Code Coverage |
||||||||||
Classes and Traits |
Functions and Methods |
Lines |
||||||||
Total | |
0.00% |
0 / 1 |
|
0.00% |
0 / 7 |
CRAP | |
0.00% |
0 / 109 |
OpmlFeedAdd | |
0.00% |
0 / 1 |
|
0.00% |
0 / 7 |
506 | |
0.00% |
0 / 109 |
__construct | |
0.00% |
0 / 1 |
2 | |
0.00% |
0 / 3 |
|||
create | |
0.00% |
0 / 1 |
2 | |
0.00% |
0 / 5 |
|||
getFormId | |
0.00% |
0 / 1 |
2 | |
0.00% |
0 / 2 |
|||
buildForm | |
0.00% |
0 / 1 |
2 | |
0.00% |
0 / 27 |
|||
validateForm | |
0.00% |
0 / 1 |
6 | |
0.00% |
0 / 5 |
|||
submitForm | |
0.00% |
0 / 1 |
90 | |
0.00% |
0 / 52 |
|||
parseOpml | |
0.00% |
0 / 1 |
56 | |
0.00% |
0 / 15 |
<?php | |
/** | |
* @file | |
* Contains \Drupal\aggregator\Form\OpmlFeedAdd. | |
*/ | |
namespace Drupal\aggregator\Form; | |
use Drupal\aggregator\FeedStorageInterface; | |
use Drupal\Component\Utility\UrlHelper; | |
use Drupal\Core\Form\FormBase; | |
use Drupal\Core\Form\FormStateInterface; | |
use Symfony\Component\DependencyInjection\ContainerInterface; | |
use GuzzleHttp\Exception\RequestException; | |
use GuzzleHttp\ClientInterface; | |
/** | |
* Imports feeds from OPML. | |
*/ | |
class OpmlFeedAdd extends FormBase { | |
/** | |
* The feed storage. | |
* | |
* @var \Drupal\aggregator\FeedStorageInterface | |
*/ | |
protected $feedStorage; | |
/** | |
* The HTTP client to fetch the feed data with. | |
* | |
* @var \GuzzleHttp\ClientInterface | |
*/ | |
protected $httpClient; | |
/** | |
* Constructs a database object. | |
* | |
* @param \Drupal\aggregator\FeedStorageInterface $feed_storage | |
* The feed storage. | |
* @param \GuzzleHttp\ClientInterface $http_client | |
* The Guzzle HTTP client. | |
*/ | |
public function __construct(FeedStorageInterface $feed_storage, ClientInterface $http_client) { | |
$this->feedStorage = $feed_storage; | |
$this->httpClient = $http_client; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public static function create(ContainerInterface $container) { | |
return new static( | |
$container->get('entity.manager')->getStorage('aggregator_feed'), | |
$container->get('http_client') | |
); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function getFormId() { | |
return 'aggregator_opml_add'; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function buildForm(array $form, FormStateInterface $form_state) { | |
$intervals = array(900, 1800, 3600, 7200, 10800, 21600, 32400, 43200, 64800, 86400, 172800, 259200, 604800, 1209600, 2419200); | |
$period = array_map(array(\Drupal::service('date.formatter'), 'formatInterval'), array_combine($intervals, $intervals)); | |
$form['upload'] = array( | |
'#type' => 'file', | |
'#title' => $this->t('OPML File'), | |
'#description' => $this->t('Upload an OPML file containing a list of feeds to be imported.'), | |
); | |
$form['remote'] = array( | |
'#type' => 'url', | |
'#title' => $this->t('OPML Remote URL'), | |
'#maxlength' => 1024, | |
'#description' => $this->t('Enter the URL of an OPML file. This file will be downloaded and processed only once on submission of the form.'), | |
); | |
$form['refresh'] = array( | |
'#type' => 'select', | |
'#title' => $this->t('Update interval'), | |
'#default_value' => 3600, | |
'#options' => $period, | |
'#description' => $this->t('The length of time between feed updates. Requires a correctly configured <a href=":cron">cron maintenance task</a>.', array(':cron' => $this->url('system.status'))), | |
); | |
$form['actions'] = array('#type' => 'actions'); | |
$form['actions']['submit'] = array( | |
'#type' => 'submit', | |
'#value' => $this->t('Import'), | |
); | |
return $form; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function validateForm(array &$form, FormStateInterface $form_state) { | |
