/**
* Save an existing Model object into the database.
* Will create, set and execute a dataset object as appropriately internally.
*
* @param boolean $useset Set to true to have this model use an INSERT_UPDATE statement instead of just UPDATE.
* @return bool
*/
protected function _saveExisting($useset = false) {
// If this model doesn't have any changes, don't save it!
if(!$this->changed()) return false;
$i = self::GetIndexes();
$s = self::GetSchema();
$n = $this->_getTableName();
// No primary schema defined or it's a string, (single value)... just don't make the in_array bail out.
$pri = isset($i['primary']) ? $i['primary'] : [];
if($pri && !is_array($pri)) $pri = [$pri];
if($pri && !is_array($pri)) $pri = [$pri];
// This is the dataset object that will be integral in this function.
$dat = new Core\Datamodel\Dataset();
$dat->table($n);
foreach($this->_columns as $c){
/** @var \Core\Datamodel\Columns\SchemaColumn $c */
if($c->type == Model::ATT_TYPE_ID || $c->type == Model::ATT_TYPE_UUID){
$dat->setID($c->field, $c->value);
}
elseif($c->changed()){
$dat->update($c->field, $c->getUpdateValue());
}
if (in_array($c->field, $pri)) {
// Any field keyed as a primary field sets the WHERE clause.
$dat->where($c->field, $c->getUpdateValue());
}
}
//var_dump($dat); die();
// No data.. nothing to change I guess!
// This is a failsafe should (for some reason), the changed() method doesn't return the correct value.
if(!sizeof($dat->_sets)){
return false;
}
//var_dump($dat); die('mep'); // DEBUG
$dat->execute($this->interface);
// IDs don't change in updates, else they wouldn't be the id.
return true;
}
/**
* Internal function to parse and handle the dataset in the <upgrade> and <install> tasks.
* This is used for installations and upgrades.
*
* Unlike the other parse functions, this handles a single node at a time.
*
* @param $node DOMElement
* @param $verbose bool
*
* @throws InstallerException
*/
private function _parseDatasetNode(DOMElement $node, $verbose = false){
$action = $node->getAttribute('action');
$table = $node->getAttribute('table');
$haswhere = false;
$sets = array();
$renames = array();
$ds = new Core\Datamodel\Dataset();
$ds->table($table);
foreach($node->getElementsByTagName('datasetset') as $el){
$sets[$el->getAttribute('key')] = $el->nodeValue;
}
foreach($node->getElementsByTagName('datasetrenamecolumn') as $el){
// <datasetrenamecolumn oldname="ID" newname="id"/>
$renames[$el->getAttribute('oldname')] = $el->getAttribute('newname');
}
foreach($node->getElementsByTagName('datasetwhere') as $el){
$haswhere = true;
$ds->where(trim($el->nodeValue));
}
switch($action){
case 'alter':
if(sizeof($sets)) throw new InstallerException('Invalid mix of arguments on ' . $action . ' dataset request, datasetset is not supported!');
if($haswhere) throw new InstallerException('Invalid mix of arguments on ' . $action . ' dataset request, datasetwhere is not supported!');
foreach($renames as $k => $v){
// ALTER TABLE `controllers` CHANGE `ID` `id` INT( 11 ) NOT NULL AUTO_INCREMENT
$ds->renameColumn($k, $v);
}
break;
case 'update':
foreach($sets as $k => $v){
$ds->update($k, $v);
}
break;
case 'insert':
foreach($sets as $k => $v){
$ds->insert($k, $v);
}
break;
case 'delete':
if(sizeof($sets)) throw new InstallerException('Invalid mix of arguments on ' . $action . ' dataset request');
if(!$haswhere) throw new InstallerException('Cowardly refusing to delete with no where statement');
$ds->delete();
break;
default:
throw new InstallerException('Invalid action type, '. $action);
}
// and GO!
if($verbose){
CLI::PrintActionStart('Executing dataset ' . $action . ' command on ' . $table);
}
$ds->execute();
if($ds->num_rows){
CLI::PrintActionStatus(true);
return array($action . ' on table ' . $table . ' affected ' . $ds->num_rows . ' records.');
}
else{
CLI::PrintActionStatus(false);
return false;
}
}
