Class: Resource

Inherits:
Object
  • Object
show all
Defined in:
lib/sinatra/directory_listing/resource.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, page) ⇒ Resource

Returns a new instance of Resource.



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# File 'lib/sinatra/directory_listing/resource.rb', line 12

def initialize(file, page)
  @page = page
  @file = file
  @name_html = set_name(file)
  @mtime, @mtime_html = set_mtime(file)
  @size, @size_html = set_size(file)
end

Instance Attribute Details

#file ⇒ Object

Class definition for a single resource to be listed. Each resource object has accessors for its file name, regular name, size and mtime, as well as those components wrapped in html.



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# File 'lib/sinatra/directory_listing/resource.rb', line 10

def file
  @file
end

#mtime ⇒ Object

Class definition for a single resource to be listed. Each resource object has accessors for its file name, regular name, size and mtime, as well as those components wrapped in html.



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# File 'lib/sinatra/directory_listing/resource.rb', line 10

def mtime
  @mtime
end

#mtime_html ⇒ Object

Class definition for a single resource to be listed. Each resource object has accessors for its file name, regular name, size and mtime, as well as those components wrapped in html.



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# File 'lib/sinatra/directory_listing/resource.rb', line 10

def mtime_html
  @mtime_html
end

#name_html ⇒ Object

Class definition for a single resource to be listed. Each resource object has accessors for its file name, regular name, size and mtime, as well as those components wrapped in html.



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# File 'lib/sinatra/directory_listing/resource.rb', line 10

def name_html
  @name_html
end

#page ⇒ Object

Class definition for a single resource to be listed. Each resource object has accessors for its file name, regular name, size and mtime, as well as those components wrapped in html.



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# File 'lib/sinatra/directory_listing/resource.rb', line 10

def page
  @page
end

#size ⇒ Object

Class definition for a single resource to be listed. Each resource object has accessors for its file name, regular name, size and mtime, as well as those components wrapped in html.



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# File 'lib/sinatra/directory_listing/resource.rb', line 10

def size
  @size
end

#size_html ⇒ Object

Class definition for a single resource to be listed. Each resource object has accessors for its file name, regular name, size and mtime, as well as those components wrapped in html.



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# File 'lib/sinatra/directory_listing/resource.rb', line 10

def size_html
  @size_html
end

Class Method Details

.sort(resource_array, sortby, direction) ⇒ Object

Sort an array of resources by name, mtime, or size. Direction should be “ascending” or “descending”



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# File 'lib/sinatra/directory_listing/resource.rb', line 132

def self.sort(resource_array, sortby, direction)
  new_array = resource_array.sort_by {|a| a.send(sortby)}
  new_array.reverse! if direction == "descending"
  new_array
end

Instance Method Details

#set_mtime(file) ⇒ Object

Set the mtime for a file.

Returns the mtime as a Time object so it can be sorted.



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# File 'lib/sinatra/directory_listing/resource.rb', line 25

def set_mtime(file)
  f = File.join(File.join(@page.public_folder, URI.unescape(@page.request_path)), file)
  html = "\t<td>#{File.mtime(f).strftime(@page.last_modified_format)}</td>"
  return [File.mtime(f), html]
end

#set_name(file) ⇒ Object

Set the name of the file and its link.



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# File 'lib/sinatra/directory_listing/resource.rb', line 54

def set_name(file)

  ##
  # Make sure we're working with an unescaped file name and truncate it.
  # URI.unescape seems to work best to decode uris. 

  file = URI.unescape(file)
  file_truncated = file.truncate(@page.filename_truncate_length, '...')

  ##
  # If the requested resource is in the root public directory, the link is 
  # just the resource itself without the public directory path as well. 

  requested = Pathname.new(URI.unescape(@page.request_path)).cleanpath
  pub_folder = Pathname.new(@page.public_folder).cleanpath
  if requested.eql?(pub_folder)
    link = file
  else
    link = File.join(@page.request_path, file)
  end

  ##
  # Add a class of "dir" to directories and "file" to files.

  html = ""
  if File.directory?(URI.unescape(File.join(@page.public_folder, link)))
    html << "\t<td class='dir'>"
    
    ##
    # Append the sorting information if the current directory is sorted
    
    if @page.request_params["sortby"] && @page.request_params["direction"]
      link << "?sortby=" + @page.request_params["sortby"] + "&direction=" + @page.request_params["direction"]
    end
  else
    html << "\t<td class='file'>"
  end

  ##
  # Append the rest of the html. 
  # 
  # I haven't found a URI escaping library that will handle this
  # gracefully, so for now, we're going to just take care of spaces and 
  # apostrophes ourselves. 

  link = link.gsub(" ", "%20").gsub("'", "%27")
  html << "<a href='#{link}'>#{file_truncated}</a></td>"
  
  return html
end

#set_size(file) ⇒ Object

Set the size for a file.

Returns the size as number.



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# File 'lib/sinatra/directory_listing/resource.rb', line 36

def set_size(file)
  html = ""
  size = ''
  f = File.join(File.join(@page.public_folder, URI.unescape(@page.request_path)), file)
  if File.directory?(f)
    size = 0
    html = "\t<td>-</td>"
  else
    size = File.stat(f).size
    converted = Filesize.from("#{File.stat(f).size} B").pretty
    html = "\t<td>#{converted}</td>"
  end
  return [size, html]
end

#wrap ⇒ Object

Generate html for a resource.



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# File 'lib/sinatra/directory_listing/resource.rb', line 108

def wrap
  html = ""
  if @page.should_list_invisibles == true
    html << "\n\t<tr>
    #{@name_html}
    #{@mtime_html}
    #{@size_html}
    \t</tr>"
  else
    if @file[0] != "."
      html << "\n\t<tr>
      #{@name_html}
      #{@mtime_html}
      #{@size_html}
      </tr>"
    end
  end
  html
end