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@@ -0,0 +1,217 @@
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<?php declare(strict_types=1);
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namespace Grav\Framework\Relationships;
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use Grav\Framework\Contracts\Object\IdentifierInterface;
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use Grav\Framework\Contracts\Relationships\RelationshipInterface;
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use Grav\Framework\Contracts\Relationships\RelationshipsInterface;
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use Grav\Framework\Flex\FlexIdentifier;
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use RuntimeException;
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use function count;
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/**
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* Class Relationships
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*
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* @template T of \Grav\Framework\Contracts\Object\IdentifierInterface
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* @template P of \Grav\Framework\Contracts\Object\IdentifierInterface
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* @implements RelationshipsInterface<T,P>
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*/
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class Relationships implements RelationshipsInterface
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{
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/** @var P */
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protected $parent;
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/** @var array */
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protected $options;
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/** @var RelationshipInterface<T,P>[] */
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protected $relationships;
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/**
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* Relationships constructor.
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* @param P $parent
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* @param array $options
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*/
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public function __construct(IdentifierInterface $parent, array $options)
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{
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$this->parent = $parent;
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$this->options = $options;
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$this->relationships = [];
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}
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/**
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* @return bool
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* @phpstan-pure
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*/
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public function isModified(): bool
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{
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return !empty($this->getModified());
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}
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/**
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* @return RelationshipInterface<T,P>[]
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* @phpstan-pure
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*/
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public function getModified(): array
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{
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$list = [];
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foreach ($this->relationships as $name => $relationship) {
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if ($relationship->isModified()) {
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$list[$name] = $relationship;
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}
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}
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return $list;
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}
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/**
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* @return int
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* @phpstan-pure
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*/
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public function count(): int
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{
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return count($this->options);
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}
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/**
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* @param string $offset
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* @return bool
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* @phpstan-pure
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*/
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public function offsetExists($offset): bool
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{
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return isset($this->options[$offset]);
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}
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/**
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* @param string $offset
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* @return RelationshipInterface<T,P>|null
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*/
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public function offsetGet($offset): ?RelationshipInterface
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{
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if (!isset($this->relationships[$offset])) {
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$options = $this->options[$offset] ?? null;
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if (null === $options) {
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return null;
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}
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$this->relationships[$offset] = $this->createRelationship($offset, $options);
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}
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return $this->relationships[$offset];
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}
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/**
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* @param string $offset
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* @param mixed $value
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* @return never-return
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*/
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public function offsetSet($offset, $value)
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{
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throw new RuntimeException('Setting relationship is not supported', 500);
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}
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/**
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* @param string $offset
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* @return never-return
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*/
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public function offsetUnset($offset)
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{
