Merge branch 'ide-merge-request-info' into 'master'

Added merge request info to Web IDE sidebar

Closes #45187

See merge request gitlab-org/gitlab-ce!19860

18 files changed, 294 insertions, 68 deletions

diff --git a/app/assets/javascripts/api.js b/app/assets/javascripts/api.js
index 0ca0e8f35dd..422becb7db8 100644
--- a/app/assets/javascripts/api.js
+++ b/app/assets/javascripts/api.js
@@ -100,12 +100,12 @@ const Api = {
   },
 
   // Return Merge Request for project
-  mergeRequest(projectPath, mergeRequestId) {
+  mergeRequest(projectPath, mergeRequestId, params = {}) {
     const url = Api.buildUrl(Api.mergeRequestPath)
       .replace(':id', encodeURIComponent(projectPath))
       .replace(':mrid', mergeRequestId);
 
-    return axios.get(url);
+    return axios.get(url, { params });
   },
 
   mergeRequests(params = {}) {
diff --git a/app/assets/javascripts/ide/components/merge_requests/info.vue b/app/assets/javascripts/ide/components/merge_requests/info.vue
new file mode 100644
index 00000000000..199d2e74971
--- /dev/null
+++ b/app/assets/javascripts/ide/components/merge_requests/info.vue
@@ -0,0 +1,43 @@
+<script>
+import { mapGetters } from 'vuex';
+import Icon from '../../../vue_shared/components/icon.vue';
+import TitleComponent from '../../../issue_show/components/title.vue';
+import DescriptionComponent from '../../../issue_show/components/description.vue';
+
+export default {
+  components: {
+    Icon,
+    TitleComponent,
+    DescriptionComponent,
+  },
+  computed: {
+    ...mapGetters(['currentMergeRequest']),
+  },
+};
+</script>
+
+<template>
+  <div class="ide-merge-request-info h-100 d-flex flex-column">
+    <div class="detail-page-header">
+      <icon
+        name="git-merge"
+        class="align-self-center append-right-8"
+      />
+      <strong>
+        !{{ currentMergeRequest.iid }}
+      </strong>
+    </div>
+    <div class="issuable-details">
+      <title-component
+        :issuable-ref="currentMergeRequest.iid"
+        :title-html="currentMergeRequest.title_html"
+        :title-text="currentMergeRequest.title"
+      />
+      <description-component
+        :description-html="currentMergeRequest.description_html"
+        :description-text="currentMergeRequest.description"
+        :can-update="false"
+      />
+    </div>
+  </div>
+</template>
diff --git a/app/assets/javascripts/ide/components/panes/right.vue b/app/assets/javascripts/ide/components/panes/right.vue
index 5cd2c9ce188..e4a5fcc67c4 100644
--- a/app/assets/javascripts/ide/components/panes/right.vue
+++ b/app/assets/javascripts/ide/components/panes/right.vue
@@ -5,6 +5,7 @@ import Icon from '../../../vue_shared/components/icon.vue';
 import { rightSidebarViews } from '../../constants';
 import PipelinesList from '../pipelines/list.vue';
 import JobsDetail from '../jobs/detail.vue';
+import MergeRequestInfo from '../merge_requests/info.vue';
 import ResizablePanel from '../resizable_panel.vue';
 
