Implementing relational mapping test

This commit is contained in:
Dennis Eichhorn 2015-12-22 18:14:53 +01:00
parent d420a083e3
commit d2c35c5bce

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@ -166,6 +166,7 @@ abstract class DataMapperAbstract implements DataMapperInterface
*/
protected function extend($class)
{
/* todo: have to implement this in the queries, so far not used */
$this->collection['primaryField'][] = $class::$primaryField;
$this->collection['createdAt'][] = $class::$createdAt;
$this->collection['columns'][] = $class::$columns;
@ -235,6 +236,8 @@ abstract class DataMapperAbstract implements DataMapperInterface
*
* @return Builder
*
* @throws
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
@ -242,35 +245,81 @@ abstract class DataMapperAbstract implements DataMapperInterface
{
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->into(static::$table);
->into(static::$table);
$reflectionClass = new \ReflectionClass(get_class($obj));
$properties = $reflectionClass->getProperties();
foreach ($properties as $property) {
foreach (static::$columns as $key => $column) {
if ($column['internal'] === $property->getName()) {
$property->setAccessible(true);
$property->setAccessible(true);
$value = $property->getValue($obj);
if (isset(static::$hasMany[($pname = $property->getName())])) {
continue;
} else {
/* is not a has many property */
foreach (static::$columns as $key => $column) {
if ($column['internal'] === $pname) {
$value = $property->getValue($obj);
if ($column['type'] === 'DateTime') {
$value = isset($value) ? $value->format('Y-m-d H:i:s') : null;
if ($column['type'] === 'DateTime') {
$value = isset($value) ? $value->format('Y-m-d H:i:s') : null;
}
$query->insert($column['name'])
->value($value);
break;
}
$query->insert($column['name'])
->value($value);
// todo: do i have to reverse the accessibility or is there no risk involved here?
break;
}
}
// todo: do i have to reverse the accessibility or is there no risk involved here?
}
$this->db->con->prepare($query->toSql())->execute();
$objId = $this->db->con->lastInsertId();
// handle relations
foreach (static::$hasMany as $member => $rel) {
/* is a has many property */
$property = $reflectionClass->getProperty($member); // throws ReflectionException
$values = $property->getValue($obj);
$temp = end($values);
reset($values);
$pname = $property->getName();
if (is_object($temp)) {
// todo: only create if object doesn't exists... get primaryKey field, then get member name based on this
// now check if id is null or set.
$mapper = static::$hasMany[$pname]['mapper'];
$mapper = new $mapper($this->db);
$objsIds = [];
foreach ($values as $key => &$value) {
/* todo: I should set the objId here as well before inserting (if many->1)!!!! */
$objsIds[$key] = $mapper->create($value);
}
} elseif (is_numeric($temp) || is_string($temp)) {
$objsIds = $values;
continue; // I'm guesssing this is already a key!
} else {
throw new \Exception('Unexpected value for relational data mapping.');
}
if (isset(static::$hasMany[$pname]['table'])) {
/* is many->many */
$relQuery = new Builder($this->db);
$relQuery->prefix($this->db->getPrefix())
->into(static::$hasMany[$pname]['table']);
$relQuery->insert(static::$hasMany[$pname]['src'], static::$hasMany[$pname]['dst']);
foreach ($objsIds as $key => $src) {
$relQuery->values($src, $objId);
}
$this->db->con->prepare($relQuery->toSql())->execute();
}
}
$reflectionProperty = $reflectionClass->getProperty('id');
if (!($accessible = $reflectionProperty->isPublic())) {
@ -324,6 +373,41 @@ abstract class DataMapperAbstract implements DataMapperInterface
return $this->populateAbstract($result, $obj);
}
/**
* Populate data.
*
* @param array[] $result Result set
* @param mixed $obj Object to add the relations to
*
* @return mixed
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function populateRelations(array $result, &$obj)
{
foreach ($result as $member => $values) {
$reflectionClass = new \ReflectionClass(get_class($obj));
if ($reflectionClass->hasProperty($member)) {
$mapper = static::$hasMany[$member]['mapper'];
$mapper = new $mapper($this->db);
$objects = $mapper->get($values);
$reflectionProperty = $reflectionClass->getProperty($member);
if (!($accessible = $reflectionProperty->isPublic())) {
$reflectionProperty->setAccessible(true);
}
$reflectionProperty->setValue($obj, $objects);
if (!$accessible) {
$reflectionProperty->setAccessible(false);
}
}
}
}
/**
* Populate data.
*
@ -349,7 +433,7 @@ abstract class DataMapperAbstract implements DataMapperInterface
$reflectionProperty->setAccessible(true);
}
if (in_array(static::$columns[$column]['type'], ['string', 'int', 'float'])) {
if (in_array(static::$columns[$column]['type'], ['string', 'int', 'float', 'bool'])) {
settype($value, static::$columns[$column]['type']);
$reflectionProperty->setValue($obj, $value);
} elseif (static::$columns[$column]['type'] === 'DateTime') {
@ -447,19 +531,39 @@ abstract class DataMapperAbstract implements DataMapperInterface
* Get object.
*
* @param mixed $primaryKey Key
* @param \bool $relations Load relations
*
* @return mixed
*
* @since 1.0.0
* @author Dennis Eichhorn <d.eichhorn@oms.com>
*/
public function get($primaryKey)
public function get($primaryKey, \bool $relations = true)
{
$obj = $this->populate($this->getRaw($primaryKey));
$obj = [];
if (is_array($primaryKey)) {
foreach ($primaryKey as $key) {
$obj[$key] = $this->populate($this->getRaw($key));
}
} else {
$obj = $this->populate($this->getRaw($primaryKey));
}
if (isset($obj)) {
if ($relations && count(static::$hasMany) > 0) {
/* loading relations from relations table and populating them and then adding them to the object */
if (is_array($primaryKey)) {
foreach ($primaryKey as $key) {
$this->populateRelations($this->getRelationsRaw($key), $obj[$key]);
}
} else {
$this->populateRelations($this->getRelationsRaw($primaryKey), $obj);
}
}
return $obj;
} else {
/* Couldn't create object. Creating NullObject as placeholder */
$class = get_class($this);
$class = str_replace('Mapper', '', $class);
$class = explode('\\', $class);
@ -518,22 +622,20 @@ abstract class DataMapperAbstract implements DataMapperInterface
return $this->populateIterable($results);
}
public function getRelations($primaryKey) : array
public function getRelationsRaw($primaryKey) : array
{
$result = [];
foreach (static::$hasMany as $member => $value) {
if (!isset($value['mapper'])) {
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->select($value['table'] . '.' . $value['src'])
->from($value['table'])
->where($value['table'] . '.' . $value['dst'], '=', $primaryKey);
$query = new Builder($this->db);
$query->prefix($this->db->getPrefix())
->select($value['table'] . '.' . $value['src'])
->from($value['table'])
->where($value['table'] . '.' . $value['dst'], '=', $primaryKey);
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
$result[$member] = $sth->fetchAll(\PDO::FETCH_ASSOC);
}
$sth = $this->db->con->prepare($query->toSql());
$sth->execute();
$result[$member] = $sth->fetchAll(\PDO::FETCH_ASSOC);
}
return $result;