--- /dev/null
+<?php
+
+/**
+ * @file
+ * Main module file containing hooks.
+ */
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\system\MenuInterface;
+
+/**
+ * Implements hook_help.
+ */
+function simple_sitemap_help($route_name, RouteMatchInterface $route_match) {
+ return $route_name === 'help.page.simple_sitemap' ?
+ check_markup(file_get_contents(dirname(__FILE__) . "/README.md")) : NULL;
+}
+
+/**
+ * Implements hook_form_alter.
+ *
+ * Adds sitemap settings to entity types that are supported via plugins.
+ */
+function simple_sitemap_form_alter(&$form, FormStateInterface $form_state, $form_id) {
+
+ /**
+ * @var Drupal\simple_sitemap\Form\FormHelper $f
+ */
+ $f = \Drupal::service('simple_sitemap.form_helper')->processForm($form_state);
+ if (!$f->alteringForm()) {
+ return;
+ }
+
+ $form['simple_sitemap'] = [
+ '#type' => 'details',
+ '#group' => isset($form['additional_settings']) ? 'additional_settings' : 'advanced',
+ '#title' => t('Simple XML sitemap'),
+ '#description' => $f->getEntityCategory() == 'instance' ? t('Settings for this entity can be overridden here.') : '',
+ ];
+
+ // Attach some js magic to forms.
+ // todo: JS not working on comment entity form, hence disabling.
+ if ($f->getEntityTypeId() != 'comment' || $f->getEntityCategory() != 'instance') {
+ $form['#attached']['library'][] = 'simple_sitemap/form';
+ }
+
+ // Only attach fieldset summary js to 'additional settings' vertical tabs.
+ if (isset($form['additional_settings'])) {
+ $form['#attached']['library'][] = 'simple_sitemap/fieldsetSummaries';
+ }
+
+ $f->displayEntitySettings($form['simple_sitemap'])
+ // todo: do not show setting when creating new bundle.
+ ->displayRegenerateNow($form['simple_sitemap']);
+
+ // Add submission handler.
+ if (isset($form['actions']['submit']['#submit'])) {
+ foreach (array_keys($form['actions']) as $action) {
+ if ($action != 'preview'
+ && isset($form['actions'][$action]['#type'])
+ && $form['actions'][$action]['#type'] === 'submit') {
+ $form['actions'][$action]['#submit'][] = 'simple_sitemap_entity_form_submit';
+ }
+ }
+ }
+ // Fix for account page rendering other submit handlers not usable.
+ else {
+ $form['#submit'][] = 'simple_sitemap_entity_form_submit';
+ }
+}
+
+/**
+ * Form submission handler called in hook_form_alter.
+ */
+function simple_sitemap_entity_form_submit($form, FormStateInterface &$form_state) {
+
+ /**
+ * @var Drupal\simple_sitemap\Form\FormHelper $f
+ */
+ $f = \Drupal::service('simple_sitemap.form_helper')->processForm($form_state);
+
+ $values = $form_state->getValues();
+
+ // Fix for values appearing in a sub array on a commerce product entity.
+ $values = isset($values['simple_sitemap']) ? $values['simple_sitemap'] : $values;
+
+ // Only make changes in DB if sitemap settings actually changed.
+ if ($f->valuesChanged($form, $values)) {
+
+ /**
+ * @var \Drupal\simple_sitemap\Simplesitemap $generator
+ */
+ $generator = \Drupal::service('simple_sitemap.generator');
+
+ switch ($f->getEntityCategory()) {
+
+ case 'bundle':
+ $generator->setBundleSettings(
+ $f->getEntityTypeId(),
+ !empty($f->getBundleName()) ? $f->getBundleName() : $f->getFormEntityId(),
+ [
+ 'index' => $values['simple_sitemap_index_content'],
+ 'priority' => $values['simple_sitemap_priority']
+ ]
+ );
+ break;
+
+ case 'instance':
+ $generator->setEntityInstanceSettings(
+ $f->getEntityTypeId(),
+ !empty($f->getInstanceId()) ? $f->getInstanceId() : $f->getFormEntityId(),
+ [
+ 'index' => $values['simple_sitemap_index_content'],
+ 'priority' => $values['simple_sitemap_priority']
+ ]
+ );
+ break;
+ }
+
+ // Regenerate sitemaps according to user setting.
+ if ($values['simple_sitemap_regenerate_now']) {
+ $generator->generateSitemap();
+ }
+ }
+}
+
+/**
+ * Implements hook_cron.
+ */
+function simple_sitemap_cron() {
+
+ /**
+ * @var \Drupal\simple_sitemap\Simplesitemap $generator
+ */
+ $generator = \Drupal::service('simple_sitemap.generator');
+ if ($generator->getSetting('cron_generate')) {
+ $generator->generateSitemap('backend');
+ }
+}
+
+/**
+ * Implements hook_entity_delete().
+ *
+ * Removes settings of the removed entity.
+ *
+ * @param \Drupal\Core\Entity\EntityInterface $entity
+ */
+function simple_sitemap_entity_delete(EntityInterface $entity) {
+
+ /**
+ * @var \Drupal\simple_sitemap\Simplesitemap $generator
+ */
+ $generator = \Drupal::service('simple_sitemap.generator');
+ $generator->removeEntityInstanceSettings(
+ $entity->getEntityTypeId(), $entity->id()
+ );
+}
+
+/**
+ * Implements hook_entity_bundle_delete().
+ *
+ * Removes settings of the removed bundle.
+ */
+function simple_sitemap_entity_bundle_delete($entity_type_id, $bundle) {
+ simple_sitemap_delete_bundle_config($entity_type_id, $bundle);
+}
+
+/**
+ * Implements hook_menu_delete().
+ *
+ * Removes settings for the removed menu.
+ *
+ * @param \Drupal\system\MenuInterface $menu
+ */
+function simple_sitemap_menu_delete(MenuInterface $menu) {
+ simple_sitemap_delete_bundle_config('menu_link_content', $menu->id());
+}
+
+/**
+ * Helper function used by simple_sitemap_entity_bundle_delete() and
+ * simple_sitemap_menu_delete() hooks. This is needed, as menus are technically
+ * not bundles.
+ *
+ * @param string $entity_type_id
+ * @param string $bundle
+ */
+function simple_sitemap_delete_bundle_config($entity_type_id, $bundle) {
+
+ /**
+ * @var \Drupal\simple_sitemap\Simplesitemap $generator
+ */
+ $generator = \Drupal::service('simple_sitemap.generator');
+ $deleted_bundle_settings = $generator->getBundleSettings($entity_type_id, $bundle);
+ if ($deleted_bundle_settings !== FALSE) {
+
+ // Delete bundle settings.
+ \Drupal::service('config.factory')->getEditable("simple_sitemap.bundle_settings.$entity_type_id.$bundle")->delete();
+
+ $message = "You may want to <a href='@url'>regenerate</a> your XML sitemap now.";
+ if ($generator->getSetting('cron_generate')) {
+ $message .= ' Otherwise the sitemap will be regenerated on the next cron run.';
+ }
+ drupal_set_message(t($message, ['@url' => $GLOBALS['base_url'] . '/admin/config/search/simplesitemap']));
+ }
+}
+
+/**
+ * Implements hook_robotstxt().
+ */
+function simple_sitemap_robotstxt() {
+ return [
+ '# XML sitemap',
+ 'Sitemap: ' . $GLOBALS['base_url'] . '/sitemap.xml',
+ ];
+}