// If both fields are empty or filled, cancel. | |
$file_upload = $this->getRequest()->files->get('files[upload]', NULL, TRUE); | |
if ($form_state->isValueEmpty('remote') == empty($file_upload)) { | |
$form_state->setErrorByName('remote', $this->t('<em>Either</em> upload a file or enter a URL.')); | |
} | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function submitForm(array &$form, FormStateInterface $form_state) { | |
$validators = array('file_validate_extensions' => array('opml xml')); | |
if ($file = file_save_upload('upload', $validators, FALSE, 0)) { | |
$data = file_get_contents($file->getFileUri()); | |
} | |
else { | |
// @todo Move this to a fetcher implementation. | |
try { | |
$response = $this->httpClient->get($form_state->getValue('remote')); | |
$data = (string) $response->getBody(); | |
} | |
catch (RequestException $e) { | |
$this->logger('aggregator')->warning('Failed to download OPML file due to "%error".', array('%error' => $e->getMessage())); | |
drupal_set_message($this->t('Failed to download OPML file due to "%error".', array('%error' => $e->getMessage()))); | |
return; | |
} | |
} | |
$feeds = $this->parseOpml($data); | |
if (empty($feeds)) { | |
drupal_set_message($this->t('No new feed has been added.')); | |
return; | |
} | |
// @todo Move this functionality to a processor. | |
foreach ($feeds as $feed) { | |
// Ensure URL is valid. | |
if (!UrlHelper::isValid($feed['url'], TRUE)) { | |
drupal_set_message($this->t('The URL %url is invalid.', array('%url' => $feed['url'])), 'warning'); | |
continue; | |
} | |
// Check for duplicate titles or URLs. | |
$query = $this->feedStorage->getQuery(); | |
$condition = $query->orConditionGroup() | |
->condition('title', $feed['title']) | |
->condition('url', $feed['url']); | |
$ids = $query | |
->condition($condition) | |
->execute(); | |
$result = $this->feedStorage->loadMultiple($ids); | |
foreach ($result as $old) { | |
if (strcasecmp($old->label(), $feed['title']) == 0) { | |
drupal_set_message($this->t('A feed named %title already exists.', array('%title' => $old->label())), 'warning'); | |
continue 2; | |
} | |
if (strcasecmp($old->getUrl(), $feed['url']) == 0) { | |
drupal_set_message($this->t('A feed with the URL %url already exists.', array('%url' => $old->getUrl())), 'warning'); | |
continue 2; | |
} | |
} | |
$new_feed = $this->feedStorage->create(array( | |
'title' => $feed['title'], | |
'url' => $feed['url'], | |
'refresh' => $form_state->getValue('refresh'), | |
)); | |
$new_feed->save(); | |
} | |
$form_state->setRedirect('aggregator.admin_overview'); | |
} | |
/** | |
* Parses an OPML file. | |
* | |
* Feeds are recognized as <outline> elements with the attributes "text" and | |
* "xmlurl" set. | |
* | |
* @param string $opml | |
* The complete contents of an OPML document. | |
* | |
* @return array | |
* An array of feeds, each an associative array with a "title" and a "url" | |
* element, or NULL if the OPML document failed to be parsed. An empty array | |
* will be returned if the document is valid but contains no feeds, as some | |
* OPML documents do. | |
* | |
* @todo Move this to a parser in https://www.drupal.org/node/1963540. | |
*/ | |
protected function parseOpml($opml) { | |
$feeds = array(); | |
$xml_parser = drupal_xml_parser_create($opml); | |
if (xml_parse_into_struct($xml_parser, $opml, $values)) { | |
foreach ($values as $entry) { | |
if ($entry['tag'] == 'OUTLINE' && isset($entry['attributes'])) { | |
$item = $entry['attributes']; | |
if (!empty($item['XMLURL']) && !empty($item['TEXT'])) { | |
$feeds[] = array('title' => $item['TEXT'], 'url' => $item['XMLURL']); | |
} | |
} | |
} | |
} | |
xml_parser_free($xml_parser); | |
return $feeds; | |
} | |
} |