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Filename : LoginForm.php
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<?php

namespace app\models;

use Yii;
use yii\base\Model;

/**
 * LoginForm is the model behind the login form.
 *
 * @property-read User|null $user This property is read-only.
 *
 */
class LoginForm extends Model
{
    public $email;
    public $password;
    public $rememberMe = true;

    private $_user = false;


public function behaviors()
{
    $behaviors = parent::behaviors();

    $behaviors[] = [
        'class' => '\ethercreative\loginattempts\LoginAttemptBehavior',

        // Amount of attempts in the given time period
        'attempts' => 10,

        // the duration, for a regular failure to be stored for
        // resets on new failure
        'duration' => 300,

        // the unit to use for the duration
        'durationUnit' => 'second',

        // the duration, to disable login after exceeding `attemps`
        'disableDuration' => 900,

        // the unit to use for the disable duration
        'disableDurationUnit' => 'second',

        // the attribute used as the key in the database
        // and add errors to
        'usernameAttribute' => 'email',

        // the attribute to check for errors
        'passwordAttribute' => 'password',

        // the validation message to return to `usernameAttribute`
        'message' => 'Login disabled',
    ];

    return $behaviors;
}


    /**
     * @return array the validation rules.
     */
    public function rules()
    {
        return [
            // username and password are both required
            [['email', 'password'], 'required'],
            // rememberMe must be a boolean value
            ['rememberMe', 'boolean'],
            // password is validated by validatePassword()
            ['password', 'validatePassword'],
        ];
    }

    /**
     * Validates the password.
     * This method serves as the inline validation for password.
     *
     * @param string $attribute the attribute currently being validated
     * @param array $params the additional name-value pairs given in the rule
     */
    public function validatePassword($attribute, $params)
    {
        if (!$this->hasErrors()) {
            $user = $this->getUser();

            if (!$user || !$user->validatePassword($this->password)) {
                $this->addError($attribute, 'Incorrect email or password.');
            }
        }
    }

    /**
     * Logs in a user using the provided username and password.
     * @return bool whether the user is logged in successfully
     */
    public function login()
    {
        if ($this->validate()) {
            return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600*24*30 : 0);
        }
        return false;
    }

    /**
     * Finds user by [[email]]
     *
     * @return User|null
     */
    public function getUser()
    {
        if ($this->_user === false) {
            $this->_user = Users::findByEmail($this->email);
        }

        return $this->_user;
    }
}