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throw new RuntimeException('Removing relationship is not allowed', 500);
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}
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/**
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* @return RelationshipInterface<T,P>|null
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*/
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public function current(): ?RelationshipInterface
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{
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$name = key($this->options);
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if ($name === null) {
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return null;
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}
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return $this->offsetGet($name);
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}
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/**
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* @return string
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* @phpstan-pure
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*/
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public function key(): string
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{
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return key($this->options);
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}
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/**
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* @return void
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* @phpstan-pure
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*/
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public function next(): void
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{
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next($this->options);
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}
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/**
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* @return void
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* @phpstan-pure
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*/
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public function rewind(): void
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{
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reset($this->options);
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}
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/**
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* @return bool
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* @phpstan-pure
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*/
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public function valid(): bool
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{
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return key($this->options) !== null;
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}
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/**
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* @return array
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*/
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public function jsonSerialize(): array
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{
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$list = [];
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foreach ($this as $name => $relationship) {
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$list[$name] = $relationship->jsonSerialize();
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}
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return $list;
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}
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/**
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* @param string $name
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* @param array $options
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* @return ToOneRelationship|ToManyRelationship
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*/
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private function createRelationship(string $name, array $options): RelationshipInterface
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{
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$data = null;
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$parent = $this->parent;
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if ($parent instanceof FlexIdentifier) {
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$object = $parent->getObject();
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if (!method_exists($object, 'initRelationship')) {
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throw new RuntimeException(sprintf('Bad relationship %s', $name), 500);
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}
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$data = $object->initRelationship($name);
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}
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$cardinality = $options['cardinality'] ?? '';
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switch ($cardinality) {
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case 'to-one':
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$relationship = new ToOneRelationship($parent, $name, $options, $data);
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break;
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case 'to-many':
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$relationship = new ToManyRelationship($parent, $name, $options, $data ?? []);
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break;
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default:
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throw new RuntimeException(sprintf('Bad relationship cardinality %s', $cardinality), 500);
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}
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return $relationship;
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}
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}
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@@ -0,0 +1,259 @@
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<?php declare(strict_types=1);
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namespace Grav\Framework\Relationships;
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use ArrayIterator;
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use Grav\Framework\Compat\Serializable;
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use Grav\Framework\Contracts\Object\IdentifierInterface;
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use Grav\Framework\Contracts\Relationships\ToManyRelationshipInterface;
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use Grav\Framework\Relationships\Traits\RelationshipTrait;
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use function count;
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use function is_callable;
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/**
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* Class ToManyRelationship
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*
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* @template T of IdentifierInterface
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* @template P of IdentifierInterface
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* @template-implements ToManyRelationshipInterface<T,P>
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*/
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class ToManyRelationship implements ToManyRelationshipInterface
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{
