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-rw-r--r--actionpack/lib/action_dispatch/routing/mapper.rb263
1 files changed, 177 insertions, 86 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 7947e9d393..1a1a054985 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -1,6 +1,7 @@
require 'active_support/core_ext/hash/except'
+require 'active_support/core_ext/hash/reverse_merge'
require 'active_support/core_ext/object/blank'
-require 'active_support/core_ext/object/inclusion'
+require 'active_support/core_ext/enumerable'
require 'active_support/inflector'
require 'action_dispatch/routing/redirection'
@@ -16,7 +17,7 @@ module ActionDispatch
end
end
- attr_reader :app
+ attr_reader :app, :constraints
def initialize(app, constraints, request)
@app, @constraints, @request = app, constraints, request
@@ -54,9 +55,20 @@ module ActionDispatch
def initialize(set, scope, path, options)
@set, @scope = set, scope
+ @segment_keys = nil
@options = (@scope[:options] || {}).merge(options)
@path = normalize_path(path)
normalize_options!
+
+ via_all = @options.delete(:via) if @options[:via] == :all
+
+ if !via_all && request_method_condition.empty?
+ msg = "You should not use the `match` method in your router without specifying an HTTP method.\n" \
+ "If you want to expose your action to GET, use `get` in the router:\n\n" \
+ " Instead of: match \"controller#action\"\n" \
+ " Do: get \"controller#action\""
+ raise msg
+ end
end
def to_route
@@ -213,7 +225,9 @@ module ActionDispatch
end
def segment_keys
- @segment_keys ||= Journey::Path::Pattern.new(
+ return @segment_keys if @segment_keys
+
+ @segment_keys = Journey::Path::Pattern.new(
Journey::Router::Strexp.compile(@path, requirements, SEPARATORS)
).names
end
@@ -241,7 +255,7 @@ module ActionDispatch
end
def self.normalize_name(name)
- normalize_path(name)[1..-1].gsub("/", "_")
+ normalize_path(name)[1..-1].tr("/", "_")
end
module Base
@@ -251,11 +265,16 @@ module ActionDispatch
#
# For options, see +match+, as +root+ uses it internally.
#
+ # You can also pass a string which will expand
+ #
+ # root 'pages#main'
+ #
# You should put the root route at the top of <tt>config/routes.rb</tt>,
# because this means it will be matched first. As this is the most popular route
# of most Rails applications, this is beneficial.
def root(options = {})
- match '/', { :as => :root }.merge(options)
+ options = { :to => options } if options.is_a?(String)
+ match '/', { :as => :root, :via => :get }.merge(options)
end
# Matches a url pattern to one or more routes. Any symbols in a pattern
@@ -325,7 +344,7 @@ module ActionDispatch
# +call+ or a string representing a controller's action.
#
# match 'path', :to => 'controller#action'
- # match 'path', :to => lambda { [200, {}, "Success!"] }
+ # match 'path', :to => lambda { |env| [200, {}, "Success!"] }
# match 'path', :to => RackApp
#
# [:on]
@@ -408,7 +427,7 @@ module ActionDispatch
options[:as] ||= app_name(app)
- match(path, options.merge(:to => app, :anchor => false, :format => false))
+ match(path, options.merge(:to => app, :anchor => false, :format => false, :via => :all))
define_generate_prefix(app, options[:as])
self
@@ -433,7 +452,7 @@ module ActionDispatch
app.railtie_name
else
class_name = app.class.is_a?(Class) ? app.name : app.class.name
- ActiveSupport::Inflector.underscore(class_name).gsub("/", "_")
+ ActiveSupport::Inflector.underscore(class_name).tr("/", "_")
end
end
@@ -443,7 +462,11 @@ module ActionDispatch
_route = @set.named_routes.routes[name.to_sym]
_routes = @set
app.routes.define_mounted_helper(name)
- app.routes.class_eval do
+ app.routes.singleton_class.class_eval do
+ define_method :mounted? do
+ true
+ end
+
define_method :_generate_prefix do |options|
prefix_options = options.slice(*_route.segment_keys)
# we must actually delete prefix segment keys to avoid passing them to next url_for
@@ -462,9 +485,9 @@ module ActionDispatch
#
# Example:
#
- # get 'bacon', :to => 'food#bacon'
+ # get 'bacon', :to => 'food#bacon'
def get(*args, &block)
- map_method(:get, *args, &block)
+ map_method(:get, args, &block)
end
# Define a route that only recognizes HTTP POST.
@@ -472,9 +495,19 @@ module ActionDispatch
#
# Example:
#
- # post 'bacon', :to => 'food#bacon'
+ # post 'bacon', :to => 'food#bacon'
def post(*args, &block)
- map_method(:post, *args, &block)
+ map_method(:post, args, &block)
+ end
+
+ # Define a route that only recognizes HTTP PATCH.
