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<?php |
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/** |
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* This file is part of the DpnXmlSitemapBundle package. |
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* |
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* (c) Björn Fromme <[email protected]> |
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* |
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* For the full copyright and license information, please view the Resources/meta/LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Dpn\XmlSitemapBundle\Sitemap; |
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use Symfony\Component\Templating\EngineInterface; |
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/** |
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* Sitemap manager class |
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* |
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* @author Björn Fromme <[email protected]> |
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* @author Kevin Bond <[email protected]> |
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*/ |
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class SitemapManager |
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{ |
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/** |
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* @var array |
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*/ |
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protected $defaults; |
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/** |
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* @var int |
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*/ |
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protected $maxPerSitemap; |
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/** |
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* @var \Dpn\XmlSitemapBundle\Sitemap\Entry[]|null |
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*/ |
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protected $entries; |
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/** |
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* @var GeneratorInterface[] |
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*/ |
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protected $generators = array(); |
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/** |
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* @var EngineInterface |
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*/ |
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protected $templating; |
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/** |
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* @param array $defaults |
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* @param int $maxPerSitemap |
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* @param EngineInterface $templating |
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*/ |
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public function __construct(array $defaults, $maxPerSitemap, EngineInterface $templating) |
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{ |
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$this->defaults = array_merge( |
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array( |
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'priority' => null, |
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'changefreq' => null, |
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), |
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$defaults |
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); |
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$this->maxPerSitemap = intval($maxPerSitemap); |
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$this->templating = $templating; |
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} |
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/** |
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* @param GeneratorInterface $generator |
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*/ |
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public function addGenerator(GeneratorInterface $generator) |
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{ |
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$this->generators[] = $generator; |
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} |
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/** |
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* @return \Dpn\XmlSitemapBundle\Sitemap\Entry[] |
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*/ |
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public function getSitemapEntries() |
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{ |
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if (null !== $this->entries) { |
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return $this->entries; |
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} |
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$entries = array(); |
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foreach ($this->generators as $generator) { |
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$entries = array_merge($entries, $generator->generate()); |
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} |
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$this->entries = $entries; |
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return $this->entries; |
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} |
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/** |
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* @return int |
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*/ |
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public function countSitemapEntries() |
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{ |
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return count($this->getSitemapEntries()); |
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} |
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/** |
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* @return int |
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*/ |
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public function getNumberOfSitemaps() |
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{ |
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$total = $this->countSitemapEntries(); |
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if ($total <= $this->maxPerSitemap) { |
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return 1; |
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} |
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return intval(ceil($total / $this->maxPerSitemap)); |
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} |
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/** |
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* @param int $number |
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* |
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* @return \Dpn\XmlSitemapBundle\Sitemap\Entry[] |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function getEntriesForSitemap($number) |
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{ |
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$numberOfSitemaps = $this->getNumberOfSitemaps(); |
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if ($number > $numberOfSitemaps) { |
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throw new \InvalidArgumentException('Number exceeds total sitemap count.'); |
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} |
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if (1 === $numberOfSitemaps) { |
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return $this->getSitemapEntries(); |
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} |
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$sitemaps = array_chunk($this->getSitemapEntries(), $this->maxPerSitemap); |
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return $sitemaps[$number - 1]; |
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} |
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/** |
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* @param int|null $number |
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* |
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* @return string |
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*/ |
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public function renderSitemap($number = null) |
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{ |
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$entries = null === $number ? $this->getSitemapEntries() : $this->getEntriesForSitemap($number); |
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return $this->templating->render( |
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'DpnXmlSitemapBundle::sitemap.xml.twig', |
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array( |
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'entries' => $entries, |
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'default_priority' => Entry::normalizePriority($this->defaults['priority']), |
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'default_changefreq' => Entry::normalizeChangeFreq($this->defaults['changefreq']), |
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) |
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); |
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} |
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/** |
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* @param string $host |
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* |
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* @return string |
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*/ |
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public function renderSitemapIndex($host) |
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{ |
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return $this->templating->render( |
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'DpnXmlSitemapBundle::sitemap_index.xml.twig', |
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array( |
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'num_sitemaps' => $this->getNumberOfSitemaps(), |
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'host' => $host, |
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) |
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); |
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} |
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} |
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bjo3rnf /
DpnXmlSitemapBundle
