Add milestone filtering support in Roadmap

Adds Milestone token support in filtered search for
Roadmap.

ee/app/assets/javascripts/roadmap/components/roadmap_filters.vue

@@ -16,6 +16,7 @@ import { visitUrl, mergeUrlParams, updateHistory, setUrlParams } from '~/lib/uti
 import FilteredSearchBar from '~/vue_shared/components/filtered_search_bar/filtered_search_bar_root.vue';
 import AuthorToken from '~/vue_shared/components/filtered_search_bar/tokens/author_token.vue';
 import LabelToken from '~/vue_shared/components/filtered_search_bar/tokens/label_token.vue';
+import MilestoneToken from '~/vue_shared/components/filtered_search_bar/tokens/milestone_token.vue';
 
 import { EPICS_STATES, PRESET_TYPES } from '../constants';
 
@@ -59,6 +60,7 @@ export default {
       'sortedBy',
       'fullPath',
       'groupLabelsEndpoint',
+      'groupMilestonesEndpoint',
       'filterParams',
     ]),
     selectedEpicStateTitle() {
@@ -108,10 +110,32 @@ export default {
             });
           },
         },
+        {
+          type: 'milestone_title',
+          icon: 'clock',
+          title: __('Milestone'),
+          unique: true,
+          symbol: '%',
+          token: MilestoneToken,
+          operators: [{ value: '=', description: __('is'), default: 'true' }],
+          fetchMilestones: (search = '') => {
+            return axios.get(this.groupMilestonesEndpoint).then(({ data }) => {
+              // TODO: Remove below condition check once either of the following is supported.
+              // a) Milestones Private API supports search param.
+              // b) Milestones Public API supports including child projects' milestones.
+              if (search) {
+                return {
+                  data: data.filter(m => m.title.toLowerCase().includes(search.toLowerCase())),
+                };
+              }
+              return { data };
+            });
+          },
+        },
       ];
     },
     getFilteredSearchValue() {
-      const { authorUsername, labelName, search } = this.filterParams || {};
+      const { authorUsername, labelName, milestoneTitle, search } = this.filterParams || {};
       const filteredSearchValue = [];
 
       if (authorUsername) {
@@ -121,6 +145,13 @@ export default {
         });
       }
 
+      if (milestoneTitle) {
+        filteredSearchValue.push({
+          type: 'milestone_title',
+          value: { data: milestoneTitle },
+        });
+      }
+
       if (labelName?.length) {
         filteredSearchValue.push(
           ...labelName.map(label => ({
@@ -138,7 +169,7 @@ export default {
     },
     updateUrl() {
       const queryParams = urlParamsToObject(window.location.search);
-      const { authorUsername, labelName, search } = this.filterParams || {};
+      const { authorUsername, labelName, milestoneTitle, search } = this.filterParams || {};
 
       queryParams.state = this.epicsState;
       queryParams.sort = this.sortedBy;
@@ -149,6 +180,12 @@ export default {
         delete queryParams.author_username;
       }
 
+      if (milestoneTitle) {
+        queryParams.milestone_title = milestoneTitle;
+      } else {
+        delete queryParams.milestone_title;
+      }
+
       delete queryParams.label_name;
       if (labelName?.length) {
         queryParams['label_name[]'] = labelName;
@@ -182,10 +219,18 @@ export default {
 
       filters.forEach(filter => {
         if (typeof filter === 'object') {
-          if (filter.type === 'author_username') {
+          switch (filter.type) {
+            case 'author_username':
               filterParams.authorUsername = filter.value.data;
-          } else if (filter.type === 'label_name') {
+              break;
+            case 'milestone_title':
+              filterParams.milestoneTitle = filter.value.data;
+              break;
+            case 'label_name':
               labels.push(filter.value.data);
+              break;
+            default:
+              break;
           }
         } else {
           filterParams.search = filter;

