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Copy pathEntity.php
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457 lines (382 loc) · 11.7 KB
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<?php
namespace UniMapper;
use UniMapper\Entity\Collection;
use UniMapper\Entity\Reflection;
use UniMapper\Entity\Reflection\Property\Option\Computed;
abstract class Entity implements \JsonSerializable, \Serializable, \IteratorAggregate
{
public static $dateFormat = "Y-m-d";
const CHANGE_ATTACH = 1;
const CHANGE_DETACH = 2;
const CHANGE_ADD = 3;
const CHANGE_REMOVE = 4;
/** @var array $data Stored variables */
private $data = [];
/** @var \UniMapper\Validator $validator */
private $validator;
/** @var array $changes Properties with changes */
private $changes = [];
/** @var integer $change */
private $changeType;
/**
* @param mixed $values
*/
public function __construct($values = null)
{
if ($values) {
$this->_setProperties($values, true, true, true, true);
}
}
private function _setProperties(
$values,
$autoConvert = true,
$skipUndefined = false,
$setReadonly = false,
$skipUnwritable = false
) {
if (!Validator::isTraversable($values)) {
throw new Exception\InvalidArgumentException(
"Values must be traversable data!",
$values
);
}
$reflection = $this::getReflection();
foreach ($values as $name => $value) {
// Undefined
if (!$reflection->hasProperty($name)) {
if ($skipUndefined) {
continue;
}
throw new Exception\InvalidArgumentException(
"Undefined property '" . $name . "'!"
);
}
$property = $reflection->getProperty($name);
// Computed
if ($property->hasOption(Computed::KEY)) {
if ($skipUnwritable) {
continue;
}
throw new Exception\InvalidArgumentException(
"Computed property is read-only!"
);
}
// Readonly
if (!$property->isWritable() && !$setReadonly) {
if ($skipUnwritable) {
continue;
}
throw new Exception\InvalidArgumentException(
"Property '" . $name . "' is read-only!"
);
}
// Validate type
try {
$property->validateValueType($value);
} catch (Exception\InvalidArgumentException $e) {
if ($autoConvert) {
$value = $property->convertValue($value);
} else {
throw $e;
}
}
// Set value
$this->data[$name] = $value;
}
}
private function _validateChangeType($primaryRequired = false)
{
$reflection = $this::getReflection();
if (!$reflection->hasPrimary()) {
throw new Exception\InvalidArgumentException(
"Only entity with primary can define changes!"
);
}
$primaryName = $reflection->getPrimaryProperty()->getName();
if ($primaryRequired && empty($this->{$primaryName})) {
throw new Exception\InvalidArgumentException(
"Primary value can not be empty!"
);
}
}
/**
* Create new entity collection
*
* @param mixed $values
*
* @return Collection
*/
public static function createCollection($values = null)
{
return new Collection(get_called_class(), $values);
}
public function attach()
{
$this->_validateChangeType(true);
$this->changeType = self::CHANGE_ATTACH;
}
public function detach()
{
$this->_validateChangeType();
$this->changeType = self::CHANGE_DETACH;
}
public function add()
{
$this->_validateChangeType();
$this->changeType = self::CHANGE_ADD;
}
public function remove()
{
$this->_validateChangeType(true);
$this->changeType = self::CHANGE_REMOVE;
}
/**
* Serialize entity data and public properties
*
* @return string
*/
public function serialize()
{
return serialize($this->data);
}
public function unserialize($data)
{
foreach (unserialize($data) as $name => $value) {
$this->{$name} = $value;
}
}
/**
* Import and try to convert values automatically if possible, skip readonly
* and undefined.
*
* @param mixed $values Traversable structure (array/object)
*/
public function import($values)
{
$this->_setProperties($values, true, true, false, true);
}
/**
* Manage entity and collection changes on target property
*
* @param string $name
* @param array $arguments
*
* @return Entity|Entity\Collection
*
* @throws Exception\InvalidArgumentException
*/
public function __call($name, $arguments)
{
$reflection = $this::getReflection();
if (!$reflection->hasProperty($name)) {
throw new Exception\InvalidArgumentException(
"Undefined property '" . $name . "'!"
);
}
$propertyReflection = $reflection->getProperty($name);
if ($propertyReflection->getType() !== Entity\Reflection\Property::TYPE_ENTITY
&& $propertyReflection->getType() !== Entity\Reflection\Property::TYPE_COLLECTION
) {
throw new Exception\InvalidArgumentException(
"Only properties with type entity or collection can call changes!"
