Add an URL field to Environments

This MR adds a string (thus max 255 chars) field to the enviroments
table to expose it later in other features.

14 files changed, 133 insertions, 28 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 2b04c15b827..0292df068fa 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -9,6 +9,7 @@ v 8.11.0 (unreleased)
   - Add support for using RequestStore within Sidekiq tasks via SIDEKIQ_REQUEST_STORE env variable
   - Optimize maximum user access level lookup in loading of notes
   - Add "No one can push" as an option for protected branches. !5081
+  - Environments have an url to link to
   - Limit git rev-list output count to one in forced push check
   - Clean up unused routes (Josef Strzibny)
   - Add green outline to New Branch button. !5447 (winniehell)
diff --git a/app/controllers/projects/environments_controller.rb b/app/controllers/projects/environments_controller.rb
index 4b433796161..1f5c7506212 100644
--- a/app/controllers/projects/environments_controller.rb
+++ b/app/controllers/projects/environments_controller.rb
@@ -2,8 +2,8 @@ class Projects::EnvironmentsController < Projects::ApplicationController
   layout 'project'
   before_action :authorize_read_environment!
   before_action :authorize_create_environment!, only: [:new, :create]
-  before_action :authorize_update_environment!, only: [:destroy]
-  before_action :environment, only: [:show, :destroy]
+  before_action :authorize_update_environment!, only: [:edit, :destroy]
+  before_action :environment, only: [:show, :edit, :update, :destroy]
 
   def index
     @environments = project.environments
@@ -17,13 +17,24 @@ class Projects::EnvironmentsController < Projects::ApplicationController
     @environment = project.environments.new
   end
 
+  def edit
+  end
+
   def create
-    @environment = project.environments.create(create_params)
+    @environment = project.environments.create(environment_params)
 
     if @environment.persisted?
       redirect_to namespace_project_environment_path(project.namespace, project, @environment)
     else
-      render 'new'
+      render :new
+    end
+  end
+
+  def update
+    if @environment.update(environment_params)
+      redirect_to namespace_project_environment_path(project.namespace, project, @environment)
+    else
+      render :edit
     end
   end
 
@@ -39,8 +50,8 @@ class Projects::EnvironmentsController < Projects::ApplicationController
 
   private
 
-  def create_params
-    params.require(:environment).permit(:name)
+  def environment_params
+    params.require(:environment).permit(:name, :external_url)
   end
 
   def environment
diff --git a/app/models/environment.rb b/app/models/environment.rb
index ac3a571a1f3..9eff0fdab03 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -10,6 +10,10 @@ class Environment < ActiveRecord::Base
             format: { with: Gitlab::Regex.environment_name_regex,
                       message: Gitlab::Regex.environment_name_regex_message }
 
