Comments MCV

==============MODEL=================

<?php
App::uses('AppModel', 'Model');
/**
 * Comment Model
 *
 * @property Post $Post
 * @property User $User
 */
class Comment extends AppModel {
/**
 * Display field
 *
 * @var string
 */
	public $displayField = 'name';
/**
 * Validation rules
 *
 * @var array
 */
	public $validate = array(
		'name' => array(
			'maxlength' => array(
				'rule' => array('maxlength', 50),
				'message' => 'The title can not be empty or longer than 50 characters.',
				'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
		'content' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Your comment has no text.',
				'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
	);

	//The Associations below have been created with all possible keys, those that are not needed can be removed

/**
 * belongsTo associations
 *
 * @var array
 */
	public $belongsTo = array(
		'Post' => array(
			'className' => 'Post',
			'foreignKey' => 'post_id',
			'conditions' => '',
			'fields' => '',
			'order' => ''
		),
		'User' => array(
			'className' => 'User',
			'foreignKey' => 'user_id',
			'conditions' => '',
			'fields' => '',
			'order' => ''
		)
	);
}


================CONTROLLER======================

<?php
App::uses('AppController', 'Controller');
/**
 * Comments Controller
 *
 * @property Comment $Comment
 */
class CommentsController extends AppController {


/**
 * index method
 *
 * @return void
 */
	public function index() {
		$this->Comment->recursive = 0;
		$this->set('comments', $this->paginate());
	}

/**
 * view method
 *
 * @param string $id
 * @return void
 */
	public function view($id = null) {
		$this->Comment->id = $id;
		if (!$this->Comment->exists()) {
			throw new NotFoundException(__('Invalid comment'));
		}
		$this->set('comment', $this->Comment->read(null, $id));
	}

/**
 * add method
 *
 * @return void
 */
	public function add() {
		if ($this->request->is('post')) {
			$this->Comment->create();
			if ($this->Comment->save($this->request->data)) {
				$this->Session->setFlash(__('The comment has been saved'));
				$this->redirect(array('action' => 'index'));
			} else {
				$this->Session->setFlash(__('The comment could not be saved. Please, try again.'));
			}
		}
		$posts = $this->Comment->Post->find('list');
		$this->set(compact('posts'));
	}

/**
 * edit method
 *
 * @param string $id
 * @return void
 */
	public function edit($id = null) {
		$this->Comment->id = $id;
		if (!$this->Comment->exists()) {
			throw new NotFoundException(__('Invalid comment'));
		}
		if ($this->request->is('post') || $this->request->is('put')) {
			if ($this->Comment->save($this->request->data)) {
				$this->Session->setFlash(__('The comment has been saved'));
				$this->redirect(array('action' => 'index'));
			} else {
				$this->Session->setFlash(__('The comment could not be saved. Please, try again.'));
			}
		} else {
			$this->request->data = $this->Comment->read(null, $id);
		}
		$posts = $this->Comment->Post->find('list');
		$this->set(compact('posts'));
	}

/**
 * delete method
 *
 * @param string $id
 * @return void
 */
	public function delete($id = null) {
		if (!$this->request->is('post')) {
			throw new MethodNotAllowedException();
		}
		$this->Comment->id = $id;
		if (!$this->Comment->exists()) {
			throw new NotFoundException(__('Invalid comment'));
		}
		if ($this->Comment->delete()) {
			$this->Session->setFlash(__('Comment deleted'));
			$this->redirect(array('action' => 'index'));
		}
		$this->Session->setFlash(__('Comment was not deleted'));
		$this->redirect(array('action' => 'index'));
	}
}



===============VIEW(ADD)======================


<div class="comments form">
<?php echo $this->Form->create('Comment');?>
	<fieldset>
		<legend><?php echo __('Add Comment'); ?></legend>
	<?php
		echo $this->Form->input('post_id');
		echo $this->Form->input('name');
		echo $this->Form->input('content');
		echo $this->Form->input('user_id');
	?>
	</fieldset>
<?php echo $this->Form->end(__('Submit'));?>
</div>
<div class="actions">
	<h3><?php echo __('Actions'); ?></h3>
	<ul>
		<li><?php echo $this->Html->link(__('List Comments'), array('action' => 'index'));?></li>
		<li><?php echo $this->Html->link(__('List Posts'), array('controller' => 'posts', 'action' => 'index')); ?> </li>
		<li><?php echo $this->Html->link(__('New Post'), array('controller' => 'posts', 'action' => 'add')); ?> </li>
	</ul>
</div>