FEATURE: User page refactor

Re-organise user page so it is easier to find interesting info
split it into tabs

- Introduce notifications and messages tabs
- Stop couting stuff for the user page to speed up rendering
- Suppress more information when viewing your own profile

app/assets/javascripts/discourse/controllers/user-private-messages.js.es6

@@ -0,0 +1,25 @@
+import computed from 'ember-addons/ember-computed-decorators';
+
+export default Ember.Controller.extend({
+
+  pmView: false,
+
+  privateMessagesActive: Em.computed.equal('pmView', 'index'),
+  privateMessagesMineActive: Em.computed.equal('pmView', 'mine'),
+  privateMessagesUnreadActive: Em.computed.equal('pmView', 'unread'),
+  isGroup: Em.computed.equal('pmView', 'groups'),
+
+
+  @computed('model.groups', 'groupFilter', 'pmView')
+  groupPMStats(groups, filter, pmView) {
+    if (groups) {
+      return groups.filter(group => group.has_messages)
+                   .map(g => {
+                        return {
+                          name: g.name,
+                          active: (g.name === filter && pmView === "groups")
+                        };
+                   });
+    }
+  }
+});

app/assets/javascripts/discourse/controllers/user.js.es6

@@ -6,7 +6,6 @@ import User from 'discourse/models/user';
 
 export default Ember.Controller.extend(CanCheckEmails, {
   indexStream: false,
-  pmView: false,
   userActionType: null,
   needs: ['user-notifications', 'user-topics-list'],
 
@@ -28,11 +27,14 @@ export default Ember.Controller.extend(CanCheckEmails, {
   },
 
   @computed('viewingSelf', 'currentUser.admin')
-  canSeePrivateMessages(viewingSelf, isAdmin) {
+  showPrivateMessages(viewingSelf, isAdmin) {
     return this.siteSettings.enable_private_messages && (viewingSelf || isAdmin);
   },
 
-  canSeeNotificationHistory: Em.computed.alias('canSeePrivateMessages'),
+  @computed('viewingSelf', 'currentUser.admin')
+  canSeeNotificationHistory(viewingSelf, isAdmin) {
+    return viewingSelf || isAdmin;
+  },
 
   @computed("content.badge_count")
   showBadges(badgeCount) {
@@ -45,6 +47,12 @@ export default Ember.Controller.extend(CanCheckEmails, {
            (userActionType === UserAction.TYPES.messages_received);
   },
 
+  @computed("indexStream", "userActionType")
+  showActionTypeSummary(indexStream,userActionType, showPMs) {
+    return (indexStream || userActionType) && !showPMs;
+  },
+
+
   @computed()
   canInviteToForum() {
     return User.currentProp('can_invite_to_forum');
@@ -64,23 +72,6 @@ export default Ember.Controller.extend(CanCheckEmails, {
     }
   },
 
-  privateMessagesActive: Em.computed.equal('pmView', 'index'),
-  privateMessagesMineActive: Em.computed.equal('pmView', 'mine'),
-  privateMessagesUnreadActive: Em.computed.equal('pmView', 'unread'),
-
-  @computed('model.private_messages_stats.groups', 'groupFilter', 'pmView')
-  groupPMStats(stats,filter,pmView) {
-    if (stats) {
-      return stats.map(g => {
-        return {
-          name: g.name,
-          count: g.count,
-          active: (g.name === filter && pmView === 'groups')
-        };
-      });
-    }
-  },
-
   actions: {
     expandProfile() {
       this.set('forceExpand', true);