 export default {
@@ -16,9 +17,10 @@ export default {
     PipelinesList,
     JobsDetail,
     ResizablePanel,
+    MergeRequestInfo,
   },
   computed: {
-    ...mapState(['rightPane']),
+    ...mapState(['rightPane', 'currentMergeRequestId']),
     pipelinesActive() {
       return (
         this.rightPane === rightSidebarViews.pipelines ||
@@ -54,10 +56,33 @@ export default {
     </resizable-panel>
     <nav class="ide-activity-bar">
       <ul class="list-unstyled">
+        <li
+          v-if="currentMergeRequestId"
+        >
+          <button
+            v-tooltip
+            :title="__('Merge Request')"
+            :aria-label="__('Merge Request')"
+            :class="{
+              active: rightPane === $options.rightSidebarViews.mergeRequestInfo
+            }"
+            data-container="body"
+            data-placement="left"
+            class="ide-sidebar-link is-right"
+            type="button"
+            @click="clickTab($event, $options.rightSidebarViews.mergeRequestInfo)"
+          >
+            <icon
+              :size="16"
+              name="text-description"
+            />
+          </button>
+        </li>
         <li>
           <button
             v-tooltip
             :title="__('Pipelines')"
+            :aria-label="__('Pipelines')"
             :class="{
               active: pipelinesActive
             }"
diff --git a/app/assets/javascripts/ide/constants.js b/app/assets/javascripts/ide/constants.js
index 12e0c3aeef0..45d36f6f42c 100644
--- a/app/assets/javascripts/ide/constants.js
+++ b/app/assets/javascripts/ide/constants.js
@@ -31,6 +31,7 @@ export const diffModes = {
 export const rightSidebarViews = {
   pipelines: 'pipelines-list',
   jobsDetail: 'jobs-detail',
+  mergeRequestInfo: 'merge-request-info',
 };
 
 export const stageKeys = {
diff --git a/app/assets/javascripts/ide/services/index.js b/app/assets/javascripts/ide/services/index.js
index 3e939f0c1a3..49a481f25d5 100644
--- a/app/assets/javascripts/ide/services/index.js
+++ b/app/assets/javascripts/ide/services/index.js
@@ -40,8 +40,8 @@ export default {
   getProjectData(namespace, project) {
     return Api.project(`${namespace}/${project}`);
   },
-  getProjectMergeRequestData(projectId, mergeRequestId) {
-    return Api.mergeRequest(projectId, mergeRequestId);
+  getProjectMergeRequestData(projectId, mergeRequestId, params = {}) {
+    return Api.mergeRequest(projectId, mergeRequestId, params);
   },
   getProjectMergeRequestChanges(projectId, mergeRequestId) {
     return Api.mergeRequestChanges(projectId, mergeRequestId);
diff --git a/app/assets/javascripts/ide/stores/actions/merge_request.js b/app/assets/javascripts/ide/stores/actions/merge_request.js
index 4aa151abcb7..6bdf9dc3028 100644
--- a/app/assets/javascripts/ide/stores/actions/merge_request.js
+++ b/app/assets/javascripts/ide/stores/actions/merge_request.js
@@ -9,7 +9,7 @@ export const getMergeRequestData = (
   new Promise((resolve, reject) => {
     if (!state.projects[projectId].mergeRequests[mergeRequestId] || force) {
       service
-        .getProjectMergeRequestData(projectId, mergeRequestId)
+        .getProjectMergeRequestData(projectId, mergeRequestId, { render_html: true })
         .then(({ data }) => {
           commit(types.SET_MERGE_REQUEST, {
             projectPath: projectId,
diff --git a/app/assets/javascripts/issue_show/components/title.vue b/app/assets/javascripts/issue_show/components/title.vue
index 12101c0daa5..b5e8e0ea44b 100644
--- a/app/assets/javascripts/issue_show/components/title.vue
+++ b/app/assets/javascripts/issue_show/components/title.vue
@@ -1,67 +1,67 @@
 <script>
-  import animateMixin from '../mixins/animate';
-  import eventHub from '../event_hub';
-  import tooltip from '../../vue_shared/directives/tooltip';
-  import { spriteIcon } from '../../lib/utils/common_utils';
+import animateMixin from '../mixins/animate';
+import eventHub from '../event_hub';
+import tooltip from '../../vue_shared/directives/tooltip';
+import { spriteIcon } from '../../lib/utils/common_utils';
 
