Class: Summary

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll-books/summary.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(folder) ⇒ Summary

Returns a new instance of Summary.



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# File 'lib/jekyll-books/summary.rb', line 8

def initialize(folder)
  @folder = folder
end

Instance Attribute Details

#folder ⇒ Object (readonly)

Returns the value of attribute folder.



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# File 'lib/jekyll-books/summary.rb', line 6

def folder
  @folder
end

Instance Method Details

#chapter_files ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 20

def chapter_files
  files = []
  Find.find(folder) do |f|
    if File.file?(f) and
       ![file_path, index_path].include?(f)
      files << f if File.file?(f)
    end
  end
  files.sort! do |f1, f2|
    File.ctime(f1) <=> File.ctime(f2) 
  end
end

#chapters ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 33

def chapters
  chapter_files.map do |f|
    {
      :title => get_title(f),
      :path => get_relative_path(f)
    }
  end
end

#file_path ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 12

def file_path
  File.join(folder, "SUMMARY.md")
end

#get_relative_path(file) ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 49

def get_relative_path(file)
  file.sub(folder + "/", "")
end

#get_title(file) ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 42

def get_title(file)
  content = File.read(file)
  html = Kramdown::Document.new(content).to_html
  parsed_html = Nokogiri::HTML(html)
  parsed_html.xpath("//h1/text()").to_s
end

#index_path ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 16

def index_path
  File.join(folder, "index.md")
end

#parse_chapter(chapter, level) ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 84

def parse_chapter(chapter, level)
  {
    "link" => chapter.xpath("a/@href").to_s,
    "title" => chapter.xpath("a/text()").to_s,
    "level" => level
  }
end

#read ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 64

def read
  content = File.read(file_path)
  html = Kramdown::Document.new(content).to_html
  parsed_html = Nokogiri::HTML(html)

  chapters = []
  parsed_html.xpath("//body/ul/li").each do |li|
    recursive_parse_chapter(li, 1, chapters)
  end
  chapters
end

#recursive_parse_chapter(content, level, result) ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 76

def recursive_parse_chapter(content, level, result)
  result << parse_chapter(content, level)

  content.xpath("ul/li").each do |li|
    recursive_parse_chapter(li, level + 1, result)
  end
end

#summary_title ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 92

def summary_title
  "# Summary\n\n"
end

#write(autoload = false) ⇒ Object 



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# File 'lib/jekyll-books/summary.rb', line 53

def write(autoload = false)
  File.open(file_path, "w+") do |f|
    f.write summary_title
    if autoload
      chapters.each do |chapter|
        f.write "* [#{chapter[:title]}](#{chapter[:path]})\n"
      end
    end
  end
end