Adds JS to toggle buttons [ci skip]

app/assets/javascripts/clusters/clusters_index.js

+import Flash from '../flash';
+import { s__ } from '../locale';
+import ClustersService from './services/clusters_service';
+
+/**
+ * Handles toggle buttons in the cluster's table.
+ *
+ * When the user clicks the toggle button for each cluster, it:
+ * - toggles the button
+ * - shows a loding and disabled state
+ * - Makes a put request to the given endpoint
+ * Once we receive the response, either:
+ * 1) Show updated status in case of successfull response
+ * 2) Show initial status in case of failed response
+ */
+export default class ClusterTable {
+  constructor() {
+    this.container = '.js-clusters-list';
+    document.querySelectorAll(`${this.container} .js-toggle-cluster-list`).forEach(button => button.addEventListener('click', e => ClusterTable.updateCluster(e)));
+  }
+
+  removeListeners() {
+    document.querySelectorAll(`${this.container} .js-toggle-cluster-list`).forEach(button => button.removeEventListener('click'));
+  }
+
+  static updateCluster(e) {
+    const toggleButton = e.currentTarget;
+    const value = toggleButton.classList.contains('checked').toString();
+    const endpoint = toggleButton.getAttribute('data-endpoint');
+
+    ClusterTable.toggleValue(toggleButton);
+    ClusterTable.toggleLoadingButton(toggleButton);
+
+    ClustersService.updateCluster(endpoint, { cluster: { enabled: value } })
+      .then(() => {
+        ClusterTable.toggleLoadingButton(toggleButton);
+      })
+      .catch(() => {
+        ClusterTable.toggleLoadingButton(toggleButton);
+        ClusterTable.toggleValue(toggleButton);
+        Flash(s__('ClusterIntegration|Something went wrong on our end.'));
+      });
+  }
+
+  /**
+   * Toggles loading and disabled classes.
+   * @param {HTMLElement} button
+   */
+  static toggleLoadingButton(button) {
+    button.setAttribute('disabled', button.getAttribute('disabled'));
+    button.classList.toggle('disabled');
+    button.classList.toggle('loading');
+  }
+
+  /**
+   * Toggles checked class for the given button
+   * @param {HTMLElement} button
+   */
+  static toggleValue(button) {
+    button.classList.toggle('checked');
+  }
+}

app/assets/javascripts/clusters/services/clusters_service.js

@@ -17,4 +17,8 @@ export default class ClusterService {
   installApplication(appId) {
     return axios.post(this.appInstallEndpointMap[appId]);
   }
+
+  static updateCluster(endpoint, data) {
+    return axios.put(endpoint, data);
+  }
 }

app/assets/javascripts/dispatcher.js

@@ -550,7 +550,15 @@ import ProjectVariables from './project_variables';
           import(/* webpackChunkName: "clusters" */ './clusters/clusters_bundle')
             .then(cluster => new cluster.default()) // eslint-disable-line new-cap
             .catch((err) => {
-              Flash(s__('ClusterIntegration|Problem setting up the cluster JavaScript'));
+              Flash(s__('ClusterIntegration|Problem setting up the cluster'));
+              throw err;
+            });
+          break;
+        case 'projects:clusters:index':
+          import(/* webpackChunkName: "clusters_index" */ './clusters/clusters_index')
+            .then(clusterIndex => new clusterIndex.default()) // eslint-disable-line new-cap
+            .catch((err) => {
+              Flash(s__('ClusterIntegration|Problem setting up the clusters list'));
               throw err;
             });
           break;

app/controllers/projects/clusters_controller.rb

@@ -7,7 +7,7 @@ class Projects::ClustersController < Projects::ApplicationController
   before_action :authorize_admin_cluster!, only: [:destroy]
 
   def index
-    @clusters ||= project.clusters.map { |cluster| cluster.present(current_user: current_user) }
+    @clusters ||= project.clusters.page(params[:page]).per(20).map { |cluster| cluster.present(current_user: current_user) }
   end
 
   def login
@@ -64,10 +64,20 @@ class Projects::ClustersController < Projects::ApplicationController
       .execute(cluster)
 
     if cluster.valid?
+      respond_to do |format|
+        format.json do
+          head :no_content
+        end
+        format.html do
           flash[:notice] = "Cluster was successfully updated."
           redirect_to project_cluster_path(project, project.cluster)
+        end
+      end
     else
-      render :show
+      respond_to do |format|
+        format.json { head :bad_request }
+        format.html { render :show }
+      end
     end
   end
 

app/views/projects/clusters/_empty_state.html.haml

@@ -5,6 +5,6 @@
     %p= s_('ClusterIntegration|Clusters allow you to use review apps, deploy your applications, run your pipelines, and much more in an easy way. %{link_to_help_page}').html_safe % { link_to_help_page: link_to_help_page}
 
