forked from verdnatura/hedera-web
118 lines
2.7 KiB
PHP
118 lines
2.7 KiB
PHP
<?php
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require_once ('vn/web/json-request.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 DmsAdd extends Vn\Web\JsonRequest
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{
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function run ()
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{
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// XXX: Uncomment only to test the script
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//$_REQUEST['description'] = 'description';
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$this->login ();
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$db = $this->getSysConn ();
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$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 < $neededLevels)
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{
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if (is_dir ($docsDir))
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{
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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 $e)
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{
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$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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?>
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