razonyang / yii2-app-template

app/Http/Controller/SiteController.php

<?php
namespace App\Http\Controller;

use App\Http\Form\ContactForm;
use App\Http\Form\LoginForm;
use App\Http\Form\PasswordResetRequestForm;
use App\Http\Form\ResendVerificationEmailForm;
use App\Http\Form\ResetPasswordForm;
use App\Http\Form\SignupForm;
use App\Http\Form\VerifyEmailForm;
use Yii;
use yii\base\InvalidArgumentException;
use yii\captcha\CaptchaAction;
use yii\web\BadRequestHttpException;
use yii\web\ErrorAction;

class SiteController extends Controller
{
    /**
     * {@inheritdoc}
     */
    public function actions()
    {
        return [
            'error' => [
                'class' => ErrorAction::class,
            ],
            'captcha' => [
                'class' => CaptchaAction::class,
                'fixedVerifyCode' => YII_ENV_TEST ? 'testme' : null,
            ],
        ];
    }

    /**
     * Displays homepage.
     *
     * @return mixed
     */
    public function actionIndex()
    {
        return $this->render('index');
    }

    /**
     * Displays contact page.
     *
     * @return mixed
     */
    public function actionContact()
    {
        $model = new ContactForm();
        if ($model->load(Yii::$app->request->post()) && $model->validate()) {
            if ($model->sendEmail(Yii::$app->params['adminEmail'])) {
                Yii::$app->session->setFlash('success', 'Thank you for contacting us. We will get in touch with you as soon as possible.');

The method setFlash() does not exist on null.

            } else {
                Yii::$app->session->setFlash('error', 'There was an error sending your message.');
            }

            return $this->refresh();
        }

        return $this->render('contact', [
            'model' => $model,
        ]);
    }

    /**
     * Displays about page.
     *
     * @return mixed
     */
    public function actionAbout()
    {
        return $this->render('about');
    }

    /**
     * Logs out the current user.
     *
     * @return mixed
     */
    public function actionLogin()
    {
        if (!Yii::$app->user->isGuest) {
            return $this->goHome();
        }

        $model = new LoginForm();
        if ($model->load(Yii::$app->request->post()) && $model->login()) {
            return $this->goBack();
        }

        $model->password = '';
        return $this->render('login', [
            'model' => $model,
        ]);
    }

    /**
     * Logs out the current user.
     *
     * @return mixed
     */
    public function actionLogout()
    {
        Yii::$app->user->logout();

The method logout() does not exist on null.

        return $this->goHome();
    }

    /**
     * Signs user up.
     *
     * @return mixed
     */
    public function actionSignup()
    {
        $model = new SignupForm();
        if ($model->load(Yii::$app->request->post()) && $model->signup()) {
            Yii::$app->session->setFlash('success', 'Thank you for registration. Please check your inbox for verification email.');
            return $this->goHome();
        }

        return $this->render('signup', [
            'model' => $model,
        ]);
    }

    /**
     * Requests password reset.
     *
     * @return mixed
     */
    public function actionRequestPasswordReset()
    {
        $model = new PasswordResetRequestForm();
        if ($model->load(Yii::$app->request->post()) && $model->validate()) {
            if ($model->sendEmail()) {
                Yii::$app->session->setFlash('success', 'Check your email for further instructions.');

                return $this->goHome();
            } else {
                Yii::$app->session->setFlash('error', 'Sorry, we are unable to reset password for the provided email address.');
            }
        }

        return $this->render('requestPasswordResetToken', [
            'model' => $model,
        ]);
    }

    /**
     * Resets password.
     *
     * @param string $token
     * @return mixed
     * @throws BadRequestHttpException
     */
    public function actionResetPassword($token)
    {
        try {
            $model = new ResetPasswordForm($token);
        } catch (InvalidArgumentException $e) {
            throw new BadRequestHttpException($e->getMessage());
        }

        if ($model->load(Yii::$app->request->post()) && $model->validate() && $model->resetPassword()) {
            Yii::$app->session->setFlash('success', 'New password saved.');

            return $this->goHome();
        }

        return $this->render('resetPassword', [
            'model' => $model,
        ]);
    }

    /**
     * Verify email address
     *
     * @param string $token
     * @throws BadRequestHttpException
     * @return yii\web\Response
     */
    public function actionVerifyEmail($token)
    {
        try {
            $model = new VerifyEmailForm($token);
        } catch (InvalidArgumentException $e) {
            throw new BadRequestHttpException($e->getMessage());
        }
        if ($user = $model->verifyEmail()) {
            if (Yii::$app->user->login($user)) {
                Yii::$app->session->setFlash('success', 'Your email has been confirmed!');
                return $this->goHome();
            }
        }

        Yii::$app->session->setFlash('error', 'Sorry, we are unable to verify your account with provided token.');
        return $this->goHome();
    }

    /**
     * Resend verification email
     *
     * @return mixed
     */
    public function actionResendVerificationEmail()
    {
        $model = new ResendVerificationEmailForm();
        if ($model->load(Yii::$app->request->post()) && $model->validate()) {
            if ($model->sendEmail()) {
                Yii::$app->session->setFlash('success', 'Check your email for further instructions.');
                return $this->goHome();
            }
            Yii::$app->session->setFlash('error', 'Sorry, we are unable to resend verification email for the provided email address.');
        }

        return $this->render('resendVerificationEmail', [
            'model' => $model
        ]);
    }
}