Class: Bookshop::Commands::Build

Inherits:
Thor::Group
  • Object
show all
Includes:
Thor::Actions
Defined in:
lib/bookshop/commands/build.rb

Overview

Define build commands for bookshop command line

Constant Summary collapse

BOOK_SOURCE = 
'book.html.erb'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Build

Returns a new instance of Build.



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# File 'lib/bookshop/commands/build.rb', line 18

def initialize
  @book = []
end

Class Method Details

.build_epub ⇒ Object 



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# File 'lib/bookshop/commands/build.rb', line 44

def self.build_epub
  clean_builds('epub')
  
  @output = :epub

  FileUtils.cp_r('book/epub/META-INF', 'builds/epub/', :verbose => true)
  FileUtils.mkdir 'builds/epub/OEBPS'
  FileUtils.cp_r('book/epub/mimetype', 'builds/epub/', :verbose => true)
  
  puts "Generating new html from erb"
  generate_file(BOOK_SOURCE, "builds/epub/OEBPS/book.html")
          
  # Generate the cover.html file
  puts "Generating new cover.html from erb"
  generate_file("frontmatter/cover.html.erb", "builds/epub/OEBPS/cover.html")
          
  # Generate the nav.html file
  puts "Generating new toc.html from erb"
  generate_file("frontmatter/toc.html.erb", "builds/epub/OEBPS/toc.html")
  
  # Generate the OPF file
  puts "Generating new content.opf from erb"
  generate_file("epub/OEBPS/content.opf.erb", "builds/epub/OEBPS/content.opf")
         
  # Generate the NCX file
  puts "Generating new toc.ncx from erb"
  generate_file("epub/OEBPS/toc.ncx.erb", "builds/epub/OEBPS/toc.ncx")
          
  FileUtils.cp_r 'book/assets', 'builds/epub/OEBPS/assets/', :verbose => true
  FileUtils.rm %w( builds/epub/OEBPS/assets/css/stylesheet.pdf.css
                   builds/epub/OEBPS/assets/css/stylesheet.html.css
                   builds/epub/OEBPS/assets/css/stylesheet.mobi.css )
  
  puts "Zipping up into epub"
  if RUBY_PLATFORM =~ /linux|darwin|cygwin/
    cmd = system("cd builds/epub/ && zip -X0 'book.epub' mimetype && zip -rDX9 'book.epub' * -x '*.DS_Store' -x mimetype")
  elsif RUBY_PLATFORM =~ /mingw|mswin32/
    cmd = system("cd builds/epub/ & zip.exe -X0 book.epub mimetype & zip.exe -rDX9 book.epub * -x mimetype")
  end
  
  puts "Validating with epubcheck"
  cmd = system("epubcheck builds/epub/book.epub")

end

.build_html ⇒ Object 



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# File 'lib/bookshop/commands/build.rb', line 34

def self.build_html 
  clean_builds( 'html' )  
  @output = :html
  
  puts "Generating new html from erb"
  generate_file(BOOK_SOURCE, "builds/html/book.html")
          
  FileUtils.cp_r('book/assets/', 'builds/html/', :verbose => true)
end

.build_mobi ⇒ Object 



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# File 'lib/bookshop/commands/build.rb', line 89

def self.build_mobi
  clean_builds('mobi')
  @output = :mobi

  FileUtils.cp_r('book/epub/META-INF', 'builds/mobi/', :verbose => true)
  FileUtils.mkdir 'builds/mobi/OEBPS'
  FileUtils.cp_r('book/epub/mimetype', 'builds/mobi/', :verbose => true)
  
  puts "Generating new html from erb"
  generate_file(BOOK_SOURCE, "builds/mobi/OEBPS/book.html")
        
  # Generate the nav.html file
  puts "Generating new toc.html from erb"
  generate_file("frontmatter/toc.html.erb", "builds/mobi/OEBPS/toc.html")
 
  # Generate the OPF file
  puts "Generating new content.opf from erb"
  generate_file("epub/OEBPS/content.opf.erb","builds/mobi/OEBPS/content.opf")
    
  # Generate the NCX file
  puts "Generating new toc.ncx from erb"
  generate_file("epub/OEBPS/toc.ncx.erb","builds/mobi/OEBPS/toc.ncx")
  
  FileUtils.cp_r 'book/assets', 'builds/mobi/OEBPS/assets/', :verbose => true
  FileUtils.rm %w( builds/mobi/OEBPS/assets/css/stylesheet.pdf.css
                   builds/mobi/OEBPS/assets/css/stylesheet.html.css
                   builds/mobi/OEBPS/assets/css/stylesheet.epub.css )
  
  puts "Zipping up into epub"
  if RUBY_PLATFORM =~ /linux|darwin|cygwin/
   cmd = system("cd builds/mobi/ && zip -X0 'book.epub' mimetype && zip -rDX9 'book.epub' * -x '*.DS_Store' -x mimetype")
  elsif RUBY_PLATFORM =~ /mingw|mswin32/
   cmd = system("cd builds/mobi/ & zip.exe -X0 'book.epub' mimetype & zip.exe -rDX9 'book.epub' * -x mimetype")
  end
  
  # Validate with Epubcheck
  puts "Validating with epubcheck"
  cmd  = system("epubcheck builds/mobi/book.epub")
  
  # Convert Epub to Mobi with Kindlegen
  puts "Generating mobi file with KindleGen"
  cmd = system("kindlegen builds/mobi/book.epub")
  
end

.build_pdf ⇒ Object 



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# File 'lib/bookshop/commands/build.rb', line 134

def self.build_pdf
  # Clean up any old builds
  clean_builds("pdf") 
  @output = :pdf
  # Generate the html from ERB
  puts "Generating new html from erb"
  generate_file(BOOK_SOURCE, 'builds/pdf/book.html')
  
  # Copy over html assets
  FileUtils.cp_r('book/assets/', 'builds/pdf/', :verbose => true)

  # Builds the pdf from builds/html/book.html
  puts "Building new pdf at builds/pdf/book.pdf from new html build"
  cmd = system("prince -v builds/pdf/book.html -o builds/pdf/book.pdf")
  
end

.clean_builds(build_type) ⇒ Object 



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# File 'lib/bookshop/commands/build.rb', line 22

def self.clean_builds(build_type)
  puts "Deleting any old builds"
  FileUtils.rm_r Dir.glob("builds/#{build_type}/*"), :verbose => true
end

.generate_file(src, dest) ⇒ Object 



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# File 'lib/bookshop/commands/build.rb', line 27

def self.generate_file(src, dest)
  src= import(src)
  File.open(dest, 'a') do |f|
    f << src
  end
end

.import(file) ⇒ Object

Renders <%= import(source.html.erb) %> files with ERB

When a new import() is encountered within source files it is

processed with this method and the result is added to 'erb'



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# File 'lib/bookshop/commands/build.rb', line 180

def self.import(file)
  load_yaml_files
  # Parse the source erb file
  ERB.new(File.read('book/'+file)).result(binding).gsub(/\n$/,'')
end

.load_yaml_files ⇒ Object

Load YAML files



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# File 'lib/bookshop/commands/build.rb', line 171

def self.load_yaml_files
  # Load the book.yml into the Book object
  @book = Book.new(YAML.load_file('config/book.yml'))
end

.source_root ⇒ Object

Define source root of application



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# File 'lib/bookshop/commands/build.rb', line 166

def self.source_root
  File.dirname(__FILE__)
end