-  export default {
-    directives: {
-      tooltip,
+export default {
+  directives: {
+    tooltip,
+  },
+  mixins: [animateMixin],
+  props: {
+    issuableRef: {
+      type: [String, Number],
+      required: true,
     },
-    mixins: [animateMixin],
-    props: {
-      issuableRef: {
-        type: String,
-        required: true,
-      },
-      canUpdate: {
-        required: false,
-        type: Boolean,
-        default: false,
-      },
-      titleHtml: {
-        type: String,
-        required: true,
-      },
-      titleText: {
-        type: String,
-        required: true,
-      },
-      showInlineEditButton: {
-        type: Boolean,
-        required: false,
-        default: false,
-      },
+    canUpdate: {
+      required: false,
+      type: Boolean,
+      default: false,
     },
-    data() {
-      return {
-        preAnimation: false,
-        pulseAnimation: false,
-        titleEl: document.querySelector('title'),
-      };
+    titleHtml: {
+      type: String,
+      required: true,
     },
-    computed: {
-      pencilIcon() {
-        return spriteIcon('pencil', 'link-highlight');
-      },
+    titleText: {
+      type: String,
+      required: true,
     },
-    watch: {
-      titleHtml() {
-        this.setPageTitle();
-        this.animateChange();
-      },
+    showInlineEditButton: {
+      type: Boolean,
+      required: false,
+      default: false,
     },
-    methods: {
-      setPageTitle() {
-        const currentPageTitleScope = this.titleEl.innerText.split('·');
-        currentPageTitleScope[0] = `${this.titleText} (${this.issuableRef}) `;
-        this.titleEl.textContent = currentPageTitleScope.join('·');
-      },
-      edit() {
-        eventHub.$emit('open.form');
-      },
+  },
+  data() {
+    return {
+      preAnimation: false,
+      pulseAnimation: false,
+      titleEl: document.querySelector('title'),
+    };
+  },
+  computed: {
+    pencilIcon() {
+      return spriteIcon('pencil', 'link-highlight');
     },
-  };
+  },
+  watch: {
+    titleHtml() {
+      this.setPageTitle();
+      this.animateChange();
+    },
+  },
+  methods: {
+    setPageTitle() {
+      const currentPageTitleScope = this.titleEl.innerText.split('·');
+      currentPageTitleScope[0] = `${this.titleText} (${this.issuableRef}) `;
+      this.titleEl.textContent = currentPageTitleScope.join('·');
+    },
+    edit() {
+      eventHub.$emit('open.form');
+    },
+  },
+};
 </script>
 
 <template>
diff --git a/app/assets/stylesheets/pages/repo.scss b/app/assets/stylesheets/pages/repo.scss
index 3c24aaa65e8..6e2b285285a 100644
--- a/app/assets/stylesheets/pages/repo.scss
+++ b/app/assets/stylesheets/pages/repo.scss
@@ -1329,3 +1329,14 @@
   line-height: 16px;
   color: $gl-text-color-secondary;
 }
+
+.ide-merge-request-info {
+  .detail-page-header {
+    line-height: initial;
+    min-height: 38px;
+  }
+
+  .issuable-details {
+    overflow: auto;
+  }
+}
diff --git a/changelogs/unreleased/ide-merge-request-info.yml b/changelogs/unreleased/ide-merge-request-info.yml
new file mode 100644
index 00000000000..104f48ae309
--- /dev/null
+++ b/changelogs/unreleased/ide-merge-request-info.yml
@@ -0,0 +1,5 @@
+---
+title: Display merge request title & description in Web IDE
+merge_request:
+author:
+type: added
diff --git a/doc/api/merge_requests.md b/doc/api/merge_requests.md
index 2057ed3588a..34c2dd7b34d 100644
--- a/doc/api/merge_requests.md
+++ b/doc/api/merge_requests.md
@@ -358,6 +358,7 @@ Parameters:
 
