src/Model/Storage/Database.php

   1 <?php
   2 /**
   3  * @file src/Model/Storage/Filesystem.php
   4  * @brief Storage backend system
   5  */
   6
   7 namespace Friendica\Model\Storage;
   8
   9 use Friendica\Core\L10n;
  10 use Psr\Log\LoggerInterface;
  11
  12 /**
  13  * @brief Database based storage system
  14  *
  15  * This class manage data stored in database table.
  16  */
  17 class Database implements IStorage
  18 {
  19         const NAME = 'Database';
  20
  21         /** @var \Friendica\Database\Database */
  22         private $dba;
  23         /** @var LoggerInterface */
  24         private $logger;
  25         /** @var L10n\L10n */
  26         private $l10n;
  27
  28         /**
  29          * @param \Friendica\Database\Database $dba
  30          * @param LoggerInterface              $logger
  31          * @param L10n\L10n                    $l10n
  32          */
  33         public function __construct(\Friendica\Database\Database $dba, LoggerInterface $logger, L10n\L10n $l10n)
  34         {
  35                 $this->dba    = $dba;
  36                 $this->logger = $logger;
  37                 $this->l10n   = $l10n;
  38         }
  39
  40         /**
  41          * @inheritDoc
  42          */
  43         public function get(string $reference)
  44         {
  45                 $result = $this->dba->selectFirst('storage', ['data'], ['id' => $reference]);
  46                 if (!$this->dba->isResult($result)) {
  47                         return '';
  48                 }
  49
  50                 return $result['data'];
  51         }
  52
  53         /**
  54          * @inheritDoc
  55          */
  56         public function put(string $data, string $reference = '')
  57         {
  58                 if ($reference !== '') {
  59                         $result = $this->dba->update('storage', ['data' => $data], ['id' => $reference]);
  60                         if ($result === false) {
  61                                 $this->logger->warning('Failed to update data.', ['id' => $reference, 'errorCode' =>  $this->dba->errorNo(), 'errorMessage' => $this->dba->errorMessage()]);
  62                                 throw new StorageException($this->l10n->t('Database storage failed to update %s', $reference));
  63                         }
  64
  65                         return $reference;
  66                 } else {
  67                         $result = $this->dba->insert('storage', ['data' => $data]);
  68                         if ($result === false) {
  69                                 $this->logger->warning('Failed to insert data.', ['errorCode' =>  $this->dba->errorNo(), 'errorMessage' => $this->dba->errorMessage()]);
  70                                 throw new StorageException($this->l10n->t('Database storage failed to insert data'));
  71                         }
  72
  73                         return $this->dba->lastInsertId();
  74                 }
  75         }
  76
  77         /**
  78          * @inheritDoc
  79          */
  80         public function delete(string $reference)
  81         {
  82                 return $this->dba->delete('storage', ['id' => $reference]);
  83         }
  84
  85         /**
  86          * @inheritDoc
  87          */
  88         public function getOptions()
  89         {
  90                 return [];
  91         }
  92
  93         /**
  94          * @inheritDoc
  95          */
  96         public function saveOptions(array $data)
  97         {
  98                 return [];
  99         }
 100
 101         /**
 102          * @inheritDoc
 103          */
 104         public function __toString()
 105         {
 106                 return self::NAME;
 107         }
 108 }