ee/app/assets/javascripts/roadmap/queries/groupEpics.query.graphql

@@ -8,6 +8,7 @@ query groupEpics(
   $dueDate: Time
   $labelName: [String!] = []
   $authorUsername: String = ""
+  $milestoneTitle: String = ""
   $search: String = ""
 ) {
   group(fullPath: $fullPath) {
@@ -20,6 +21,7 @@ query groupEpics(
       endDate: $dueDate
       labelName: $labelName
       authorUsername: $authorUsername
+      milestoneTitle: $milestoneTitle
       search: $search
     ) {
       edges {

ee/app/assets/javascripts/roadmap/roadmap_bundle.js

@@ -87,6 +87,7 @@ export default () => {
         epicIid: dataset.iid,
         newEpicEndpoint: dataset.newEpicEndpoint,
         groupLabelsEndpoint: dataset.groupLabelsEndpoint,
+        groupMilestonesEndpoint: dataset.groupMilestonesEndpoint,
         epicsState: dataset.epicsState,
         sortedBy: dataset.sortedBy,
         filterQueryString,
@@ -110,6 +111,7 @@ export default () => {
         filterParams: this.filterParams,
         initialEpicsPath: this.initialEpicsPath,
         groupLabelsEndpoint: this.groupLabelsEndpoint,
+        groupMilestonesEndpoint: this.groupMilestonesEndpoint,
         defaultInnerHeight: this.defaultInnerHeight,
         isChildEpics: this.isChildEpics,
         hasFiltersApplied: this.hasFiltersApplied,

ee/app/assets/javascripts/roadmap/store/state.js

@@ -6,6 +6,7 @@ export default () => ({
   initialEpicsPath: '',
   filterParams: null,
   groupLabelsEndpoint: '',
+  groupMilestonesEndpoint: '',
 
   // Data
   epicIid: '',

ee/app/views/groups/roadmap/show.html.haml

@@ -32,6 +32,7 @@
     has_filters_applied: "#{has_filters_applied}",
     new_epic_endpoint: group_epics_path(@group),
     group_labels_endpoint: group_labels_path(@group, format: :json),
+    group_milestones_endpoint: group_milestones_path(@group, format: :json),
     preset_type: roadmap_layout,
     epics_state: @epics_state,
     sorted_by: @sort,

ee/spec/frontend/roadmap/components/roadmap_filters_spec.js

@@ -9,6 +9,7 @@ import {
 import FilteredSearchBar from '~/vue_shared/components/filtered_search_bar/filtered_search_bar_root.vue';
 import AuthorToken from '~/vue_shared/components/filtered_search_bar/tokens/author_token.vue';
 import LabelToken from '~/vue_shared/components/filtered_search_bar/tokens/label_token.vue';
+import MilestoneToken from '~/vue_shared/components/filtered_search_bar/tokens/milestone_token.vue';
 
 import { visitUrl, mergeUrlParams, updateHistory } from '~/lib/utils/url_utility';
 
@@ -93,6 +94,7 @@ describe('RoadmapFilters', () => {
         wrapper.vm.$store.dispatch('setFilterParams', {
           authorUsername: 'root',
           labelName: ['Bug'],
+          milestoneTitle: '4.0',
         });
         wrapper.vm.$store.dispatch('setSortedBy', 'end_date_asc');
 
@@ -101,7 +103,7 @@ describe('RoadmapFilters', () => {
         wrapper.vm.updateUrl();
 
         expect(global.window.location.href).toBe(
-          `${TEST_HOST}/?state=${EPICS_STATES.CLOSED}&sort=end_date_asc&author_username=root&label_name%5B%5D=Bug`,
+          `${TEST_HOST}/?state=${EPICS_STATES.CLOSED}&sort=end_date_asc&author_username=root&milestone_title=4.0&label_name%5B%5D=Bug`,
         );
       });
     });
@@ -186,6 +188,16 @@ describe('RoadmapFilters', () => {
             operators: [{ value: '=', description: 'is', default: 'true' }],
             fetchLabels: expect.any(Function),
           },
+          {
+            type: 'milestone_title',
+            icon: 'clock',
+            title: 'Milestone',
+            unique: true,
+            symbol: '%',
+            token: MilestoneToken,
+            operators: [{ value: '=', description: 'is', default: 'true' }],
+            fetchMilestones: expect.any(Function),
+          },
         ]);
       });