+ # For supported arguments, see <tt>Base#match</tt>.
+ #
+ # Example:
+ #
+ # patch 'bacon', :to => 'food#bacon'
+ def patch(*args, &block)
+ map_method(:patch, args, &block)
end
# Define a route that only recognizes HTTP PUT.
@@ -482,27 +515,26 @@ module ActionDispatch
#
# Example:
#
- # put 'bacon', :to => 'food#bacon'
+ # put 'bacon', :to => 'food#bacon'
def put(*args, &block)
- map_method(:put, *args, &block)
+ map_method(:put, args, &block)
end
- # Define a route that only recognizes HTTP PUT.
+ # Define a route that only recognizes HTTP DELETE.
# For supported arguments, see <tt>Base#match</tt>.
#
# Example:
#
- # delete 'broccoli', :to => 'food#broccoli'
+ # delete 'broccoli', :to => 'food#broccoli'
def delete(*args, &block)
- map_method(:delete, *args, &block)
+ map_method(:delete, args, &block)
end
private
- def map_method(method, *args, &block)
+ def map_method(method, args, &block)
options = args.extract_options!
options[:via] = method
- args.push(options)
- match(*args, &block)
+ match(*args, options, &block)
self
end
end
@@ -520,13 +552,13 @@ module ActionDispatch
# This will create a number of routes for each of the posts and comments
# controller. For <tt>Admin::PostsController</tt>, Rails will create:
#
- # GET /admin/posts
- # GET /admin/posts/new
- # POST /admin/posts
- # GET /admin/posts/1
- # GET /admin/posts/1/edit
- # PUT /admin/posts/1
- # DELETE /admin/posts/1
+ # GET /admin/posts
+ # GET /admin/posts/new
+ # POST /admin/posts
+ # GET /admin/posts/1
+ # GET /admin/posts/1/edit
+ # PATCH/PUT /admin/posts/1
+ # DELETE /admin/posts/1
#
# If you want to route /posts (without the prefix /admin) to
# <tt>Admin::PostsController</tt>, you could use
@@ -554,13 +586,13 @@ module ActionDispatch
# not use scope. In the last case, the following paths map to
# +PostsController+:
#
- # GET /admin/posts
- # GET /admin/posts/new
- # POST /admin/posts
- # GET /admin/posts/1
- # GET /admin/posts/1/edit
- # PUT /admin/posts/1
- # DELETE /admin/posts/1
+ # GET /admin/posts
+ # GET /admin/posts/new
+ # POST /admin/posts
+ # GET /admin/posts/1
+ # GET /admin/posts/1/edit
+ # PATCH/PUT /admin/posts/1
+ # DELETE /admin/posts/1
module Scoping
# Scopes a set of routes to the given default options.
#
@@ -649,13 +681,13 @@ module ActionDispatch
#
# This generates the following routes:
#
- # admin_posts GET /admin/posts(.:format) admin/posts#index
- # admin_posts POST /admin/posts(.:format) admin/posts#create
- # new_admin_post GET /admin/posts/new(.:format) admin/posts#new
- # edit_admin_post GET /admin/posts/:id/edit(.:format) admin/posts#edit
- # admin_post GET /admin/posts/:id(.:format) admin/posts#show
- # admin_post PUT /admin/posts/:id(.:format) admin/posts#update
- # admin_post DELETE /admin/posts/:id(.:format) admin/posts#destroy
+ # admin_posts GET /admin/posts(.:format) admin/posts#index
+ # admin_posts POST /admin/posts(.:format) admin/posts#create
+ # new_admin_post GET /admin/posts/new(.:format) admin/posts#new
+ # edit_admin_post GET /admin/posts/:id/edit(.:format) admin/posts#edit
+ # admin_post GET /admin/posts/:id(.:format) admin/posts#show
+ # admin_post PATCH/PUT /admin/posts/:id(.:format) admin/posts#update
+ # admin_post DELETE /admin/posts/:id(.:format) admin/posts#destroy
#
# === Options
#
@@ -859,17 +891,18 @@ module ActionDispatch
# CANONICAL_ACTIONS holds all actions that does not need a prefix or
# a path appended since they fit properly in their scope level.
VALID_ON_OPTIONS = [:new, :collection, :member]
