Module: Ext::Mount::ControllersClassMethods

Defined in:
lib/ext/mount.rb

Instance Method Summary collapse

Instance Method Details

#mount(path, opts = {}) ⇒ Object

Mounts the path given by ‘path’

Options :

* urls : list of accessible
* name : name of the controller, false sets no controller
* listing : set to false if you don't want directory listing.

Option defaults for ‘/var/my_path’ :

* urls : /my_path(|/.*)
* name : MyPath

Renders the view Views#mount_listing if dir listing is enabled.



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# File 'lib/ext/mount.rb', line 82

def mount(path, opts={})
  defaults = {
    :name    => File.basename(path).gsub(/(^|_)(.)/){ $2.upcase },
    :url     => "/#{File.basename(path)}",
    :listing => true
  } 
  opts = defaults.merge(opts)

  urls = ["#{opts[:url].sub(/\/+$/,'')}(|/.*)"]

  klass = Class.new() do
    meta_def(:urls) { urls }
    meta_def(:path) { path }
    meta_def(:listing?) { opts[:listing] }
  end
  klass.class_eval do
    def get(file='') # :nodoc:
      @private_path = File.join(self.class.path, file)
      @rel_path = file
      if File.directory?(@private_path)
        if self.class.listing?
          @public_path = @env.PATH_INFO.sub /\/$/, ''
          @parent_path = @public_path.sub(/[^\/]*$/,'')
          @files = Dir[File.join(@private_path, '*')].map{|f| File.basename(f)}
          class_short = self.class.name.gsub(/^.*::/,'').downcase

          view_name = "#{class_short}_listing"
          if app::Views.method_defined?(view_name)
            render view_name
          else
            render(:mount_listing)
          end
        else
          # TODO : Look if that controller exists
          forward(self::Unauthorized)
        end
      else
        sendfile(@private_path)
      end
    end
  end

  const_set(opts[:name], klass)
  self::r << klass # register route

  if $DBG
    puts "** mounted #{klass} => #{path}"
  end

  klass
end