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DmsLib: replaced _writeFile function with _copyFile to copy all file in one go (php copy method) instead of reading blocks and writing them

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This commit is contained in:
KarpAlex
2022-07-27 01:52:08 +02:00
parent 500bbec2c1
commit 0055243a64
1 changed files with 118 additions and 169 deletions
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application/libraries/DmsLib.php
+118 -169
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@@ -50,62 +50,57 @@ class DmsLib
$kategorie_kurzbz = null, $dokument_kurzbz = null, $beschreibung = null, $cis_suche = false, $schlagworte = null
)
{
// write file with content of fileHandle
$writeFileResult = $this->_writeNewFile($name, $fileHandle);
// create unique filename, using original document name to detect file extension
$filename = $this->_getUniqueFilename($name);
if (isError($writeFileResult)) return $writeFileResult;
// copy file from fileHandle to dms folder
$copyFileResult = $this->_copyFile($fileHandle, $filename);
if (hasData($writeFileResult))
if (isError($copyFileResult)) return $copyFileResult;
// if file written successful, insert dms
$dmsResult = $this->_ci->DmsModel->insert(
array(
'kategorie_kurzbz' => $kategorie_kurzbz,
'dokument_kurzbz' => $dokument_kurzbz
)
);
if (isError($dmsResult)) return $dmsResult;
if (hasData($dmsResult))
{
$writeFileData = getData($writeFileResult);
$filename = $writeFileData->filename;
$dms_id = getData($dmsResult);
$version = 0;
// if file written successful, insert dms
$dmsResult = $this->_ci->DmsModel->insert(
array(
'kategorie_kurzbz' => $kategorie_kurzbz,
'dokument_kurzbz' => $dokument_kurzbz
)
// insert dms version
$dmsVersion = array(
'dms_id' => $dms_id,
'version' => $version,
'filename' => $filename,
'mimetype' => $mimetype,
'name' => $name,
'beschreibung' => $beschreibung,
'cis_suche' => $cis_suche,
'schlagworte' => $schlagworte,
'insertvon' => $this->_who,
'insertamum' => date('Y-m-d H:i:s')
);
if (isError($dmsResult)) return $dmsResult;
$dmsVersionResult = $this->_ci->DmsVersionModel->insert($dmsVersion);
if (hasData($dmsResult))
{
$dms_id = getData($dmsResult);
$version = 0;
if (isError($dmsVersionResult)) return $dmsVersionResult;
// insert dms version
$dmsVersion = array(
'dms_id' => $dms_id,
'version' => $version,
'filename' => $filename,
'mimetype' => $mimetype,
'name' => $name,
'beschreibung' => $beschreibung,
'cis_suche' => $cis_suche,
'schlagworte' => $schlagworte,
'insertvon' => $this->_who,
'insertamum' => date('Y-m-d H:i:s')
);
// return dms info
$resObj = new stdClass();
$resObj->dms_id = $dms_id;
$resObj->version = $version;
$resObj->filename = $filename;
$dmsVersionResult = $this->_ci->DmsVersionModel->insert($dmsVersion);
if (isError($dmsVersionResult)) return $dmsVersionResult;
// return dms info
$resObj = new stdClass();
$resObj->dms_id = $dms_id;
$resObj->version = $version;
$resObj->filename = $filename;
return success($resObj);
}
else
return error("error when inserting DMS");
return success($resObj);
}
else
return error("file could not be written");
return error("error when inserting DMS");
}
/**
@@ -125,46 +120,41 @@ class DmsLib
$originalName = isset($name) ? $name : $lastVersion->name;
// write new file with content of fileHandle
$writeFileResult = $this->_writeNewFile($originalName, $fileHandle);
// create unique filename, using original document name to detect file extension
$filename = $this->_getUniqueFilename($originalName);
if (isError($writeFileResult)) return $writeFileResult;
// copy file from fileHandle to dms folder
$copyFileResult = $this->_copyFile($fileHandle, $filename);
if (hasData($writeFileResult))
{
$writeFileData = getData($writeFileResult);
$filename = $writeFileData->filename;
if (isError($copyFileResult)) return $copyFileResult;
// insert new version
$newVersionNumber = $lastVersion->version + 1;
// insert new version
$newVersionNumber = $lastVersion->version + 1;
