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| Name | Lines | Functions and Methods | CRAP | Classes and Traits | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| EagerResult | 100.00% | 5 / 5 | 100.00% | 4 / 4 | 4 | 100.00% | 1 / 1 | |||
| __construct | 100.00% | 2 / 2 | 100.00% | 1 / 1 | 1 | |||||
| fromModels | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | |||||
| fromCollection | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | |||||
| listToCollection | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | |||||
| 1 | <?php | |
| 2 | ||
| 3 | declare(strict_types=1); | |
| 4 | ||
| 5 | namespace BlueprintAU\Radiant\Relations; | |
| 6 | ||
| 7 | use BlueprintAU\Radiant\Collection; | |
| 8 | ||
| 9 | /** | |
| 10 | * The result of one eager load: the related models plus, for through | |
| 11 | * relations, the per-row parent key each model belongs to. | |
| 12 | * | |
| 13 | * This exists so {@see HasManyThrough} does not have to record its | |
| 14 | * parent-key list on the relation instance itself. A relation object is | |
| 15 | * CACHED and shared across eager loads (ModelQueryBuilder::$relationCache); | |
| 16 | * per-call state on the instance meant two interleaved loads of the same | |
| 17 | * through-relation — sequential in one coroutine, concurrent under | |
| 18 | * Swoole/Fiber — could read each other's keys and distribute children to | |
| 19 | * the wrong parents. Returning per-call state instead makes the whole | |
| 20 | * eager-load path stateless with respect to the cached relation. | |
| 21 | * | |
| 22 | * @template TModel of \BlueprintAU\Radiant\Model The related model class. | |
| 23 | */ | |
| 24 | final class EagerResult | |
| 25 | { | |
| 26 | /** | |
| 27 | * The loaded related models, in query order. | |
| 28 | * | |
| 29 | * @var Collection<int, TModel> | |
| 30 | */ | |
| 31 | public readonly Collection $models; | |
| 32 | ||
| 33 | /** | |
| 34 | * The parent key for each model, positionally paired with $models — | |
| 35 | * index i of this list is the key of the parent that $models[i] | |
| 36 | * belongs to. Null for relations that re-derive the key from the model | |
| 37 | * itself (HasOne/HasMany/BelongsTo read the model's FK attribute); | |
| 38 | * through relations set it (the key travels through the join, not on | |
| 39 | * the related model). | |
| 40 | * | |
| 41 | * @var list<int|string|null|list<int|string|null>>|null | |
| 42 | */ | |
| 43 | public readonly ?array $parentKeys; | |
| 44 | ||
| 45 | /** | |
| 46 | * @param Collection<int, TModel> $models | |
| 47 | * @param list<int|string|null|list<int|string|null>>|null $parentKeys The per-row parent keys, or null. | |
| 48 | */ | |
| 49 | public function __construct(Collection $models, ?array $parentKeys = null) | |
| 50 | { | |
| 51 | $this->models = $models; | |
| 52 | $this->parentKeys = $parentKeys; | |
| 53 | } | |
| 54 | ||
| 55 | /** | |
| 56 | * A models-only result — no per-row parent keys. | |
| 57 | * | |
| 58 | * @template TRelatedModel of \BlueprintAU\Radiant\Model | |
| 59 | * | |
| 60 | * @param list<TRelatedModel>|array<int,TRelatedModel> $models | |
| 61 | * @return self<TRelatedModel> | |
| 62 | */ | |
| 63 | public static function fromModels(array $models): self | |
| 64 | { | |
| 65 | return new self(self::listToCollection($models)); | |
| 66 | } | |
| 67 | ||
| 68 | /** | |
| 69 | * A models-only result built from an EXISTING collection — no per-row | |
| 70 | * parent keys. | |
| 71 | * | |
| 72 | * @template TRelatedModel of \BlueprintAU\Radiant\Model | |
| 73 | * | |
| 74 | * @param Collection<int, TRelatedModel> $models | |
| 75 | * @return self<TRelatedModel> | |
| 76 | */ | |
| 77 | public static function fromCollection(Collection $models): self | |
| 78 | { | |
| 79 | return new self($models); | |
| 80 | } | |
| 81 | ||
| 82 | /** | |
| 83 | * Wrap a model list into a collection, preserving the element template. | |
| 84 | * | |
| 85 | * @template TRelatedModel of \BlueprintAU\Radiant\Model | |
| 86 | * | |
| 87 | * @param list<TRelatedModel>|array<int,TRelatedModel> $models | |
| 88 | * @return Collection<int, TRelatedModel> | |
| 89 | * | |
| 90 | * @internal Construction detail of the eager-load path; not public API. | |
| 91 | */ | |
| 92 | public static function listToCollection(array $models): Collection | |
| 93 | { | |
| 94 | return Collection::make(array_values($models)); | |
| 95 | } | |
| 96 | } |