Refactor issues analytics filter handling

Migrate issues analytics filters from being stored as a
string to an object.

Required in order to better handle transformation of params
for different endpoint requirements.

ee/app/assets/javascripts/issues_analytics/components/issues_analytics.vue

@@ -6,8 +6,9 @@ import { GlColumnChart, GlChartLegend } from '@gitlab/ui/dist/charts';
 import { s__ } from '~/locale';
 import { getMonthNames } from '~/lib/utils/datetime_utility';
 import { getSvgIconPathContent } from '~/lib/utils/icon_utils';
+import { mergeUrlParams } from '~/lib/utils/url_utility';
 import IssuesAnalyticsTable from './issues_analytics_table.vue';
-import { transformIssuesApiEndpoint } from '../utils';
+import { transformFilters } from '../utils';
 
 export default {
   components: {
@@ -111,11 +112,16 @@ export default {
       return engineeringNotation(sum(...this.series));
     },
     issuesTableEndpoints() {
+      const publicApiFilters = transformFilters(this.appliedFilters);
+
       return {
-        api: transformIssuesApiEndpoint(`${this.issuesApiEndpoint}${this.appliedFilters}`),
+        api: mergeUrlParams(publicApiFilters, this.issuesApiEndpoint),
         issuesPage: this.issuesPageEndpoint,
       };
     },
+    filterString() {
+      return JSON.stringify(this.appliedFilters);
+    },
   },
   watch: {
     appliedFilters() {
@@ -183,7 +189,7 @@ export default {
       </div>
     </div>
 
-    <issues-analytics-table :key="appliedFilters" class="mt-8" :endpoints="issuesTableEndpoints" />
+    <issues-analytics-table :key="filterString" class="mt-8" :endpoints="issuesTableEndpoints" />
 
     <gl-empty-state
       v-if="showFiltersEmptyState"

ee/app/assets/javascripts/issues_analytics/filtered_search_issues_analytics.js

 import IssuableFilteredSearchTokenKeys from 'ee_else_ce/filtered_search/issuable_filtered_search_token_keys';
 import FilteredSearchTokenKeys from '~/filtered_search/filtered_search_token_keys';
 import FilteredSearchManager from 'ee_else_ce/filtered_search/filtered_search_manager';
-import { historyPushState } from '~/lib/utils/common_utils';
+import { historyPushState, urlParamsToObject } from '~/lib/utils/common_utils';
 import { __ } from '~/locale';
 import issueAnalyticsStore from './stores';
 
@@ -33,6 +33,8 @@ export default class FilteredSearchIssueAnalytics extends FilteredSearchManager
    */
   updateObject = path => {
     historyPushState(path);
-    issueAnalyticsStore.dispatch('issueAnalytics/setFilters', path);
+
+    const filters = urlParamsToObject(path);
+    issueAnalyticsStore.dispatch('issueAnalytics/setFilters', filters);
   };
 }

ee/app/assets/javascripts/issues_analytics/index.js

@@ -2,6 +2,7 @@ import Vue from 'vue';
 import IssuesAnalytics from './components/issues_analytics.vue';
 import store from './stores';
 import FilteredSearchIssueAnalytics from './filtered_search_issues_analytics';
+import { urlParamsToObject } from '~/lib/utils/common_utils';
 
 export default () => {
   const el = document.querySelector('#js-issues-analytics');
@@ -18,7 +19,8 @@ export default () => {
   } = el.dataset;
 
   // Set default filters from URL
-  store.dispatch('issueAnalytics/setFilters', window.location.search);
+  const filters = urlParamsToObject(window.location.search);
+  store.dispatch('issueAnalytics/setFilters', filters);
 
   return new Vue({
     el,

ee/app/assets/javascripts/issues_analytics/services/issue_analytics_service.js

 import axios from '~/lib/utils/axios_utils';
+import { mergeUrlParams } from '~/lib/utils/url_utility';
 
 export default {
   fetchChartData(endpoint, filters) {
-    return axios.get(`${endpoint}${filters}`);
+    return axios.get(mergeUrlParams(filters, endpoint));
   },
 };

ee/app/assets/javascripts/issues_analytics/stores/modules/issue_analytics/state.js