 - `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `merge_request_iid` (required) - The internal ID of the merge request
+- `render_html` (optional) - If `true` response includes rendered HTML for title and description
 
 ```json
 {
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 3a6e707fd5b..40df1e79bc7 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -532,6 +532,12 @@ module API
     end
 
     class MergeRequestBasic < ProjectEntity
+      expose :title_html, if: -> (_, options) { options[:render_html] } do |entity|
+        MarkupHelper.markdown_field(entity, :title)
+      end
+      expose :description_html, if: -> (_, options) { options[:render_html] } do |entity|
+        MarkupHelper.markdown_field(entity, :description)
+      end
       expose :target_branch, :source_branch
       expose :upvotes do |merge_request, options|
         if options[:issuable_metadata]
diff --git a/lib/api/merge_requests.rb b/lib/api/merge_requests.rb
index 0f46bc4c98e..2621c9f8fc2 100644
--- a/lib/api/merge_requests.rb
+++ b/lib/api/merge_requests.rb
@@ -232,6 +232,7 @@ module API
 
       params do
         requires :merge_request_iid, type: Integer, desc: 'The IID of a merge request'
+        optional :render_html, type: Boolean, desc: 'Returns the description and title rendered HTML'
       end
       desc 'Get a single merge request' do
         success Entities::MergeRequest
@@ -239,7 +240,7 @@ module API
       get ':id/merge_requests/:merge_request_iid' do
         merge_request = find_merge_request_with_access(params[:merge_request_iid])
 
-        present merge_request, with: Entities::MergeRequest, current_user: current_user, project: user_project
+        present merge_request, with: Entities::MergeRequest, current_user: current_user, project: user_project, render_html: params[:render_html]
       end
 
       desc 'Get the participants of a merge request' do
diff --git a/package.json b/package.json
index 6980416503e..1fce5d7623d 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "webpack-prod": "NODE_ENV=production webpack --config config/webpack.config.js"
   },
   "dependencies": {
-    "@gitlab-org/gitlab-svgs": "^1.24.0",
+    "@gitlab-org/gitlab-svgs": "^1.25.0",
     "autosize": "^4.0.0",
     "axios": "^0.17.1",
     "babel-core": "^6.26.3",
diff --git a/spec/javascripts/ide/components/merge_requests/info_spec.js b/spec/javascripts/ide/components/merge_requests/info_spec.js
new file mode 100644
index 00000000000..98a29e5128b
--- /dev/null
+++ b/spec/javascripts/ide/components/merge_requests/info_spec.js
@@ -0,0 +1,51 @@
+import Vue from 'vue';
+import '~/behaviors/markdown/render_gfm';
+import { createStore } from '~/ide/stores';
+import Info from '~/ide/components/merge_requests/info.vue';
+import { createComponentWithStore } from '../../../helpers/vue_mount_component_helper';
+
+describe('IDE merge request details', () => {
+  let Component;
+  let vm;
+
+  beforeAll(() => {
+    Component = Vue.extend(Info);
+  });
+
+  beforeEach(() => {
+    const store = createStore();
+    store.state.currentProjectId = 'gitlab-ce';
+    store.state.currentMergeRequestId = 1;
+    store.state.projects['gitlab-ce'] = {
+      mergeRequests: {
+        1: {
+          iid: 1,
+          title: 'Testing',
+          title_html: '<span class="title-html">Testing</span>',
+          description: 'Description',
+          description_html: '<p class="description-html">Description HTML</p>',
+        },
+      },
+    };
+
+    vm = createComponentWithStore(Component, store).$mount();
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  it('renders merge request IID', () => {
+    expect(vm.$el.querySelector('.detail-page-header').textContent).toContain('!1');
+  });
+
+  it('renders title as HTML', () => {
+    expect(vm.$el.querySelector('.title-html')).not.toBe(null);
+    expect(vm.$el.querySelector('.title').textContent).toContain('Testing');
+  });
+
+  it('renders description as HTML', () => {
+    expect(vm.$el.querySelector('.description-html')).not.toBe(null);
+    expect(vm.$el.querySelector('.description').textContent).toContain('Description HTML');
+  });
+});
diff --git a/spec/javascripts/ide/components/panes/right_spec.js b/spec/javascripts/ide/components/panes/right_spec.js
new file mode 100644
index 00000000000..99879fb0930
--- /dev/null
