Class: Mangdown::Chapter

Inherits:
Object
  • Object
show all
Includes:
Enumerable, Equality
Defined in:
lib/mangdown/chapter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Equality

#<=>, #==, #eql?

Constructor Details

#initialize(name, uri) ⇒ Chapter

Returns a new instance of Chapter.



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# File 'lib/mangdown/chapter.rb', line 8

def initialize(name, uri)
    # use a valid name
	@name       = name.sub(/\s(\d+)$/) { |num| 
      ' ' + num.to_i.to_s.rjust(3, '0')
    }
    @manga      = name.slice(/(^.+)\s/, 1) 
    @chapter    = name.slice(/\d+\z/).to_i 
	@uri        = Mangdown::Uri.new(uri)
    @properties = Properties.new(@uri)
	@pages      = []

	get_pages
    @pages.sort_by! {|page| page.name}
end

Instance Attribute Details

#chapter ⇒ Object (readonly)

Returns the value of attribute chapter.



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# File 'lib/mangdown/chapter.rb', line 6

def chapter
  @chapter
end

#manga ⇒ Object (readonly)

Returns the value of attribute manga.



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# File 'lib/mangdown/chapter.rb', line 6

def manga
  @manga
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/mangdown/chapter.rb', line 6

def name
  @name
end

#pages ⇒ Object (readonly)

Returns the value of attribute pages.



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# File 'lib/mangdown/chapter.rb', line 6

def pages
  @pages
end

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/mangdown/chapter.rb', line 6

def uri
  @uri
end

Instance Method Details

#download_to(dir) ⇒ Object

download all pages in a chapter



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# File 'lib/mangdown/chapter.rb', line 41

def download_to(dir)
    dir   = Tools.relative_or_absolute_path(dir, @name)
    pages = map {|page| page.to_page}
    failed    = []
    succeeded = []

    Dir.mkdir(dir) unless Dir.exists?(dir)
    Tools.hydra_streaming(pages) do |stage, page, data=nil|
      case stage
      when :failed
        failed << page
      when :succeeded
        succeeded << page
      when :before
        path = page.file_path(dir)
        !File.exist?(path)
      when :body
        unless failed.include?(page)
          path = page.file_path(dir)
          File.open(path, 'ab') { |file| file.write(data) } 
        end
      when :complete
        unless failed.include?(page)
          path = page.file_path(dir)
          FileUtils.mv(path, "#{path}.#{Tools.file_type(path)}")
        end
      end
    end
    FileUtils.rm_rf(dir) if succeeded.empty?

    !succeeded.empty?
end

#each ⇒ Object

enumerates through pages



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# File 'lib/mangdown/chapter.rb', line 31

def each
  block_given? ? @pages.each { |page| yield(page) } : @pages.each
end

#inspect ⇒ Object Also known as: to_s 



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# File 'lib/mangdown/chapter.rb', line 23

def inspect
  "#<#{self.class} @name=#{name} @uri=#{uri} " +
  "@pages=[#{pages.first(10).join(',')}"       +
  "#{",..." if pages.length > 10}]>"
end

#to_chapter ⇒ Object

explicit conversion to chapter



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# File 'lib/mangdown/chapter.rb', line 36

def to_chapter
	self
end