--- /dev/null
+<?php
+
+namespace Drupal\simple_sitemap;
+
+use XMLWriter;
+use Drupal\simple_sitemap\Batch\Batch;
+use Drupal\Core\Database\Connection;
+use Drupal\Core\Extension\ModuleHandler;
+use Drupal\Core\Language\LanguageManagerInterface;
+
+/**
+ * Class SitemapGenerator
+ * @package Drupal\simple_sitemap
+ */
+class SitemapGenerator {
+
+ const XML_VERSION = '1.0';
+ const ENCODING = 'UTF-8';
+ const XMLNS = 'http://www.sitemaps.org/schemas/sitemap/0.9';
+ const XMLNS_XHTML = 'http://www.w3.org/1999/xhtml';
+ const GENERATED_BY = 'Generated by the Simple XML sitemap Drupal module: https://drupal.org/project/simple_sitemap.';
+ const FIRST_CHUNK_INDEX = 1;
+
+ /**
+ * @var \Drupal\simple_sitemap\Batch\Batch
+ */
+ protected $batch;
+
+ /**
+ * @var \Drupal\simple_sitemap\EntityHelper
+ */
+ protected $entityHelper;
+
+ /**
+ * @var \Drupal\Core\Database\Connection
+ */
+ protected $db;
+
+
+ /**
+ * @var \Drupal\Core\Language\LanguageManagerInterface
+ */
+ protected $languageManager;
+
+ /**
+ * @var \Drupal\Core\Extension\ModuleHandler
+ */
+ protected $moduleHandler;
+
+ /**
+ * @var string
+ */
+ protected $generateFrom = 'form';
+
+ /**
+ * @var bool
+ */
+ protected $isHreflangSitemap;
+
+ /**
+ * @var \Drupal\simple_sitemap\Simplesitemap
+ */
+ protected $generator;
+
+ /**
+ * SitemapGenerator constructor.
+ * @param \Drupal\simple_sitemap\Batch\Batch $batch
+ * @param \Drupal\simple_sitemap\EntityHelper $entityHelper
+ * @param \Drupal\Core\Database\Connection $database
+ * @param \Drupal\Core\Extension\ModuleHandler $module_handler
+ * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+ */
+ public function __construct(
+ Batch $batch,
+ EntityHelper $entityHelper,
+ Connection $database,
+ ModuleHandler $module_handler,
+ LanguageManagerInterface $language_manager
+ ) {
+ $this->batch = $batch;
+ $this->entityHelper = $entityHelper;
+ $this->db = $database;
+ $this->moduleHandler = $module_handler;
+ $this->languageManager = $language_manager;
+ $this->setIsHreflangSitemap();
+ }
+
+ protected function setIsHreflangSitemap() {
+ $this->isHreflangSitemap = count($this->languageManager->getLanguages()) > 1;
+ }
+
+ /**
+ * @return bool
+ */
+ public function isHreflangSitemap() {
+ return $this->isHreflangSitemap;
+ }
+
+ /**
+ * @param \Drupal\simple_sitemap\Simplesitemap $generator
+ * @return $this
+ */
+ public function setGenerator(Simplesitemap $generator) {
+ $this->generator = $generator;
+ return $this;
+ }
+
+ /**
+ * @param string $from
+ * @return $this
+ */
+ public function setGenerateFrom($from) {
+ $this->generateFrom = $from;
+ return $this;
+ }
+
+ /**
+ * Adds all operations to the batch and starts it.
+ */
+ public function startGeneration() {
+ $this->batch->setBatchInfo([
+ 'from' => $this->generateFrom,
+ 'batch_process_limit' => !empty($this->generator->getSetting('batch_process_limit'))
+ ? $this->generator->getSetting('batch_process_limit') : NULL,
+ 'max_links' => $this->generator->getSetting('max_links', 2000),
+ 'skip_untranslated' => $this->generator->getSetting('skip_untranslated', FALSE),
+ 'remove_duplicates' => $this->generator->getSetting('remove_duplicates', TRUE),
+ 'entity_types' => $this->generator->getBundleSettings(),
+ 'base_url' => $this->generator->getSetting('base_url', ''),
+ ]);
+ // Add custom link generating operation.
+ $this->batch->addOperation('generateCustomUrls', $this->getCustomUrlsData());
+
+ // Add entity link generating operations.
+ foreach ($this->getEntityTypeData() as $data) {
+ $this->batch->addOperation('generateBundleUrls', $data);
+ }
+ $this->batch->start();
+ }
+
+ /**
+ * Returns a batch-ready data array for custom link generation.
+ *
+ * @return array
+ * Data to be processed.
+ */
+ protected function getCustomUrlsData() {
+ $paths = [];
+ foreach ($this->generator->getCustomLinks() as $i => $custom_path) {
+ $paths[$i]['path'] = $custom_path['path'];
+ $paths[$i]['priority'] = isset($custom_path['priority']) ? $custom_path['priority'] : NULL;
+ // todo: implement lastmod.
+ $paths[$i]['lastmod'] = NULL;
+ }
+ return $paths;
+ }
+
+ /**
+ * Collects entity metadata for entities that are set to be indexed
+ * and returns an array of batch-ready data sets for entity link generation.
