Class: Rack::FootNotes

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/footnotes.rb

Constant Summary collapse

VERSION = 
"0.0.4"

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}, &block) ⇒ FootNotes

Returns a new instance of FootNotes.



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# File 'lib/rack/footnotes.rb', line 7

def initialize(app, options = {}, &block)
  puts("Using rack-footnotes " + VERSION)

  @app = app
  @options = {
    :notes_path => 'notes',
    :css => "position: fixed; bottom: 0; left: 0; width: 100%; padding: 1em; background-color: rgba(245,242,137,0.6); margin: 0 auto;",
    :extra_css => ""
  }.merge(options)
  instance_eval(&block) if block_given?
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/footnotes.rb', line 19

def call(env)
  status, headers, body = @app.call(env)

  if headers['Content-Type'] == 'text/html'
    route = env['PATH_INFO']
    file = Dir.pwd + "/#{@options[:notes_path]}" + route.gsub(/\/$/,'') + '.txt'
    if File.exists?(file)
      note = File.readlines(file).to_s
      body = body.body.to_s
      body = body.gsub("</body>","<div id='racknotes'>#{note}</div><style>#racknotes { #{@options[:css]} #{@options[:extra_css]} }</style></body>")
    end
  end

  @response = Rack::Response.new(body, status, headers)
  @response.to_a
end