Class: Daigaku::Course

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ Course

Returns a new instance of Course.



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# File 'lib/daigaku/course.rb', line 8

def initialize(path)
  @path = path
  @title = File.basename(path).gsub(/\_+/, ' ')
  @author = QuickStore.store.get(key(:author))
end

Instance Attribute Details

#author ⇒ Object (readonly)

Returns the value of attribute author.



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# File 'lib/daigaku/course.rb', line 6

def author
  @author
end

#link ⇒ Object (readonly)

Returns the value of attribute link.



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# File 'lib/daigaku/course.rb', line 6

def link
  @link
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/daigaku/course.rb', line 6

def path
  @path
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/daigaku/course.rb', line 6

def title
  @title
end

Class Method Details

.unzip(file_path, options = {}) ⇒ Object 



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# File 'lib/daigaku/course.rb', line 41

def unzip(file_path, options = {})
  target_dir = File.dirname(file_path)
  course_dir = nil

  Zip::File.open(file_path) do |zip_file|
    zip_file.each do |entry|

      if options[:github_repo]
        first, *others = entry.to_s.split('/')
        directory = File.join(first.split('-')[0..-2].join('-'), others)
      else
        directory = entry.to_s
      end

      if course_dir.nil? && directory != '/'
        course_dir = File.join(target_dir, directory.gsub(/\/$/, ''))

        if Dir.exist?(course_dir)
          FileUtils.copy_entry("#{course_dir}/", "#{course_dir}_old/", true)
          FileUtils.rm_rf("#{course_dir}/.", secure: true)
        end
      end

      zip_file.extract(entry, "#{target_dir}/#{directory}") { true }
    end
  end

  FileUtils.rm(file_path)
rescue Exception => e
  puts e
  old_dir = "#{course_dir}_old/"
  FileUtils.copy_entry(old_dir, "#{course_dir}/", true) if Dir.exist?(old_dir)
ensure
  old_dir = "#{course_dir}_old/"
  FileUtils.rm_r(old_dir) if Dir.exist?(old_dir)
  return Course.new(course_dir) if course_dir
end

Instance Method Details

#chapters ⇒ Object 



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# File 'lib/daigaku/course.rb', line 14

def chapters
  @chapters ||= Loading::Chapters.load(@path)
end

#key(key_name) ⇒ Object 



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# File 'lib/daigaku/course.rb', line 26

def key(key_name)
  Storeable.key(title, prefix: 'courses', suffix: key_name)
end

#mastered? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/daigaku/course.rb', line 22

def mastered?
  chapters.reduce(true) { |mastered, chapter| mastered &&= chapter.mastered? }
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/daigaku/course.rb', line 18

def started?
  chapters.reduce(false) { |started, chapter| started ||= chapter.started? }
end