/**
* Factory method that returns a Singleton instance of the ModelManager class
* that is used for performing CRUD actions on Models of the type specified.
*
* @param string $modelName The name of the Model whose manager we want to retrieve
* @return \Buan\ModelManager
*/
public static final function create($modelName)
{
// Vars
static $modelManagerInstances = [];
// Return instance if already created
if (isset($modelManagerInstances[$modelName])) {
return $modelManagerInstances[$modelName];
}
// Create new instance and return
$managerClassName = Inflector::modelName_modelManagerClass($modelName);
try {
$modelManagerInstances[$modelName] = new $managerClassName($modelName);
} catch (Exception $e) {
SystemLog::add($e->getMessage(), SystemLog::CORE);
$modelManagerInstances[$modelName] = new ModelManager($modelName);
}
return $modelManagerInstances[$modelName];
}
/**
* @param string $actionCommand Action to invoke (lower-hyphenated format, ie. action-command)
* @return View
*/
public final function invokeAction($actionCommand)
{
// Convert the action name to the format used for class method names
// (ie. ActionName)
$actionMethodName = Inflector::actionCommand_actionMethod($actionCommand);
// Disregard this invocation if the $actionMethodName is listed in the
// $allPrivateMethods array
if (in_array($actionMethodName, $this->allPrivateMethods)) {
return $this->unknown($this->params, $actionMethodName);
}
// Invoke the method (ensuring it's "public"), or the 'unknown' method
// if it doesn't exist
if (method_exists($this, $actionMethodName)) {
$r = new ReflectionClass($this);
$m = $r->getMethod($actionMethodName);
if (!$m->isPublic() || $m->getName() !== $actionMethodName) {
SystemLog::add(['Attempting to call a non-public action method: %s', $actionMethodName], SystemLog::FATAL);
return new View();
} else {
return $this->{$actionMethodName}($this->params);
}
} else {
return $this->unknown($this->params, $actionCommand);
}
}