 export default () => ({
   loading: false,
-  filters: '',
+  filters: {},
   chartData: null,
 });

ee/app/assets/javascripts/issues_analytics/utils.js

-import { mergeUrlParams, getParameterValues, removeParams } from '~/lib/utils/url_utility';
-
-const LABEL_FILTER_NAME = 'label_name[]';
-const MILESTONE_FILTER_NAME = 'milestone_title';
-
 /**
- * This util method takes the issues api endpoint with global page filters
- * and transforms parameters which are not standardized between the internal
- * issues analytics api and the public issues api.
+ * This util method takes the global page filters and transforms parameters which
+ * are not standardized between the internal issues analytics api and the public
+ * issues api.
  *
- * @param {String} endpoint the api endpoint with global filters used to fetch issues data
+ * @param {Object} filters the global filters used to fetch issues data
  *
- * @returns {String} The endpoint formatted for the public api
+ * @returns {Object} the transformed filters for the public api
  */
 // eslint-disable-next-line import/prefer-default-export
-export const transformIssuesApiEndpoint = endpoint => {
-  const cleanEndpoint = removeParams([LABEL_FILTER_NAME, MILESTONE_FILTER_NAME], endpoint, true);
-  const labels = getParameterValues(LABEL_FILTER_NAME, endpoint);
-  const milestone = getParameterValues(MILESTONE_FILTER_NAME, endpoint);
-
-  return mergeUrlParams({ labels, milestone }, cleanEndpoint);
-};
+export const transformFilters = ({
+  label_name: labels = null,
+  milestone_title: milestone = null,
+  ...restOfFilters
+}) => ({
+  ...restOfFilters,
+  labels,
+  milestone,
+});

ee/spec/frontend/issues_analytics/stores/modules/issues_analytics/actions_spec.js

@@ -2,6 +2,7 @@ import MockAdapter from 'axios-mock-adapter';
 import testAction from 'helpers/vuex_action_helper';
 import * as actions from 'ee/issues_analytics/stores/modules/issue_analytics/actions';
 import axios from '~/lib/utils/axios_utils';
+import { TEST_HOST } from 'helpers/test_constants';
 
 describe('Issue analytics store actions', () => {
   describe('setFilters', () => {
@@ -41,14 +42,14 @@ describe('Issue analytics store actions', () => {
     });
 
     it('commits SET_CHART_DATA with chart data', () => {
-      const getters = { appliedFilters: '?hello=world' };
+      const getters = { appliedFilters: { hello: 'world' } };
       const context = {
         dispatch,
         getters,
         commit,
       };
 
-      return actions.fetchChartData(context, gl.TEST_HOST).then(() => {
+      return actions.fetchChartData(context, TEST_HOST).then(() => {
         expect(dispatch.mock.calls[0]).toEqual(['setLoadingState', true]);
         expect(commit).toHaveBeenCalledWith('SET_CHART_DATA', chartData);
         expect(dispatch.mock.calls[1]).toEqual(['setLoadingState', false]);

ee/spec/frontend/issues_analytics/utils_spec.js

-import { transformIssuesApiEndpoint } from 'ee/issues_analytics/utils';
-import { TEST_HOST } from 'helpers/test_constants';
+import { transformFilters } from 'ee/issues_analytics/utils';
 
-const dirtyEndpoint = `${TEST_HOST}/issues?label_name[]=cool&label_name[]=beans&milestone_title=v4.0`;
-const cleanEndpoint = `${TEST_HOST}/issues?labels=cool%2Cbeans&milestone=v4.0`;
+const originalFilters = {
+  label_name: ['one', 'two'],
+  milestone_title: 'title',
+  author_username: 'root',
+};
+const tranformedFilters = { labels: ['one', 'two'], milestone: 'title', author_username: 'root' };
 
 describe('issues analytics utils', () => {
-  describe('transformIssuesApiEndpoint', () => {
-    it('replaces the params as expected', () => {
-      const endpoint = transformIssuesApiEndpoint(dirtyEndpoint);
+  describe('transformFilters', () => {
+    it('transforms the object keys as expected', () => {
+      const filters = transformFilters(originalFilters);
 
-      expect(endpoint).toBe(cleanEndpoint);
+      expect(filters).toStrictEqual(tranformedFilters);
     });
   });
 });