- RESOURCE_OPTIONS = [:as, :controller, :path, :only, :except]
+ RESOURCE_OPTIONS = [:as, :controller, :path, :only, :except, :param]
CANONICAL_ACTIONS = %w(index create new show update destroy)
class Resource #:nodoc:
- attr_reader :controller, :path, :options
+ attr_reader :controller, :path, :options, :param
def initialize(entities, options = {})
@name = entities.to_s
@path = (options[:path] || @name).to_s
@controller = (options[:controller] || @name).to_s
@as = options[:as]
+ @param = options[:param] || :id
@options = options
end
@@ -914,7 +947,7 @@ module ActionDispatch
alias :collection_scope :path
def member_scope
- "#{path}/:id"
+ "#{path}/:#{param}"
end
def new_scope(new_path)
@@ -922,7 +955,7 @@ module ActionDispatch
end
def nested_scope
- "#{path}/:#{singular}_id"
+ "#{path}/:#{singular}_#{param}"
end
end
@@ -970,12 +1003,12 @@ module ActionDispatch
# the +GeoCoders+ controller (note that the controller is named after
# the plural):
#
- # GET /geocoder/new
- # POST /geocoder
- # GET /geocoder
- # GET /geocoder/edit
- # PUT /geocoder
- # DELETE /geocoder
+ # GET /geocoder/new
+ # POST /geocoder
+ # GET /geocoder
+ # GET /geocoder/edit
+ # PATCH/PUT /geocoder
+ # DELETE /geocoder
#
# === Options
# Takes same options as +resources+.
@@ -998,9 +1031,12 @@ module ActionDispatch
end if parent_resource.actions.include?(:new)
member do
- get :edit if parent_resource.actions.include?(:edit)
- get :show if parent_resource.actions.include?(:show)
- put :update if parent_resource.actions.include?(:update)
+ get :edit if parent_resource.actions.include?(:edit)
+ get :show if parent_resource.actions.include?(:show)
+ if parent_resource.actions.include?(:update)
+ patch :update
+ put :update
+ end
delete :destroy if parent_resource.actions.include?(:destroy)
end
end
@@ -1018,13 +1054,13 @@ module ActionDispatch
# creates seven different routes in your application, all mapping to
# the +Photos+ controller:
#
- # GET /photos
- # GET /photos/new
- # POST /photos
- # GET /photos/:id
- # GET /photos/:id/edit
- # PUT /photos/:id
- # DELETE /photos/:id
+ # GET /photos
+ # GET /photos/new
+ # POST /photos
+ # GET /photos/:id
+ # GET /photos/:id/edit
+ # PATCH/PUT /photos/:id
+ # DELETE /photos/:id
#
# Resources can also be nested infinitely by using this block syntax:
#
@@ -1034,25 +1070,32 @@ module ActionDispatch
#
# This generates the following comments routes:
#
- # GET /photos/:photo_id/comments
- # GET /photos/:photo_id/comments/new
- # POST /photos/:photo_id/comments
- # GET /photos/:photo_id/comments/:id
- # GET /photos/:photo_id/comments/:id/edit
- # PUT /photos/:photo_id/comments/:id
- # DELETE /photos/:photo_id/comments/:id
+ # GET /photos/:photo_id/comments
+ # GET /photos/:photo_id/comments/new
+ # POST /photos/:photo_id/comments
+ # GET /photos/:photo_id/comments/:id
+ # GET /photos/:photo_id/comments/:id/edit
+ # PATCH/PUT /photos/:photo_id/comments/:id
+ # DELETE /photos/:photo_id/comments/:id
#
# === Options
# Takes same options as <tt>Base#match</tt> as well as:
#
# [:path_names]
- # Allows you to change the paths of the seven default actions.
- # Paths not specified are not changed.
+ # Allows you to change the segment component of the +edit+ and +new+ actions.
+ # Actions not specified are not changed.
#
# resources :posts, :path_names => { :new => "brand_new" }
#
# The above example will now change /posts/new to /posts/brand_new
#
+ # [:path]
+ # Allows you to change the path prefix for the resource.
