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<?php
namespace Illuminate\Database\Eloquent\Factories;
use Closure;
use Faker\Generator;
use Illuminate\Container\Container;
use Illuminate\Contracts\Foundation\Application;
use Illuminate\Database\Eloquent\Collection as EloquentCollection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Support\Carbon;
use Illuminate\Support\Collection;
use Illuminate\Support\Enumerable;
use Illuminate\Support\Str;
use Illuminate\Support\Traits\Conditionable;
use Illuminate\Support\Traits\ForwardsCalls;
use Illuminate\Support\Traits\Macroable;
use Throwable;
/**
* @template TModel of \Illuminate\Database\Eloquent\Model
*
* @method $this trashed()
*/
abstract class Factory
{
use Conditionable, ForwardsCalls, Macroable {
__call as macroCall;
}
/**
* The name of the factory's corresponding model.
*
* @var class-string<\Illuminate\Database\Eloquent\Model|TModel>
*/
protected $model;
/**
* The number of models that should be generated.
*
* @var int|null
*/
protected $count;
/**
* The state transformations that will be applied to the model.
*
* @var \Illuminate\Support\Collection
*/
protected $states;
/**
* The parent relationships that will be applied to the model.
*
* @var \Illuminate\Support\Collection
*/
protected $has;
/**
* The child relationships that will be applied to the model.
*
* @var \Illuminate\Support\Collection
*/
protected $for;
/**
* The model instances to always use when creating relationships.
*
* @var \Illuminate\Support\Collection
*/
protected $recycle;
/**
* The "after making" callbacks that will be applied to the model.
*
* @var \Illuminate\Support\Collection
*/
protected $afterMaking;
/**
* The "after creating" callbacks that will be applied to the model.
*
* @var \Illuminate\Support\Collection
*/
protected $afterCreating;
/**
* The name of the database connection that will be used to create the models.
*
* @var string|null
*/
protected $connection;
/**
* The current Faker instance.
*
* @var \Faker\Generator
*/
protected $faker;
/**
* The default namespace where factories reside.
*
* @var string
*/
protected static $namespace = 'Database\\Factories\\';
/**
* The default model name resolver.
*
* @var callable
*/
protected static $modelNameResolver;
/**
* The factory name resolver.
*
* @var callable
*/
protected static $factoryNameResolver;
/**
* Create a new factory instance.
*
* @param int|null $count
* @param \Illuminate\Support\Collection|null $states
* @param \Illuminate\Support\Collection|null $has
* @param \Illuminate\Support\Collection|null $for
* @param \Illuminate\Support\Collection|null $afterMaking
* @param \Illuminate\Support\Collection|null $afterCreating
* @param string|null $connection
* @param \Illuminate\Support\Collection|null $recycle
* @return void
*/
public function __construct($count = null,
?Collection $states = null,
?Collection $has = null,
?Collection $for = null,
?Collection $afterMaking = null,
?Collection $afterCreating = null,
$connection = null,
?Collection $recycle = null)
{
$this->count = $count;
$this->states = $states ?? new Collection;
$this->has = $has ?? new Collection;
$this->for = $for ?? new Collection;
$this->afterMaking = $afterMaking ?? new Collection;
$this->afterCreating = $afterCreating ?? new Collection;
$this->connection = $connection;
$this->recycle = $recycle ?? new Collection;
$this->faker = $this->withFaker();
}
/**
* Define the model's default state.
*
* @return array<string, mixed>
*/
abstract public function definition();
/**
* Get a new factory instance for the given attributes.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @return static
*/
public static function new($attributes = [])
{
return (new static)->state($attributes)->configure();
}
/**
* Get a new factory instance for the given number of models.
*
* @param int $count
* @return static
*/
public static function times(int $count)
{
return static::new()->count($count);
}
/**
* Configure the factory.
*
* @return $this
*/
public function configure()
{
return $this;
}
/**
* Get the raw attributes generated by the factory.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return array<int|string, mixed>
*/
public function raw($attributes = [], ?Model $parent = null)
{
if ($this->count === null) {
return $this->state($attributes)->getExpandedAttributes($parent);
}
return array_map(function () use ($attributes, $parent) {
return $this->state($attributes)->getExpandedAttributes($parent);
}, range(1, $this->count));
}
/**
* Create a single model and persist it to the database.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @return \Illuminate\Database\Eloquent\Model|TModel
*/
public function createOne($attributes = [])
{
return $this->count(null)->create($attributes);
}
/**
* Create a single model and persist it to the database without dispatching any model events.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @return \Illuminate\Database\Eloquent\Model|TModel
*/
public function createOneQuietly($attributes = [])
{
return $this->count(null)->createQuietly($attributes);
}
/**
* Create a collection of models and persist them to the database.
