Augmented the postsList route to take a limit

tmeasday · tmeasday · commit c29806037c82 · 2015-10-19T22:29:09.000+11:00
chapter12-2
diff --git a/client/templates/posts/posts_list.js b/client/templates/posts/posts_list.js
@@ -1,5 +0,0 @@
-Template.postsList.helpers({
-  posts: function() {
-    return Posts.find({}, {sort: {submitted: -1}});
-  }
-});
diff --git a/lib/router.js b/lib/router.js
@@ -3,12 +3,10 @@ Router.configure({
   loadingTemplate: 'loading',
   notFoundTemplate: 'notFound',
   waitOn: function() { 
-    return [Meteor.subscribe('posts'), Meteor.subscribe('notifications')]
+    return [Meteor.subscribe('notifications')]
   }
 });
 
-Router.route('/', {name: 'postsList'});
-
 Router.route('/posts/:_id', {
   name: 'postPage',
   waitOn: function() {
@@ -24,6 +22,20 @@ Router.route('/posts/:_id/edit', {
 
 Router.route('/submit', {name: 'postSubmit'});
 
+Router.route('/:postsLimit?', {
+  name: 'postsList',
+  waitOn: function() {
+    var limit = parseInt(this.params.postsLimit) || 5; 
+    return Meteor.subscribe('posts', {sort: {submitted: -1}, limit: limit});
+  },
+  data: function() {
+    var limit = parseInt(this.params.postsLimit) || 5; 
+    return {
+      posts: Posts.find({}, {sort: {submitted: -1}, limit: limit})
+    };
+  }
+});
+
 var requireLogin = function() {
   if (! Meteor.user()) {
     if (Meteor.loggingIn()) {
diff --git a/server/publications.js b/server/publications.js
@@ -1,5 +1,9 @@
-Meteor.publish('posts', function() {
-  return Posts.find();
+Meteor.publish('posts', function(options) {
+  check(options, {
+    sort: Object,
+    limit: Number
+  });
+  return Posts.find({}, options);
 });
 
 Meteor.publish('comments', function(postId) {
