Work on composer, early implementation of replying

ember/app/controllers/composer.js

@@ -0,0 +1,42 @@
+import Ember from 'ember';
+
+export default Ember.Controller.extend({
+
+    needs: ['index', 'application'],
+
+    user: Ember.Object.create({avatarNumber: 1}),
+
+    discussion: null,
+
+    showing: true,
+    minimized: false,
+
+    title: 'Replying to <em>Some Discussion Title</em>',
+
+    actions: {
+        close: function() {
+            this.set('showing', false);
+        },
+        minimize: function() {
+        	this.set('minimized', true);
+        },
+        show: function() {
+        	this.set('minimized', false);
+        },
+        save: function(value) {
+        	var store = this.store;
+        	var discussion = this.get('discussion');
+        	var controller = this;
+
+        	var post = store.createRecord('post', {
+			  content: value,
+			  discussion: discussion
+			});
+        	post.save().then(function(post) {
+        		discussion.set('posts', discussion.get('posts')+','+post.get('id'));
+        		controller.get('delegate').send('replyAdded', post);
+        	});
+        }
+    }
+
+});

ember/app/controllers/discussion.js

@@ -40,8 +40,26 @@ export default Ember.ObjectController.extend(Ember.Evented, {
 
     actions: {
         reply: function() {
-            this.set('controllers.composer.showing', true);
-            this.set('controllers.composer.title', 'Replying to <em>'+this.get('model.title')+'</em>');
+            var composer = this.get('controllers.composer');
+            // composer.beginPropertyChanges();
+            composer.set('minimized', false);
+            composer.set('showing', true);
+            composer.set('title', 'Replying to <em>'+this.get('model.title')+'</em>');
+            composer.set('delegate', this);
+            composer.set('discussion', this.get('model'));
+            // composer.endPropertyChanges();
+        },
+
+        replyAdded: function(post) {
+            var stream = this.get('stream');
+            stream.set('ids', this.get('model.postIds'));
+            var index = stream.get('count') - 1;
+            stream.get('content').pushObject(Ember.Object.create({
+                indexStart: index,
+                indexEnd: index,
+                content: post
+            }));
+            this.get('controllers.composer').set('showing', false);
         },
 
         // This action is called when the start position of the discussion