63 lines
1.7 KiB
PHP
63 lines
1.7 KiB
PHP
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<?php
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namespace Illuminate\Database\Eloquent\Factories;
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use Illuminate\Database\Eloquent\Attributes\UseFactory;
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/**
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* @template TFactory of \Illuminate\Database\Eloquent\Factories\Factory
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*/
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trait HasFactory
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{
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/**
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* Get a new factory instance for the model.
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*
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* @param (callable(array<string, mixed>, static|null): array<string, mixed>)|array<string, mixed>|int|null $count
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* @param (callable(array<string, mixed>, static|null): array<string, mixed>)|array<string, mixed> $state
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* @return TFactory
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*/
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public static function factory($count = null, $state = [])
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{
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$factory = static::newFactory() ?? Factory::factoryForModel(static::class);
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return $factory
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->count(is_numeric($count) ? $count : null)
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->state(is_callable($count) || is_array($count) ? $count : $state);
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}
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/**
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* Create a new factory instance for the model.
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*
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* @return TFactory|null
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*/
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protected static function newFactory()
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{
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if (isset(static::$factory)) {
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return static::$factory::new();
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}
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return static::getUseFactoryAttribute() ?? null;
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}
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/**
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* Get the factory from the UseFactory class attribute.
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*
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* @return TFactory|null
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*/
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protected static function getUseFactoryAttribute()
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{
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$attributes = (new \ReflectionClass(static::class))
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->getAttributes(UseFactory::class);
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if ($attributes !== []) {
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$useFactory = $attributes[0]->newInstance();
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$factory = new $useFactory->factoryClass;
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$factory->guessModelNamesUsing(fn () => static::class);
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return $factory;
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}
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}
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}
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