function delete_item_cascaded($item_id)
{
if (db_query("LOCK TABLES item WRITE, item_attribute WRITE, item_instance WRITE")) {
if (delete_item_attributes($item_id, NULL, NULL, NULL)) {
if (delete_item($item_id)) {
// Can't forget to unlock table.
db_query("UNLOCK TABLES");
return TRUE;
} else {
// Can't forget to unlock table.
db_query("UNLOCK TABLES");
return FALSE;
}
} else {
// Can't forget to unlock table.
db_query("UNLOCK TABLES");
return FALSE;
}
} else {
opendb_logger(OPENDB_LOG_ERROR, __FILE__, __FUNCTION__, db_error(), array($item_id));
return FALSE;
}
}
function handle_item_delete($item_r, $status_type_r, $HTTP_VARS, &$errors, $delete_with_closed_borrow_records = NULL)
{
if ($item_r['owner_id'] != get_opendb_session_var('user_id') && !is_user_granted_permission(PERM_ITEM_ADMIN)) {
$errors = array('error' => get_opendb_lang_var('cannot_delete_item_not_owned'), 'detail' => '');
opendb_logger(OPENDB_LOG_WARN, __FILE__, __FUNCTION__, 'User to delete item instance they do not own', $item_r);
return FALSE;
}
if ($status_type_r['delete_ind'] != 'Y') {
$errors = array('error' => get_opendb_lang_var('operation_not_avail_s_status_type', 's_status_type_desc', $status_type_r['description']), 'detail' => '');
opendb_logger(OPENDB_LOG_WARN, __FILE__, __FUNCTION__, 'Attempted to delete item instance with a status that prevents the item being deleted', $item_r);
return FALSE;
}
if (is_exists_item_instance_relationship($item_r['item_id'], $item_r['instance_no'])) {
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => get_opendb_lang_var('item_related_to_other_items'));
opendb_logger(OPENDB_LOG_WARN, __FILE__, __FUNCTION__, 'User attempted to to delete item with related items', $item_r);
return FALSE;
}
if (is_item_reserved_or_borrowed($item_r['item_id'], $item_r['instance_no'])) {
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => get_opendb_lang_var('item_reserved_or_borrowed'));
opendb_logger(OPENDB_LOG_WARN, __FILE__, __FUNCTION__, 'User attempted to to delete item with active reservation(s)', $item_r);
return FALSE;
}
$inactive_borrowed_items_exist = FALSE;
if (is_exists_item_instance_borrowed_item($item_r['item_id'], $item_r['instance_no'])) {
if (get_opendb_config_var('item_input', 'allow_delete_with_closed_or_cancelled_borrow_records') !== TRUE) {
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => get_opendb_lang_var('item_has_inactive_borrowed_item'));
opendb_logger(OPENDB_LOG_WARN, __FILE__, __FUNCTION__, 'User attempted to to delete item with inactive reservation(s)', $item_r);
return FALSE;
} else {
$inactive_borrowed_items_exist = TRUE;
}
}
if ($HTTP_VARS['confirmed'] == 'true' || $inactive_borrowed_items_exist !== TRUE && get_opendb_config_var('item_input', 'confirm_item_delete') === FALSE) {
if ($inactive_borrowed_items_exist) {
if (!delete_item_instance_inactive_borrowed_items($item_r['item_id'], $item_r['instance_no'])) {
$db_error = db_error();
$errors = array('error' => get_opendb_lang_var('undefined_error'), 'detail' => $db_error);
return FALSE;
}
}
if (!is_exists_item_instance_borrowed_item($item_r['item_id'], $item_r['instance_no'])) {
delete_related_item_instance_relationship($item_r['item_id'], $item_r['instance_no'], $HTTP_VARS['parent_item_id'], $HTTP_VARS['parent_instance_no']);
if (!is_exists_related_item_instance_relationship($item_r['item_id'], $item_r['instance_no'])) {
if (!delete_item_instance($item_r['item_id'], $item_r['instance_no'])) {
$db_error = db_error();
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => $db_error);
return FALSE;
}
} else {
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => get_opendb_lang_var('item_related_to_other_items'));
opendb_logger(OPENDB_LOG_WARN, __FILE__, __FUNCTION__, 'User attempted to to delete item with attached item instance relationship record(s)', $item_r);
return FALSE;
}
} else {
if (is_item_reserved_or_borrowed($item_r['item_id'], $item_r['instance_no'])) {
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => get_opendb_lang_var('item_reserved_or_borrowed'));
} else {
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => get_opendb_lang_var('item_has_inactive_borrowed_item'));
}
return FALSE;
}
// If child and no more instance left,
// proceed with item and item_attribute delete.
if (!is_exists_item_instance($item_r['item_id'], NULL)) {
// Get rid of all reviews.
