Class: Boxcab::PageMiddleware

Inherits:
Object
  • Object
show all
Defined in:
lib/boxcab/page_middleware.rb

Constant Summary collapse

BOXCAB_PATH = 
/^\/_boxcab\/(.*)/o
BOXCAB_PARAM_NAME = 
'boxcab_content'

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ PageMiddleware

Returns a new instance of PageMiddleware.



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# File 'lib/boxcab/page_middleware.rb', line 8

def initialize(app)
  @app = app
end

Instance Method Details

#_call(env) ⇒ Object 



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# File 'lib/boxcab/page_middleware.rb', line 16

def _call(env)
  if env['PATH_INFO'] =~ BOXCAB_PATH
    change_request(env, $1)
    decode_content(env)
  end

  @app.call(env)
end

#call(env) ⇒ Object 



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# File 'lib/boxcab/page_middleware.rb', line 12

def call(env)
  dup._call(env)
end

#change_request(env, path) ⇒ Object 



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# File 'lib/boxcab/page_middleware.rb', line 25

def change_request(env, path)
  path = "/#{path}"
  path = '/' if path == '/index'

  env['REQUEST_METHOD']     = 'GET'
  env['REQUEST_URI']        = path
  env['PATH_INFO']          = path
  env['ORIGINAL_FULLPATH']  = path
end

#decode_content(env) ⇒ Object 



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# File 'lib/boxcab/page_middleware.rb', line 35

def decode_content(env)
  request = Rack::Request.new(env)
  content = request.params[BOXCAB_PARAM_NAME]

  return if content.blank?

  decoded   = Base64.decode64(content)
  _content  = ActiveSupport::JSON.decode(URI.unescape(decoded))

  request.update_param(BOXCAB_PARAM_NAME, _content)
end