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/** @template-use RelationshipTrait<T> */
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use RelationshipTrait;
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use Serializable;
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/** @var IdentifierInterface[] */
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protected $identifiers = [];
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/**
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* ToManyRelationship constructor.
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* @param string $name
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* @param IdentifierInterface $parent
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* @param iterable<IdentifierInterface> $identifiers
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*/
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public function __construct(IdentifierInterface $parent, string $name, array $options, iterable $identifiers = [])
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{
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$this->parent = $parent;
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$this->name = $name;
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$this->parseOptions($options);
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$this->addIdentifiers($identifiers);
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$this->modified = false;
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}
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/**
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* @return string
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* @phpstan-pure
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*/
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public function getCardinality(): string
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{
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return 'to-many';
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}
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/**
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* @return int
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* @phpstan-pure
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*/
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public function count(): int
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{
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return count($this->identifiers);
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}
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/**
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* @return array
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*/
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public function fetch(): array
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{
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$list = [];
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foreach ($this->identifiers as $identifier) {
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if (is_callable([$identifier, 'getObject'])) {
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$identifier = $identifier->getObject();
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}
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$list[] = $identifier;
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}
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return $list;
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}
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/**
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* @param string $id
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* @param string|null $type
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* @return bool
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* @phpstan-pure
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*/
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public function has(string $id, string $type = null): bool
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{
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return $this->getIdentifier($id, $type) !== null;
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}
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/**
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* @param positive-int $pos
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* @return IdentifierInterface|null
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*/
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public function getNthIdentifier(int $pos): ?IdentifierInterface
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{
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$items = array_keys($this->identifiers);
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$key = $items[$pos - 1] ?? null;
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if (null === $key) {
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return null;
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}
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return $this->identifiers[$key] ?? null;
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}
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/**
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* @param string $id
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* @param string|null $type
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* @return IdentifierInterface|null
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* @phpstan-pure
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*/
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public function getIdentifier(string $id, string $type = null): ?IdentifierInterface
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{
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if (null === $type) {
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$type = $this->getType();
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}
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if ($type === 'media' && !str_contains($id, '/')) {
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$name = $this->name;
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$id = $this->parent->getType() . '/' . $this->parent->getId() . '/'. $name . '/' . $id;
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}
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$key = "{$type}/{$id}";
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return $this->identifiers[$key] ?? null;
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}
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/**
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* @param string $id
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* @param string|null $type
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* @return T|null
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*/
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public function getObject(string $id, string $type = null): ?object
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{
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$identifier = $this->getIdentifier($id, $type);
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if ($identifier && is_callable([$identifier, 'getObject'])) {
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$identifier = $identifier->getObject();
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}
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return $identifier;
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}
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/**
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* @param IdentifierInterface $identifier
