forked from verdnatura/hedera-web
107 lines
2.6 KiB
PHP
107 lines
2.6 KiB
PHP
<?php
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use Vn\Lib;
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/**
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* Adds a document to the Document Management System.
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**/
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class Add extends Vn\Web\JsonRequest {
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function run($db) {
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// XXX: Uncomment only to test the script
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//$_REQUEST['description'] = 'description';
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$description = empty($_REQUEST['description']) ?
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NULL : $_REQUEST['description'];
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$baseDir = _DATA_DIR .'/'. $this->app->getName();
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$docsDir = "$baseDir/dms";
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$tempDir = "$baseDir/.dms";
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$digXDir = 3;
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$zerosDir = '';
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for ($i = 0; $i < $digXDir; $i++)
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$zerosDir .= '0';
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// Checks document restrictions
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if (empty($_FILES['doc']['name']))
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throw new Lib\UserException('File not choosed');
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$maxSize = $db->getValue('SELECT max_size FROM dms_config');
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if ($_FILES['doc']['size'] > $maxSize * 1048576)
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throw new Lib\UserException(sprintf('File size exceeds size: %d MB', $maxSize));
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try {
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// Registers the document in the database
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$db->query('START TRANSACTION');
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$db->query('INSERT INTO dms_document SET description = #', [$description]);
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$docId =(string) $db->getValue('SELECT LAST_INSERT_ID()');
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$len = strlen($docId);
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$neededLevels = ceil($len / $digXDir) - 1;
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$dirLevels = $db->getValue(
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'SELECT dir_levels FROM dms_config LOCK IN SHARE MODE');
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if ($dirLevels > $neededLevels)
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$neededLevels = $dirLevels;
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// Reorganizes the file repository if necessary
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if ($dirLevels < $neededLevels)
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$dirLevels = $db->getValue(
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'SELECT dir_levels FROM dms_config FOR UPDATE');
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if ($dirLevels < $neededLevels) {
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if (is_dir($docsDir)) {
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$dif =($neededLevels - $dirLevels) - 1;
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$newDir = $docsDir;
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for ($i = 0; $i < $dif; $i++)
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$newDir .= "/$zerosDir";
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$success = rename($docsDir, $tempDir)
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&& mkdir($newDir, 0770, TRUE)
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&& rename($tempDir, "$newDir/$zerosDir");
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if (!$success)
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throw new Exception('Error while reorganizing directory tree');
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}
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$curLevels = $db->query('UPDATE dms_config SET dir_levels = #',
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[$neededLevels]);
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}
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// Saves the document to the repository
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$padLen =($neededLevels + 1) * $digXDir;
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$paddedId = str_pad($docId, $padLen, '0', STR_PAD_LEFT);
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$saveDir = $docsDir;
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for ($i = 0; $i < $neededLevels; $i++)
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$saveDir .= '/'. substr($paddedId, $i * $digXDir, $digXDir);
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if (!file_exists($saveDir))
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mkdir($saveDir, 0770, TRUE);
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$savePath = "$saveDir/". substr($paddedId, -$digXDir);
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move_uploaded_file($_FILES['doc']['tmp_name'], $savePath);
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$db->query('COMMIT');
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return $docId;
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}
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catch (Exception $e) {
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$db->query('ROLLBACK');
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throw $e;
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}
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}
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}
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