+ *
+ * @return array
+ */
+ protected function getEntityTypeData() {
+ $data_sets = [];
+ $sitemap_entity_types = $this->entityHelper->getSitemapEntityTypes();
+ $entity_types = $this->generator->getBundleSettings();
+ foreach ($entity_types as $entity_type_name => $bundles) {
+ if (isset($sitemap_entity_types[$entity_type_name])) {
+ $keys = $sitemap_entity_types[$entity_type_name]->getKeys();
+
+ // Menu fix.
+ $keys['bundle'] = $entity_type_name == 'menu_link_content' ? 'menu_name' : $keys['bundle'];
+
+ foreach ($bundles as $bundle_name => $bundle_settings) {
+ if ($bundle_settings['index']) {
+ $data_sets[] = [
+ 'bundle_settings' => $bundle_settings,
+ 'bundle_name' => $bundle_name,
+ 'entity_type_name' => $entity_type_name,
+ 'keys' => $keys,
+ ];
+ }
+ }
+ }
+ }
+ return $data_sets;
+ }
+
+ /**
+ * Wrapper method which takes links along with their options, lets other
+ * modules alter the links and then generates and saves the sitemap.
+ *
+ * @param array $links
+ * All links with their multilingual versions and settings.
+ * @param bool $remove_sitemap
+ * Remove old sitemap from database before inserting the new one.
+ */
+ public function generateSitemap(array $links, $remove_sitemap = FALSE) {
+ // Invoke alter hook.
+ $this->moduleHandler->alter('simple_sitemap_links', $links);
+
+ $values = [
+ 'id' => $remove_sitemap ? self::FIRST_CHUNK_INDEX
+ : $this->db->query('SELECT MAX(id) FROM {simple_sitemap}')
+ ->fetchField() + 1,
+ 'sitemap_string' => $this->generateSitemapChunk($links),
+ 'sitemap_created' => REQUEST_TIME,
+ ];
+ if ($remove_sitemap) {
+ $this->db->truncate('simple_sitemap')->execute();
+ }
+ $this->db->insert('simple_sitemap')->fields($values)->execute();
+ }
+
+ /**
+ * Generates and returns the sitemap index for all sitemap chunks.
+ *
+ * @param array $chunk_info
+ * Array containing chunk creation timestamps keyed by chunk ID.
+ *
+ * @return string sitemap index
+ */
+ public function generateSitemapIndex(array $chunk_info) {
+ $writer = new XMLWriter();
+ $writer->openMemory();
+ $writer->setIndent(TRUE);
+ $writer->startDocument(self::XML_VERSION, self::ENCODING);
+ $writer->writeComment(self::GENERATED_BY);
+ $writer->startElement('sitemapindex');
+ $writer->writeAttribute('xmlns', self::XMLNS);
+
+ foreach ($chunk_info as $chunk_id => $chunk_data) {
+ $writer->startElement('sitemap');
+ $writer->writeElement('loc', $this->getCustomBaseUrl() . '/sitemaps/' . $chunk_id . '/' . 'sitemap.xml');
+ $writer->writeElement('lastmod', date_iso8601($chunk_data->sitemap_created));
+ $writer->endElement();
+ }
+ $writer->endElement();
+ $writer->endDocument();
+ return $writer->outputMemory();
+ }
+
+ public function getCustomBaseUrl() {
+ $customBaseUrl = $this->generator->getSetting('base_url', '');
+ return !empty($customBaseUrl) ? $customBaseUrl : $GLOBALS['base_url'];
+ }
+
+ /**
+ * Generates and returns a sitemap chunk.
+ *
+ * @param array $links
+ * All links with their multilingual versions and settings.
+ *
+ * @return string
+ * Sitemap chunk
+ */
+ protected function generateSitemapChunk(array $links) {
+ $writer = new XMLWriter();
+ $writer->openMemory();
+ $writer->setIndent(TRUE);
+ $writer->startDocument(self::XML_VERSION, self::ENCODING);
+ $writer->writeComment(self::GENERATED_BY);
+ $writer->startElement('urlset');
+ $writer->writeAttribute('xmlns', self::XMLNS);
+
+ if ($this->isHreflangSitemap()) {
+ $writer->writeAttribute('xmlns:xhtml', self::XMLNS_XHTML);
+ }
+
+ foreach ($links as $link) {
+
+ // Add each translation variant URL as location to the sitemap.
+ $writer->startElement('url');
+ $writer->writeElement('loc', $link['url']);
+
+ // If more than one language is enabled, add all translation variant URLs
+ // as alternate links to this location turning the sitemap into a hreflang
+ // sitemap.
+ if ($this->isHreflangSitemap()) {
+ foreach ($link['alternate_urls'] as $language_id => $alternate_url) {
+ $writer->startElement('xhtml:link');
+ $writer->writeAttribute('rel', 'alternate');
+ $writer->writeAttribute('hreflang', $language_id);
+ $writer->writeAttribute('href', $alternate_url);
+ $writer->endElement();
+ }
+ }
+
+ // Add lastmod if any.
+ if (isset($link['lastmod'])) {
+ $writer->writeElement('lastmod', $link['lastmod']);
+ }
+
+ //todo: Implement changefreq here.
+
+ // Add priority if any.
+ if (isset($link['priority'])) {
+ $writer->writeElement('priority', $link['priority']);
+ }
+
+ $writer->endElement();
+ }
+ $writer->endElement();
+ $writer->endDocument();
+ return $writer->outputMemory();
+ }
+
+}
projects / yaffs-website / blobdiff