Split PagesController into PagesController and PagesDomainsController

1. PagesController is used to show all domains and general overview of Pages
2. PagesDomainsController is used to manage pages domains

app/controllers/projects/pages_controller.rb

 class Projects::PagesController < Projects::ApplicationController
   layout 'project_settings'
 
-  before_action :authorize_update_pages!, except: [:show]
-  before_action :authorize_remove_pages!, only: [:remove_pages]
-  before_action :label, only: [:destroy]
-  before_action :domain, only: [:show]
-
-  helper_method :valid_certificate?, :valid_certificate_key?
-  helper_method :valid_key_for_certificiate?, :valid_certificate_intermediates?
-  helper_method :certificate, :certificate_key
-
-  def index
-    @domains = @project.pages_domains.order(:domain)
-  end
+  before_action :authorize_update_pages!
 
   def show
-  end
-
-  def new
-    @domain = @project.pages_domains.new
-  end
-
-  def create
-    @domain = @project.pages_domains.create(pages_domain_params)
-
-    if @domain.valid?
-      redirect_to namespace_project_pages_path(@project.namespace, @project)
-    else
-      render 'new'
-    end
+    @domains = @project.pages_domains.order(:domain)
   end
 
   def destroy
-    @domain.destroy
-
-    respond_to do |format|
-      format.html do
-        redirect_to(namespace_project_pages_path(@project.namespace, @project),
-                    notice: 'Domain was removed')
-      end
-      format.js
-    end
-  end
-
-  def remove_pages
     project.remove_pages
     project.pages_domains.destroy_all
 
@@ -54,18 +18,4 @@ class Projects::PagesController < Projects::ApplicationController
       end
     end
   end
-
-  private
-
-  def pages_domain_params
-    params.require(:pages_domain).permit(
-      :certificate,
-      :key,
-      :domain
-    )
-  end
-
-  def domain
-    @domain ||= @project.pages_domains.find_by(domain: params[:id].to_s)
-  end
 end

app/controllers/projects/pages_domains_controller.rb

+class Projects::PagesDomainsController < Projects::ApplicationController
+  layout 'project_settings'
+
+  before_action :authorize_update_pages!, except: [:show]
+  before_action :domain, only: [:show, :destroy]
+
+  def show
+  end
+
+  def new
+    @domain = @project.pages_domains.new
+  end
+
+  def create
+    @domain = @project.pages_domains.create(pages_domain_params)
+
+    if @domain.valid?
+      redirect_to namespace_project_pages_path(@project.namespace, @project)
+    else
+      render 'new'
+    end
+  end
+
+  def destroy
+    @domain.destroy
+
+    respond_to do |format|
+      format.html do
+        redirect_to(namespace_project_pages_path(@project.namespace, @project),
+                    notice: 'Domain was removed')
+      end
+      format.js
+    end
+  end
+
+  private
+
+  def pages_domain_params
+    params.require(:pages_domain).permit(
+      :certificate,
+      :key,
+      :domain
+    )
+  end
+
+  def domain
+    @domain ||= @project.pages_domains.find_by(domain: params[:id].to_s)
+  end
+end

app/views/projects/pages/_destroy.haml

@@ -6,4 +6,4 @@
       %p
         Removing the pages will prevent from exposing them to outside world.
       .form-actions
-        = link_to 'Remove', remove_pages_namespace_project_pages_path(@project.namespace, @project), data: { confirm: 'Are you sure?'}, method: :delete, class: "btn btn-remove"
+        = link_to 'Remove pages', namespace_project_pages_path(@project.namespace, @project), data: { confirm: 'Are you sure?'}, method: :delete, class: "btn btn-remove"

app/views/projects/pages/_list.html.haml

@@ -6,8 +6,8 @@
       - @domains.each do |domain|
         %li
           .pull-right
-            = link_to 'Details', namespace_project_page_path(@project.namespace, @project, domain), class: "btn btn-sm btn-grouped"
-            = link_to 'Remove', namespace_project_page_path(@project.namespace, @project, domain), data: { confirm: 'Are you sure?'}, method: :delete, class: "btn btn-remove btn-sm btn-grouped"
+            = link_to 'Details', namespace_project_pages_domain_path(@project.namespace, @project, domain), class: "btn btn-sm btn-grouped"
+            = link_to 'Remove', namespace_project_pages_domain_path(@project.namespace, @project, domain), data: { confirm: 'Are you sure?'}, method: :delete, class: "btn btn-remove btn-sm btn-grouped"
           .clearfix
             %span= link_to domain.domain, domain.url
           %p

