Merge branch 'kp-issue_6086' into 'master'

CE Backport: Epic issue list and related issue list re-design

See merge request gitlab-org/gitlab-ce!23658

7 files changed, 627 insertions, 6 deletions

diff --git a/app/assets/javascripts/boards/components/issue_due_date.vue b/app/assets/javascripts/boards/components/issue_due_date.vue
index 15937b1091a..e038198e6f0 100644
--- a/app/assets/javascripts/boards/components/issue_due_date.vue
+++ b/app/assets/javascripts/boards/components/issue_due_date.vue
@@ -15,6 +15,16 @@ export default {
       type: String,
       required: true,
     },
+    cssClass: {
+      type: String,
+      required: false,
+      default: '',
+    },
+    tooltipPlacement: {
+      type: String,
+      required: false,
+      default: 'bottom',
+    },
   },
   computed: {
     title() {
@@ -66,15 +76,13 @@ export default {
 
 <template>
   <span>
-    <span ref="issueDueDate" class="board-card-info card-number">
-      <icon
-        :class="{ 'text-danger': isPastDue, 'board-card-info-icon': true }"
-        name="calendar"
-      /><time :class="{ 'text-danger': isPastDue }" datetime="date" class="board-card-info-text">{{
+    <span ref="issueDueDate" :class="cssClass" class="board-card-info card-number">
+      <icon :class="{ 'text-danger': isPastDue, 'board-card-info-icon': true }" name="calendar" />
+      <time :class="{ 'text-danger': isPastDue }" datetime="date" class="board-card-info-text">{{
         body
       }}</time>
     </span>
-    <gl-tooltip :target="() => $refs.issueDueDate" placement="bottom">
+    <gl-tooltip :target="() => $refs.issueDueDate" :placement="tooltipPlacement">
       <span class="bold">{{ __('Due date') }}</span> <br />
       <span :class="{ 'text-danger-muted': isPastDue }">{{ title }}</span>
     </gl-tooltip>
diff --git a/app/assets/javascripts/vue_shared/components/issue/issue_assignees.vue b/app/assets/javascripts/vue_shared/components/issue/issue_assignees.vue
new file mode 100644
index 00000000000..7e79e63aa1e
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/issue/issue_assignees.vue
@@ -0,0 +1,94 @@
+<script>
+import { GlTooltipDirective } from '@gitlab/ui';
+import { __, sprintf } from '~/locale';
+
+import UserAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';
+
+export default {
+  components: {
+    UserAvatarLink,
+  },
+  directives: {
+    GlTooltip: GlTooltipDirective,
+  },
+  props: {
+    assignees: {
+      type: Array,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      maxVisibleAssignees: 2,
+      maxAssigneeAvatars: 3,
+      maxAssignees: 99,
+    };
+  },
+  computed: {
+    countOverLimit() {
+      return this.assignees.length - this.maxVisibleAssignees;
+    },
+    assigneesToShow() {
+      if (this.assignees.length > this.maxAssigneeAvatars) {
+        return this.assignees.slice(0, this.maxVisibleAssignees);
+      }
+      return this.assignees;
+    },
+    assigneesCounterTooltip() {
+      const { countOverLimit, maxAssignees } = this;
+      const count = countOverLimit > maxAssignees ? maxAssignees : countOverLimit;
+
+      return sprintf(__('%{count} more assignees'), { count });
+    },
+    shouldRenderAssigneesCounter() {
+      const assigneesCount = this.assignees.length;
+      if (assigneesCount <= this.maxAssigneeAvatars) {
+        return false;
+      }
+
+      return assigneesCount > this.countOverLimit;
+    },
+    assigneeCounterLabel() {
+      if (this.countOverLimit > this.maxAssignees) {
+        return `${this.maxAssignees}+`;
+      }
+
+      return `+${this.countOverLimit}`;
+    },
+  },
+  methods: {
+    avatarUrlTitle(assignee) {
+      return sprintf(__('Avatar for %{assigneeName}'), {
+        assigneeName: assignee.name,
+      });
+    },
+  },
+};
+</script>
+<template>
+  <div class="issue-assignees">
+    <user-avatar-link
+      v-for="assignee in assigneesToShow"
+      :key="assignee.id"
+      :link-href="assignee.web_url"
+      :img-alt="avatarUrlTitle(assignee)"
+      :img-src="assignee.avatar_url"
+      :img-size="24"