+ #
+ # resources :posts, :path => 'postings'
+ #
+ # The resource and all segments will now route to /postings instead of /posts
+ #
# [:only]
# Only generate routes for the given actions.
#
@@ -1095,13 +1138,32 @@ module ActionDispatch
#
# The +comments+ resource here will have the following routes generated for it:
#
- # post_comments GET /posts/:post_id/comments(.:format)
- # post_comments POST /posts/:post_id/comments(.:format)
- # new_post_comment GET /posts/:post_id/comments/new(.:format)
- # edit_comment GET /sekret/comments/:id/edit(.:format)
- # comment GET /sekret/comments/:id(.:format)
- # comment PUT /sekret/comments/:id(.:format)
- # comment DELETE /sekret/comments/:id(.:format)
+ # post_comments GET /posts/:post_id/comments(.:format)
+ # post_comments POST /posts/:post_id/comments(.:format)
+ # new_post_comment GET /posts/:post_id/comments/new(.:format)
+ # edit_comment GET /sekret/comments/:id/edit(.:format)
+ # comment GET /sekret/comments/:id(.:format)
+ # comment PATCH/PUT /sekret/comments/:id(.:format)
+ # comment DELETE /sekret/comments/:id(.:format)
+ #
+ # [:shallow_prefix]
+ # Prefixes nested shallow route names with specified prefix.
+ #
+ # scope :shallow_prefix => "sekret" do
+ # resources :posts do
+ # resources :comments, :shallow => true
+ # end
+ # end
+ #
+ # The +comments+ resource here will have the following routes generated for it:
+ #
+ # post_comments GET /posts/:post_id/comments(.:format)
+ # post_comments POST /posts/:post_id/comments(.:format)
+ # new_post_comment GET /posts/:post_id/comments/new(.:format)
+ # edit_sekret_comment GET /comments/:id/edit(.:format)
+ # sekret_comment GET /comments/:id(.:format)
+ # sekret_comment PATCH/PUT /comments/:id(.:format)
+ # sekret_comment DELETE /comments/:id(.:format)
#
# === Examples
#
@@ -1130,9 +1192,12 @@ module ActionDispatch
end if parent_resource.actions.include?(:new)
member do
- get :edit if parent_resource.actions.include?(:edit)
- get :show if parent_resource.actions.include?(:show)
- put :update if parent_resource.actions.include?(:update)
+ get :edit if parent_resource.actions.include?(:edit)
+ get :show if parent_resource.actions.include?(:show)
+ if parent_resource.actions.include?(:update)
+ patch :update
+ put :update
+ end
delete :destroy if parent_resource.actions.include?(:destroy)
end
end
@@ -1240,6 +1305,24 @@ module ActionDispatch
parent_resource.instance_of?(Resource) && @scope[:shallow]
end
+ def draw(name)
+ path = @draw_paths.find do |_path|
+ _path.join("#{name}.rb").file?
+ end
+
+ unless path
+ msg = "Your router tried to #draw the external file #{name}.rb,\n" \
+ "but the file was not found in:\n\n"
+ msg += @draw_paths.map { |_path| " * #{_path}" }.join("\n")
+ raise msg
+ end
+
+ instance_eval(path.join("#{name}.rb").read)
+ end
+
+ # match 'path' => 'controller#action'
+ # match 'path', to: 'controller#action'
+ # match 'path', 'otherpath', on: :member, via: :get
def match(path, *rest)
if rest.empty? && Hash === path
options = path
@@ -1286,7 +1369,7 @@ module ActionDispatch
action = nil
end
- if !options.fetch(:as) { true }
+ if !options.fetch(:as, true)
options.delete(:as)
else
options[:as] = name_for_action(options[:as], action)
@@ -1432,8 +1515,7 @@ module ActionDispatch
end
def action_path(name, path = nil) #:nodoc:
- # Ruby 1.8 can't transform empty strings to symbols
- name = name.to_sym if name.is_a?(String) && !name.empty?
+ name = name.to_sym if name.is_a?(String)
path || @scope[:path_names][name] || name.to_s
end
@@ -1472,13 +1554,22 @@ module ActionDispatch
[name_prefix, member_name, prefix]
end
- candidate = name.select(&:present?).join("_").presence
- candidate unless as.nil? && @set.routes.find { |r| r.name == candidate }
+ if candidate = name.select(&:present?).join("_").presence
+ # If a name was not explicitly given, we check if it is valid
+ # and return nil in case it isn't. Otherwise, we pass the invalid name
+ # forward so the underlying router engine treats it and raises an exception.
+ if as.nil?
+ candidate unless @set.routes.find { |r| r.name == candidate } || candidate !~ /\A[_a-z]/i
+ else
+ candidate
+ end
+ end
end
end
def initialize(set) #:nodoc:
@set = set
+ @draw_paths = set.draw_paths
@scope = { :path_names => @set.resources_path_names }
end