Backport changes from refactor sidebar weight block Vue and move to Issue Boards

See https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/3566

4 files changed, 132 insertions, 113 deletions

diff --git a/app/assets/javascripts/sidebar/mount_sidebar.js b/app/assets/javascripts/sidebar/mount_sidebar.js
new file mode 100644
index 00000000000..4032f156b15
--- /dev/null
+++ b/app/assets/javascripts/sidebar/mount_sidebar.js
@@ -0,0 +1,104 @@
+import Vue from 'vue';
+import SidebarTimeTracking from './components/time_tracking/sidebar_time_tracking';
+import SidebarAssignees from './components/assignees/sidebar_assignees';
+import ConfidentialIssueSidebar from './components/confidential/confidential_issue_sidebar.vue';
+import SidebarMoveIssue from './lib/sidebar_move_issue';
+import LockIssueSidebar from './components/lock/lock_issue_sidebar.vue';
+import sidebarParticipants from './components/participants/sidebar_participants.vue';
+import sidebarSubscriptions from './components/subscriptions/sidebar_subscriptions.vue';
+import Translate from '../vue_shared/translate';
+
+Vue.use(Translate);
+
+function mountConfidentialComponent(mediator) {
+  const el = document.getElementById('js-confidential-entry-point');
+
+  if (!el) return;
+
+  const dataNode = document.getElementById('js-confidential-issue-data');
+  const initialData = JSON.parse(dataNode.innerHTML);
+
+  const ConfidentialComp = Vue.extend(ConfidentialIssueSidebar);
+
+  new ConfidentialComp({
+    propsData: {
+      isConfidential: initialData.is_confidential,
+      isEditable: initialData.is_editable,
+      service: mediator.service,
+    },
+  }).$mount(el);
+}
+
+function mountLockComponent(mediator) {
+  const el = document.getElementById('js-lock-entry-point');
+
+  if (!el) return;
+
+  const dataNode = document.getElementById('js-lock-issue-data');
+  const initialData = JSON.parse(dataNode.innerHTML);
+
+  const LockComp = Vue.extend(LockIssueSidebar);
+
+  new LockComp({
+    propsData: {
+      isLocked: initialData.is_locked,
+      isEditable: initialData.is_editable,
+      mediator,
+      issuableType: gl.utils.isInIssuePage() ? 'issue' : 'merge_request',
+    },
+  }).$mount(el);
+}
+
+function mountParticipantsComponent() {
+  const el = document.querySelector('.js-sidebar-participants-entry-point');
+
+  if (!el) return;
+
+  // eslint-disable-next-line no-new
+  new Vue({
+    el,
+    components: {
+      sidebarParticipants,
+    },
+    render: createElement => createElement('sidebar-participants', {}),
+  });
+}
+
+function mountSubscriptionsComponent() {
+  const el = document.querySelector('.js-sidebar-subscriptions-entry-point');
+
+  if (!el) return;
+
+  // eslint-disable-next-line no-new
+  new Vue({
+    el,
+    components: {
+      sidebarSubscriptions,
+    },
+    render: createElement => createElement('sidebar-subscriptions', {}),
+  });
+}
+
+function mount(mediator) {
+  const sidebarAssigneesEl = document.getElementById('js-vue-sidebar-assignees');
+  // Only create the sidebarAssignees vue app if it is found in the DOM
+  // We currently do not use sidebarAssignees for the MR page
+  if (sidebarAssigneesEl) {
+    new Vue(SidebarAssignees).$mount(sidebarAssigneesEl);
+  }
+
+  mountConfidentialComponent(mediator);
+  mountLockComponent(mediator);
+  mountParticipantsComponent();
+  mountSubscriptionsComponent();
+
+  new SidebarMoveIssue(
+    mediator,
+    $('.js-move-issue'),
+    $('.js-move-issue-confirmation-button'),
+  ).init();
+
+  new Vue(SidebarTimeTracking).$mount('#issuable-time-tracker');
+}
+
+export default mount;
diff --git a/app/assets/javascripts/sidebar/sidebar_bundle.js b/app/assets/javascripts/sidebar/sidebar_bundle.js
index 2650bb725d4..f78287e504b 100644
--- a/app/assets/javascripts/sidebar/sidebar_bundle.js
+++ b/app/assets/javascripts/sidebar/sidebar_bundle.js
@@ -1,110 +1,12 @@
-import Vue from 'vue';
-import SidebarTimeTracking from './components/time_tracking/sidebar_time_tracking';
-import SidebarAssignees from './components/assignees/sidebar_assignees';
-import ConfidentialIssueSidebar from './components/confidential/confidential_issue_sidebar.vue';
-import SidebarMoveIssue from './lib/sidebar_move_issue';
-import LockIssueSidebar from './components/lock/lock_issue_sidebar.vue';
-import sidebarParticipants from './components/participants/sidebar_participants.vue';
-import sidebarSubscriptions from './components/subscriptions/sidebar_subscriptions.vue';
-import Translate from '../vue_shared/translate';
-
 import Mediator from './sidebar_mediator';
-
-Vue.use(Translate);
-
-function mountConfidentialComponent(mediator) {
-  const el = document.getElementById('js-confidential-entry-point');
-
-  if (!el) return;
-
-  const dataNode = document.getElementById('js-confidential-issue-data');
-  const initialData = JSON.parse(dataNode.innerHTML);
-
-  const ConfidentialComp = Vue.extend(ConfidentialIssueSidebar);
-
-  new ConfidentialComp({
-    propsData: {
-      isConfidential: initialData.is_confidential,
-      isEditable: initialData.is_editable,
-      service: mediator.service,
-    },
-  }).$mount(el);
-}
-
-function mountLockComponent(mediator) {
-  const el = document.getElementById('js-lock-entry-point');
-
-  if (!el) return;
-
-  const dataNode = document.getElementById('js-lock-issue-data');
-  const initialData = JSON.parse(dataNode.innerHTML);
-
-  const LockComp = Vue.extend(LockIssueSidebar);
-
-  new LockComp({
-    propsData: {
-      isLocked: initialData.is_locked,
-      isEditable: initialData.is_editable,
-      mediator,
-      issuableType: gl.utils.isInIssuePage() ? 'issue' : 'merge_request',
-    },
-  }).$mount(el);
-}
-
-function mountParticipantsComponent() {
-  const el = document.querySelector('.js-sidebar-participants-entry-point');
-
-  if (!el) return;
-
-  // eslint-disable-next-line no-new
-  new Vue({
-    el,
-    components: {
-      sidebarParticipants,
-    },
-    render: createElement => createElement('sidebar-participants', {}),
-  });
-}
-
-function mountSubscriptionsComponent() {
-  const el = document.querySelector('.js-sidebar-subscriptions-entry-point');
-
-  if (!el) return;
-
-  // eslint-disable-next-line no-new
-  new Vue({
-    el,
-    components: {
-      sidebarSubscriptions,
-    },
-    render: createElement => createElement('sidebar-subscriptions', {}),
-  });
-}
+import mountSidebar from './mount_sidebar';
 
