Сервис на Yii2: Доработка шаблона приложения и i18n

<?php
<?php
/* @var $this yii\web\View */
$this->title = 'My Yii Application';
?>

NavBar::begin([
    'brandLabel' => 'My Company',
    ...
]);
...
<footer class="footer">
    <div class="container">
        <p class="pull-left">&copy; My Company <?= date('Y') ?></p>
        <p class="pull-right"><?= Yii::powered() ?></p>
    </div>
</footer>

<?php
<?php
/* @var $this yii\web\View */
$this->title = Yii::$app->name;
?>

NavBar::begin([
    'brandLabel' => Yii::$app->name,
    ...
]);
...
<footer class="footer">
    <div class="container">
        <p class="pull-left">&copy; <?= Yii::$app->name ?></p>
        <p class="pull-right"><?= date('Y') ?></p>
    </div>
</footer>

Yii::$app->mailer->compose()
    ->setTo($email)
    ->setFrom([Yii::$app->params['supportEmail'] => Yii::$app->name])
    ...

namespace yii\base;
 
abstract class Application extends Module
{
    ...
    public $name = 'My Application';
    ...
}

return [
    'name' => 'SeoKeys',
    'basePath' => dirname(__DIR__),
    'bootstrap' => ['log'],
    ...
];

$config = [
    'id' => 'app',
    'language'=>'ru-RU',
    ...
];

echo Nav::widget([
    'options' => ['class' => 'navbar-nav navbar-right'],
    'items' => array_filter([
        ['label' => 'Главная', 'url' => ['/main/default/index']],
        ['label' => 'Связь', 'url' => ['/main/contact/index']],
        Yii::$app->user->isGuest ?
            ['label' => 'Регистрация', 'url' => ['/user/default/signup']] :
            false,
        Yii::$app->user->isGuest ?
            ['label' => 'Вход', 'url' => ['/user/default/login']] :
            ['label' => 'Выход',
                'url' => ['/user/default/logout'],
                'linkOptions' => ['data-method' => 'post']],
    ]),
]);

return [
    ...
    'language'=>'ru',
    ...
    'components' => [
        ...
        'i18n' => [
            'translations' => [
                'app' => [
                    'class' => 'yii\i18n\PhpMessageSource',
                    'forceTranslation' => true,
                ],
            ],
        ],
    ],
];

echo Nav::widget([
    'options' => ['class' => 'navbar-nav navbar-right'],
    'items' => array_filter([
        ['label' => Yii::t('app', 'NAV_HOME'), 'url' => ['/main/default/index']],
        ['label' => Yii::t('app', 'NAV_CONTACT'), 'url' => ['/main/contact/index']],
        Yii::$app->user->isGuest ?
            ['label' => Yii::t('app', 'NAV_SIGNUP'), 'url' => ['/user/default/signup']] :
            false,
        Yii::$app->user->isGuest ?
            ['label' => Yii::t('app', 'NAV_LOGIN'), 'url' => ['/user/default/login']] :
            ['label' => Yii::t('app', 'NAV_LOGOUT'),
                'url' => ['/user/default/logout'],
                'linkOptions' => ['data-method' => 'post']],
    ]),
]);

$this->title = Yii::t('app', 'TITLE_RESET_PASSWORD');
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="user-default-password-reset-request">
    <h1><?= Html::encode($this->title) ?></h1>
 
    <p><?= Yii::t('app', 'PLEASE_FILL_FOR_RESET_REQUEST') ?></p>
 
    <div class="row">
        <div class="col-lg-5">
            <?php $form = ActiveForm::begin(['id' => 'password-reset-request-form']); ?>
            <?= $form->field($model, 'email') ?>
            <div class="form-group">
                <?= Html::submitButton(Yii::t('app', 'BUTTON_SEND'), ['class' => 'btn btn-primary']) ?>
            </div>
            <?php ActiveForm::end(); ?>
        </div>
    </div>
</div>

$this->title = Yii::t('app', 'TITLE_CONTACT');
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="main-contact-index">
    <h1><?= Html::encode($this->title) ?></h1>
 