*
* @param iterable<int, array<string, mixed>> $records
* @return \Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>
*/
public function createMany(iterable $records)
{
return new EloquentCollection(
collect($records)->map(function ($record) {
return $this->state($record)->create();
})
);
}
/**
* Create a collection of models and persist them to the database without dispatching any model events.
*
* @param iterable<int, array<string, mixed>> $records
* @return \Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>
*/
public function createManyQuietly(iterable $records)
{
return Model::withoutEvents(function () use ($records) {
return $this->createMany($records);
});
}
/**
* Create a collection of models and persist them to the database.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return \Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>|\Illuminate\Database\Eloquent\Model|TModel
*/
public function create($attributes = [], ?Model $parent = null)
{
if (! empty($attributes)) {
return $this->state($attributes)->create([], $parent);
}
$results = $this->make($attributes, $parent);
if ($results instanceof Model) {
$this->store(collect([$results]));
$this->callAfterCreating(collect([$results]), $parent);
} else {
$this->store($results);
$this->callAfterCreating($results, $parent);
}
return $results;
}
/**
* Create a collection of models and persist them to the database without dispatching any model events.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return \Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>|\Illuminate\Database\Eloquent\Model|TModel
*/
public function createQuietly($attributes = [], ?Model $parent = null)
{
return Model::withoutEvents(function () use ($attributes, $parent) {
return $this->create($attributes, $parent);
});
}
/**
* Create a callback that persists a model in the database when invoked.
*
* @param array<string, mixed> $attributes
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return \Closure(): (\Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>|\Illuminate\Database\Eloquent\Model|TModel)
*/
public function lazy(array $attributes = [], ?Model $parent = null)
{
return fn () => $this->create($attributes, $parent);
}
/**
* Set the connection name on the results and store them.
*
* @param \Illuminate\Support\Collection $results
* @return void
*/
protected function store(Collection $results)
{
$results->each(function ($model) {
if (! isset($this->connection)) {
$model->setConnection($model->newQueryWithoutScopes()->getConnection()->getName());
}
$model->save();
foreach ($model->getRelations() as $name => $items) {
if ($items instanceof Enumerable && $items->isEmpty()) {
$model->unsetRelation($name);
}
}
$this->createChildren($model);
});
}
/**
* Create the children for the given model.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @return void
*/
protected function createChildren(Model $model)
{
Model::unguarded(function () use ($model) {
$this->has->each(function ($has) use ($model) {
$has->recycle($this->recycle)->createFor($model);
});
});
}
/**
* Make a single instance of the model.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @return \Illuminate\Database\Eloquent\Model|TModel
*/
public function makeOne($attributes = [])
{
return $this->count(null)->make($attributes);
}
/**
* Create a collection of models.
*
* @param (callable(array<string, mixed>): array<string, mixed>)|array<string, mixed> $attributes
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return \Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>|\Illuminate\Database\Eloquent\Model|TModel
*/
public function make($attributes = [], ?Model $parent = null)
{
if (! empty($attributes)) {
return $this->state($attributes)->make([], $parent);
}
if ($this->count === null) {
return tap($this->makeInstance($parent), function ($instance) {
$this->callAfterMaking(collect([$instance]));
});
}
if ($this->count < 1) {
return $this->newModel()->newCollection();
}
$instances = $this->newModel()->newCollection(array_map(function () use ($parent) {
return $this->makeInstance($parent);
}, range(1, $this->count)));
$this->callAfterMaking($instances);
return $instances;
}
/**
* Make an instance of the model with the given attributes.
*
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return \Illuminate\Database\Eloquent\Model
*/
protected function makeInstance(?Model $parent)
{
return Model::unguarded(function () use ($parent) {
return tap($this->newModel($this->getExpandedAttributes($parent)), function ($instance) {
if (isset($this->connection)) {
$instance->setConnection($this->connection);
}
});
});
}
/**
* Get a raw attributes array for the model.
*
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return mixed
*/
protected function getExpandedAttributes(?Model $parent)
{
return $this->expandAttributes($this->getRawAttributes($parent));
}
/**
* Get the raw attributes for the model as an array.
