src/Wallabag/ImportBundle/Import/WallabagV1Import.php

   1 <?php
   2
   3 namespace Wallabag\ImportBundle\Import;
   4
   5 use Psr\Log\LoggerInterface;
   6 use Psr\Log\NullLogger;
   7 use Doctrine\ORM\EntityManager;
   8 use Symfony\Component\Translation\TranslatorInterface;
   9 use Wallabag\CoreBundle\Entity\Entry;
  10 use Wallabag\UserBundle\Entity\User;
  11 use Wallabag\CoreBundle\Tools\Utils;
  12
  13 class WallabagV1Import implements ImportInterface
  14 {
  15     private $user;
  16     private $em;
  17     private $logger;
  18     private $skippedEntries = 0;
  19     private $importedEntries = 0;
  20     private $filepath;
  21     private $translator;
  22
  23     public function __construct(EntityManager $em, TranslatorInterface $translator)
  24     {
  25         $this->em = $em;
  26         $this->logger = new NullLogger();
  27         $this->translator = $translator;
  28     }
  29
  30     public function setLogger(LoggerInterface $logger)
  31     {
  32         $this->logger = $logger;
  33     }
  34
  35     /**
  36      * We define the user in a custom call because on the import command there is no logged in user.
  37      * So we can't retrieve user from the `security.token_storage` service.
  38      *
  39      * @param User $user
  40      */
  41     public function setUser(User $user)
  42     {
  43         $this->user = $user;
  44
  45         return $this;
  46     }
  47
  48     /**
  49      * {@inheritdoc}
  50      */
  51     public function getName()
  52     {
  53         return 'wallabag v1';
  54     }
  55
  56     /**
  57      * {@inheritdoc}
  58      */
  59     public function getUrl()
  60     {
  61         return 'import_wallabag_v1';
  62     }
  63
  64     /**
  65      * {@inheritdoc}
  66      */
  67     public function getDescription()
  68     {
  69         return $this->translator->trans('This importer will import all your wallabag v1 articles. On your config page, click on "JSON export" in the "Export your wallabag data" section. You will have a "wallabag-export-1-xxxx-xx-xx.json" file.');
  70     }
  71
  72     /**
  73      * {@inheritdoc}
  74      */
  75     public function import()
  76     {
  77         if (!$this->user) {
  78             $this->logger->error('WallabagV1Import: user is not defined');
  79
  80             return false;
  81         }
  82
  83         if (!file_exists($this->filepath) || !is_readable($this->filepath)) {
  84             $this->logger->error('WallabagV1Import: unable to read file', array('filepath' => $this->filepath));
  85
  86             return false;
  87         }
  88
  89         $data = json_decode(file_get_contents($this->filepath), true);
  90
  91         if (empty($data)) {
  92             return false;
  93         }
  94
  95         $this->parseEntries($data);
  96
  97         return true;
  98     }
  99
 100     /**
 101      * {@inheritdoc}
 102      */
 103     public function getSummary()
 104     {
 105         return [
 106             'skipped' => $this->skippedEntries,
 107             'imported' => $this->importedEntries,
 108         ];
 109     }
 110
 111     /**
 112      * Set file path to the json file.
 113      *
 114      * @param string $filepath
 115      */
 116     public function setFilepath($filepath)
 117     {
 118         $this->filepath = $filepath;
 119
 120         return $this;
 121     }
 122
 123     /**
 124      * @param $entries
 125      */
 126     private function parseEntries($entries)
 127     {
 128         $i = 1;
 129
 130         foreach ($entries as $importedEntry) {
 131             $existingEntry = $this->em
 132                 ->getRepository('WallabagCoreBundle:Entry')
 133                 ->existByUrlAndUserId($importedEntry['url'], $this->user->getId());
 134
 135             if (false !== $existingEntry) {
 136                 ++$this->skippedEntries;
 137                 continue;
 138             }
 139
 140             // @see ContentProxy->updateEntry
 141             $entry = new Entry($this->user);
 142             $entry->setUrl($importedEntry['url']);
 143             $entry->setTitle($importedEntry['title']);
 144             $entry->setArchived($importedEntry['is_read']);
 145             $entry->setStarred($importedEntry['is_fav']);
 146             $entry->setContent($importedEntry['content']);
 147             $entry->setReadingTime(Utils::getReadingTime($importedEntry['content']));
 148             $entry->setDomainName(parse_url($importedEntry['url'], PHP_URL_HOST));
 149
 150             $this->em->persist($entry);
 151             ++$this->importedEntries;
 152
 153             // flush every 20 entries
 154             if (($i % 20) === 0) {
 155                 $this->em->flush();
 156             }
 157             ++$i;
 158         }
 159
 160         $this->em->flush();
 161     }
 162 }