144 lines
3.7 KiB
PHP
144 lines
3.7 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Model\Storage;
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use Exception;
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use Friendica\Database\Database as DBA;
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/**
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* Database based storage system
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*
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* This class manage data stored in database table.
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*/
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class Database implements ISelectableStorage
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{
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const NAME = 'Database';
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/** @var DBA */
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private $dba;
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/**
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* @param DBA $dba
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*/
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public function __construct(DBA $dba)
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{
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$this->dba = $dba;
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}
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/**
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* @inheritDoc
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*/
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public function get(string $reference): string
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{
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try {
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$result = $this->dba->selectFirst('storage', ['data'], ['id' => $reference]);
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if (!$this->dba->isResult($result)) {
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throw new ReferenceStorageException(sprintf('Database storage cannot find data for reference %s', $reference));
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}
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return $result['data'];
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} catch (Exception $exception) {
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if ($exception instanceof ReferenceStorageException) {
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throw $exception;
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} else {
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throw new StorageException(sprintf('Database storage failed to get %s', $reference), $exception->getCode(), $exception);
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}
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}
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}
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/**
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* @inheritDoc
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*/
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public function put(string $data, string $reference = ''): string
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{
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if ($reference !== '') {
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try {
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$result = $this->dba->update('storage', ['data' => $data], ['id' => $reference]);
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} catch (Exception $exception) {
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throw new StorageException(sprintf('Database storage failed to update %s', $reference), $exception->getCode(), $exception);
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}
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if ($result === false) {
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throw new StorageException(sprintf('Database storage failed to update %s', $reference), 500, new Exception($this->dba->errorMessage(), $this->dba->errorNo()));
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}
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return $reference;
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} else {
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try {
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$result = $this->dba->insert('storage', ['data' => $data]);
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} catch (Exception $exception) {
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throw new StorageException(sprintf('Database storage failed to insert %s', $reference), $exception->getCode(), $exception);
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}
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if ($result === false) {
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throw new StorageException(sprintf('Database storage failed to update %s', $reference), 500, new Exception($this->dba->errorMessage(), $this->dba->errorNo()));
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}
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return $this->dba->lastInsertId();
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}
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}
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/**
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* @inheritDoc
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*/
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public function delete(string $reference)
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{
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try {
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if (!$this->dba->delete('storage', ['id' => $reference])) {
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throw new ReferenceStorageException(sprintf('Database storage failed to delete %s', $reference));
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}
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} catch (Exception $exception) {
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if ($exception instanceof ReferenceStorageException) {
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throw $exception;
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} else {
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throw new StorageException(sprintf('Database storage failed to delete %s', $reference), $exception->getCode(), $exception);
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}
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}
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}
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/**
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* @inheritDoc
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*/
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public function getOptions(): array
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{
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return [];
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}
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/**
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* @inheritDoc
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*/
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public function saveOptions(array $data): array
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{
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return [];
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}
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/**
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* @inheritDoc
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*/
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public static function getName(): string
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{
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return self::NAME;
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}
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public function __toString()
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{
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return self::getName();
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}
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}
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