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);
+        	});
+        }
+    }
+
+});