// if new parameters given, use them, otherwise use parameters from last version
$newVersion = array(
'dms_id' => $dms_id,
'name' => $originalName,
'filename' => $filename,
'version' => $newVersionNumber,
'mimetype' => isset($mimetype) ? $mimetype : $lastVersion->mimetype,
'beschreibung' => isset($beschreibung) ? $beschreibung : $lastVersion->beschreibung,
'cis_suche' => isset($cis_suche) ? $cis_suche : $lastVersion->cis_suche,
'schlagworte' => isset($schlagworte) ? $schlagworte : $lastVersion->schlagworte,
'insertvon' => $this->_who,
'insertamum' => date('Y-m-d H:i:s')
);
// if new parameters given, use them, otherwise use parameters from last version
$newVersion = array(
'dms_id' => $dms_id,
'name' => $originalName,
'filename' => $filename,
'version' => $newVersionNumber,
'mimetype' => isset($mimetype) ? $mimetype : $lastVersion->mimetype,
'beschreibung' => isset($beschreibung) ? $beschreibung : $lastVersion->beschreibung,
'cis_suche' => isset($cis_suche) ? $cis_suche : $lastVersion->cis_suche,
'schlagworte' => isset($schlagworte) ? $schlagworte : $lastVersion->schlagworte,
'insertvon' => $this->_who,
'insertamum' => date('Y-m-d H:i:s')
);
$addVersionResult = $this->_ci->DmsVersionModel->insert($newVersion);
$addVersionResult = $this->_ci->DmsVersionModel->insert($newVersion);
if (isError($addVersionResult)) return $addVersionResult;
if (isError($addVersionResult)) return $addVersionResult;
// return dms info
$resObj = new stdClass();
$resObj->version = $newVersionNumber;
$resObj->filename = $filename;
// return dms info
$resObj = new stdClass();
$resObj->version = $newVersionNumber;
$resObj->filename = $filename;
return success($resObj);
}
else
return error("file could not be written");
return success($resObj);
}
else
return error("last version not found");
@@ -185,44 +175,37 @@ class DmsLib
if (hasData($lastVersionResult))
{
$lastVersion = getData($lastVersionResult);
$filename = $lastVersion->filename;
// update file in filesystem
$writeFileResult = $this->_writeFile($lastVersion->filename, $fileHandle);
$copyFileResult = $this->_copyFile($fileHandle, $filename);
if (isError($writeFileResult)) return $writeFileResult;
if (isError($copyFileResult)) return $copyFileResult;
if (hasData($writeFileResult))
{
$writeFileData = getData($writeFileResult);
$filename = $writeFileData->filename;
// if new parameters given, use them, otherwise use parameters from last version
$newVersion = array(
'name' => isset($name) ? $name : $lastVersion->name,
'filename' => $filename,
'mimetype' => isset($mimetype) ? $mimetype : $lastVersion->mimetype,
'beschreibung' => isset($beschreibung) ? $beschreibung : $lastVersion->beschreibung,
'cis_suche' => isset($cis_suche) ? $cis_suche : $lastVersion->cis_suche,
'schlagworte' => isset($schlagworte) ? $schlagworte : $lastVersion->schlagworte,
);
// if new parameters given, use them, otherwise use parameters from last version
$newVersion = array(
'name' => isset($name) ? $name : $lastVersion->name,
'filename' => $filename,
'mimetype' => isset($mimetype) ? $mimetype : $lastVersion->mimetype,
'beschreibung' => isset($beschreibung) ? $beschreibung : $lastVersion->beschreibung,
'cis_suche' => isset($cis_suche) ? $cis_suche : $lastVersion->cis_suche,
'schlagworte' => isset($schlagworte) ? $schlagworte : $lastVersion->schlagworte,
);
// update last dms version
$addVersionResult = $this->_ci->DmsVersionModel->update(
array($dms_id, $lastVersion->version),
$newVersion
);
// update last dms version
$addVersionResult = $this->_ci->DmsVersionModel->update(
array($dms_id, $lastVersion->version),
$newVersion
);
if (isError($addVersionResult)) return $addVersionResult;
if (isError($addVersionResult)) return $addVersionResult;
// return dms info
$resObj = new stdClass();
$resObj->version = $lastVersion->version;
$resObj->filename = $filename;
// return dms info
$resObj = new stdClass();
$resObj->version = $lastVersion->version;
$resObj->filename = $filename;
return success($resObj);
}
else
return error("file could not be written");
return success($resObj);
}
else
