessible :scripture_references_attributes
    has_one :scripture_reference, :as => :scripturable, :dependent => :destroy 
    accepts_nested_attributes_for :scripture_reference, :allow_destroy => true
  else
    attr_accessible :scripture_references_attributes
    has_many :scripture_references, :as => :scripturable, :dependent => :destroy
    accepts_nested_attributes_for :scripture_references, :allow_destroy => true
  end

  def self.from_scripture_book book
    book_number = case book
    when String
      book_hash = Scripturable::SCRIPTURE_BOOKS_META.find{|meta_book| meta_book['string_id'] == book.parameterize} 
      raise "book #{book} was not found" unless book_hash
      book_hash['number']
    when Fixnum
      raise "book #{book} was not found" unless book.between?(1,66)
      book
    end
    self.joins(:scripture_references).where("scripture_references.start_at >= #{book_number * 1000000} AND scripture_references.start_at < #{(book_number + 1) * 1000000}").uniq
  end

  #NOTE specifically converting ref to integer to provide a quick work around for an AR bug in postgres - https://github.com/rails/rails/issues/1718 
  #It should be fixed in rails 4 
  def self.span_scripture_book_numbers
    self.joins(:scripture_references).pluck('scripture_references.start_at').map{|ref| ref.to_i / 1000000}
  end

  def self.scripture_spectrum
    uniq_book_numbers = self.span_scripture_book_numbers.uniq
    Scripturable::SCRIPTURE_BOOKS_META.select{|b| uniq_book_numbers.include? b['number']}.map{|a| {'number' => a['number'], 'name' => a['name']}}
  end

  def self.scripture_histogram
    book_numbers = self.span_scripture_book_numbers
    Hash[book_numbers.uniq.map{|r| [r, book_numbers.count(r)]}]
  end

end