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* @return bool
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*/
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public function addIdentifier(IdentifierInterface $identifier): bool
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{
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return $this->addIdentifiers([$identifier]);
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}
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/**
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* @param IdentifierInterface|null $identifier
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* @return bool
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*/
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public function removeIdentifier(IdentifierInterface $identifier = null): bool
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{
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return !$identifier || $this->removeIdentifiers([$identifier]);
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}
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/**
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* @param iterable<IdentifierInterface> $identifiers
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* @return bool
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*/
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public function addIdentifiers(iterable $identifiers): bool
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{
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foreach ($identifiers as $identifier) {
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$type = $identifier->getType();
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$id = $identifier->getId();
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$key = "{$type}/{$id}";
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$this->identifiers[$key] = $this->checkIdentifier($identifier);
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$this->modified = true;
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}
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return true;
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}
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/**
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* @param iterable<IdentifierInterface> $identifiers
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* @return bool
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*/
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public function replaceIdentifiers(iterable $identifiers): bool
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{
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$this->identifiers = [];
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$this->modified = true;
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return $this->addIdentifiers($identifiers);
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}
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/**
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* @param iterable<IdentifierInterface> $identifiers
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* @return bool
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*/
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public function removeIdentifiers(iterable $identifiers): bool
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{
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foreach ($identifiers as $identifier) {
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$type = $identifier->getType();
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$id = $identifier->getId();
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$key = "{$type}/{$id}";
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unset($this->identifiers[$key]);
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$this->modified = true;
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}
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return true;
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}
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/**
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* @return iterable<IdentifierInterface>
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* @phpstan-pure
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*/
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public function getIterator(): iterable
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{
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return new ArrayIterator($this->identifiers);
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}
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/**
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* @return array
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*/
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public function jsonSerialize(): array
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{
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$list = [];
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foreach ($this->getIterator() as $item) {
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$list[] = $item->jsonSerialize();
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||||
}
|
||||
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||||
return $list;
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||||
}
|
||||
|
||||
/**
|
||||
* @return array
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||||
*/
|
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public function __serialize(): array
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||||
{
|
||||
return [
|
||||
'parent' => $this->parent,
|
||||
'name' => $this->name,
|
||||
'type' => $this->type,
|
||||
'options' => $this->options,
|
||||
'modified' => $this->modified,
|
||||
'identifiers' => $this->identifiers,
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param array $data
|
||||
* @return void
|
||||
*/
|
||||
public function __unserialize(array $data): void
|
||||
{
|
||||
$this->parent = $data['parent'];
|
||||
$this->name = $data['name'];
|
||||
$this->type = $data['type'];
|
||||
$this->options = $data['options'];
|
||||
$this->modified = $data['modified'];
|
||||
$this->identifiers = $data['identifiers'];
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,207 @@
|
||||
<?php declare(strict_types=1);
|
||||
|
||||
namespace Grav\Framework\Relationships;
|
||||
|
||||
use ArrayIterator;
|
||||
use Grav\Framework\Compat\Serializable;
|
||||
use Grav\Framework\Contracts\Object\IdentifierInterface;
|
||||
use Grav\Framework\Contracts\Relationships\ToOneRelationshipInterface;
|
||||
use Grav\Framework\Relationships\Traits\RelationshipTrait;
|
||||
use function is_callable;
|
||||
|
||||
/**
|
||||
* Class ToOneRelationship
|
||||
*
|
||||
* @template T of IdentifierInterface
|
||||
* @template P of IdentifierInterface
|
||||
* @template-implements ToOneRelationshipInterface<T,P>
|
||||
*/
|
||||
class ToOneRelationship implements ToOneRelationshipInterface
|
||||
{
|
||||
/** @template-use RelationshipTrait<T> */
|
||||
use RelationshipTrait;
|
||||
use Serializable;
|
||||
|
||||
/** @var IdentifierInterface|null */
|
||||
protected $identifier = null;
|
||||
|
||||
public function __construct(IdentifierInterface $parent, string $name, array $options, IdentifierInterface $identifier = null)
|
||||
{
|
||||
$this->parent = $parent;
|
||||
$this->name = $name;
|
||||
|
||||
$this->parseOptions($options);
|
||||
$this->replaceIdentifier($identifier);
|
||||
|
||||
$this->modified = false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return string
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function getCardinality(): string
