/**
* @see SampleItemFactoryInterface::create()
* @param integer $sample_id
* @param integer $item_id
* @param integer $gid
* @param string $keywords
* @param string $description
* @param bool $parent
* @return bool
*/
public static function create($sample_id, $item_id, $gid, $keywords = null, $description = null, $parent_item_id = null, $parent_sample = false, $parent_is_parent_sample = false)
{
global $transaction;
if ($transaction->is_in_transction() == true) {
$sample = new Sample($sample_id);
$sample_item = new SampleItem($sample_id);
$sample_item->set_gid($gid);
$sample_item->set_parent($parent_sample);
// For parent sample only
$sample_item->set_parent_item_id($parent_item_id);
if ($sample_item->set_item_id($item_id) == false) {
return false;
}
if ($sample_item->link_item() == false) {
return false;
}
if (($class_name = $sample_item->is_classified()) == true) {
if ($sample_item->set_class($class_name) == false) {
return false;
}
}
$description_required = $sample_item->is_description();
$keywords_required = $sample_item->is_keywords();
if ($description_required == true xor $keywords_required == true) {
if ($description_required == false and $keywords_required == true) {
$sample_item->set_information(null, $keywords);
} else {
$sample_item->set_information($description, null);
}
} else {
if ($description_required == true and $keywords_required == true) {
$sample_item->set_information($description, $keywords);
}
}
$item_holder_type_array = Item::list_holders();
$item_holder_id_array = array();
if (is_array($item_holder_type_array) and count($item_holder_type_array) >= 1) {
foreach ($item_holder_type_array as $key => $value) {
$item_holder_id_array[$key] = $value::list_item_holders_by_item_id($sample->get_item_id());
if ($key == "sample" and $parent_is_parent_sample == true) {
$item_holder_id_array[$key] = array_merge($item_holder_id_array[$key], Sample_Wrapper::get_sample_id_and_gid_by_parent_sample_id($sample_id));
}
}
}
$item_holder_add_event = new ItemHolderAddEvent($item_holder_id_array, $sample->get_item_id(), $item_id, $gid);
$event_handler = new EventHandler($item_holder_add_event);
if ($event_handler->get_success() == false) {
return false;
}
return true;
} else {
return false;
}
}
/**
* @see SampleInterface::delete()
* @return bool
* @throws SampleDeleteLocationException
* @throws SampleDeleteUserException
* @throws SampleDeleteOrganisationUnitException
* @throws SampleDeleteItemException
* @throws SampleDeleteFolderException
* @throws SampleDeleteEventFailedException
* @throws SampleDeleteFailedException
* @throws SampleDeleteItemLinkException
* @throws SampleNoInstanceException
*/
public function delete()
{
global $transaction;
if ($this->sample_id and $this->sample) {
$transaction_id = $transaction->begin();
try {
array_push(self::$sample_delete_array, $this->sample_id);
$tmp_sample_id = $this->sample_id;
// Location Relations
$sample_has_location_array = SampleHasLocation_Access::list_entries_by_sample_id($tmp_sample_id);
if (is_array($sample_has_location_array) and count($sample_has_location_array) >= 1) {
foreach ($sample_has_location_array as $key => $value) {
$sample_has_location = new SampleHasLocation_Access($value);
if ($sample_has_location->delete() == false) {
throw new SampleDeleteLocationException();
}
}
}
// Organisation Unit and User Relations
$sample_security = new SampleSecurity($tmp_sample_id);
$organisation_unit_array = $sample_security->list_organisation_unit_entries();
if (is_array($organisation_unit_array) and count($organisation_unit_array) >= 1) {
foreach ($organisation_unit_array as $key => $value) {
if ($sample_security->delete_organisation_unit($value) == false) {
throw new SampleDeleteOrganisationUnitException();
}
}
}
$user_array = $sample_security->list_user_entries();
if (is_array($user_array) and count($user_array) >= 1) {
foreach ($user_array as $key => $value) {
if ($sample_security->delete_user($value) == false) {
throw new SampleDeleteUserException();
}
}
}
// Items
$sample_item = new SampleItem($tmp_sample_id);
$item_array = $sample_item->get_sample_items();
if (is_array($item_array) and count($item_array) >= 1) {
foreach ($item_array as $item_key => $item_value) {
$sample_item = new SampleItem($tmp_sample_id);
$sample_item->set_item_id($item_value);
if ($sample_item->unlink_item() == false) {
throw new SampleDeleteItemException();
}
}
}
// Parent-Sample-Sub-Item-Links
if (SampleItem::delete_remaining_sample_entries($tmp_sample_id) == false) {
throw new SampleDeleteItemException();
}
parent::delete();
$sample_delete_event = new SampleDeleteEvent($tmp_sample_id);
$event_handler = new EventHandler($sample_delete_event);
if ($event_handler->get_success() == false) {
throw new SampleDeleteEventFailedException();
}
$sample_is_item = new SampleIsItem_Access($tmp_sample_id);
if ($sample_is_item->delete() == false) {
throw new SampleDeleteItemLinkException();
}
if ($this->sample->delete() == false) {
throw new SampleDeleteFailedException();
} else {
$this->__destruct();
$folder_id = SampleFolder::get_folder_by_sample_id($tmp_sample_id);
$folder = Folder::get_instance($folder_id);
if ($folder->delete(true, true) == false) {
throw new SampleDeleteFolderException();
}
}
} catch (BaseException $e) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
throw $e;
}
if ($transaction_id != null) {
$transaction->commit($transaction_id);
}
return true;
} else {
throw new SampleNoInstanceException();
}
}
/**
* @see EventListenerInterface::listen_events()
* @param object $event_object
* @return bool
*/
public static function listen_events($event_object)
{
if ($event_object instanceof ItemDeleteEvent) {
$sample_item = new SampleItem(null);
$sample_item->set_item_id($event_object->get_item_id());
if ($sample_item->unlink_item_full() == false) {
return false;
}
}
return true;
}