app/views/projects/pages/index.html.haml

-- page_title "Pages"
-%h3.page_title
-  Pages
-
-  - if Gitlab.config.pages.external_http || Gitlab.config.pages.external_https
-    = link_to new_namespace_project_page_path(@project.namespace, @project), class: "btn btn-new pull-right", title: "New Domain" do
-      %i.fa.fa-plus
-      New Domain
-
-%p.light
-  With GitLab Pages you can host for free your static websites on GitLab.
-  Combined with the power of GitLab CI and the help of GitLab Runner
-  you can deploy static pages for your individual projects, your user or your group.
-
-%hr.clearfix
-
-- if Gitlab.config.pages.enabled
-  = render 'access'
-  = render 'use'
-  - if Gitlab.config.pages.external_http || Gitlab.config.pages.external_https
-    = render 'list'
-  - else
-    = render 'no_domains'
-  = render 'destroy'
-- else
-  = render 'disabled'

app/views/projects/pages/show.html.haml

-- page_title "#{@domain.domain}", "Pages Domain"
+- page_title "Pages"
+%h3.page_title
+  Pages
 
-%h3.page-title
-  Pages Domain
+  - if Gitlab.config.pages.external_http || Gitlab.config.pages.external_https
+    = link_to new_namespace_project_pages_domain_path(@project.namespace, @project), class: "btn btn-new pull-right", title: "New Domain" do
+      %i.fa.fa-plus
+      New Domain
 
-.table-holder
-  %table.table
-    %tr
-      %td
-        Domain
-      %td
-        = link_to @domain.domain, @domain.url
-    %tr
-      %td
-        Certificate
-      %td
-        - if @domain.certificate_text
-          %pre
-            = @domain.certificate_text
+%p.light
+  With GitLab Pages you can host for free your static websites on GitLab.
+  Combined with the power of GitLab CI and the help of GitLab Runner
+  you can deploy static pages for your individual projects, your user or your group.
+
+%hr.clearfix
+
+- if Gitlab.config.pages.enabled
+  = render 'access'
+  = render 'use'
+  - if Gitlab.config.pages.external_http || Gitlab.config.pages.external_https
+    = render 'list'
   - else
-          .light
-            missing
+    = render 'no_domains'
+  = render 'destroy'
+- else
+  = render 'disabled'

app/views/projects/pages/_form.html.haml → app/views/projects/pages_domains/_form.html.haml

-= form_for [@domain], url: namespace_project_pages_path(@project.namespace, @project), html: { class: 'form-horizontal fieldset-form' } do |f|
+= form_for [@project.namespace, @project, @domain], html: { class: 'form-horizontal fieldset-form' } do |f|
   - if @domain.errors.any?
     #error_explanation
       .alert.alert-danger

app/views/projects/pages_domains/show.html.haml

+- page_title "#{@domain.domain}", "Pages Domain"
+
+%h3.page-title
+  Pages Domain
+
+.table-holder
+  %table.table
+    %tr
+      %td
+        Domain
+      %td
+        = link_to @domain.domain, @domain.url
+    %tr
+      %td
+        Certificate
+      %td
+        - if @domain.certificate_text
+          %pre
+            = @domain.certificate_text
+        - else
+          .light
+            missing

config/routes/project.rb

@@ -39,10 +39,8 @@ constraints(ProjectUrlConstrainer.new) do
         end
       end
 
-      resources :pages, except: [:edit, :update] do
-        collection do
-          delete :remove_pages
-        end
+      resource :pages, only: [:show, :destroy] do
+        resources :domains, only: [:show, :new, :create, :destroy], controller: 'pages_domains'
       end
 
       resources :compare, only: [:index, :create] do

features/steps/project/pages.rb

@@ -67,7 +67,7 @@ class Spinach::Features::ProjectPages < Spinach::FeatureSteps
   end
 
   step 'I visit add a new Pages Domain' do
-    visit new_namespace_project_page_path(@project.namespace, @project)
+    visit new_namespace_project_pages_domain_path(@project.namespace, @project)
   end
 
   step 'I fill the domain' do