Class: Kazoo::Router

Inherits:
Object
  • Object
show all
Defined in:
lib/kazoo/router.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Router

Returns a new instance of Router.



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# File 'lib/kazoo/router.rb', line 9

def initialize
  @routes = []
end

Class Method Details

.map(&blk) ⇒ Object 



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# File 'lib/kazoo/router.rb', line 3

def self.map(&blk)
  instance = new
  instance.instance_eval(&blk)
  instance
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/kazoo/router.rb', line 26

def call(env)
  @routes.each do |route|
    if matches = route[0].match(env['REQUEST_PATH'])
      env['HTTP_PREFIX'] = matches[0]
      env['PATH_INFO'] = env['PATH_INFO'].sub(route[0], '')
      response = route[1].call(env)
      return response if response[1]['X-Cascade'] != 'pass'
    end
  end
  
  # If no routes found
  default_response = [404, {'Content-Type' => 'text/plain', "X-Cascade" => "pass"}, 'The requested URI is not found']
  if @error_handler
    env['error'] = 'not_found'
    env['default_response'] = default_response
    @error_handler.call(env)
  else
    default_response
  end
end

#error_handler(app) ⇒ Object 



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# File 'lib/kazoo/router.rb', line 22

def error_handler(app)
  @error_handler = app
end

#match(path, options = {}) ⇒ Object 



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# File 'lib/kazoo/router.rb', line 13

def match(path, options = {})
  raise "You must match a route to an app using :to" unless options[:to] && options[:to].respond_to?(:call)
  if path.is_a?(Regexp)
    @routes << [ path, options[:to] ]
  elsif path.is_a?(String)
    @routes << [ Regexp.new("^#{path}"), options[:to] ]
  end
end