/**
* Delete a Part and all its Parts.
*
* @param object Id $partId
*
* @throws object RepositoryException An exception with one of
* the following messages defined in
* org.osid.repository.RepositoryException may be thrown: {@link
* org.osid.repository.RepositoryException#OPERATION_FAILED
* OPERATION_FAILED}, {@link
* org.osid.repository.RepositoryException#PERMISSION_DENIED
* PERMISSION_DENIED}, {@link
* org.osid.repository.RepositoryException#CONFIGURATION_ERROR
* CONFIGURATION_ERROR}, {@link
* org.osid.repository.RepositoryException#UNIMPLEMENTED
* UNIMPLEMENTED}, {@link
* org.osid.repository.RepositoryException#NULL_ARGUMENT
* NULL_ARGUMENT}, {@link
* org.osid.repository.RepositoryException#UNKNOWN_ID UNKNOWN_ID}
*
* @access public
*/
function deletePart(Id $partId)
{
$string = $partId->getIdString();
if (preg_match("/(.*)-(FILE_SIZE|FILE_NAME|FILE_DATA|MIME_TYPE|THUMBNAIL_DATA|THUMBNAIL_MIME_TYPE)/", $string, $r)) {
$recordId = $r[1];
$field = $r[2];
if ($this->_isLastPart($field)) {
$dbHandler = Services::getService("DatabaseManager");
// Delete the data
$file = $this->_parts['FILE_DATA']->_getFilePath();
if (!unlink($file)) {
throwError(new Error(RepositoryException::OPERATION_FAILED() . ": '{$file}' could not be deleted.", "FileSystemFileRecord", true));
}
// Delete the thumbnail
$query = new DeleteQuery();
$query->setTable("dr_thumbnail");
$query->setWhere("fk_file = '" . $this->_id->getIdString() . "'");
$dbHandler->query($query, $this->_configuration->getProperty("database_index"));
// Delete the data row in case we were switching from another type
// that used it.
$query = new DeleteQuery();
$query->setTable("dr_file_data");
$query->setWhere("fk_file = '" . $this->_id->getIdString() . "'");
$dbHandler->query($query, $this->_configuration->getProperty("database_index"));
// delete the file row.
$query = new DeleteQuery();
$query->setTable("dr_file");
$query->setWhere("id = '" . $this->_id->getIdString() . "'");
$dbHandler->query($query, $this->_configuration->getProperty("database_index"));
} else {
if ($field != "FILE_SIZE") {
$this->_parts[$field]->updateValue("NULL");
}
}
} else {
throwError(new Error(RepositoryException::UNKNOWN_ID() . ": {$string}", "FileSystemFileRecord", true));
}
}
/**
* Update the value for this Part.
*
* @param object mixed $value (original type: java.io.Serializable)
*
* @throws object RepositoryException An exception with one of
* the following messages defined in
* org.osid.repository.RepositoryException may be thrown: {@link
* org.osid.repository.RepositoryException#OPERATION_FAILED
* OPERATION_FAILED}, {@link
* org.osid.repository.RepositoryException#PERMISSION_DENIED
* PERMISSION_DENIED}, {@link
* org.osid.repository.RepositoryException#CONFIGURATION_ERROR
* CONFIGURATION_ERROR}, {@link
* org.osid.repository.RepositoryException#UNIMPLEMENTED
* UNIMPLEMENTED}, {@link
* org.osid.repository.RepositoryException#NULL_ARGUMENT
* NULL_ARGUMENT}
*
* @access public
*/
function updateValue($value)
{
$file = $this->_getFilePath();
if (!($handle = fopen($file, 'w'))) {
throwError(new Error(RepositoryException::OPERATION_FAILED() . ": '{$file}' could not be opened for writing.", "FileSystemFileDataPart", true));
}
if (fwrite($handle, $value) === FALSE) {
fclose($handle);
throwError(new Error(RepositoryException::OPERATION_FAILED() . ": '{$file}' could not be written to.", "FileSystemFileDataPart", true));
}
fclose($handle);
// Check to see if the size is in the database
$dbHandler = Services::getService("DatabaseManager");
$query = new SelectQuery();
$query->addTable("dr_file");
$query->addColumn("COUNT(*) as count");
$query->addWhere("id = '" . $this->_recordId->getIdString() . "'");
$result = $dbHandler->query($query, $this->_configuration->getProperty("database_index"));
// If it already exists, use an update query.
