Handle external dashboard form submission

Connect frontend UI with backend api for external dashboard link

app/assets/javascripts/monitoring/components/dashboard.vue

@@ -38,7 +38,7 @@ export default {
     GlModalDirective,
   },
   props: {
-    externalDashboardPath: {
+    externalDashboardUrl: {
       type: String,
       required: false,
       default: '',
@@ -299,10 +299,11 @@ export default {
           </gl-modal>
         </div>
         <gl-button
-          v-if="externalDashboardPath.length"
+          v-if="externalDashboardUrl.length"
           class="js-external-dashboard-link prepend-left-8"
           variant="primary"
-          :href="externalDashboardPath"
+          :href="externalDashboardUrl"
+          target="_blank"
         >
           {{ __('View full dashboard') }}
           <icon name="external-link" />

app/assets/javascripts/operation_settings/components/external_dashboard.vue

 <script>
+import { mapState, mapActions } from 'vuex';
 import { GlButton, GlFormGroup, GlFormInput, GlLink } from '@gitlab/ui';
 
 export default {
@@ -8,17 +9,24 @@ export default {
     GlFormInput,
     GlLink,
   },
-  props: {
-    externalDashboardPath: {
-      type: String,
-      required: false,
-      default: '',
+  computed: {
+    ...mapState([
+      'externalDashboardHelpPagePath',
+      'externalDashboardUrl',
+      'operationsSettingsEndpoint',
+    ]),
+    userDashboardUrl: {
+      get() {
+        return this.externalDashboardUrl;
       },
-    externalDashboardHelpPagePath: {
-      type: String,
-      required: true,
+      set(url) {
+        this.setExternalDashboardUrl(url);
       },
     },
+  },
+  methods: {
+    ...mapActions(['setExternalDashboardUrl', 'updateExternalDashboardUrl']),
+  },
 };
 </script>
 
@@ -45,11 +53,12 @@ export default {
           :description="s__('ExternalMetrics|Enter the URL of the dashboard you want to link to')"
         >
           <gl-form-input
-            :value="externalDashboardPath"
+            v-model="userDashboardUrl"
             placeholder="https://my-org.gitlab.io/my-dashboards"
+            @keydown.enter.native.prevent="updateExternalDashboardUrl"
           />
         </gl-form-group>
-        <gl-button variant="success">
+        <gl-button variant="success" @click="updateExternalDashboardUrl">
           {{ __('Save Changes') }}
         </gl-button>
       </form>

app/assets/javascripts/operation_settings/index.js

 import Vue from 'vue';
+import store from './store';
 import ExternalDashboardForm from './components/external_dashboard.vue';
 
 export default () => {
@@ -14,13 +15,9 @@ export default () => {
 
   return new Vue({
     el,
+    store: store(el.dataset),
     render(createElement) {
-      return createElement(ExternalDashboardForm, {
-        props: {
-          ...el.dataset,
-          expanded: false,
-        },
-      });
+      return createElement(ExternalDashboardForm);
     },
   });
 };

app/assets/javascripts/operation_settings/store/actions.js

+import axios from '~/lib/utils/axios_utils';
+import { __ } from '~/locale';
+import createFlash from '~/flash';
+import { refreshCurrentPage } from '~/lib/utils/url_utility';
+import * as mutationTypes from './mutation_types';
+
+export const setExternalDashboardUrl = ({ commit }, url) =>
+  commit(mutationTypes.SET_EXTERNAL_DASHBOARD_URL, url);
+
+export const updateExternalDashboardUrl = ({ state, dispatch }) =>
+  axios
+    .patch(state.operationsSettingsEndpoint, {
+      project: {
+        metrics_setting_attributes: {
+          external_dashboard_url: state.externalDashboardUrl,
+        },
+      },
+    })
+    .then(() => dispatch('receiveExternalDashboardUpdateSuccess'))
+    .catch(error => dispatch('receiveExternalDashboardUpdateError', error));
+
+export const receiveExternalDashboardUpdateSuccess = () => {
+  /**
+   * The operations_controller currently handles successful requests
+   * by creating a flash banner messsage to notify the user.
+   */
+  refreshCurrentPage();
+};
+
+export const receiveExternalDashboardUpdateError = (_, error) => {
+  const { response } = error;
+  const message = response.data && response.data.message ? response.data.message : '';
+
+  createFlash(`${__('There was an error saving your changes.')} ${message}`, 'alert');
+};
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/operation_settings/store/index.js

