3 namespace Drupal\aggregator\Plugin\aggregator\processor;
5 use Drupal\aggregator\Entity\Item;
6 use Drupal\aggregator\ItemStorageInterface;
7 use Drupal\aggregator\Plugin\AggregatorPluginSettingsBase;
8 use Drupal\aggregator\Plugin\ProcessorInterface;
9 use Drupal\aggregator\FeedInterface;
10 use Drupal\Component\Utility\Unicode;
11 use Drupal\Core\Config\ConfigFactoryInterface;
12 use Drupal\Core\Datetime\DateFormatterInterface;
13 use Drupal\Core\Form\ConfigFormBaseTrait;
14 use Drupal\Core\Form\FormStateInterface;
15 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
16 use Drupal\Core\Routing\UrlGeneratorTrait;
17 use Symfony\Component\DependencyInjection\ContainerInterface;
20 * Defines a default processor implementation.
22 * Creates lightweight records from feed items.
24 * @AggregatorProcessor(
26 * title = @Translation("Default processor"),
27 * description = @Translation("Creates lightweight records from feed items.")
30 class DefaultProcessor extends AggregatorPluginSettingsBase implements ProcessorInterface, ContainerFactoryPluginInterface {
31 use ConfigFormBaseTrait;
32 use UrlGeneratorTrait;
35 * Contains the configuration object factory.
37 * @var \Drupal\Core\Config\ConfigFactoryInterface
39 protected $configFactory;
42 * The entity storage for items.
44 * @var \Drupal\aggregator\ItemStorageInterface
46 protected $itemStorage;
49 * The date formatter service.
51 * @var \Drupal\Core\Datetime\DateFormatterInterface
53 protected $dateFormatter;
56 * Constructs a DefaultProcessor object.
58 * @param array $configuration
59 * A configuration array containing information about the plugin instance.
60 * @param string $plugin_id
61 * The plugin_id for the plugin instance.
62 * @param mixed $plugin_definition
63 * The plugin implementation definition.
64 * @param \Drupal\Core\Config\ConfigFactoryInterface $config
65 * The configuration factory object.
66 * @param \Drupal\aggregator\ItemStorageInterface $item_storage
67 * The entity storage for feed items.
68 * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
69 * The date formatter service.
71 public function __construct(array $configuration, $plugin_id, $plugin_definition, ConfigFactoryInterface $config, ItemStorageInterface $item_storage, DateFormatterInterface $date_formatter) {
72 $this->configFactory = $config;
73 $this->itemStorage = $item_storage;
74 $this->dateFormatter = $date_formatter;
75 // @todo Refactor aggregator plugins to ConfigEntity so merging
76 // the configuration here is not needed.
77 parent::__construct($configuration + $this->getConfiguration(), $plugin_id, $plugin_definition);
83 public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
88 $container->get('config.factory'),
89 $container->get('entity_type.manager')->getStorage('aggregator_item'),
90 $container->get('date.formatter')
97 protected function getEditableConfigNames() {
98 return ['aggregator.settings'];
104 public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
105 $config = $this->config('aggregator.settings');
106 $processors = $config->get('processors');
107 $info = $this->getPluginDefinition();
108 $counts = [3, 5, 10, 15, 20, 25];
109 $items = array_map(function ($count) {
110 return $this->formatPlural($count, '1 item', '@count items');
111 }, array_combine($counts, $counts));
112 $intervals = [3600, 10800, 21600, 32400, 43200, 86400, 172800, 259200, 604800, 1209600, 2419200, 4838400, 9676800];
113 $period = array_map([$this->dateFormatter, 'formatInterval'], array_combine($intervals, $intervals));
114 $period[AGGREGATOR_CLEAR_NEVER] = t('Never');
116 $form['processors'][$info['id']] = [];
117 // Only wrap into details if there is a basic configuration.
