Modelo de usuários

User.php

<?php
App::uses('AppModel', 'Model');
/**
 * User Model
 *
 * @property Group $Group
 */
class User extends AppModel {

    
    public $errors = array();
    
    
/**
 * Validation rules
 *
 * @var array
 * 
 */
    
	public $validate = array(
		'group_id' => array(
			'numeric' => array(
				'rule' => array('numeric'),
				'message' => 'Por favor informe o perfil do novo usuário',
				'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
		'name' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe o nome',
			),
		),
		'surname' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe o sobrenome',
			),
		),
		'email' => array(
			'email' => array(
				'rule' => array('email', true),
				'message' => 'Por favor informe um email válido',
			),
                        'emailOnInactiveState' => array(
                                'rule' => array('emailOnInactiveState'),
                                'message' => 'Este email já está cadastrado em nosso sistema.',
                                'on' => 'create',
                        ),
                        'isUnique' => array(
                                'rule' => array('isUnique'),
                                'message' => 'Este email já está cadastrado em nosso sistema.',
                                'on' => 'update'
                        )
		),
		'username' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe o login',
			),
		),
		'password' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe a senha',
				'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
                'password_confirm' => array(
                        'comparePasswords' => array(
                                'rule' => array('comparePasswords'),
                                'message' => 'As senhas digitadas não conferem, por favor verifique',
                        ),
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor confirme a senha',
				'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
		'address' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe o endereço',
			),
		),
		'addr_number' => array(
			'numeric' => array(
				'rule' => array('numeric'),
				'message' => 'Informe um número válido',
			),
		),
		'addr_district' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Informe o bairro',
			),
		),
		'addr_city' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe a cidade',
			),
		),
		'addr_state' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe o estado',
			),
		),
		'addr_country' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe o País',
			),
		),
		'addr_zip_code' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Informe o CEP',
			),
		),
		'phone' => array(
			'notempty' => array(
				'rule' => array('notempty'),
				'message' => 'Por favor informe o telefone principal',
			),
		),
                'aceito' => array(
                        'notempty' => array(
                                'rule' => array('notempty'),
                                'message' => 'Você deve concordar com os termos de uso para realizar o cadastro'
                        )
                )
	);

        
        public function emailOnInactiveState( $data = array() )
        {
            if ( !empty( $data ) ) {
                $user = $this->find('first', array('conditions' => array('email' => $data['email'])));
                
                if ( $user ) {
                    if ( $user['User']['status'] == 'active' ) {
                        return false;
                    } else {
                        $this->id = $user['User']['id'];
                        return true;
                    }
                }
            }
            return false;
        }
        
        /**
         * 
         * @param array $data
         * @return boolean
         */
        public function comparePasswords($data = array()) {
            if (isset($this->data[$this->alias]['password'])) {
                return $this->data[$this->alias]['password'] === current($data);
            }
        }
        
        
        /**
         * 
         * @return string
         */
        public function passRecover() {
            return substr(md5(date('siHdmY')),0,6);
        }
        
        /**
         * 
         * @param array $options
         */
        public function beforeValidate($options = array())
        {
            if ( isset($this->data[$this->alias]['aceito']) ) {
                if ( $this->data[$this->alias]['aceito'] == '0' ) {
                    $this->data[$this->alias]['aceito'] = '';
                }
            }
            
            if ( isset($this->data[$this->alias]['fast']) && $this->data[$this->alias]['fast'] == true || 
                    isset($this->data[$this->alias]['facebook_id'])) {
                
                
                if ( !isset($this->data[$this->alias]['facebook_id']) ) {
                    $this->data['User']['username'] = $this->data[$this->alias]['email'];
                    $this->data[$this->alias]['addr_city'] = 'Não definida';
                    $this->data[$this->alias]['addr_country'] = 'Brasil';
                } else {
                    $this->validator()->remove('email');
                    $this->validator()->remove('username');
                    $this->validator()->remove('password');
                    $this->validator()->remove('password_confirm');
                    $this->validator()->remove('group_id');
                    
                    $this->data[$this->alias]['aceito'] = 1;
                }
                
                $this->data[$this->alias]['address'] = 'Não definido';
                $this->data[$this->alias]['addr_number'] = 999;
                $this->data[$this->alias]['addr_complement'] = '';
                $this->data[$this->alias]['addr_district'] = 'Não definido';
                $this->data[$this->alias]['addr_state'] = 'ND';
                
                $this->data[$this->alias]['addr_zip_code'] = '00.000-000';
                $this->data[$this->alias]['phone'] = '(00)0000-0000';
                unset($this->data[$this->alias]['fast']);
            }
            
            parent::beforeValidate($options);
        }
        
        /**
         * 
         */
        public function afterValidate()
        {
            if ( $this->validationErrors ) {
                foreach($this->validationErrors as $erro) {
                    foreach($erro as $er) {
                        array_push($this->errors, $er);
                    }
                }
            }

            parent::afterValidate();
        }
        
        /**
         * 
         * @param array $options
         */
        public function beforeSave($options = array()) {
            
            if ( isset($this->data[$this->alias]['password']) ) {
                $pass = &$this->data[$this->alias]['password'];
                
                if ( !empty($pass) ) {
                    $pass = Security::hash($pass);
                } else {
                    unset($this->data[$this->alias]['password']);
                }
            }
            
            if ( isset($this->data[$this->alias]['id']) && !empty($this->data[$this->alias]['id']) ) {
                if ( isset($this->data[$this->alias]['email']) && !empty($this->data[$this->alias]['email']) ) {
                    if ( !isset($this->data[$this->alias]['username']) || $this->data[$this->alias]['username'] == '' ) {
                        $this->data[$this->alias]['username'] = $this->data[$this->alias]['email'];
                    }
                }
            }
            
            if ( !empty($this->data[$this->alias]['avatar']['name']) && isset($this->data[$this->alias]['id']) ) {
                $this->data[$this->alias]['avatar'] = $this->__uploadFile($this->data[$this->alias]['avatar'], $this->data[$this->alias]['id']);
            } else if( !isset($this->data[$this->alias]['facebook_id']) ) {
                unset($this->data[$this->alias]['avatar']);
            }

            parent::beforeSave($options);
        }
        
        /**
         * 
         * @param array $fileData
         * @param int $userId
         * @return string
         */
        private function __uploadFile( $fileData, $userId )
        {
            if ( !is_dir('files/users/'.$userId) ) {
                mkdir('files/users/'.$userId);
            } else {
                $file = $this->read('avatar', $userId);
            }
            
            $fileName = 'avatar' . substr($fileData['name'],-4);
            if (move_uploaded_file($fileData['tmp_name'], 'files/users/'.$userId.'/'.$fileName) ) {
                return $fileName;
            }
        }
        
        /**
         * 
         * @param int $userId
         * @param boolean $production
         * @return boolean
         */
        public function removeImagePath( $userId, $production = true ) 
        {
            $status = false;
            
            if ( is_dir('files/users/'.$userId) ) {
                
                if ( $production ) {
                    $dir = opendir('files/users/'.$userId);
                    while($file = readdir($dir)) {
                        if ( $file != '.' && $file != '..' ) {
                            @unlink('files/users/'.$userId.'/'.$file);
                        }
                    }
                }
                
                @rmdir('files/users/'.$userId);
                $status = true;
            }  
            return $status;
        }
        
	//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(
		'Group' => array(
			'className' => 'Group',
			'foreignKey' => 'group_id',
			'conditions' => '',
			'fields' => '',
			'order' => ''
		)
	);
        
        public $hasMany = array('UsersSkill');
        public $hasAndBelongsToMany = array('Materia');
}