+  validates :external_url,
+            uniqueness: { scope: :project_id },
+            length: { maximum: 255 }
+
   def last_deployment
     deployments.last
   end
diff --git a/app/views/projects/environments/_form.html.haml b/app/views/projects/environments/_form.html.haml
index c07f4bd510c..6d040f5cfe6 100644
--- a/app/views/projects/environments/_form.html.haml
+++ b/app/views/projects/environments/_form.html.haml
@@ -1,7 +1,22 @@
-= form_for @environment, url: namespace_project_environments_path(@project.namespace, @project), html: { class: 'col-lg-9' } do |f|
-  = form_errors(@environment)
-  .form-group
-    = f.label :name, 'Name', class: 'label-light'
-    = f.text_field :name, required: true, class: 'form-control'
-  = f.submit 'Create environment', class: 'btn btn-create'
-  = link_to 'Cancel', namespace_project_environments_path(@project.namespace, @project), class: 'btn btn-cancel'
+.row.prepend-top-default.append-bottom-default
+  .col-lg-3
+    %h4.prepend-top-0
+      Environments
+    %p
+      Environments allow you to track deployments of your application
+      = succeed "." do
+        = link_to "Read more about environments", help_page_path("ci/environments")
+
+  = form_for [@project.namespace.becomes(Namespace), @project, @environment], html: { class: 'col-lg-9' } do |f|
+    = form_errors(@environment)
+
+    .form-group
+      = f.label :name, 'Name', class: 'label-light'
+      = f.text_field :name, required: true, class: 'form-control'
+    .form-group
+      = f.label :external_url, 'External URL', class: 'label-light'
+      = f.url_field :external_url, class: 'form-control'
+
+    .form-actions
+      = f.submit 'Save', class: 'btn btn-save'
+      = link_to 'Cancel', namespace_project_environments_path(@project.namespace, @project), class: 'btn btn-cancel'
diff --git a/app/views/projects/environments/edit.html.haml b/app/views/projects/environments/edit.html.haml
new file mode 100644
index 00000000000..6d1bdb9320f
--- /dev/null
+++ b/app/views/projects/environments/edit.html.haml
@@ -0,0 +1,6 @@
+- page_title "Edit", @environment.name, "Environments"
+
+%h3.page-title
+  Edit environment
+%hr
+= render 'form'
diff --git a/app/views/projects/environments/new.html.haml b/app/views/projects/environments/new.html.haml
index 89e06567196..e51667ade2d 100644
--- a/app/views/projects/environments/new.html.haml
+++ b/app/views/projects/environments/new.html.haml
@@ -1,12 +1,6 @@
 - page_title 'New Environment'
 
-.row.prepend-top-default.append-bottom-default
-  .col-lg-3
-    %h4.prepend-top-0
-      New Environment
-    %p
-      Environments allow you to track deployments of your application
-      = succeed "." do
-        = link_to "Read more about environments", help_page_path("ci/environments")
-
-  = render 'form'
+%h3.page-title
+  New environment
+%hr
+= render 'form'
diff --git a/app/views/projects/environments/show.html.haml b/app/views/projects/environments/show.html.haml
index b8b1ce52a91..a07436ad7c9 100644
--- a/app/views/projects/environments/show.html.haml
+++ b/app/views/projects/environments/show.html.haml
@@ -6,10 +6,10 @@
   .top-area
     .col-md-9
       %h3.page-title= @environment.name.capitalize
-
     .col-md-3
       .nav-controls
         - if can?(current_user, :update_environment, @environment)
+          = link_to 'Edit', edit_namespace_project_environment_path(@project.namespace, @project, @environment), class: 'btn'
           = link_to 'Destroy', namespace_project_environment_path(@project.namespace, @project, @environment), data: { confirm: 'Are you sure you want to delete this environment?' }, class: 'btn btn-danger', method: :delete
 
   - if @deployments.blank?
diff --git a/config/routes.rb b/config/routes.rb
index 308d83af57e..ced204be7f7 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -741,7 +741,7 @@ Rails.application.routes.draw do
           end
         end
 
-        resources :environments, only: [:index, :show, :new, :create, :destroy]
+        resources :environments, constraints: { id: /\d+/ }
 
         resources :builds, only: [:index, :show], constraints: { id: /\d+/ } do
           collection do
diff --git a/db/migrate/20160725083350_add_external_url_to_enviroments.rb b/db/migrate/20160725083350_add_external_url_to_enviroments.rb
new file mode 100644
index 00000000000..e887341159b
--- /dev/null
+++ b/db/migrate/20160725083350_add_external_url_to_enviroments.rb
@@ -0,0 +1,12 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddExternalUrlToEnviroments < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    add_column(:environments, :external_url, :string)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2d2ae5fd840..4365af98962 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -427,9 +427,10 @@ ActiveRecord::Schema.define(version: 20160722221922) do
 
   create_table "environments", force: :cascade do |t|
     t.integer  "project_id"
-    t.string   "name",       null: false
+    t.string   "name",         null: false
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "external_url"
   end
 
