81 lines
2.2 KiB
PHP
81 lines
2.2 KiB
PHP
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<?php
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namespace Illuminate\Database\Eloquent\Factories;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Database\Eloquent\Relations\MorphTo;
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class BelongsToRelationship
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{
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/**
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* The related factory instance.
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*
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* @var \Illuminate\Database\Eloquent\Factories\Factory|\Illuminate\Database\Eloquent\Model
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*/
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protected $factory;
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/**
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* The relationship name.
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*
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* @var string
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*/
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protected $relationship;
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/**
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* The cached, resolved parent instance ID.
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*
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* @var mixed
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*/
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protected $resolved;
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/**
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* Create a new "belongs to" relationship definition.
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*
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* @param \Illuminate\Database\Eloquent\Factories\Factory|\Illuminate\Database\Eloquent\Model $factory
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* @param string $relationship
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* @return void
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*/
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public function __construct($factory, $relationship)
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{
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$this->factory = $factory;
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$this->relationship = $relationship;
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}
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/**
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* Get the parent model attributes and resolvers for the given child model.
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*
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* @param \Illuminate\Database\Eloquent\Model $model
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* @return array
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*/
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public function attributesFor(Model $model)
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{
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$relationship = $model->{$this->relationship}();
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return $relationship instanceof MorphTo ? [
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$relationship->getMorphType() => $this->factory instanceof Factory ? $this->factory->newModel()->getMorphClass() : $this->factory->getMorphClass(),
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$relationship->getForeignKeyName() => $this->resolver($relationship->getOwnerKeyName()),
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] : [
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$relationship->getForeignKeyName() => $this->resolver($relationship->getOwnerKeyName()),
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];
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}
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/**
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* Get the deferred resolver for this relationship's parent ID.
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*
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* @param string|null $key
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* @return \Closure
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*/
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protected function resolver($key)
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{
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return function () use ($key) {
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if (! $this->resolved) {
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$instance = $this->factory instanceof Factory ? $this->factory->create() : $this->factory;
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return $this->resolved = $key ? $instance->{$key} : $instance->getKey();
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}
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return $this->resolved;
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};
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}
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}
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