+import Vue from 'vue';
+import Vuex from 'vuex';
+import createState from './state';
+import * as actions from './actions';
+import mutations from './mutations';
+
+Vue.use(Vuex);
+
+export const createStore = initialState =>
+  new Vuex.Store({
+    state: createState(initialState),
+    actions,
+    mutations,
+  });
+
+export default createStore;

app/assets/javascripts/operation_settings/store/mutation_types.js

+/* eslint-disable import/prefer-default-export */
+
+export const SET_EXTERNAL_DASHBOARD_URL = 'SET_EXTERNAL_DASHBOARD_URL';

app/assets/javascripts/operation_settings/store/mutations.js

+import * as types from './mutation_types';
+
+export default {
+  [types.SET_EXTERNAL_DASHBOARD_URL](state, url) {
+    state.externalDashboardUrl = url;
+  },
+};

app/assets/javascripts/operation_settings/store/state.js

+export default (initialState = {}) => ({
+  externalDashboardUrl: initialState.externalDashboardUrl || '',
+  operationsSettingsEndpoint: initialState.operationsSettingsEndpoint,
+  externalDashboardHelpPagePath: initialState.externalDashboardHelpPagePath,
+});

app/views/projects/settings/operations/_external_dashboard.html.haml

-.js-operation-settings{ data: { external_dashboard: { path: metrics_external_dashboard_url,
+.js-operation-settings{ data: { operations_settings_endpoint: project_settings_operations_path(@project),
+  external_dashboard: { url: metrics_external_dashboard_url,
   help_page_path: help_page_path('user/project/operations/link_to_external_dashboard') } } }

spec/frontend/operation_settings/components/external_dashboard_spec.js

-import { shallowMount } from '@vue/test-utils';
+import { mount, shallowMount, createLocalVue } from '@vue/test-utils';
 import { GlButton, GlLink, GlFormGroup, GlFormInput } from '@gitlab/ui';
 import ExternalDashboard from '~/operation_settings/components/external_dashboard.vue';
+import store from '~/operation_settings/store';
+import axios from '~/lib/utils/axios_utils';
+import { refreshCurrentPage } from '~/lib/utils/url_utility';
+import createFlash from '~/flash';
 import { TEST_HOST } from 'helpers/test_constants';
 
+jest.mock('~/lib/utils/axios_utils');
+jest.mock('~/lib/utils/url_utility');
+jest.mock('~/flash');
+
 describe('operation settings external dashboard component', () => {
   let wrapper;
-  const externalDashboardPath = `http://mock-external-domain.com/external/dashboard/path`;
+  const operationsSettingsEndpoint = `${TEST_HOST}/mock/ops/settings/endpoint`;
+  const externalDashboardUrl = `http://mock-external-domain.com/external/dashboard/url`;
   const externalDashboardHelpPagePath = `${TEST_HOST}/help/page/path`;
-
-  beforeEach(() => {
-    wrapper = shallowMount(ExternalDashboard, {
-      propsData: {
-        externalDashboardPath,
+  const localVue = createLocalVue();
+  const mountComponent = (shallow = true) => {
+    const config = [
+      ExternalDashboard,
+      {
+        localVue,
+        store: store({
+          operationsSettingsEndpoint,
+          externalDashboardUrl,
           externalDashboardHelpPagePath,
+        }),
       },
-    });
+    ];
+    wrapper = shallow ? shallowMount(...config) : mount(...config);
+  };
+
+  afterEach(() => {
+    if (wrapper.destroy) {
+      wrapper.destroy();
+    }
+    axios.patch.mockReset();
+    refreshCurrentPage.mockReset();
+    createFlash.mockReset();
   });
 
   it('renders header text', () => {
+    mountComponent();
     expect(wrapper.find('.js-section-header').text()).toBe('External Dashboard');
   });
 
