Class: RackStep::Router

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Router

Returns a new instance of Router.



18
19
20
 
# File 'lib/router.rb', line 18

def initialize
  @routes = Hash.new
end

Instance Attribute Details

#routes ⇒ Object

Will store all the possible routes. By default it’s empty and should be populated by the application (RackStep will add a 404 route, the others should be added by the user).



16
17
18
 
# File 'lib/router.rb', line 16

def routes
  @routes
end

Instance Method Details

#add_route(verb, path, controller) ⇒ Object 



22
23
24
25
26
 
# File 'lib/router.rb', line 22

def add_route(verb, path, controller)     
  path = path[1..-1] if path[0] == '/' # Ignoring the first char if path starts with '/'.
  route = Route.new(verb, path, controller)
  routes[route.id] = route
end

#add_route_for_all_verbs(path, controller) ⇒ Object

Adds new routes to the application, one for each possible http verb (GET, POST, DELETE and PUT).



46
47
48
49
50
51
 
# File 'lib/router.rb', line 46

def add_route_for_all_verbs(path, controller)
  add_route('GET', path, controller)
  add_route('POST', path, controller)
  add_route('DELETE', path, controller)
  add_route('PUT', path, controller)
end

#find_route_for(path, verb) ⇒ Object

Given a request, will parse it’s path to find what it the apropriate controller to respond it.



30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/router.rb', line 30

def find_route_for(path, verb)
  # Ignoring the first char if path starts with '/'. This way the path of
  # 'http//localhost/' will be the same of 'http://localhost' (both will
  # be empty strings).
  path = path[1..-1] if path[0] == '/'
  route_id = verb + path
  route = routes[route_id]
  # If no route was found, set it to 'notfound' route (maintaining the
  # original verb).
  route = routes["#{verb}notfound"] if route == nil

  return route
end