Add Compare#index and Compare#create actions

Create just redirects to our specially-formatted #show action

app/controllers/compare_controller.rb

@@ -8,6 +8,9 @@ class CompareController < ApplicationController
   before_filter :authorize_code_access!
   before_filter :require_non_empty_project
 
+  def index
+  end
+
   def show
     result = Commit.compare(project, params[:from], params[:to])
 
@@ -19,4 +22,8 @@ class CompareController < ApplicationController
 
     @commits = CommitDecorator.decorate(@commits)
   end
+
+  def create
+    redirect_to project_compare_path(@project, params[:from], params[:to])
+  end
 end

config/routes.rb

@@ -162,7 +162,7 @@ Gitlab::Application.routes.draw do
     # XXX: WIP
     resources :commit,  only: [:show], constraints: {id: /[[:alnum:]]{6,40}/}
     resources :commits, only: [:show], constraints: {id: /.+/}
-    resources :compare, only: [:index]
+    resources :compare, only: [:index, :create]
     resources :blame,   only: [:show], constraints: {id: /.+/}
     resources :blob,    only: [:show], constraints: {id: /.+/}
     resources :tree,    only: [:show], constraints: {id: /.+/}

spec/routing/project_routing_spec.rb

@@ -399,12 +399,17 @@ describe TreeController, "routing" do
 end
 
 # project_compare_index GET    /:project_id/compare(.:format)             compare#index {:id=>/[^\/]+/, :project_id=>/[^\/]+/}
+#                       POST   /:project_id/compare(.:format)             compare#create {:id=>/[^\/]+/, :project_id=>/[^\/]+/}
 #       project_compare        /:project_id/compare/:from...:to(.:format) compare#show {:from=>/.+/, :to=>/.+/, :id=>/[^\/]+/, :project_id=>/[^\/]+/}
 describe CompareController, "routing" do
   it "to #index" do
     get("/gitlabhq/compare").should route_to('compare#index', project_id: 'gitlabhq')
   end
 
+  it "to #compare" do
+    post("/gitlabhq/compare").should route_to('compare#create', project_id: 'gitlabhq')
+  end
+
   it "to #show" do
     get("/gitlabhq/compare/master...stable").should     route_to('compare#show', project_id: 'gitlabhq', from: 'master', to: 'stable')
     get("/gitlabhq/compare/issue/1234...stable").should route_to('compare#show', project_id: 'gitlabhq', from: 'issue/1234', to: 'stable')