   add_index "environments", ["project_id", "name"], name: "index_environments_on_project_id_and_name", using: :btree
diff --git a/spec/controllers/projects/environments_controller_spec.rb b/spec/controllers/projects/environments_controller_spec.rb
new file mode 100644
index 00000000000..b91a99d6b2e
--- /dev/null
+++ b/spec/controllers/projects/environments_controller_spec.rb
@@ -0,0 +1,50 @@
+require 'spec_helper'
+
+describe Projects::EnvironmentsController do
+  let(:environment) { create(:environment) }
+  let(:project)     { environment.project }
+  let(:user)        { create(:user) }
+
+  before do
+    project.team << [user, :master]
+
+    sign_in(user)
+  end
+
+  render_views
+
+  describe 'GET show' do
+    context 'with valid id' do
+      it 'responds with a status code 200' do
+        get :show, namespace_id: project.namespace, project_id: project, id: environment.id
+
+        expect(response).to be_ok
+      end
+    end
+
+    context 'with invalid id' do
+      it 'responds with a status code 404' do
+        get :show, namespace_id: project.namespace, project_id: project, id: 12345
+
+        expect(response).to be_not_found
+      end
+    end
+  end
+
+  describe 'GET edit' do
+    it 'responds with a status code 200' do
+      get :edit, namespace_id: project.namespace, project_id: project, id: environment.id
+
+      expect(response).to be_ok
+    end
+  end
+
+  describe 'PATCH #update' do
+    it 'responds with a 302' do
+      patch :update, namespace_id: project.namespace, project_id:
+                      project, id: environment.id, environment: { external_url: 'https://git.gitlab.com' }
+
+      expect(response).to have_http_status(302)
+    end
+  end
+end
diff --git a/spec/factories/environments.rb b/spec/factories/environments.rb
index 07265c26ca3..846cccfc7fa 100644
--- a/spec/factories/environments.rb
+++ b/spec/factories/environments.rb
@@ -3,5 +3,6 @@ FactoryGirl.define do
     sequence(:name) { |n| "environment#{n}" }
 
     project factory: :empty_project
+    sequence(:external_url) { |n| "https://env#{n}.example.gitlab.com" }
   end
 end
diff --git a/spec/features/environments_spec.rb b/spec/features/environments_spec.rb
index a7d9f2a0c72..fcd41b38413 100644
--- a/spec/features/environments_spec.rb
+++ b/spec/features/environments_spec.rb
@@ -140,7 +140,7 @@ feature 'Environments', feature: true do
       context 'for valid name' do
         before do
           fill_in('Name', with: 'production')
-          click_on 'Create environment'
+          click_on 'Save'
         end
 
         scenario 'does create a new pipeline' do
@@ -151,7 +151,7 @@ feature 'Environments', feature: true do
       context 'for invalid name' do
         before do
           fill_in('Name', with: 'name with spaces')
-          click_on 'Create environment'
+          click_on 'Save'
         end
 
         scenario 'does show errors' do
diff --git a/spec/models/environment_spec.rb b/spec/models/environment_spec.rb
index 7629af6a570..6c11cfc4c9b 100644
--- a/spec/models/environment_spec.rb
+++ b/spec/models/environment_spec.rb
@@ -11,4 +11,14 @@ describe Environment, models: true do
   it { is_expected.to validate_presence_of(:name) }
   it { is_expected.to validate_uniqueness_of(:name).scoped_to(:project_id) }
   it { is_expected.to validate_length_of(:name).is_within(0..255) }
+
+  it { is_expected.to validate_length_of(:external_url).is_within(0..255) }
+
+  # To circumvent a not null violation of the name column:
+  # https://github.com/thoughtbot/shoulda-matchers/issues/336
+  it 'validates uniqueness of :external_url' do
+    create(:environment)
+
+    is_expected.to validate_uniqueness_of(:external_url).scoped_to(:project_id)
+  end
 end