Class: EbookLibrary::Ebook

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ebook_path) ⇒ Ebook

Returns a new instance of Ebook.



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# File 'lib/ebook_library/ebook.rb', line 8

def initialize(ebook_path)
  @path = ebook_path
  @raw_ebook = File.open ebook_path
  @adapter = get_adapter
end

Instance Attribute Details

#adapter ⇒ Object (readonly)

Returns the value of attribute adapter.



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# File 'lib/ebook_library/ebook.rb', line 7

def adapter
  @adapter
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/ebook_library/ebook.rb', line 7

def path
  @path
end

#raw_ebook ⇒ Object (readonly)

Returns the value of attribute raw_ebook.



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# File 'lib/ebook_library/ebook.rb', line 7

def raw_ebook
  @raw_ebook
end

Instance Method Details

#author ⇒ Object 



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# File 'lib/ebook_library/ebook.rb', line 18

def author
  has_metadata? ? adapter.author : "unknown"
end

#format ⇒ Object 



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# File 'lib/ebook_library/ebook.rb', line 22

def format
  @format ||= File.extname(path).gsub(/^./, "")
end

#has_metadata? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ebook_library/ebook.rb', line 30

def has_metadata?
  !metadata.nil?
end

#title ⇒ Object 



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# File 'lib/ebook_library/ebook.rb', line 14

def title
  has_metadata? ? adapter.title : "unknown"
end

#to_hash ⇒ Object 



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# File 'lib/ebook_library/ebook.rb', line 26

def to_hash
  Hash[attrs.map{|attr| [attr, send(attr)]}] if valid?
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ebook_library/ebook.rb', line 34

def valid?
  EbookFactory.supported_types.include?(format)
end