);
}
if (isset($arguments[0])) {
if ($arguments[0] === false) {
unset($this->changes[$name]);
} else {
if (!$arguments[0] instanceof Entity\Collection
&& $propertyReflection->getType() === Entity\Reflection\Property::TYPE_COLLECTION
) {
throw new Exception\InvalidArgumentException(
"You must pass instance of entity collection!",
$arguments[0]
);
}
if (!$arguments[0] instanceof Entity
&& $propertyReflection->getType() === Entity\Reflection\Property::TYPE_ENTITY
) {
throw new Exception\InvalidArgumentException(
"You must pass instance of entity!",
$arguments[0]
);
}
$this->changes[$name] = $arguments[0];
}
}
if (!isset($this->changes[$name])) {
if ($propertyReflection->getType() === Entity\Reflection\Property::TYPE_COLLECTION) {
$this->changes[$name] = new Entity\Collection($propertyReflection->getTypeOption());
} else {
$this->changes[$name] = Entity\Reflection::load($propertyReflection->getTypeOption())->createEntity();
}
}
return $this->changes[$name];
}
/**
* Get property value
*
* @param string $name Property name
*
* @return mixed
*
* @throws Exception\InvalidArgumentException
*/
public function __get($name)
{
if (isset($this->data[$name])) {
return $this->data[$name];
}
$reflection = $this::getReflection();
if (!$reflection->hasProperty($name)) {
throw new Exception\InvalidArgumentException(
"Undefined property '" . $name . "'!"
);
}
$property = $reflection->getProperty($name);
// computed property
if ($property->hasOption(Computed::KEY)) {
$computedValue = $this->{$property->getOption(Computed::KEY)->getName()}();
if ($computedValue === null) {
return null;
}
$property->validateValueType($computedValue);
return $computedValue;
}
// empty collection
if ($property->getType() === Entity\Reflection\Property::TYPE_COLLECTION) {
return $this->data[$name] = new Entity\Collection($property->getTypeOption());
}
return null;
}
/**
* Set property value
*
* @param string $name
* @param mixed $value
*/
public function __set($name, $value)
{
$this->_setProperties([$name => $value], false);
}
public function __isset($name)
{
return isset($this->data[$name]);
}
public function __unset($name)
{
$reflection = $this::getReflection();
if ($reflection->hasProperty($name)
&& !$reflection->getProperty($name)->isWritable()
) {
throw new Exception\InvalidArgumentException(
"Property '" . $name . "' is read-only!"
);
}
unset($this->data[$name]);
}
public function getChangeType()
{
return $this->changeType;
}
public function getChanges()
{
return $this->changes;
}
/**
* Get entity reflection
*
* @return Reflection
*/
public static function getReflection()
{
return Entity\Reflection::load(get_called_class());
}
/**
* @return array
*/
public function getData()
{
return $this->data;
}
/**
* Get entity validator
*
* @return \UniMapper\Validator
*/
public function getValidator()
{
if (!$this->validator) {
$this->validator = new Validator($this);
}
return $this->validator->onEntity();
}
/**
* Query on entity
*
* @return QueryBuilder
*/
public static function query()
{
return new QueryBuilder(get_called_class());
}
/**
* Get entity values as array
*
* @param boolean $nesting Convert nested entities and collections too
*
* @return array
*/
public function toArray($nesting = false)
{
$output = [];
foreach ($this::getReflection()->getProperties() as $propertyName => $property) {
$value = $this->{$propertyName};
if (($value instanceof Entity\Collection || $value instanceof Entity)
&& $nesting
) {
$output[$propertyName] = $value->toArray($nesting);
} else {
$output[$propertyName] = $value;
}
}
return $output;
}
/**
* Gets data which should be serialized to JSON
*
* @return array
*/
public function jsonSerialize()
{
$output = [];
foreach ($this::getReflection()->getProperties() as $propertyName => $property) {
$value = $this->{$propertyName};
if ($value instanceof Entity\Collection || $value instanceof Entity) {
$output[$propertyName] = $value->jsonSerialize();
} elseif ($value instanceof \DateTime
&& $property->getType() === Entity\Reflection\Property::TYPE_DATE
) {
$output[$propertyName] = (array) $value;
$output[$propertyName]["date"] = $value->format(self::$dateFormat);
} else {
$output[$propertyName] = $value;
}
}
return $output;
}
public function seek($position)
{
foreach ($this->data as $name => $value) {
if ($name === $position) {
return;
}
$this->next();
}
throw new \OutOfBoundsException("Invalid seek position " . $position . "!");
}
public function getIterator()
{
return new \ArrayIterator($this->data);
}
}
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