|
| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace RZ\Roadiz\CoreBundle\Api\Filter; |
| 6 | + |
| 7 | +use ApiPlatform\Doctrine\Orm\Filter\AbstractFilter; |
| 8 | +use ApiPlatform\Doctrine\Orm\Util\QueryNameGeneratorInterface; |
| 9 | +use ApiPlatform\Metadata\Operation; |
| 10 | +use Doctrine\ORM\Query\Expr\Join; |
| 11 | +use Doctrine\ORM\QueryBuilder; |
| 12 | +use Doctrine\Persistence\ManagerRegistry; |
| 13 | +use Psr\Log\LoggerInterface; |
| 14 | +use RZ\Roadiz\CoreBundle\Entity\Node; |
| 15 | +use Symfony\Component\PropertyInfo\Type; |
| 16 | +use Symfony\Component\Serializer\NameConverter\NameConverterInterface; |
| 17 | + |
| 18 | +final class TagGroupFilter extends AbstractFilter |
| 19 | +{ |
| 20 | + public const PROPERTY = 'tagGroup'; |
| 21 | + |
| 22 | + public function __construct( |
| 23 | + ManagerRegistry $managerRegistry, |
| 24 | + ?LoggerInterface $logger = null, |
| 25 | + ?array $properties = null, |
| 26 | + ?NameConverterInterface $nameConverter = null, |
| 27 | + ) { |
| 28 | + parent::__construct($managerRegistry, $logger, $properties, $nameConverter); |
| 29 | + } |
| 30 | + |
| 31 | + protected function filterProperty( |
| 32 | + string $property, |
| 33 | + mixed $value, |
| 34 | + QueryBuilder $queryBuilder, |
| 35 | + QueryNameGeneratorInterface $queryNameGenerator, |
| 36 | + string $resourceClass, |
| 37 | + ?Operation $operation = null, |
| 38 | + array $context = [], |
| 39 | + ): void { |
| 40 | + if (self::PROPERTY !== $property) { |
| 41 | + return; |
| 42 | + } |
| 43 | + if (!\is_array($value)) { |
| 44 | + return; |
| 45 | + } |
| 46 | + |
| 47 | + /* |
| 48 | + * Convert comma separated tag identifiers to sub-arrays |
| 49 | + */ |
| 50 | + $normalizedValue = []; |
| 51 | + |
| 52 | + foreach ($value as $group) { |
| 53 | + if (!\is_array($group)) { |
| 54 | + $group = explode(',', $group); |
| 55 | + } |
| 56 | + $normalizedValue[] = array_filter(array_map('trim', $group)); |
| 57 | + } |
| 58 | + |
| 59 | + if (Node::class !== $resourceClass) { |
| 60 | + /* |
| 61 | + * If entity is node source, we need to join node |
| 62 | + */ |
| 63 | + if (null === $nodeJoin = $this->joinExists($queryBuilder)) { |
| 64 | + $nodeJoin = 'node'; |
| 65 | + $queryBuilder->innerJoin('o.node', $nodeJoin); |
| 66 | + } |
| 67 | + |
| 68 | + $subQueryBuilder = $this->managerRegistry->getRepository(Node::class)->createQueryBuilder('n'); |
| 69 | + $subQueryBuilder->select('n.id'); |
| 70 | + $this->filterByTagNames($subQueryBuilder, $normalizedValue, 'n'); |
| 71 | + $queryBuilder->andWhere($queryBuilder->expr()->in($nodeJoin.'.id', $subQueryBuilder->getDQL())); |
| 72 | + } else { |
| 73 | + /* |
| 74 | + * For each tag group we create an inner-join |
| 75 | + */ |
| 76 | + $this->filterByTagNames($queryBuilder, $normalizedValue, 'o'); |
| 77 | + } |
| 78 | + |
| 79 | + // Apply the tag names filter on root query builder |
| 80 | + $this->setTagNamesParameters($queryBuilder, $normalizedValue); |
| 81 | + } |
| 82 | + |
| 83 | + public function getDescription(string $resourceClass): array |
| 84 | + { |
| 85 | + $carry = []; |
| 86 | + $carry[self::PROPERTY.'[]'] = [ |
| 87 | + 'property' => self::PROPERTY.'[]', |
| 88 | + 'type' => Type::BUILTIN_TYPE_ARRAY, |
| 89 | + 'required' => false, |
| 90 | + 'description' => 'Filter entities by tag name groups (comma separated). Inside groups filter use OR, between each groups filter use AND.', |
| 91 | + 'openapi' => [ |
| 92 | + 'description' => 'Filter entities by tag name groups (comma separated). Inside groups filter use OR, between each groups filter use AND.', |
| 93 | + 'example' => 'tag-1,tag-2&'.self::PROPERTY.'[]=tag-3,tag-4', |
| 94 | + 'allowEmptyValue' => false, |
| 95 | + 'explode' => true, |
| 96 | + ], |
| 97 | + ]; |
| 98 | + |
| 99 | + return $carry; |
| 100 | + } |
| 101 | + |
| 102 | + private function filterByTagNames(QueryBuilder $queryBuilder, array $groups, string $nodeAlias): void |
| 103 | + { |
| 104 | + /* |
| 105 | + * For each tag group we create an inner-join |
| 106 | + */ |
| 107 | + foreach ($groups as $i => $tagGroup) { |
| 108 | + $nodesTagsJoin = self::PROPERTY.'_nodesTags_'.$i; |
| 109 | + $joinAlias = self::PROPERTY.'_tag_'.$i; |
| 110 | + $parameterName = 'p_'.$joinAlias; |
| 111 | + $queryBuilder |
| 112 | + ->innerJoin($nodeAlias.'.nodesTags', $nodesTagsJoin) |
| 113 | + ->innerJoin($nodesTagsJoin.'.tag', $joinAlias) |
| 114 | + ->andWhere($queryBuilder->expr()->in( |
| 115 | + $joinAlias.'.tagName', |
| 116 | + ':'.$parameterName |
| 117 | + )) |
| 118 | + ; |
| 119 | + } |
| 120 | + } |
| 121 | + |
| 122 | + private function setTagNamesParameters(QueryBuilder $queryBuilder, array $groups): void |
| 123 | + { |
| 124 | + /* |
| 125 | + * For each tag group we create an inner-join |
| 126 | + */ |
| 127 | + foreach ($groups as $i => $tagGroup) { |
| 128 | + $joinAlias = self::PROPERTY.'_tag_'.$i; |
| 129 | + $parameterName = 'p_'.$joinAlias; |
| 130 | + $queryBuilder->setParameter($parameterName, $tagGroup); |
| 131 | + } |
| 132 | + } |
| 133 | + |
| 134 | + private function joinExists(QueryBuilder $queryBuilder): ?string |
| 135 | + { |
| 136 | + /** @var Join[][] $joinDqlParts */ |
| 137 | + $joinDqlParts = $queryBuilder->getDQLParts()['join']; |
| 138 | + foreach ($joinDqlParts as $joins) { |
| 139 | + foreach ($joins as $join) { |
| 140 | + if ('o.node' === $join->getJoin()) { |
| 141 | + return $join->getAlias(); |
| 142 | + } |
| 143 | + } |
| 144 | + } |
| 145 | + |
| 146 | + return null; |
| 147 | + } |
| 148 | +} |
0 commit comments