Yii2 框架 - 用户表模型

<?php

namespace app\models;

use Yii;
use yii\base\NotSupportedException;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;

class User extends ActiveRecord implements \yii\web\IdentityInterface
{
    const STATUS_DELETED = 0;
    const STATUS_INACTIVE = 9;
    const STATUS_ACTIVE = 10;

    /**
     * @return string
     */
    public static function tableName()
    {
        return '{{%user}}';
    }

    /**
     * {@inheritdoc}
     */
    public function behaviors()
    {
        return [
            TimestampBehavior::className(),
        ];
    }


    /**
     * {@inheritdoc}
     */
    public static function findIdentity($id)
    {
        return static::findOne(['id'=>$id,'status'=>self::STATUS_ACTIVE]);
    }

    /**
     * {@inheritdoc}
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        return new NotSupportedException('"findIdentityByAccessToken" is not implemented.');
    }

    /**
     * Finds user by username
     *
     * @param string $username
     * @return static|null
     */
    public static function findByUsername($username)
    {
        return static::findOne(['username' => $username, 'status' => self::STATUS_ACTIVE]);
    }


    /**
     * Finds user by password reset token
     *
     * @param string $token password reset token
     * @return static|null
     */
    public static function findByPasswordResetToken($token)
    {
        if (!static::isPasswordResetTokenValid($token)) {
            return null;
        }

        return static::findOne([
            'password_reset_token' => $token,
            'status' => self::STATUS_ACTIVE,
        ]);
    }


    /**
     * Finds out if password reset token is valid
     *
     * @param string $token password reset token
     * @return bool
     */
    public static function isPasswordResetTokenValid($token)
    {
        if (empty($token)) {
            return false;
        }

        $timestamp = (int) substr($token, strrpos($token, '_') + 1);
        $expire = Yii::$app->params['user.passwordResetTokenExpire'];
        return $timestamp + $expire >= time();
    }


    /**
     * {@inheritdoc}
     */
    public function getId()
    {
        return $this->getPrimaryKey();
    }


    /**
     * {@inheritdoc}
     */
    public function getAuthKey()
    {
        return $this->auth_key;
    }


    /**
     * {@inheritdoc}
     */
    public function validateAuthKey($authKey)
    {
        return $this->getAuthKey() === $authKey;
    }


    /**
     * Validates password
     *
     * @param string $password password to validate
     * @return bool if password provided is valid for current user
     */
    public function validatePassword($password)
    {
        return Yii::$app->security->validatePassword($password, $this->password_hash);
    }


    /**
     * Generates password hash from password and sets it to the model
     *
     * @param string $password
     * @throws \yii\base\Exception
     */
    public function setPassword($password)
    {
        $this->password_hash = Yii::$app->security->generatePasswordHash($password);
    }


    /**
     * Generates "remember me" authentication key
     */
    public function generateAuthKey()
    {
        $this->auth_key = Yii::$app->security->generateRandomString();
    }


    /**
     * Generates new password reset token
     */
    public function generatePasswordResetToken()
    {
        $this->password_reset_token = Yii::$app->security->generateRandomString() . '_' . time();
    }


    /**
     * Removes password reset token
     */
    public function removePasswordResetToken()
    {
        $this->password_reset_token = null;
    }
}