use Subs Manager for some template-level subscriptions to fix post page content flash issue

packages/telescope-comments/lib/routes.js

@@ -5,9 +5,9 @@ Comments.controllers = {};
 Comments.controllers.page = RouteController.extend({
   waitOn: function() {
     return [
-      coreSubscriptions.subscribe('singleCommentAndChildren', this.params._id),
+      Telescope.subsManager.subscribe('singleCommentAndChildren', this.params._id),
-      coreSubscriptions.subscribe('commentUsers', this.params._id),
+      Telescope.subsManager.subscribe('commentUsers', this.params._id),
-      coreSubscriptions.subscribe('commentPost', this.params._id)
+      Telescope.subsManager.subscribe('commentPost', this.params._id)
     ];
   },
   data: function() {

packages/telescope-core/lib/router/config.js

@@ -31,4 +31,11 @@ if(Meteor.isServer) {
   });
 }
 
-Telescope.controllers = {};
+Telescope.controllers = {};
+
+Telescope.subsManager = new SubsManager({
+  // cache recent 50 subscriptions
+  cacheLimit: 50,
+  // expire any subscription after 30 minutes
+  expireIn: 30
+});

packages/telescope-core/lib/router/filters.js

@@ -165,12 +165,6 @@ Router._filters = {
 };
 
 var filters = Router._filters;
-coreSubscriptions = new SubsManager({
-  // cache recent 50 subscriptions
-  cacheLimit: 50,
-  // expire any subscription after 30 minutes
-  expireIn: 30
-});
 
 Meteor.startup( function (){
 

packages/telescope-core/package.js

@@ -109,7 +109,4 @@ Package.onUse(function(api) {
     "i18n/zh-CN.i18n.json"
   ], ["client", "server"]);
 
-  api.export([
-    'coreSubscriptions'
-  ]);
 });

packages/telescope-invites/lib/client/templates/user_invites.js

@@ -6,7 +6,7 @@ Template.user_invites.created = function () {
   instance.invites = new ReactiveVar({});
 
   Meteor.autorun(function () {
-    coreSubscriptions.subscribe('invites', user._id);
+    Telescope.subsManager.subscribe('invites', user._id);
     var invites = Invites.find({invitingUserId: user._id});
     instance.invites.set(invites);
   });

packages/telescope-lib/package.js

@@ -34,7 +34,7 @@ Package.onUse(function (api) {
     'matb33:collection-hooks@0.7.11',
     'chuangbo:marked@0.3.5',
     'meteorhacks:fast-render@2.3.2',
-    'meteorhacks:subs-manager@1.3.0',
+    'meteorhacks:subs-manager@1.4.0',
     'percolatestudio:synced-cron@1.1.0',
     'useraccounts:unstyled@1.8.1',
     'manuelschoebel:ms-seo@0.4.1',

packages/telescope-posts/lib/client/templates/posts_list/posts_list_controller.js

@@ -16,6 +16,10 @@ Template.posts_list_controller.onCreated(function () {
   instance.terms = new ReactiveVar(instance.data.terms);
   instance.postsLimit = new ReactiveVar(Settings.get('postsPerPage', 10));
 
+  // if caching is set to true, use Subs Manager. Else use template.subscribe. Default to false
+  var enableCache = (typeof instance.data.terms.enableCache === "undefined") ? false : instance.data.terms.enableCache;
+  var subscriber = enableCache ? Telescope.subsManager : instance;
+
   // 2. Autorun
 
   // Autorun 1: when terms change, reset the limit
@@ -38,10 +42,10 @@ Template.posts_list_controller.onCreated(function () {
     var subscriptionTerms = _.extend(_.clone(terms), {limit: postsLimit}); // extend terms with limit
 
     // use this new object to subscribe
-    var postsSubscription = instance.subscribe('postsList', subscriptionTerms);
+    var postsSubscription = subscriber.subscribe('postsList', subscriptionTerms);
-    var usersSubscription = instance.subscribe('postsListUsers', subscriptionTerms);
+    var usersSubscription = subscriber.subscribe('postsListUsers', subscriptionTerms);
 
-    var subscriptionsReady = instance.subscriptionsReady(); // ⚡ reactive ⚡
+    var subscriptionsReady = postsSubscription.ready() && usersSubscription.ready(); // ⚡ reactive ⚡
 
     // console.log('// ------ autorun running ------ //');
     // console.log("terms: ", terms);

packages/telescope-posts/lib/routes.js

@@ -24,7 +24,8 @@ Posts.controllers.list = RouteController.extend({
 
     var terms = {
       view: this.view,
-      limit: this.params.limit || Settings.get('postsPerPage', 10)
+      limit: this.params.limit || Settings.get('postsPerPage', 10),
+      enableCache: true
     };
 
     // console.log('----------------- router running');
@@ -115,10 +116,10 @@ Posts.controllers.page = RouteController.extend({
 
   template: 'post_page',
 
-  waitOn: function () {
+  subscriptions: function () {
-    this.postSubscription = coreSubscriptions.subscribe('singlePost', this.params._id);
+    this.postSubscription = Telescope.subsManager.subscribe('singlePost', this.params._id);
-    this.postUsersSubscription = coreSubscriptions.subscribe('postUsers', this.params._id);
+    this.postUsersSubscription = Telescope.subsManager.subscribe('postUsers', this.params._id);
-    this.commentSubscription = coreSubscriptions.subscribe('commentsList', {view: 'postComments', postId: this.params._id});
+    this.commentSubscription = Telescope.subsManager.subscribe('commentsList', {view: 'postComments', postId: this.params._id});
   },
 
   post: function() {
@@ -210,8 +211,8 @@ Meteor.startup(function () {
     template: 'post_edit',
     waitOn: function () {
       return [
-        coreSubscriptions.subscribe('singlePost', this.params._id),
+        Telescope.subsManager.subscribe('singlePost', this.params._id),
-        coreSubscriptions.subscribe('allUsersAdmin')
+        Telescope.subsManager.subscribe('allUsersAdmin')
       ];
     },
     data: function() {
@@ -244,7 +245,7 @@ Meteor.startup(function () {
     name: 'post_submit',
     template: 'post_submit',
     waitOn: function () {
-      return coreSubscriptions.subscribe('allUsersAdmin');
+      return Telescope.subsManager.subscribe('allUsersAdmin');
     }
   });
 

packages/telescope-users/lib/routes.js

@@ -6,7 +6,7 @@ Users.controllers.page = RouteController.extend({
 
   waitOn: function() {
     return [
-      coreSubscriptions.subscribe('singleUser', this.params._idOrSlug)
+      Telescope.subsManager.subscribe('singleUser', this.params._idOrSlug)
     ];
   },
 
@@ -47,7 +47,7 @@ Users.controllers.page = RouteController.extend({
 Users.controllers.edit = RouteController.extend({
   waitOn: function() {
     return [
-      coreSubscriptions.subscribe('singleUser', this.params.slug)
+      Telescope.subsManager.subscribe('singleUser', this.params.slug)
     ];
   },
   data: function() {