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<?php
namespace common\components;
use common\models\SitemapDynamic;
use common\models\SitemapStatic;
use yii\base\Object;
use yii\db\ActiveRecord;
use yii\helpers\Html;
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use yii\web\UrlManager;
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class Sitemap extends Object
{
public $entities = [];
public $path = '@frontend/web/sitemap.xml';
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public $url = 'sitemap.xml';
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/**
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* Get absolute url to sitemap.xml
*
* @return string
*/
public function getUrl(): string
{
/**
* @var UrlManager $urlManager
*/
$urlManager = \Yii::$app->get('urlManagerFrontend');
return $urlManager->createAbsoluteUrl('/' . $this->url);
}
/**
* Check whether sitemap.xml exist
*
* @return bool
*/
public function checkFileExist(): bool
{
return file_exists(\Yii::getAlias($this->path));
}
/**
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* Generate sitemap XML in $path
*
* @return bool
*/
public function generateXML(): bool
{
return $this->saveXML($this->generateOneShot());
}
/**
* Save generated xml to $path file
*
* @param string $xml
*
* @return bool
*/
protected function saveXML(string $xml): bool
{
$realpath = \Yii::getAlias($this->path);
if (file_put_contents($realpath, $xml)) {
return true;
} else {
return false;
}
}
/**
* Generate xml from configs
*
* @return string
*/
public function generateOneShot(): string
{
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/**
* @var UrlManager $urlManager
*/
$urlManager = \Yii::$app->get('urlManagerFrontend');
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$content = '<?xml version="1.0" encoding="UTF-8"?>';
$content .= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
/**
* @var SitemapStatic[] $static
*/
// ***** Begin generating static pages
$static = SitemapStatic::find()
->all();
foreach ($static as $item) {
$content .= Html::tag(
'url',
Html::tag('loc', $item->url) . Html::tag('lastmod', date('Y-m-d')) . Html::tag(
'changefreq',
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$item->frequency
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) . Html::tag('priority', $item->priority)
);
}
// ***** <<< End
/**
* @var SitemapDynamic $dynamic
*/
$dynamic = SitemapDynamic::find()
->indexBy('entity')
->where([ 'status' => 1 ])
->all();
$entities = $this->entities;
foreach ($entities as $entity) {
/**
* @var string $class
*/
$class = $entity[ 'class' ];
/**
* @var ActiveRecord $classInstance
*/
$classInstance = new $class();
if (is_subclass_of($classInstance, ActiveRecord::className())) {
if (!empty( $dynamic[ $class ] )) {
/**
* @var SitemapDynamic $model
*/
$model = $dynamic[ $class ];
$query = $classInstance::find();
if (isset( $entity[ 'conditions' ] )) {
foreach ($entity[ 'conditions' ] as $condition) {
$query->where($condition);
}
}
$result = $query->all();
foreach ($result as $record) {
$content .= Html::tag(
'url',
Html::tag(
'loc',
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$urlManager->createAbsoluteUrl(
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[
$entity[ 'url' ],
'id' => $record->getAttribute('id'),
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]
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)
) . Html::tag('lastmod', date('Y-m-d')) . Html::tag(
'changefreq',
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$model->frequency
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) . Html::tag('priority', $model->priority)
);
}
}
}
}
$content .= '</urlset>';
return $content;
}
}
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