+      class="js-no-trigger"
+      tooltip-placement="bottom"
+    >
+      <span class="js-assignee-tooltip">
+        <span class="bold d-block">{{ __('Assignee') }}</span> {{ assignee.name }}
+        <span class="text-white-50">@{{ assignee.username }}</span>
+      </span>
+    </user-avatar-link>
+    <span
+      v-if="shouldRenderAssigneesCounter"
+      v-gl-tooltip
+      :title="assigneesCounterTooltip"
+      class="avatar-counter"
+      data-placement="bottom"
+      >{{ assigneeCounterLabel }}</span
+    >
+  </div>
+</template>
diff --git a/app/assets/javascripts/vue_shared/components/issue/issue_milestone.vue b/app/assets/javascripts/vue_shared/components/issue/issue_milestone.vue
new file mode 100644
index 00000000000..d5d967e25bf
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/issue/issue_milestone.vue
@@ -0,0 +1,90 @@
+<script>
+import { GlTooltip } from '@gitlab/ui';
+import { __, sprintf } from '~/locale';
+import timeagoMixin from '~/vue_shared/mixins/timeago';
+import { timeFor, parsePikadayDate, dateInWords } from '~/lib/utils/datetime_utility';
+import Icon from '~/vue_shared/components/icon.vue';
+
+export default {
+  components: {
+    Icon,
+    GlTooltip,
+  },
+  mixins: [timeagoMixin],
+  props: {
+    milestone: {
+      type: Object,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      milestoneDue: this.milestone.due_date ? parsePikadayDate(this.milestone.due_date) : null,
+      milestoneStart: this.milestone.start_date
+        ? parsePikadayDate(this.milestone.start_date)
+        : null,
+    };
+  },
+  computed: {
+    isMilestoneStarted() {
+      if (!this.milestoneStart) {
+        return false;
+      }
+      return Date.now() > this.milestoneStart;
+    },
+    isMilestonePastDue() {
+      if (!this.milestoneDue) {
+        return false;
+      }
+      return Date.now() > this.milestoneDue;
+    },
+    milestoneDatesAbsolute() {
+      if (this.milestoneDue) {
+        return `(${dateInWords(this.milestoneDue)})`;
+      } else if (this.milestoneStart) {
+        return `(${dateInWords(this.milestoneStart)})`;
+      }
+      return '';
+    },
+    milestoneDatesHuman() {
+      if (this.milestoneStart || this.milestoneDue) {
+        if (this.milestoneDue) {
+          return timeFor(
+            this.milestoneDue,
+            sprintf(__('Expired %{expiredOn}'), {
+              expiredOn: this.timeFormated(this.milestoneDue),
+            }),
+          );
+        }
+
+        return sprintf(
+          this.isMilestoneStarted ? __('Started %{startsIn}') : __('Starts %{startsIn}'),
+          {
+            startsIn: this.timeFormated(this.milestoneStart),
+          },
+        );
+      }
+      return '';
+    },
+  },
+};
+</script>
+<template>
+  <div ref="milestoneDetails" class="issue-milestone-details">
+    <icon :size="16" class="inline icon" name="clock" />
+    <span class="milestone-title">{{ milestone.title }}</span>
+    <gl-tooltip :target="() => $refs.milestoneDetails" placement="bottom" class="js-item-milestone">
+      <span class="bold">{{ __('Milestone') }}</span> <br />
+      <span>{{ milestone.title }}</span> <br />
+      <span
+        v-if="milestoneStart || milestoneDue"
+        :class="{
+          'text-danger-muted': isMilestonePastDue,
+          'text-tertiary': !isMilestonePastDue,
+        }"
+        ><span>{{ milestoneDatesHuman }}</span
+        ><br /><span>{{ milestoneDatesAbsolute }}</span>
+      </span>
+    </gl-tooltip>
+  </div>
+</template>
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index e1fe73f1b2c..043864fd47e 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -849,6 +849,9 @@ msgstr ""
 msgid "Available specific runners"
 msgstr ""
 
+msgid "Avatar for %{assigneeName}"
+msgstr ""
+
 msgid "Avatar will be removed. Are you sure?"
 msgstr ""
 
@@ -2920,6 +2923,9 @@ msgstr ""
 msgid "Expiration date"
 msgstr ""
 
+msgid "Expired %{expiredOn}"
+msgstr ""
+
 msgid "Expires in %{expires_at}"
 msgstr ""
 
@@ -6275,6 +6281,12 @@ msgstr ""
 msgid "Started"
 msgstr ""
 