|
||||
{
|
||||
return 'to-one';
|
||||
}
|
||||
|
||||
/**
|
||||
* @return int
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function count(): int
|
||||
{
|
||||
return $this->identifier ? 1 : 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return object|null
|
||||
*/
|
||||
public function fetch(): ?object
|
||||
{
|
||||
$identifier = $this->identifier;
|
||||
if (is_callable([$identifier, 'getObject'])) {
|
||||
$identifier = $identifier->getObject();
|
||||
}
|
||||
|
||||
return $identifier;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @param string|null $id
|
||||
* @param string|null $type
|
||||
* @return bool
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function has(string $id = null, string $type = null): bool
|
||||
{
|
||||
return $this->getIdentifier($id, $type) !== null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string|null $id
|
||||
* @param string|null $type
|
||||
* @return IdentifierInterface|null
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function getIdentifier(string $id = null, string $type = null): ?IdentifierInterface
|
||||
{
|
||||
if ($id && $this->getType() === 'media' && !str_contains($id, '/')) {
|
||||
$name = $this->name;
|
||||
$id = $this->parent->getType() . '/' . $this->parent->getId() . '/'. $name . '/' . $id;
|
||||
}
|
||||
|
||||
$identifier = $this->identifier ?? null;
|
||||
if (null === $identifier || ($type && $type !== $identifier->getType()) || ($id && $id !== $identifier->getId())) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return $identifier;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string|null $id
|
||||
* @param string|null $type
|
||||
* @return T|null
|
||||
*/
|
||||
public function getObject(string $id = null, string $type = null): ?object
|
||||
{
|
||||
$identifier = $this->getIdentifier($id, $type);
|
||||
if ($identifier && is_callable([$identifier, 'getObject'])) {
|
||||
$identifier = $identifier->getObject();
|
||||
}
|
||||
|
||||
return $identifier;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param IdentifierInterface $identifier
|
||||
* @return bool
|
||||
*/
|
||||
public function addIdentifier(IdentifierInterface $identifier): bool
|
||||
{
|
||||
$this->identifier = $this->checkIdentifier($identifier);
|
||||
$this->modified = true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param IdentifierInterface|null $identifier
|
||||
* @return bool
|
||||
*/
|
||||
public function replaceIdentifier(IdentifierInterface $identifier = null): bool
|
||||
{
|
||||
if ($identifier === null) {
|
||||
$this->identifier = null;
|
||||
$this->modified = true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return $this->addIdentifier($identifier);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param IdentifierInterface|null $identifier
|
||||
* @return bool
|
||||
*/
|
||||
public function removeIdentifier(IdentifierInterface $identifier = null): bool
|
||||
{
|
||||
if (null === $identifier || $this->has($identifier->getId(), $identifier->getType())) {
|
||||
$this->identifier = null;
|
||||
$this->modified = true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return iterable<IdentifierInterface>
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function getIterator(): iterable
|
||||
{
|
||||
return new ArrayIterator((array)$this->identifier);
|
||||
}
|
||||
|
||||
/**
|
||||
* @return array|null
|
||||
*/
|
||||
public function jsonSerialize(): ?array
|
||||
{
|
||||
return $this->identifier ? $this->identifier->jsonSerialize() : null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return array
|
||||
*/
|
||||
public function __serialize(): array
|
||||
{
|
||||
return [
|
||||
'parent' => $this->parent,
|
||||
'name' => $this->name,
|
||||
'type' => $this->type,
|
||||
'options' => $this->options,
|
||||
'modified' => $this->modified,
|
||||
'identifier' => $this->identifier,
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param array $data
|
||||
* @return void
|
||||
*/
|
||||
public function __unserialize(array $data): void
|
||||
{
|
||||
$this->parent = $data['parent'];
|
||||
$this->name = $data['name'];
|
||||
$this->type = $data['type'];
|
||||
$this->options = $data['options'];
|
||||
$this->modified = $data['modified'];
|
||||
$this->identifier = $data['identifier'];
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,128 @@
|
||||
<?php declare(strict_types=1);
|
||||
|
||||
namespace Grav\Framework\Relationships\Traits;
|
||||
|
||||
use Grav\Framework\Contracts\Object\IdentifierInterface;
|
||||
use Grav\Framework\Flex\FlexIdentifier;
|
||||
use Grav\Framework\Media\MediaIdentifier;
|
||||
use Grav\Framework\Object\Identifiers\Identifier;
|
||||
use RuntimeException;
|
||||
use function get_class;
|
||||
|
||||
/**
|
||||
* Trait RelationshipTrait
|
||||
*
|
||||
* @template T of object
|
||||
*/
|
||||
trait RelationshipTrait
|
||||
{
|
||||
/** @var IdentifierInterface */
|
||||
protected $parent;
|
||||
/** @var string */
|
||||
protected $name;
|
||||
/** @var string */
|
||||
protected $type;
|
||||
/** @var array */
|
||||
protected $options;
|
||||
/** @var bool */
|
||||
protected $modified = false;
|
||||
|
||||
/**
|
||||
* @return string
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function getName(): string
|
||||
{
|
||||
return $this->name;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return string
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function getType(): string
|
||||
{
|
||||
return $this->type;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return bool
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function isModified(): bool
|
||||
{
|
||||
return $this->modified;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return IdentifierInterface
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function getParent(): IdentifierInterface
|
||||
{
|
||||
return $this->parent;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param IdentifierInterface $identifier
|
||||
* @return bool
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function hasIdentifier(IdentifierInterface $identifier): bool
|
||||
{
|
||||
return $this->getIdentifier($identifier->getId(), $identifier->getType()) !== null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return int
|
||||
* @phpstan-pure
|
||||
*/
|
||||
abstract public function count(): int;
|
||||
|
||||
/**
|
||||
* @return void
|
||||
* @phpstan-pure
|
||||
*/
|
||||
public function check(): void
|
||||
{
|
||||
$min = $this->options['min'] ?? 0;
|
||||
$max = $this->options['max'] ?? 0;
|
||||
|
||||
if ($min || $max) {
|
||||
$count = $this->count();
|
||||
if ($min && $count < $min) {
|
||||
throw new RuntimeException(sprintf('%s relationship has too few objects in it', $this->name));
|
||||
}
|
||||
if ($max && $count > $max) {
|
||||
throw new RuntimeException(sprintf('%s relationship has too many objects in it', $this->name));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param IdentifierInterface $identifier
|
||||
* @return IdentifierInterface
|
||||
*/
|
||||
private function checkIdentifier(IdentifierInterface $identifier): IdentifierInterface
|
||||
{
|
||||
if ($this->type !== $identifier->getType()) {
|
||||
throw new RuntimeException(sprintf('Bad identifier type %s', $identifier->getType()));
|
||||
}
|
||||
|
||||
if (get_class($identifier) !== Identifier::class) {
|
||||
return $identifier;
|
||||
}
|
||||
|
||||
if ($this->type === 'media') {
|
||||
return new MediaIdentifier($identifier->getId());
|
||||
}
|
||||
|
||||
return new FlexIdentifier($identifier->getId(), $identifier->getType());
|
||||
}
|
||||
|
||||
private function parseOptions(array $options): void
|
||||
{
|
||||
$this->type = $options['type'];
|
||||
$this->options = $options;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user