if (is_item_reviewed($item_r['item_id'])) {
delete_reviews($item_r['item_id']);
}
delete_item_attributes($item_r['item_id'], $item_r['instance_no']);
if (!delete_item($item_r['item_id'])) {
$db_error = db_error();
$errors = array('error' => get_opendb_lang_var('item_not_deleted'), 'detail' => $db_error);
return FALSE;
}
// As long as delete_item has worked, we do not care about anything else.
return TRUE;
}
} else {
if ($HTTP_VARS['confirmed'] != 'false') {
if ($inactive_borrowed_items_exist) {
return "__CONFIRM_INACTIVE_BORROW__";
} else {
return "__CONFIRM__";
}
} else {
// confirmation required.
return "__ABORTED__";
}
}
}
/**
*/
function _insert_or_update_item_attributes($item_id, $instance_no, $s_item_type, $s_attribute_type, $order_no, $attribute_val_r, $file_r = NULL)
{
$is_lookup_attribute_type = is_lookup_attribute_type($s_attribute_type);
$attribute_val_r = validate_attribute_val_r($attribute_val_r, $is_lookup_attribute_type);
// if not instance item attribute, then discard the $instance_no
if (!is_instance_item_attribute_type($s_item_type, $s_attribute_type)) {
$instance_no = NULL;
}
$is_file_resource_attribute_type = is_file_resource_attribute_type($s_attribute_type);
if (db_query("LOCK TABLES item_attribute WRITE, item_attribute AS ia READ, s_attribute_type AS sat READ")) {
$item_attribute_type_rs = fetch_arrayof_item_attribute_rs($item_id, $instance_no, $s_attribute_type, $order_no);
// if same number of attributes, then we can perform an update only.
if (count($item_attribute_type_rs) > 0 && count($item_attribute_type_rs) == count($attribute_val_r)) {
$op = 'update';
} else {
if (count($item_attribute_type_rs) == 0 || delete_item_attributes($item_id, $instance_no, $s_attribute_type, $order_no)) {
$op = 'insert';
} else {
// if this occurs then the delete_item_attributes function returned FALSE, and that failure would have been logged.
db_query("UNLOCK TABLES");
return FALSE;
}
}
// if there is actually something to insert at this point.
if (count($attribute_val_r) > 0) {
$file_attributes_r = NULL;
for ($i = 0; $i < count($attribute_val_r); $i++) {
$attribute_no = $i + 1;
if ($is_lookup_attribute_type) {
if ($op == 'insert') {
insert_item_attribute($item_id, $instance_no, $s_attribute_type, $order_no, $attribute_no, $attribute_val_r[$i], NULL);
} else {
if ($item_attribute_type_rs[$i]['lookup_attribute_val'] != $attribute_val_r[$i]) {
update_item_attribute($item_id, $instance_no, $s_attribute_type, $order_no, $attribute_no, $attribute_val_r[$i], NULL);
}
}
} else {
if ($is_file_resource_attribute_type) {
if (is_array($file_r) && is_uploaded_file($file_r['tmp_name'])) {
if ($item_attribute_type_rs[$i]['attribute_val'] != $attribute_val_r[$i] && is_exists_upload_file_item_attribute($attribute_val_r[$i])) {
$attribute_val_r[$i] = get_unique_filename($attribute_val_r[$i]);
}
if (!save_uploaded_file($file_r['tmp_name'], $attribute_val_r[$i])) {
$attribute_val_r[$i] = NULL;
}
$file_attributes_rs[] = array('file_attribute_ind' => 'Y', 'attribute_no' => $attribute_no, 'attribute_val' => $attribute_val_r[$i]);
} else {
$file_attributes_rs[] = array('attribute_no' => $attribute_no, 'attribute_val' => $attribute_val_r[$i]);
}
}
if (strlen($attribute_val_r[$i]) > 0) {
if ($op == 'insert') {
insert_item_attribute($item_id, $instance_no, $s_attribute_type, $order_no, $attribute_no, NULL, $attribute_val_r[$i]);
} else {
if ($item_attribute_type_rs[$i]['attribute_val'] != $attribute_val_r[$i]) {
update_item_attribute($item_id, $instance_no, $s_attribute_type, $order_no, $attribute_no, NULL, $attribute_val_r[$i]);
}
}
}
}
}
db_query("UNLOCK TABLES");
if (is_array($file_attributes_rs)) {
while (list(, $file_attribute_r) = each($file_attributes_rs)) {
file_cache_insert_file($file_attribute_r['attribute_val'], NULL, NULL, NULL, 'ITEM', $file_attribute_r['file_attribute_ind'] == 'Y');
}
}
} else {
db_query("UNLOCK TABLES");
}
return TRUE;
} else {
opendb_logger(OPENDB_LOG_ERROR, __FILE__, __FUNCTION__, db_error(), array($item_id, $instance_no, $s_item_type, $s_attribute_type, $order_no, $attribute_val_r, $file_r));
return FALSE;
}
}