+msgid "Started %{startsIn}"
+msgstr ""
+
+msgid "Starts %{startsIn}"
+msgstr ""
+
 msgid "Starts at (UTC)"
 msgstr ""
 
diff --git a/spec/javascripts/boards/mock_data.js b/spec/javascripts/boards/mock_data.js
index c28e41ec175..14fff9223f4 100644
--- a/spec/javascripts/boards/mock_data.js
+++ b/spec/javascripts/boards/mock_data.js
@@ -1,5 +1,11 @@
 import BoardService from '~/boards/services/board_service';
 
+export const boardObj = {
+  id: 1,
+  name: 'test',
+  milestone_id: null,
+};
+
 export const listObj = {
   id: 300,
   position: 0,
@@ -40,6 +46,12 @@ export const BoardsMockData = {
         },
       ],
     },
+    '/test/issue-boards/milestones.json': [
+      {
+        id: 1,
+        title: 'test',
+      },
+    ],
   },
   POST: {
     '/test/-/boards/1/lists': listObj,
@@ -70,3 +82,60 @@ export const mockBoardService = (opts = {}) => {
     boardId,
   });
 };
+
+export const mockAssigneesList = [
+  {
+    id: 2,
+    name: 'Terrell Graham',
+    username: 'monserrate.gleichner',
+    state: 'active',
+    avatar_url: 'https://www.gravatar.com/avatar/598fd02741ac58b88854a99d16704309?s=80&d=identicon',
+    web_url: 'http://127.0.0.1:3001/monserrate.gleichner',
+    path: '/monserrate.gleichner',
+  },
+  {
+    id: 12,
+    name: 'Susy Johnson',
+    username: 'tana_harvey',
+    state: 'active',
+    avatar_url: 'https://www.gravatar.com/avatar/e021a7b0f3e4ae53b5068d487e68c031?s=80&d=identicon',
+    web_url: 'http://127.0.0.1:3001/tana_harvey',
+    path: '/tana_harvey',
+  },
+  {
+    id: 20,
+    name: 'Conchita Eichmann',
+    username: 'juliana_gulgowski',
+    state: 'active',
+    avatar_url: 'https://www.gravatar.com/avatar/c43c506cb6fd7b37017d3b54b94aa937?s=80&d=identicon',
+    web_url: 'http://127.0.0.1:3001/juliana_gulgowski',
+    path: '/juliana_gulgowski',
+  },
+  {
+    id: 6,
+    name: 'Bryce Turcotte',
+    username: 'melynda',
+    state: 'active',
+    avatar_url: 'https://www.gravatar.com/avatar/cc2518f2c6f19f8fac49e1a5ee092a9b?s=80&d=identicon',
+    web_url: 'http://127.0.0.1:3001/melynda',
+    path: '/melynda',
+  },
+  {
+    id: 1,
+    name: 'Administrator',
+    username: 'root',
+    state: 'active',
+    avatar_url: 'https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon',
+    web_url: 'http://127.0.0.1:3001/root',
+    path: '/root',
+  },
+];
+
+export const mockMilestone = {
+  id: 1,
+  state: 'active',
+  title: 'Milestone title',
+  description: 'Harum corporis aut consequatur quae dolorem error sequi quia.',
+  start_date: '2018-01-01',
+  due_date: '2019-12-31',
+};
diff --git a/spec/javascripts/vue_shared/components/issue/issue_assignees_spec.js b/spec/javascripts/vue_shared/components/issue/issue_assignees_spec.js
new file mode 100644
index 00000000000..9eac75fac96
--- /dev/null
+++ b/spec/javascripts/vue_shared/components/issue/issue_assignees_spec.js
@@ -0,0 +1,114 @@
+import Vue from 'vue';
+
+import IssueAssignees from '~/vue_shared/components/issue/issue_assignees.vue';
+
+import mountComponent from 'spec/helpers/vue_mount_component_helper';
+import { mockAssigneesList } from 'spec/boards/mock_data';
+
+const createComponent = (assignees = mockAssigneesList, cssClass = '') => {
+  const Component = Vue.extend(IssueAssignees);
+
+  return mountComponent(Component, {
+    assignees,
+    cssClass,
+  });
+};
+
+describe('IssueAssigneesComponent', () => {
+  let vm;
+
+  beforeEach(() => {
+    vm = createComponent();
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  describe('data', () => {
+    it('returns default data props', () => {
+      expect(vm.maxVisibleAssignees).toBe(2);
+      expect(vm.maxAssigneeAvatars).toBe(3);
+      expect(vm.maxAssignees).toBe(99);
+    });
+  });
+
+  describe('computed', () => {
+    describe('countOverLimit', () => {
+      it('should return difference between assignees count and maxVisibleAssignees', () => {
+        expect(vm.countOverLimit).toBe(mockAssigneesList.length - vm.maxVisibleAssignees);
+      });
+    });
+
+    describe('assigneesToShow', () => {
+      it('should return assignees containing only 2 items when count more than maxAssigneeAvatars', () => {
+        expect(vm.assigneesToShow.length).toBe(2);
+      });
+
+      it('should return all assignees as it is when count less than maxAssigneeAvatars', () => {
+        vm.assignees = mockAssigneesList.slice(0, 3); // Set 3 Assignees