@@ -33,6 +58,7 @@ describe('operation settings external dashboard component', () => {
     let subHeader;
 
     beforeEach(() => {
+      mountComponent();
       subHeader = wrapper.find('.js-section-sub-header');
     });
 
@@ -51,18 +77,12 @@ describe('operation settings external dashboard component', () => {
   });
 
   describe('form', () => {
-    let form;
-
-    beforeEach(() => {
-      form = wrapper.find('form');
-    });
-
-    describe('external dashboard url', () => {
     describe('input label', () => {
       let formGroup;
 
       beforeEach(() => {
-          formGroup = form.find(GlFormGroup);
+        mountComponent();
+        formGroup = wrapper.find(GlFormGroup);
       });
 
       it('uses label text', () => {
@@ -80,11 +100,12 @@ describe('operation settings external dashboard component', () => {
       let input;
 
       beforeEach(() => {
-          input = form.find(GlFormInput);
+        mountComponent();
+        input = wrapper.find(GlFormInput);
       });
 
-        it('defaults to externalDashboardPath prop', () => {
-          expect(input.attributes().value).toBe(externalDashboardPath);
+      it('defaults to externalDashboardUrl', () => {
+        expect(input.attributes().value).toBe(externalDashboardUrl);
       });
 
       it('uses a placeholder', () => {
@@ -93,15 +114,50 @@ describe('operation settings external dashboard component', () => {
     });
 
     describe('submit button', () => {
-        let submit;
-
-        beforeEach(() => {
-          submit = form.find(GlButton);
-        });
+      const endpointRequest = [
+        operationsSettingsEndpoint,
+        {
+          project: {
+            metrics_setting_attributes: {
+              external_dashboard_url: externalDashboardUrl,
+            },
+          },
+        },
+      ];
 
       it('renders button label', () => {
+        mountComponent();
+        const submit = wrapper.find(GlButton);
         expect(submit.text()).toBe('Save Changes');
       });
+
+      it('submits form on click', () => {
+        mountComponent(false);
+        axios.patch.mockResolvedValue();
+        wrapper.find(GlButton).trigger('click');
+
+        expect(axios.patch).toHaveBeenCalledWith(...endpointRequest);
+
+        return wrapper.vm.$nextTick().then(() => expect(refreshCurrentPage).toHaveBeenCalled());
+      });
+
+      it('creates flash banner on error', () => {
+        mountComponent(false);
+        const message = 'mockErrorMessage';
+        axios.patch.mockRejectedValue({ response: { data: { message } } });
+        wrapper.find(GlButton).trigger('click');
+
+        expect(axios.patch).toHaveBeenCalledWith(...endpointRequest);
+
+        return wrapper.vm
+          .$nextTick()
+          .then(jest.runAllTicks)
+          .then(() =>
+            expect(createFlash).toHaveBeenCalledWith(
+              `There was an error saving your changes. ${message}`,
+              'alert',
+            ),
+          );
       });
     });
   });

spec/frontend/operation_settings/store/mutations_spec.js

+import mutations from '~/operation_settings/store/mutations';
+import createState from '~/operation_settings/store/state';
+
+describe('operation settings mutations', () => {
+  let localState;
+
+  beforeEach(() => {
+    localState = createState();
+  });
+
+  describe('SET_EXTERNAL_DASHBOARD_URL', () => {
+    it('sets externalDashboardUrl', () => {
+      const mockUrl = 'mockUrl';
+      mutations.SET_EXTERNAL_DASHBOARD_URL(localState, mockUrl);
+
+      expect(localState.externalDashboardUrl).toBe(mockUrl);
+    });
+  });
+});

spec/javascripts/monitoring/dashboard_spec.js

@@ -393,7 +393,7 @@ describe('Dashboard', () => {
             hasMetrics: true,
             showPanels: false,
             showTimeWindowDropdown: false,
-            externalDashboardPath: '/mockPath',
+            externalDashboardUrl: '/mockUrl',
           },
           store,
         });
@@ -419,7 +419,7 @@ describe('Dashboard', () => {
             hasMetrics: true,
             showPanels: false,
             showTimeWindowDropdown: false,
-            externalDashboardPath: '',
+            externalDashboardUrl: '',
           },
           store,
         });