return error("last version not found");
@@ -441,68 +424,35 @@ class DmsLib
// Private methods
/**
* Writes file with content of fileHandle using original document name for file extension
* Copies file from sourceFileHandle to destinationFilename in DMS folder
* Returns success or error on fail
*/
private function _writeNewFile($originalName, $fileHandle)
private function _copyFile($sourceFileHandle, $destinationFilename)
{
// create unique filename, using original document name to detect file extension
$filename = $this->_getUniqueFilename($originalName);
// get file location from file handle
$metaData = stream_get_meta_data($sourceFileHandle);
// write the file
return $this->_writeFile($filename, $fileHandle);
}
/**
* Writes file with content of fileHandle
* Returns number of bytes written and filename
*/
private function _writeFile($filename, $fileHandle)
{
// file content provided by fileHandle
$fileContent = '';
$readBlockResult = success();
// While the end of the file is not reached and the read does not fail
while (!feof($fileHandle) && isSuccess($readBlockResult = $this->_ci->DmsFSModel->readBlock($fileHandle)))
if (isset($metaData['uri']) && !isEmptyString($metaData['uri']))
{
// Concatenate the content of the file
$fileContent .= getData($readBlockResult);
// if file location determined, copy file
$source = $metaData['uri'];
if (copy($source, DMS_PATH.$destinationFilename))
{
return success();
}
else
{
// error if copy returned false
return error('error occured while copying file');
}
}
// If an error occurred while reading then return it
if (isError($readBlockResult)) return $readBlockResult;
// open file for writing
$openFileResult = $this->_ci->DmsFSModel->openReadWrite($filename);
if (isError($openFileResult)) return $openFileResult;
if (!hasData($openFileResult)) return error("File could not be opened");
$newFileHandle = getData($openFileResult);
// write file
$writeFileResult = $this->_ci->DmsFSModel->write($newFileHandle, $fileContent);
if (isError($writeFileResult)) return $writeFileResult;
// return number of bytes written and filename
$resObj = new stdClass();
$resObj->bytesWritten = 0;
$resObj->filename = '';
if (hasData($writeFileResult))
else
{
$resObj->bytesWritten = getData($writeFileResult);
$resObj->filename = $filename;
// error when source location could not be determined
return error('error occured while getting source file name');
}
// close handle
$closeResult = $this->_ci->DmsFSModel->close($newFileHandle, $fileContent);
if (isError($closeResult)) return $closeResult;
return success($resObj);
}
@@ -527,7 +477,7 @@ class DmsLib
// -----------------------------------------------------------------------------------------------------------
// Deprecated methods, not to be used
/**
* Load a DMS Document.
* If no version is particularly given, the latest version is loaded.
@@ -543,7 +493,7 @@ class DmsLib
$this->_ci->DmsModel->addJoin('campus.tbl_dms_version', 'dms_id');
$this->_ci->DmsModel->addOrder('version', 'DESC');
$this->_ci->DmsModel->addLimit(1);
if (!is_numeric($version))
{
return $this->_ci->DmsModel->load($dms_id);
@@ -620,7 +570,7 @@ class DmsLib
return $result;
}
/**
* Uploads a document and saves it to DMS
* @param $dms DMS assoc array
@@ -659,7 +609,7 @@ class DmsLib
// Return result of uploaded data
return success($upload_data);
}
/**
* Download a document.
*
@@ -678,7 +628,7 @@ class DmsLib
if (hasData($fileInfoResult))
{
$fileObj = getData($fileInfoResult);
// Change filename, if filename is provided
if (!isEmptyString($filename)) $fileObj->name = $filename;
@@ -694,7 +644,7 @@ class DmsLib
// If no data have been found then return an empty success
return success();
}
/**
* Get file information.
*
@@ -706,7 +656,7 @@ class DmsLib
{
// Checks the dms_id parameter
if (!is_numeric($dms_id)) return error('Wrong parameter');
// Load DMS from database
$result = $this->load($dms_id, $version);
if (isError($result)) return error(getError($result));
@@ -951,4 +901,3 @@ class DmsLib
$this->_ci->upload->initialize($config);
}
}