+
+        expect(vm.assigneesToShow.length).toBe(3);
+      });
+    });
+
+    describe('assigneesCounterTooltip', () => {
+      it('should return string containing count of remaining assignees when count more than maxAssigneeAvatars', () => {
+        expect(vm.assigneesCounterTooltip).toBe('3 more assignees');
+      });
+    });
+
+    describe('shouldRenderAssigneesCounter', () => {
+      it('should return `false` when assignees count less than maxAssigneeAvatars', () => {
+        vm.assignees = mockAssigneesList.slice(0, 3); // Set 3 Assignees
+
+        expect(vm.shouldRenderAssigneesCounter).toBe(false);
+      });
+
+      it('should return `true` when assignees count more than maxAssigneeAvatars', () => {
+        expect(vm.shouldRenderAssigneesCounter).toBe(true);
+      });
+    });
+
+    describe('assigneeCounterLabel', () => {
+      it('should return count of additional assignees total assignees count more than maxAssigneeAvatars', () => {
+        expect(vm.assigneeCounterLabel).toBe('+3');
+      });
+    });
+  });
+
+  describe('methods', () => {
+    describe('avatarUrlTitle', () => {
+      it('returns string containing alt text for assignee avatar', () => {
+        expect(vm.avatarUrlTitle(mockAssigneesList[0])).toBe('Avatar for Terrell Graham');
+      });
+    });
+  });
+
+  describe('template', () => {
+    it('renders component root element with class `issue-assignees`', () => {
+      expect(vm.$el.classList.contains('issue-assignees')).toBe(true);
+    });
+
+    it('renders assignee avatars', () => {
+      expect(vm.$el.querySelectorAll('.user-avatar-link').length).toBe(2);
+    });
+
+    it('renders assignee tooltips', () => {
+      const tooltipText = vm.$el
+        .querySelectorAll('.user-avatar-link')[0]
+        .querySelector('.js-assignee-tooltip').innerText;
+
+      expect(tooltipText).toContain('Assignee');
+      expect(tooltipText).toContain('Terrell Graham');
+      expect(tooltipText).toContain('@monserrate.gleichner');
+    });
+
+    it('renders additional assignees count', () => {
+      const avatarCounterEl = vm.$el.querySelector('.avatar-counter');
+
+      expect(avatarCounterEl.innerText.trim()).toBe('+3');
+      expect(avatarCounterEl.getAttribute('data-original-title')).toBe('3 more assignees');
+    });
+  });
+});
diff --git a/spec/javascripts/vue_shared/components/issue/issue_milestone_spec.js b/spec/javascripts/vue_shared/components/issue/issue_milestone_spec.js
new file mode 100644
index 00000000000..8fca2637326
--- /dev/null
+++ b/spec/javascripts/vue_shared/components/issue/issue_milestone_spec.js
@@ -0,0 +1,234 @@
+import Vue from 'vue';
+
+import IssueMilestone from '~/vue_shared/components/issue/issue_milestone.vue';
+
+import mountComponent from 'spec/helpers/vue_mount_component_helper';
+import { mockMilestone } from 'spec/boards/mock_data';
+
+const createComponent = (milestone = mockMilestone) => {
+  const Component = Vue.extend(IssueMilestone);
+
+  return mountComponent(Component, {
+    milestone,
+  });
+};
+
+describe('IssueMilestoneComponent', () => {
+  let vm;
+
+  beforeEach(() => {
+    vm = createComponent();
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  describe('computed', () => {
+    describe('isMilestoneStarted', () => {
+      it('should return `false` when milestoneStart prop is not defined', done => {
+        const vmStartUndefined = createComponent(
+          Object.assign({}, mockMilestone, {
+            start_date: '',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmStartUndefined.isMilestoneStarted).toBe(false);
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmStartUndefined.$destroy();
+      });
+
+      it('should return `true` when milestone start date is past current date', done => {
+        const vmStarted = createComponent(
+          Object.assign({}, mockMilestone, {
+            start_date: '1990-07-22',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmStarted.isMilestoneStarted).toBe(true);
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmStarted.$destroy();
+      });
+    });
+
+    describe('isMilestonePastDue', () => {
+      it('should return `false` when milestoneDue prop is not defined', done => {
+        const vmDueUndefined = createComponent(
+          Object.assign({}, mockMilestone, {
