Add the controller helper

lib/rage/router/dsl.rb

@@ -258,6 +258,19 @@ def defaults(defaults, &block)
       @defaults.pop
     end
 
+    # Scopes routes to a specific controller.
+    #
+    # @example
+    #   controller "photos" do
+    #     post "like"
+    #     post "dislike"
+    #   end
+    def controller(controller, &block)
+      @controllers << controller
+      instance_eval &block
+      @controllers.pop
+    end
+
     # Add a route to the collection.
     #
     # @example Add a `photos/search` path instead of `photos/:photo_id/search`

spec/router/dsl_spec.rb

@@ -118,6 +118,27 @@
     end
   end
 
+  context "with controller scope" do
+    it "correctly adds handlers" do
+      expect(router).to receive(:on).with("POST", "/api/v1/like", "api/v1/photos#like", instance_of(Hash))
+      expect(router).to receive(:on).with("POST", "/api/v1/dislike", "api/v1/photos#dislike", instance_of(Hash))
+      expect(router).to receive(:on).with("GET", "/api/v1/index", "api/v1/all_photos#index", instance_of(Hash))
+
+      dsl.draw do
+        namespace "api/v1" do
+          scope controller: "photos" do
+            post "like"
+            post "dislike"
+          end
+
+          controller "all_photos" do
+            get "index"
+          end
+        end
+      end
+    end
+  end
+
   context "with root helper inside a scope" do
     it "correctly adds handlers" do
       expect(router).to receive(:on).with("GET", "/api/v1/internal", "api/test#index", a_hash_including(constraints: {}))