if ($result->field("count") > 0) {
$query = new UpdateQuery();
$query->setTable("dr_file");
$query->setColumns(array("size"));
$query->setValues(array("'" . strlen($value) . "'"));
$query->addWhere("id = '" . $this->_recordId->getIdString() . "'");
} else {
$query = new InsertQuery();
$query->setTable("dr_file");
$query->setColumns(array("id", "size"));
$query->setValues(array("'" . $this->_recordId->getIdString() . "'", "'" . strlen($value) . "'"));
}
$result->free();
// run the query
$dbHandler->query($query, $this->_configuration->getProperty("database_index"));
$this->_asset->updateModificationDate();
}
/**
* Get the RecordStructure associated with this Asset's content.
*
* @return object RecordStructure
*
* @throws object RepositoryException An exception with one of
* the following messages defined in
* org.osid.repository.RepositoryException may be thrown: {@link
* org.osid.repository.RepositoryException#OPERATION_FAILED
* OPERATION_FAILED}, {@link
* org.osid.repository.RepositoryException#PERMISSION_DENIED
* PERMISSION_DENIED}, {@link
* org.osid.repository.RepositoryException#CONFIGURATION_ERROR
* CONFIGURATION_ERROR}, {@link
* org.osid.repository.RepositoryException#UNIMPLEMENTED
* UNIMPLEMENTED}
*
* @access public
*/
function getContentRecordStructure()
{
$idManager = Services::getService("Id");
$schemaMgr = Services::getService("SchemaManager");
$recordStructures = $this->_repository->getRecordStructures();
// Get the id of the Content DataSetTypeDef
$contentType = "edu.middlebury.harmoni.repository.asset_content";
$contentTypeId = $idManager->getId($contentType);
while ($recordStructures->hasNext()) {
$structure = $recordStructures->next();
if ($contentTypeId->isEqual($structure->getId())) {
return $structure;
}
}
throwError(new Error(RepositoryException::OPERATION_FAILED(), "Repository :: Asset", TRUE));
}
/**
* Delete a RecordStructure all Records in the repository that use it.
*
* WARNING: NOT IN OSID
*
* @param object Id $recordStructureId
* @return void
* @access public
* @since 6/6/06
*/
function deleteRecordStructure(Id $recordStructureId, $statusStars = null)
{
// Delete the Records that use this RecordStructure
$assets = $this->getAssets();
if (!is_null($statusStars)) {
$statusStars->initializeStatistics($assets->count());
}
while ($assets->hasNext()) {
$asset = $assets->next();
$records = $asset->getRecordsByRecordStructure($recordStructureId);
while ($records->hasNext()) {
$record = $records->next();
$asset->deleteRecord($record->getId());
}
if (!is_null($statusStars)) {
$statusStars->updateStatistics();
}
}
// Delete the Structure
$schemaMgr = Services::getService("SchemaManager");
$recordMgr = Services::getService("RecordManager");
$recordIdsForSchema = $recordMgr->getRecordIDsByType($recordStructureId->getIdString());
if (count($recordIdsForSchema)) {
throwError(new Error(RepositoryException::OPERATION_FAILED() . " when deleting RecordStructure: '" . $recordStructureId->getIdString() . "', Records exist for this RecordStructure.", "Repository", 1));
}
$schema = $schemaMgr->deleteSchema($recordStructureId->getIdString());
}
/**
* Delete a PartStucture
*
* @param object Id $partStructureId
* @return void
* @access public
* @since 6/8/06
*/
function deletePartStructure(Id $partStructureId)
{
// Delete the Structure
$schemaMgr = Services::getService("SchemaManager");
$recordMgr = Services::getService("RecordManager");
$partStructure = $this->getPartStructure($partStructureId);
$dummyValues = array(String::withValue('4000-02-05'));
$recordIdsWithValues = $recordMgr->getRecordSetIDsBySearch(new FieldValueSearch($this->_schema->getID(), $this->_schema->getFieldLabelFromID($partStructureId->getIdString()), new HarmoniIterator($dummyValues), SEARCH_TYPE_NOT_IN_LIST));
if (count($recordIdsWithValues)) {
throwError(new Error(RepositoryException::OPERATION_FAILED() . " when deleting RecordStructure: '" . $recordStructureId->getIdString() . "', Records exist for this RecordStructure.", "Repository", 1));
}
$sm = Services::getService("SchemaManager");
$this->_schema->deleteField($partStructureId->getIdString());
$sm->synchronize($this->_schema);
$partStructure = null;
}
