Lines
100.00%
26 / 26
Functions and Methods
100.00%
3 / 3
Classes and Traits
100.00%
1 / 1
| Name | Lines | Functions and Methods | CRAP | Classes and Traits | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HasMany | 100.00% | 26 / 26 | 100.00% | 3 / 3 | 9 | 100.00% | 1 / 1 | |||
| addConstraints | 100.00% | 13 / 13 | 100.00% | 1 / 1 | 3 | |||||
| executeResults | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | |||||
| match | 100.00% | 12 / 12 | 100.00% | 1 / 1 | 5 | |||||
| 1 | <?php | |
| 2 | ||
| 3 | declare(strict_types=1); | |
| 4 | ||
| 5 | namespace BlueprintAU\Radiant\Relations; | |
| 6 | ||
| 7 | use BlueprintAU\Radiant\Collection; | |
| 8 | use BlueprintAU\Radiant\Database\Query\Enums\WhereOperator; | |
| 9 | use BlueprintAU\Radiant\Database\Query\WhereBuilder; | |
| 10 | use BlueprintAU\Radiant\Model; | |
| 11 | ||
| 12 | /** | |
| 13 | * One-to-many: the parent's key is referenced by the related table's FK. | |
| 14 | * | |
| 15 | * `User::posts()` → `Post::newQuery()->where('user_id', '=', $user->id)`. | |
| 16 | * The FK lives on the RELATED table; the local key lives on the parent. | |
| 17 | * | |
| 18 | * @template TRelated of Model | |
| 19 | * @extends Relation<TRelated> | |
| 20 | */ | |
| 21 | class HasMany extends Relation | |
| 22 | { | |
| 23 | /** | |
| 24 | * Constrain the related query to the parent's key. | |
| 25 | * | |
| 26 | * @return void | |
| 27 | */ | |
| 28 | protected function addConstraints(): void | |
| 29 | { | |
| 30 | if ($this->isComposite()) { | |
| 31 | // The tuple lands inside a whereNested GROUP — the relation | |
| 32 | // constraint is ONE unit: the parts AND within the parens, and | |
| 33 | // a caller's later `->orWhere(...)` ORs at the constraint's | |
| 34 | // edges instead of against the tuple's PARTS. | |
| 35 | $this->query = $this->query->whereNested(fn (WhereBuilder $nested): WhereBuilder => self::applyKeyTuple( | |
| 36 | $nested, | |
| 37 | $this->getForeignKeys(), | |
| 38 | $this->getLocalKeys(), | |
| 39 | $this->parentKeyValues($this->getLocalKeys()), | |
| 40 | )); | |
| 41 | ||
| 42 | return; | |
| 43 | } | |
| 44 | ||
| 45 | $parentKey = $this->parent->attribute($this->getLocalKey()); | |
| 46 | ||
| 47 | if ($parentKey === null) { | |
| 48 | // Null parent key → no results, without compiling a meaningless | |
| 49 | // query (BelongsTo's convention; `fk = NULL` matches no rows). | |
| 50 | $this->query = $this->query->whereRaw('1 = 0', []); | |
| 51 | return; | |
| 52 | } | |
| 53 | ||
| 54 | $this->query = $this->query->where($this->getForeignKey(), WhereOperator::Eq, $parentKey); | |
| 55 | } | |
| 56 | ||
| 57 | /** | |
| 58 | * Run the constrained query. | |
| 59 | * | |
| 60 | * @return Collection<int, TRelated> | |
| 61 | */ | |
| 62 | #[\Override] | |
| 63 | protected function executeResults(): Collection | |
| 64 | { | |
| 65 | return $this->query->get(); | |
| 66 | } | |
| 67 | ||
| 68 | /** | |
| 69 | * Distribute eager results onto parents, keyed by the FK value. | |
| 70 | * | |
| 71 | * Parents with no matching children get an empty collection — the | |
| 72 | * relation is loaded either way. | |
| 73 | * | |
| 74 | * @param list<Model> $parents | |
| 75 | * @param Collection<int, TRelated> $results | |
| 76 | * @param string $name | |
| 77 | * @param list<int|string|null|list<int|string|null>>|null $eagerParentKeys Unused. | |
| 78 | * @return void | |
| 79 | */ | |
| 80 | public function match(array $parents, Collection $results, string $name, ?array $eagerParentKeys = null): void | |
| 81 | { | |
| 82 | $grouped = []; | |
| 83 | ||
| 84 | foreach ($results as $related) { | |
| 85 | $key = $this->isComposite() | |
| 86 | ? self::serializeKey(self::tupleValues($related, $this->getForeignKeys())) | |
| 87 | : $related->attribute($this->getForeignKey()); | |
| 88 | $grouped[self::serializeKey($key)][] = $related; | |
| 89 | } | |
| 90 | ||
| 91 | foreach ($parents as $parent) { | |
| 92 | $key = $this->isComposite() | |
| 93 | ? self::tupleValues($parent, $this->getLocalKeys()) | |
| 94 | : $parent->attribute($this->getLocalKey()); | |
| 95 | // The bag's items came off $results (TRelated) — every one IS | |
| 96 | // a Model; setRelation accepts Collection<int, Model> and the item | |
| 97 | // template is not covariant. | |
| 98 | /** @var Collection<int, Model> $bag */ | |
| 99 | $bag = Collection::make($grouped[self::serializeKey($key)] ?? []); | |
| 100 | $parent->setRelation($name, $bag); | |
| 101 | } | |
| 102 | } | |
| 103 | } |