Remove Commits#compare, add CompareController

app/controllers/commits_controller.rb

@@ -45,18 +45,6 @@ class CommitsController < ApplicationController
   #   end
   # end
-  def compare
-    result = Commit.compare(project, params[:from], params[:to])
-
-    @commits = result[:commits]
-    @commit  = result[:commit]
-    @diffs   = result[:diffs]
-    @refs_are_same = result[:same]
-    @line_notes = []
-
-    @commits = CommitDecorator.decorate(@commits)
-  end
-
   def patch
     @commit = project.commit(params[:id])

app/controllers/compare_controller.rb

+class CompareController < ApplicationController
+  before_filter :project
+  layout "project"
+
+  # Authorize
+  before_filter :add_project_abilities
+  before_filter :authorize_read_project!
+  before_filter :authorize_code_access!
+  before_filter :require_non_empty_project
+
+  def show
+    result = Commit.compare(project, params[:from], params[:to])
+
+    @commits       = result[:commits]
+    @commit        = result[:commit]
+    @diffs         = result[:diffs]
+    @refs_are_same = result[:same]
+    @line_notes    = []
+
+    @commits = CommitDecorator.decorate(@commits)
+  end
+end

app/views/compare/_head.html.haml

+%ul.nav.nav-tabs
+  %li= render partial: 'shared/ref_switcher', locals: {destination: 'commits'}
+  %li{class: "#{'active' if current_page?(project_commits_path(@project)) }"}
+    = link_to project_commits_path(@project) do
+      Commits
+  %li{class: "#{'active' if current_page?(compare_project_commits_path(@project)) }"}
+    = link_to compare_project_commits_path(@project) do
+      Compare
+  %li{class: "#{branches_tab_class}"}
+    = link_to project_repository_path(@project) do
+      Branches
+      %span.badge= @project.repo.branch_count
+
+  %li{class: "#{'active' if current_page?(tags_project_repository_path(@project)) }"}
+    = link_to tags_project_repository_path(@project) do
+      Tags
+      %span.badge= @project.repo.tag_count
+
+  - if current_page?(project_commits_path(@project)) && current_user.private_token
+    %li.right
+      %span.rss-icon
+        = link_to project_commits_path(@project, :atom, { private_token: current_user.private_token, ref: @ref }), title: "Feed" do
+          = image_tag "rss_ui.png", title: "feed"

config/routes.rb

@@ -162,10 +162,6 @@ Gitlab::Application.routes.draw do
     resources :commit, only: [:show], constraints: {id: /[[:alnum:]]{6,40}/}
     resources :commits, only: [:index, :show] do
-      collection do
-        get :compare
-      end
-
       member do
         get :patch
       end
@@ -194,6 +190,7 @@ Gitlab::Application.routes.draw do
     resources :blob,   only: [:show], constraints: {id: /.+/}
     # resources :raw,    only: [:show], constraints: {id: /.+/}
     resources :tree,   only: [:show], constraints: {id: /.+/}
+    match "/compare/:from...:to" => "compare#show", as: "compare", constraints: {from: /.+/, to: /.+/}
   end
   root to: "dashboard#index"

spec/routing/project_routing_spec.rb

@@ -289,16 +289,11 @@ describe CommitController, "routing" do
   end
 end
-# compare_project_commits GET    /:project_id/commits/compare(.:format)   commits#compare
 #    patch_project_commit GET    /:project_id/commits/:id/patch(.:format) commits#patch
 #         project_commits GET    /:project_id/commits(.:format)           commits#index
 #                         POST   /:project_id/commits(.:format)           commits#create
 #          project_commit GET    /:project_id/commits/:id(.:format)       commits#show
 describe CommitsController, "routing" do
-  it "to #compare" do
-    get("/gitlabhq/commits/compare").should route_to('commits#compare', project_id: 'gitlabhq')
-  end
-
   it "to #patch" do
     get("/gitlabhq/commits/1/patch").should route_to('commits#patch', project_id: 'gitlabhq', id: '1')
   end
@@ -407,6 +402,13 @@ describe TreeController, "routing" do
   end
 end
+describe CompareController, "routing" do
+  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')
+  end
+end
+
 # TODO: Pending
 #
 # /:project_id/blame/*path