    <?php if (Yii::$app->session->hasFlash('contactFormSubmitted')): ?>
 
        <div class="alert alert-success">
            <?= Yii::t('app', 'CONTACT_THANKS'); ?>
        </div>
 
    <?php else: ?>
 
        <div class="row">
            <div class="col-lg-5">
                <?php $form = ActiveForm::begin(['id' => 'contact-form']); ?>
                <?= $form->field($model, 'name') ?>
                <?= $form->field($model, 'email') ?>
                <?= $form->field($model, 'subject') ?>
                <?= $form->field($model, 'body')->textArea(['rows' => 6]) ?>
                <?= $form->field($model, 'verifyCode')->widget(Captcha::className(), [
                    'captchaAction' => '/main/contact/captcha',
                    'template' => '<div class="row"><div class="col-lg-3">{image}</div><div class="col-lg-6">{input}</div></div>',
                ]) ?>
                <div class="form-group">
                    <?= Html::submitButton(Yii::t('app', 'BUTTON_SEND'), ['class' => 'btn btn-primary', 'name' => 'contact-button']) ?>
                </div>
                <?php ActiveForm::end(); ?>
            </div>
        </div>
 
    <?php endif; ?>
</div>

<?php
<?php
 
/* @var $this yii\web\View */
/* @var $user app\modules\user\models\User */
 
$confirmLink = Yii::$app->urlManager->createAbsoluteUrl(['user/default/email-confirm', 'token' => $user->email_confirm_token]);
?>
 
<?= Yii::t('app', 'HELLO {username}', ['username' => $user->username]); ?>
 
<?= Yii::t('app', 'FOLLOW_TO_CONFIRM_EMAIL') ?>
 
<?= $confirmLink ?>
 
<?= Yii::t('app', 'IGNORE_IF_DO_NOT_REGISTER') ?>

return [
    'NAV_HOME' => 'Home',
    'NAV_CONTACT' => 'Contact',
    'NAV_SIGNUP' => 'Signup',
    'NAV_LOGIN' => 'Login',
    'NAV_LOGOUT' => 'Logout',
 
    'BUTTON_SEND' => 'Send',
    'BUTTON_SAVE' => 'Save',
    'BUTTON_UPDATE' => 'Update',
    'BUTTON_DELETE' => 'Delete',
 
    ...
 
    'HELLO {username}' => 'Hello, {username}!',
    'FOLLOW_TO_RESET_PASSWORD' => 'Follow the link below to reset your password:',
    'FOLLOW_TO_CONFIRM_EMAIL' => 'Follow the link below to confirm your email:',
    'IGNORE_IF_DO_NOT_REGISTER' => 'If you do not register on our site just remove this mail.'
];

return [
    'NAV_HOME' => 'Главная',
    'NAV_CONTACT' => 'Связь',
    'NAV_SIGNUP' => 'Регистрация',
    'NAV_LOGIN' => 'Вход',
    'NAV_PROFILE' => 'Профиль',
    'NAV_LOGOUT' => 'Выход',
 
    'BUTTON_SEND' => 'Отправить',
    'BUTTON_SAVE' => 'Сохранить',
    'BUTTON_UPDATE' => 'Редактировать',
    'BUTTON_DELETE' => 'Удалить',
 
    ...
 
    'HELLO {username}' => 'Здравствуйте, {username}!',
    'FOLLOW_TO_RESET_PASSWORD' => 'Для смены пароля пройдите по ссылке:',
    'FOLLOW_TO_CONFIRM_EMAIL' => 'Для подтверждения адреса пройдите по ссылке:',
    'IGNORE_IF_DO_NOT_REGISTER' => 'Если Вы не регистрировались на нашем сайте, то просто удалите это письмо.'
];

class Model extends Component implements IteratorAggregate, ArrayAccess, Arrayable
{
    ...
 
    public function getAttributeLabel($attribute)
    {
        $labels = $this->attributeLabels();
        return isset($labels[$attribute]) ? $labels[$attribute] : $this->generateAttributeLabel($attribute);
    }
 
    public function generateAttributeLabel($name)
    {
        return Inflector::camel2words($name, true);
    }
}

class LoginForm extends Model
{
    public $username;
    public $password;
    public $rememberMe = true;
 