+            due_date: '',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmDueUndefined.isMilestonePastDue).toBe(false);
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmDueUndefined.$destroy();
+      });
+
+      it('should return `true` when milestone due is past current date', done => {
+        const vmPastDue = createComponent(
+          Object.assign({}, mockMilestone, {
+            due_date: '1990-07-22',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmPastDue.isMilestonePastDue).toBe(true);
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmPastDue.$destroy();
+      });
+    });
+
+    describe('milestoneDatesAbsolute', () => {
+      it('returns string containing absolute milestone due date', () => {
+        expect(vm.milestoneDatesAbsolute).toBe('(December 31, 2019)');
+      });
+
+      it('returns string containing absolute milestone start date when due date is not present', done => {
+        const vmDueUndefined = createComponent(
+          Object.assign({}, mockMilestone, {
+            due_date: '',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmDueUndefined.milestoneDatesAbsolute).toBe('(January 1, 2018)');
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmDueUndefined.$destroy();
+      });
+
+      it('returns empty string when both milestone start and due dates are not present', done => {
+        const vmDatesUndefined = createComponent(
+          Object.assign({}, mockMilestone, {
+            start_date: '',
+            due_date: '',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmDatesUndefined.milestoneDatesAbsolute).toBe('');
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmDatesUndefined.$destroy();
+      });
+    });
+
+    describe('milestoneDatesHuman', () => {
+      it('returns string containing milestone due date when date is yet to be due', done => {
+        const vmFuture = createComponent(
+          Object.assign({}, mockMilestone, {
+            due_date: `${new Date().getFullYear() + 10}-01-01`,
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmFuture.milestoneDatesHuman).toContain('years remaining');
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmFuture.$destroy();
+      });
+
+      it('returns string containing milestone start date when date has already started and due date is not present', done => {
+        const vmStarted = createComponent(
+          Object.assign({}, mockMilestone, {
+            start_date: '1990-07-22',
+            due_date: '',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmStarted.milestoneDatesHuman).toContain('Started');
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmStarted.$destroy();
+      });
+
+      it('returns string containing milestone start date when date is yet to start and due date is not present', done => {
+        const vmStarts = createComponent(
+          Object.assign({}, mockMilestone, {
+            start_date: `${new Date().getFullYear() + 10}-01-01`,
+            due_date: '',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmStarts.milestoneDatesHuman).toContain('Starts');
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmStarts.$destroy();
+      });
+
+      it('returns empty string when milestone start and due dates are not present', done => {
+        const vmDatesUndefined = createComponent(
+          Object.assign({}, mockMilestone, {
+            start_date: '',
+            due_date: '',
+          }),
+        );
+
+        Vue.nextTick()
+          .then(() => {
+            expect(vmDatesUndefined.milestoneDatesHuman).toBe('');
+          })
+          .then(done)
+          .catch(done.fail);
+
+        vmDatesUndefined.$destroy();
+      });
+    });
+  });
+
+  describe('template', () => {
+    it('renders component root element with class `issue-milestone-details`', () => {
+      expect(vm.$el.classList.contains('issue-milestone-details')).toBe(true);
+    });
+
+    it('renders milestone icon', () => {
+      expect(vm.$el.querySelector('svg use').getAttribute('xlink:href')).toContain('clock');
+    });
+
+    it('renders milestone title', () => {
+      expect(vm.$el.querySelector('.milestone-title').innerText.trim()).toBe(mockMilestone.title);
+    });
+
+    it('renders milestone tooltip', () => {
+      expect(vm.$el.querySelector('.js-item-milestone').innerText.trim()).toContain(
+        mockMilestone.title,
+      );
+    });
+  });
+});