Models

publication.php

<?php
class Publication extends AppModel {
	var $name = 'Publication';
	var $validate = array(
		'uid' => array(
			'notempty' => array(
				'rule' => array('notempty'),
			),
		),
		'account_id' => array(
			'numeric' => array(
				'rule' => array('numeric'),
			),
		),
		'status' => array(
			'numeric' => array(
				'rule' => array('numeric'),
			),
		),
	);
	//The Associations below have been created with all possible keys, those that are not needed can be removed

	var $belongsTo = array(
		'Usuario' => array(
			'className' => 'Usuario',
			'foreignKey' => 'user_id',
			'conditions' => '',
			'fields' => '',
			'order' => ''
		),
		'Account' => array(
			'className' => 'Account',
			'foreignKey' => 'account_id',
			'conditions' => '',
			'fields' => '',
			'order' => ''
		)
	);
}

usuario.php

<?php
class Usuario extends AppModel {
	var $name = 'Usuario';
	var $useTable = "usuarios";

	var $validate = array(
		'name' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'O seu nome não pode estar vazio',
			),
		),
		'username' => array(
			'notempty' => array(
				'rule' => array('alphaNumeric'),
				'message' => 'Seu nome de usuário só pode conter letras e números',
			),
		),
		'password' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Você precisa digitar uma senha',
			),
		),
		'email' => array(
			'email' => array(
				'rule' => array('email'),
				'message' => 'Insira um email válido',
			),
			'isUnique'=>array(
				'rule' => 'isUnique',
				'message' => 'Este email já está cadastrado'
			),
		),
		'level' => array(
			'notempty' => array(
				'rule' => array('notempty'),
			),
		),
		'active' => array(
			'numeric' => array(
				'rule' => array('numeric'),
			),
		),
		'lastlogin' => array(
			'date' => array(
				'rule' => array('date'),
			),
		),
	);
}