    ...
}

class LoginForm extends Model
{
    public $username;
    public $password;
    public $rememberMe = true;
 
    ...
 
    public function attributeLabels()
    {
        return [
            'username' => Yii::t('app', 'USER_USERNAME'),
            'password' => Yii::t('app', 'USER_PASSWORD'),
            'rememberMe' => Yii::t('app', 'USER_REMEMBER_ME'),
        ];
    }
}

public function rules()
{
    return [
        ...
        ['username', 'unique', 'targetClass' => User::className(), 'message' => Yii::t('app', 'ERROR_USERNAME_EXISTS')],
        ...
        ['email', 'unique', 'targetClass' => User::className(), 'message' => Yii::t('app', 'ERROR_EMAIL_EXISTS')],
        ...
    ];
}

class LoginForm extends Model
{
    ...
 
    public function validatePassword()
    {
        if (!$this->hasErrors()) {
            $user = $this->getUser();
 
            if (!$user || !$user->validatePassword($this->password)) {
                $this->addError('password', Yii::t('app', 'ERROR_WRONG_USERNAME_OR_PASSWORD'));
            } elseif ($user && $user->status == User::STATUS_BLOCKED) {
                $this->addError('username', Yii::t('app', 'ERROR_PROFILE_BLOCKED'));
            } elseif ($user && $user->status == User::STATUS_WAIT) {
                $this->addError('username', Yii::t('app', 'ERROR_PROFILE_NOT_CONFIRMED'));
            }
        }
    }
 
    ...
}

$this->title = Yii::t('app', 'TITLE_CONTACT');
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="main-contact-index">
    <h1><?= Html::encode($this->title) ?></h1>
    ...
</div>

h1 {
    display: none;
}
 
.jumbotron h1 {
    display: block;
}

<?php
<!--[if lt IE 9]>
    <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
    <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->

namespace app\assets;
 
use yii\web\AssetBundle;
use yii\web\View;
 
class IESupportAsset extends AssetBundle
{
    public $js = [
        'https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js',
        'https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js'
    ];
    public $jsOptions = [
        'condition'=>'lt IE 9',
        'position' => View::POS_HEAD,
    ];
}

namespace app\assets;
 
use yii\web\AssetBundle;
 
class AppAsset extends AssetBundle
{
    public $basePath = '@webroot';
    public $baseUrl = '@web';
    public $css = [
        'css/site.css',
    ];
    public $js = [
    ];
    public $depends = [
        'app\assets\IESupportAsset',
        'yii\web\YiiAsset',
        'yii\bootstrap\BootstrapAsset',
    ];
}

namespace app\assets;
 
use yii\web\AssetBundle;
use yii\web\View;
 
class Html5ShivAsset extends AssetBundle
{
    public $sourcePath = '@bower/html5shiv/dist';
    public $js = [
        'html5shiv.min.js',
    ];
    public $jsOptions = [
        'condition'=>'lt IE 9',
        'position' => View::POS_HEAD,
    ];
}

namespace app\assets;
 
use yii\web\AssetBundle;
use yii\web\View;
 
class RespondAsset extends AssetBundle
{
    public $sourcePath = '@bower/respond/dest';
    public $js = [
        'respond.min.js',
    ];
    public $jsOptions = [
        'condition'=>'lt IE 9',
        'position' => View::POS_HEAD,
    ];
}

namespace app\assets;
 
use yii\web\AssetBundle;
 
class AppAsset extends AssetBundle
{
    public $basePath = '@webroot';
    public $baseUrl = '@web';
    public $css = [
        'css/site.css',
    ];
    public $js = [
    ];
    public $depends = [
        'app\assets\Html5ShivAsset',
        'app\assets\RespondAsset',
        'yii\web\YiiAsset',
        'yii\bootstrap\BootstrapAsset',
    ];
}

<?php
<!--[if lt IE 9]>
<script src="/assets/db84ef52/html5shiv.min.js"></script>
<![endif]-->
<!--[if lt IE 9]>
<script src="/assets/ff150184/respond.min.js"></script>
<![endif]-->

'components' => [
    ...
    'assetManager' => [
        'linkAssets' => true,
    ],
    ...
]