 function domContentLoaded() {
   const sidebarOptions = JSON.parse(document.querySelector('.js-sidebar-options').innerHTML);
   const mediator = new Mediator(sidebarOptions);
   mediator.fetch();
 
-  const sidebarAssigneesEl = document.getElementById('js-vue-sidebar-assignees');
-  // Only create the sidebarAssignees vue app if it is found in the DOM
-  // We currently do not use sidebarAssignees for the MR page
-  if (sidebarAssigneesEl) {
-    new Vue(SidebarAssignees).$mount(sidebarAssigneesEl);
-  }
-
-  mountConfidentialComponent(mediator);
-  mountLockComponent(mediator);
-  mountParticipantsComponent();
-  mountSubscriptionsComponent();
-
-  new SidebarMoveIssue(
-    mediator,
-    $('.js-move-issue'),
-    $('.js-move-issue-confirmation-button'),
-  ).init();
-
-  new Vue(SidebarTimeTracking).$mount('#issuable-time-tracker');
+  mountSidebar(mediator);
 }
 
 document.addEventListener('DOMContentLoaded', domContentLoaded);
diff --git a/app/assets/javascripts/sidebar/sidebar_mediator.js b/app/assets/javascripts/sidebar/sidebar_mediator.js
index 2bda5a47791..d4c07a188b3 100644
--- a/app/assets/javascripts/sidebar/sidebar_mediator.js
+++ b/app/assets/javascripts/sidebar/sidebar_mediator.js
@@ -5,19 +5,23 @@ import Store from './stores/sidebar_store';
 export default class SidebarMediator {
   constructor(options) {
     if (!SidebarMediator.singleton) {
-      this.store = new Store(options);
-      this.service = new Service({
-        endpoint: options.endpoint,
-        toggleSubscriptionEndpoint: options.toggleSubscriptionEndpoint,
-        moveIssueEndpoint: options.moveIssueEndpoint,
-        projectsAutocompleteEndpoint: options.projectsAutocompleteEndpoint,
-      });
-      SidebarMediator.singleton = this;
+      this.initSingleton(options);
     }
 
     return SidebarMediator.singleton;
   }
 
+  initSingleton(options) {
+    this.store = new Store(options);
+    this.service = new Service({
+      endpoint: options.endpoint,
+      toggleSubscriptionEndpoint: options.toggleSubscriptionEndpoint,
+      moveIssueEndpoint: options.moveIssueEndpoint,
+      projectsAutocompleteEndpoint: options.projectsAutocompleteEndpoint,
+    });
+    SidebarMediator.singleton = this;
+  }
+
   assignYourself() {
     this.store.addAssignee(this.store.currentUser);
   }
@@ -35,17 +39,21 @@ export default class SidebarMediator {
   }
 
   fetch() {
-    this.service.get()
+    return this.service.get()
       .then(response => response.json())
       .then((data) => {
-        this.store.setAssigneeData(data);
-        this.store.setTimeTrackingData(data);
-        this.store.setParticipantsData(data);
-        this.store.setSubscriptionsData(data);
+        this.processFetchedData(data);
       })
       .catch(() => new Flash('Error occurred when fetching sidebar data'));
   }
 
+  processFetchedData(data) {
+    this.store.setAssigneeData(data);
+    this.store.setTimeTrackingData(data);
+    this.store.setParticipantsData(data);
+    this.store.setSubscriptionsData(data);
+  }
+
   toggleSubscription() {
     this.store.setFetchingState('subscriptions', true);
     return this.service.toggleSubscription()
diff --git a/app/assets/javascripts/sidebar/stores/sidebar_store.js b/app/assets/javascripts/sidebar/stores/sidebar_store.js
index 3150221b685..73eb25e2333 100644
--- a/app/assets/javascripts/sidebar/stores/sidebar_store.js
+++ b/app/assets/javascripts/sidebar/stores/sidebar_store.js
@@ -15,6 +15,7 @@ export default class SidebarStore {
         participants: true,
         subscriptions: true,
       };
+      this.isLoading = {};
       this.autocompleteProjects = [];
       this.moveToProjectId = 0;
       this.isLockDialogOpen = false;
@@ -55,6 +56,10 @@ export default class SidebarStore {
     this.isFetching[key] = value;
   }
 
+  setLoadingState(key, value) {
+    this.isLoading[key] = value;
+  }
+
   addAssignee(assignee) {
     if (!this.findAssignee(assignee)) {
       this.assignees.push(assignee);