public static function defineClass($className, $extends = '')
{
// $namespace = 'Eddmash\PowerOrm\Migration\Model';
$namespace = '';
$use = '';
$extendedClass = '';
if (empty($extends) || Model::isModelBase($extends)) {
$extends = Model::getFullClassName();
} else {
$extendedClass = sprintf('%s%s', ClassHelper::getFormatNamespace($namespace, true), $extends);
$use = sprintf('use %s;', $extendedClass);
$extends = trim(substr($extends, strripos($extends, '\\')), '\\');
}
if (!StringHelper::isEmpty($extendedClass) && !ClassHelper::classExists($extendedClass, $namespace)) {
self::$deferedClasses[$extends][] = ['class' => $className, 'extends' => $extends];
return false;
}
$extends = ClassHelper::getNameFromNs($extends, $namespace);
$class = sprintf(self::getTemplate(), $namespace, $use, $className, $extends);
$className = sprintf('%s%s', ClassHelper::getFormatNamespace($namespace, true), $className);
if (ArrayHelper::hasKey(self::$deferedClasses, $className)) {
foreach (self::$deferedClasses[$className] as $deferedClass) {
self::defineClass($deferedClass['class'], $deferedClass['extends']);
}
}
if (!ClassHelper::classExists($className, $namespace)) {
eval($class);
}
return $className;
}
public function getConstructorArgs()
{
$constructorArgs = parent::getConstructorArgs();
if (isset($constructorArgs['meta']) && empty($constructorArgs['meta'])) {
unset($constructorArgs['meta']);
}
if (isset($constructorArgs['extends'])) {
if (StringHelper::isEmpty($constructorArgs['extends']) || Model::isModelBase($constructorArgs['extends'])) {
unset($constructorArgs['extends']);
} else {
$constructorArgs['extends'] = ClassHelper::getNameFromNs($constructorArgs['extends'], BaseOrm::getModelsNamespace());
}
}
return $constructorArgs;
}
/**
* Takes a model returns a ModelState representing it.
*
* @param Model $model
* @param bool|false $excludeRels
*
* @return static
*
* @throws TypeError
*
* @since 1.1.0
*
* @author Eddilbert Macharia (http://eddmash.com) <*****@*****.**>
*/
public static function fromModel($model, $excludeRels = false)
{
$fields = [];
/** @var $field Field */
foreach ($model->meta->localFields as $name => $field) {
try {
$fields[$name] = $field->deepClone();
} catch (\Exception $e) {
throw new TypeError(sprintf("Couldn't reconstruct field %s on %s: %s", $name, $model->meta->modelName));
}
}
if ($excludeRels == false) {
foreach ($model->meta->localManyToMany as $name => $field) {
try {
$fields[$name] = $field->deepClone();
} catch (\Exception $e) {
throw new TypeError(sprintf("Couldn't reconstruct field %s on %s: %s", $name, $model->meta->modelName));
}
}
}
$overrides = $model->meta->getOverrides();
$meta = [];
$ignore = ['registry'];
foreach ($overrides as $name => $value) {
if (in_array($name, $ignore)) {
continue;
}
$meta[$name] = $value;
}
$extends = '';
$parent = $model->getParent();
if (!$parent->isAbstract() && !Model::isModelBase($parent->getName())) {
$extends = ClassHelper::getNameFromNs($parent->getName(), BaseOrm::getModelsNamespace());
}
$kwargs = ['meta' => $meta, 'extends' => $extends];
return new static($model->meta->modelName, $fields, $kwargs);
}
/**
* @param Model $model
*
* @since 1.1.0
*
* @author Eddilbert Macharia (http://eddmash.com) <*****@*****.**>
*/
public function prepare($model)
{
if (empty($this->primaryKey)) {
if (!empty($this->parents)) {
$field = current(array_values($this->parents));
$field->primaryKey = true;
$this->setupPrimaryKey($field);
} else {
$field = AutoField::createObject(['verboseName' => 'ID', 'primaryKey' => true, 'autoCreated' => true]);
$model->addToClass('id', $field);
}
}
}
/**
* @ignore
*
* @return string
*/
public function __toString()
{
return $this->scopeModel->getFullClassName() . '->' . $this->name;
}
/**
* Creates an intermediary model.
*
* @param ManyToManyField $field
* @param Model $model
*
* @return Model
*
* @since 1.1.0
*
* @author Eddilbert Macharia (http://eddmash.com) <*****@*****.**>
*/
public function createManyToManyIntermediaryModel($field, $model)
{
$modelName = $model->meta->modelName;
if (is_string($field->relation->toModel)) {
$toModelName = Tools::resolveRelation($model, $field->relation->toModel);
} else {
$toModelName = $field->relation->toModel->meta->modelName;
}
$className = sprintf('%1$s_%2$s', $modelName, $field->name);
$intermediaryClass = 'class %1$s extends %2$s{
public function fields(){}
}';
$intermediaryClass = sprintf($intermediaryClass, $className, Model::getFullClassName());
if (!class_exists($className, false)) {
eval($intermediaryClass);
}
$from = strtolower($modelName);
$to = strtolower($toModelName);
if ($from == $to) {
$to = sprintf('to_%s', $to);
$from = sprintf('from_%s', $from);
}
$fields = [$from => ForeignKey::createObject(['to' => $modelName, 'dbConstraint' => $field->relation->dbConstraint, 'onDelete' => Delete::CASCADE]), $to => ForeignKey::createObject(['to' => $toModelName, 'dbConstraint' => $field->relation->dbConstraint, 'onDelete' => Delete::CASCADE])];
$meta = ['dbTable' => $field->_getM2MDbTable($model->meta), 'verboseName' => sprintf('%s-%s relationship', $from, $to), 'uniqueTogether' => [$from, $to], 'autoCreated' => true];
$className = '\\' . $className;
/** @var $intermediaryObj Model */
$intermediaryObj = new $className();
$intermediaryObj->init($fields, ['meta' => $meta, 'registry' => $field->scopeModel->meta->registry]);
return $intermediaryObj;
}