     %p
-      = link_to s_('ClusterIntegration|Add cluster'), '', class: 'btn btn-success', title: 'Add cluster'
+      = link_to s_('ClusterIntegration|Add cluster'), new_project_cluster_path(@project), class: 'btn btn-success', title: 'Add cluster'
   .svg-content
     = image_tag 'illustrations/labels.svg'

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

@@ -21,8 +21,8 @@
           %span.badge
             0
     .nav-controls
-      = link_to s_('ClusterIntegration|Add cluster'), '', class: 'btn btn-success', title: 'Add cluster'
-  .ci-table
+      = link_to s_('ClusterIntegration|Add cluster'), new_project_cluster_path(@project), class: 'btn btn-success', title: 'Add cluster'
+  .ci-table.js-clusters-list
     .gl-responsive-table-row.table-row-header{ role: 'row' }
       .table-section.section-30{ role: 'rowheader' }
         = s_('ClusterIntegration|Cluster')
@@ -31,12 +31,11 @@
       .table-section.section-30{ role: 'rowheader' }
         = s_('ClusterIntegration|Project namespace')
       .table-section.section-10{ role: 'rowheader' }
+    - @clusters.each do |cluster|
       .gl-responsive-table-row
         .table-section.section-30
-        .table-mobile-header{ role: 'rowheader' }
-          = s_('ClusterIntegration|Cluster')
-        .table-mobile-content
-          Content goes here
+          .table-mobile-header{ role: 'rowheader' }= s_('ClusterIntegration|Cluster')
+          .table-mobile-content= cluster.name
         .table-section.section-30
           .table-mobile-header{ role: 'rowheader' }
             = s_('ClusterIntegration|Environment pattern')
@@ -51,7 +50,11 @@
           .table-mobile-header{ role: 'rowheader' }
           .table-mobile-content
             %button{ type: 'button',
-            class: "js-toggle-cluster project-feature-toggle",
+              class: "js-toggle-cluster-list project-feature-toggle #{'checked' unless !cluster.enabled?} #{'disabled' unless can?(current_user, :update_cluster, cluster)}",
               'aria-label': s_('ClusterIntegration|Toggle Cluster'),
-            data: { 'enabled-text': 'Enabled', 'disabled-text': 'Disabled' } }
+              disabled: !can?(current_user, :update_cluster, cluster),
+              data: { 'enabled-text': 'Enabled',
+                'disabled-text': 'Disabled',
+                endpoint: namespace_project_cluster_path(@project.namespace, @project, cluster, format: :json) } }
+              = icon('loading', class: 'hidden')
 

spec/features/projects/clusters_spec.rb

@@ -94,6 +94,33 @@ feature 'Clusters', :js do
         visit project_clusters_path(project)
       end
 
+      it 'user sees a table with one cluster' do
+
+      end
+
+      it 'user sees a disabled add cluster button ' do
+
+      end
+
+      it 'user sees navigation tabs' do
+
+      end
+
+      context 'update cluster' do
+        it 'user can update cluster' do
+        end
+
+        context 'with sucessfull request' do
+          it 'user sees updated cluster' do
+          end
+        end
+
+        context 'with failed request' do
+          it 'user sees not update cluster and error message' do
+          end
+        end
+      end
+
       context 'when user clicks on a cluster' do
         before do
           # TODO: Replace with Click on cluster after frontend implements list
@@ -216,4 +243,6 @@ feature 'Clusters', :js do
       expect(page).to have_css('.signin-with-google')
     end
   end
+
+  context
 end

spec/javascripts/clusters/clusters_index_spec.js

+import ClusterTable from '~/clusters/clusters_index';
+
+describe('Clusters table', () => {
+  let ClustersClass;
+
+  beforeEach(() => {
+    ClustersClass = new ClusterTable();
+  });
+
+  afterEach(() => {
+    ClustersClass.removeListeners();
+  });
+
+  describe('update cluster', () => {
+    it('renders a toggle button', () => {
+
+    });
+
+    it('renders loading state while request is made', () => {
+
+    });
+
+    it('shows updated state after sucessfull request', () => {
+
+    });
+
+    it('shows inital state after failed request', () => {
+
+    });
+  });
+});