+++ b/spec/javascripts/ide/components/panes/right_spec.js
@@ -0,0 +1,72 @@
+import Vue from 'vue';
+import '~/behaviors/markdown/render_gfm';
+import { createStore } from '~/ide/stores';
+import RightPane from '~/ide/components/panes/right.vue';
+import { rightSidebarViews } from '~/ide/constants';
+import { createComponentWithStore } from '../../../helpers/vue_mount_component_helper';
+
+describe('IDE right pane', () => {
+  let Component;
+  let vm;
+
+  beforeAll(() => {
+    Component = Vue.extend(RightPane);
+  });
+
+  beforeEach(() => {
+    const store = createStore();
+
+    vm = createComponentWithStore(Component, store).$mount();
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  describe('active', () => {
+    it('renders merge request button as active', done => {
+      vm.$store.state.rightPane = rightSidebarViews.mergeRequestInfo;
+      vm.$store.state.currentMergeRequestId = '123';
+      vm.$store.state.currentProjectId = 'gitlab-ce';
+      vm.$store.state.currentMergeRequestId = 1;
+      vm.$store.state.projects['gitlab-ce'] = {
+        mergeRequests: {
+          1: {
+            iid: 1,
+            title: 'Testing',
+            title_html: '<span class="title-html">Testing</span>',
+            description: 'Description',
+            description_html: '<p class="description-html">Description HTML</p>',
+          },
+        },
+      };
+
+      vm.$nextTick(() => {
+        expect(vm.$el.querySelector('.ide-sidebar-link.active')).not.toBe(null);
+        expect(
+          vm.$el.querySelector('.ide-sidebar-link.active').getAttribute('data-original-title'),
+        ).toBe('Merge Request');
+
+        done();
+      });
+    });
+  });
+
+  describe('click', () => {
+    beforeEach(() => {
+      spyOn(vm, 'setRightPane');
+    });
+
+    it('sets view to merge request', done => {
+      vm.$store.state.currentMergeRequestId = '123';
+
+      vm.$nextTick(() => {
+        vm.$el.querySelector('.ide-sidebar-link').click();
+
+        expect(vm.setRightPane).toHaveBeenCalledWith(rightSidebarViews.mergeRequestInfo);
+
+        done();
+      });
+    });
+  });
+});
diff --git a/spec/javascripts/ide/stores/actions/merge_request_spec.js b/spec/javascripts/ide/stores/actions/merge_request_spec.js
index c99ccc70c6a..90c28c769f7 100644
--- a/spec/javascripts/ide/stores/actions/merge_request_spec.js
+++ b/spec/javascripts/ide/stores/actions/merge_request_spec.js
@@ -39,7 +39,9 @@ describe('IDE store merge request actions', () => {
         store
           .dispatch('getMergeRequestData', { projectId: 'abcproject', mergeRequestId: 1 })
           .then(() => {
-            expect(service.getProjectMergeRequestData).toHaveBeenCalledWith('abcproject', 1);
+            expect(service.getProjectMergeRequestData).toHaveBeenCalledWith('abcproject', 1, {
+              render_html: true,
+            });
 
             done();
           })
diff --git a/spec/requests/api/merge_requests_spec.rb b/spec/requests/api/merge_requests_spec.rb
index eba39bb6ccc..1716d182782 100644
--- a/spec/requests/api/merge_requests_spec.rb
+++ b/spec/requests/api/merge_requests_spec.rb
@@ -306,6 +306,14 @@ describe API::MergeRequests do
       expect(json_response['changes_count']).to eq(merge_request.merge_request_diff.real_size)
     end
 
+    it 'exposes description and title html when render_html is true' do
+      get api("/projects/#{project.id}/merge_requests/#{merge_request.iid}", user), render_html: true
+
+      expect(response).to have_gitlab_http_status(200)
+
+      expect(json_response).to include('title_html', 'description_html')
+    end
+
     context 'merge_request_metrics' do
       before do
         merge_request.metrics.update!(merged_by: user,
diff --git a/yarn.lock b/yarn.lock
index 30d49ad276a..5df2a9a2eb8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -78,9 +78,9 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@gitlab-org/gitlab-svgs@^1.24.0":
-  version "1.24.0"
-  resolved "https://registry.yarnpkg.com/@gitlab-org/gitlab-svgs/-/gitlab-svgs-1.24.0.tgz#3b2b58c5a1d58ce784f486d648bd87cbbb06cedc"
+"@gitlab-org/gitlab-svgs@^1.25.0":
+  version "1.25.0"
+  resolved "https://registry.yarnpkg.com/@gitlab-org/gitlab-svgs/-/gitlab-svgs-1.25.0.tgz#1a82b1be43e1a46e6b0767ef46f26f5fd6bbd101"
 
 "@sindresorhus/is@^0.7.0":
   version "0.7.0"