Class: DayBooks::Book

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

Constant Summary collapse

@@all = 
[]
@@all_titles = 
[]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title = nil, book_url = nil) ⇒ Book

Returns a new instance of Book.



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# File 'lib/book.rb', line 8

def initialize(title = nil, book_url = nil)
  @title = title
  @book_url = book_url
end

Instance Attribute Details

#all_titles ⇒ Object

Returns the value of attribute all_titles.



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# File 'lib/book.rb', line 4

def all_titles
  @all_titles
end

#book_url ⇒ Object

Returns the value of attribute book_url.



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# File 'lib/book.rb', line 4

def book_url
  @book_url
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/book.rb', line 4

def title
  @title
end

Class Method Details

.all ⇒ Object 



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# File 'lib/book.rb', line 13

def self.all
  @@all
end

.all_titles ⇒ Object 



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# File 'lib/book.rb', line 17

def self.all_titles
  @@all_titles
end

.create(title, book_url) ⇒ Object 



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# File 'lib/book.rb', line 35

def self.create(title, book_url)
  new_book = self.new(title, book_url)
  new_book.save
  new_book
end

.downcase_all_titles ⇒ Object 



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# File 'lib/book.rb', line 31

def self.downcase_all_titles
  @@all_titles.map {|title| title.downcase}
end

.empty_all ⇒ Object 



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# File 'lib/book.rb', line 26

def self.empty_all
  @@all.clear
  @@all_titles.clear
end

Instance Method Details

#save ⇒ Object 



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# File 'lib/book.rb', line 21

def save
  @@all << self
  @@all_titles << @title
end