module ActionDispatch::Routing::Mapper::HttpHelpers

Public Instance Methods

delete(*args, &block) click to toggle source

Define a route that only recognizes HTTP PUT. For supported arguments, see match.

Example:

delete 'broccoli', :to => 'foodbroccoli'

# File lib/action_dispatch/routing/mapper.rb, line 352
def delete(*args, &block)
  map_method(:delete, *args, &block)
end
get(*args, &block) click to toggle source

Define a route that only recognizes HTTP GET. For supported arguments, see match.

Example:

get 'bacon', :to => 'foodbacon'

# File lib/action_dispatch/routing/mapper.rb, line 322
def get(*args, &block)
  map_method(:get, *args, &block)
end
post(*args, &block) click to toggle source

Define a route that only recognizes HTTP POST. For supported arguments, see match.

Example:

post 'bacon', :to => 'foodbacon'

# File lib/action_dispatch/routing/mapper.rb, line 332
def post(*args, &block)
  map_method(:post, *args, &block)
end
put(*args, &block) click to toggle source

Define a route that only recognizes HTTP PUT. For supported arguments, see match.

Example:

put 'bacon', :to => 'foodbacon'

# File lib/action_dispatch/routing/mapper.rb, line 342
def put(*args, &block)
  map_method(:put, *args, &block)
end
redirect(*args, &block) click to toggle source

Redirect any path to another path:

match "/stories" => redirect("/posts")
# File lib/action_dispatch/routing/mapper.rb, line 359
def redirect(*args, &block)
  options = args.last.is_a?(Hash) ? args.pop : {}

  path      = args.shift || block
  path_proc = path.is_a?(Proc) ? path : proc { |params| path % params }
  status    = options[:status] || 301

  lambda do |env|
    req = Request.new(env)

    params = [req.symbolized_path_parameters]
    params << req if path_proc.arity > 1

    uri = URI.parse(path_proc.call(*params))
    uri.scheme ||= req.scheme
    uri.host   ||= req.host
    uri.port   ||= req.port unless req.standard_port?

    body = %Q(<html><body>You are being <a href="#{ERB::Util.h(uri.to_s)}">redirected</a>.</body></html>)

    headers = {
      'Location' => uri.to_s,
      'Content-Type' => 'text/html',
      'Content-Length' => body.length.to_s
    }

    [ status, headers, [body] ]
  end
end