118 if (isset($form['basic_conf'])) {
119 $form['processors'][$info['id']] = [
120 '#type' => 'details',
121 '#title' => t('Default processor settings'),
122 '#description' => $info['description'],
123 '#open' => in_array($info['id'], $processors),
127 $form['processors'][$info['id']]['aggregator_summary_items'] = [
129 '#title' => t('Number of items shown in listing pages'),
130 '#default_value' => $config->get('source.list_max'),
132 '#options' => $items,
135 $form['processors'][$info['id']]['aggregator_clear'] = [
137 '#title' => t('Discard items older than'),
138 '#default_value' => $config->get('items.expire'),
139 '#options' => $period,
140 '#description' => t('Requires a correctly configured <a href=":cron">cron maintenance task</a>.', [':cron' => $this->url('system.status')]),
143 $lengths = [0, 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000];
144 $options = array_map(function($length) {
145 return ($length == 0) ? t('Unlimited') : $this->formatPlural($length, '1 character', '@count characters');
146 }, array_combine($lengths, $lengths));
148 $form['processors'][$info['id']]['aggregator_teaser_length'] = [
150 '#title' => t('Length of trimmed description'),
151 '#default_value' => $config->get('items.teaser_length'),
152 '#options' => $options,
153 '#description' => t('The maximum number of characters used in the trimmed version of content.'),
161 public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
162 $this->configuration['items']['expire'] = $form_state->getValue('aggregator_clear');
163 $this->configuration['items']['teaser_length'] = $form_state->getValue('aggregator_teaser_length');
164 $this->configuration['source']['list_max'] = $form_state->getValue('aggregator_summary_items');
165 // @todo Refactor aggregator plugins to ConfigEntity so this is not needed.
166 $this->setConfiguration($this->configuration);
172 public function process(FeedInterface $feed) {
173 if (!is_array($feed->items)) {
176 foreach ($feed->items as $item) {
177 // @todo: The default entity view builder always returns an empty
178 // array, which is ignored in aggregator_save_item() currently. Should
179 // probably be fixed.
180 if (empty($item['title'])) {
184 // Save this item. Try to avoid duplicate entries as much as possible. If
185 // we find a duplicate entry, we resolve it and pass along its ID is such
186 // that we can update it if needed.
187 if (!empty($item['guid'])) {
188 $values = ['fid' => $feed->id(), 'guid' => $item['guid']];
190 elseif ($item['link'] && $item['link'] != $feed->link && $item['link'] != $feed->url) {
191 $values = ['fid' => $feed->id(), 'link' => $item['link']];
194 $values = ['fid' => $feed->id(), 'title' => $item['title']];
197 // Try to load an existing entry.
198 if ($entry = entity_load_multiple_by_properties('aggregator_item', $values)) {
199 $entry = reset($entry);
202 $entry = Item::create(['langcode' => $feed->language()->getId()]);
204 if ($item['timestamp']) {
205 $entry->setPostedTime($item['timestamp']);
208 // Make sure the item title and author fit in the 255 varchar column.
209 $entry->setTitle(Unicode::truncate($item['title'], 255, TRUE, TRUE));
210 $entry->setAuthor(Unicode::truncate($item['author'], 255, TRUE, TRUE));
212 $entry->setFeedId($feed->id());
213 $entry->setLink($item['link']);
214 $entry->setGuid($item['guid']);
217 if (!empty($item['description'])) {
218 $description = $item['description'];
220 $entry->setDescription($description);
229 public function delete(FeedInterface $feed) {
230 if ($items = $this->itemStorage->loadByFeed($feed->id())) {
231 $this->itemStorage->delete($items);
233 // @todo This should be moved out to caller with a different message maybe.
234 drupal_set_message(t('The news items from %site have been deleted.', ['%site' => $feed->label()]));
238 * Implements \Drupal\aggregator\Plugin\ProcessorInterface::postProcess().
240 * Expires items from a feed depending on expiration settings.
242 public function postProcess(FeedInterface $feed) {
243 $aggregator_clear = $this->configuration['items']['expire'];
245 if ($aggregator_clear != AGGREGATOR_CLEAR_NEVER) {
246 // Delete all items that are older than flush item timer.
247 $age = REQUEST_TIME - $aggregator_clear;
248 $result = $this->itemStorage->getQuery()
249 ->condition('fid', $feed->id())
250 ->condition('timestamp', $age, '<')
253 $entities = $this->itemStorage->loadMultiple($result);
254 $this->itemStorage->delete($entities);
262 public function getConfiguration() {
263 return $this->configFactory->get('aggregator.settings')->get();
269 public function setConfiguration(array $configuration) {
270 $config = $this->config('aggregator.settings');
271 foreach ($configuration as $key => $value) {
272 $config->set($key, $value);