*
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return array
*/
protected function getRawAttributes(?Model $parent)
{
return $this->states->pipe(function ($states) {
return $this->for->isEmpty() ? $states : new Collection(array_merge([function () {
return $this->parentResolvers();
}], $states->all()));
})->reduce(function ($carry, $state) use ($parent) {
if ($state instanceof Closure) {
$state = $state->bindTo($this);
}
return array_merge($carry, $state($carry, $parent));
}, $this->definition());
}
/**
* Create the parent relationship resolvers (as deferred Closures).
*
* @return array
*/
protected function parentResolvers()
{
$model = $this->newModel();
return $this->for->map(function (BelongsToRelationship $for) use ($model) {
return $for->recycle($this->recycle)->attributesFor($model);
})->collapse()->all();
}
/**
* Expand all attributes to their underlying values.
*
* @param array $definition
* @return array
*/
protected function expandAttributes(array $definition)
{
return collect($definition)
->map($evaluateRelations = function ($attribute) {
if ($attribute instanceof self) {
$attribute = $this->getRandomRecycledModel($attribute->modelName())
?? $attribute->recycle($this->recycle)->create()->getKey();
} elseif ($attribute instanceof Model) {
$attribute = $attribute->getKey();
}
return $attribute;
})
->map(function ($attribute, $key) use (&$definition, $evaluateRelations) {
if (is_callable($attribute) && ! is_string($attribute) && ! is_array($attribute)) {
$attribute = $attribute($definition);
}
$attribute = $evaluateRelations($attribute);
$definition[$key] = $attribute;
return $attribute;
})
->all();
}
/**
* Add a new state transformation to the model definition.
*
* @param (callable(array<string, mixed>, \Illuminate\Database\Eloquent\Model|null): array<string, mixed>)|array<string, mixed> $state
* @return static
*/
public function state($state)
{
return $this->newInstance([
'states' => $this->states->concat([
is_callable($state) ? $state : function () use ($state) {
return $state;
},
]),
]);
}
/**
* Set a single model attribute.
*
* @param string|int $key
* @param mixed $value
* @return static
*/
public function set($key, $value)
{
return $this->state([$key => $value]);
}
/**
* Add a new sequenced state transformation to the model definition.
*
* @param array $sequence
* @return static
*/
public function sequence(...$sequence)
{
return $this->state(new Sequence(...$sequence));
}
/**
* Add a new sequenced state transformation to the model definition and update the pending creation count to the size of the sequence.
*
* @param array $sequence
* @return static
*/
public function forEachSequence(...$sequence)
{
return $this->state(new Sequence(...$sequence))->count(count($sequence));
}
/**
* Add a new cross joined sequenced state transformation to the model definition.
*
* @param array $sequence
* @return static
*/
public function crossJoinSequence(...$sequence)
{
return $this->state(new CrossJoinSequence(...$sequence));
}
/**
* Define a child relationship for the model.
*
* @param \Illuminate\Database\Eloquent\Factories\Factory $factory
* @param string|null $relationship
* @return static
*/
public function has(self $factory, $relationship = null)
{
return $this->newInstance([
'has' => $this->has->concat([new Relationship(
$factory, $relationship ?? $this->guessRelationship($factory->modelName())
)]),
]);
}
/**
* Attempt to guess the relationship name for a "has" relationship.
*
* @param string $related
* @return string
*/
protected function guessRelationship(string $related)
{
$guess = Str::camel(Str::plural(class_basename($related)));
return method_exists($this->modelName(), $guess) ? $guess : Str::singular($guess);
}
/**
* Define an attached relationship for the model.
*
* @param \Illuminate\Database\Eloquent\Factories\Factory|\Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array $factory
* @param (callable(): array<string, mixed>)|array<string, mixed> $pivot
* @param string|null $relationship
* @return static
*/
public function hasAttached($factory, $pivot = [], $relationship = null)
{
return $this->newInstance([
'has' => $this->has->concat([new BelongsToManyRelationship(
$factory,
$pivot,
$relationship ?? Str::camel(Str::plural(class_basename(
$factory instanceof Factory
? $factory->modelName()
: Collection::wrap($factory)->first()
)))
)]),
]);
}
/**
* Define a parent relationship for the model.
*
* @param \Illuminate\Database\Eloquent\Factories\Factory|\Illuminate\Database\Eloquent\Model $factory
* @param string|null $relationship
* @return static
*/
public function for($factory, $relationship = null)
{
return $this->newInstance(['for' => $this->for->concat([new BelongsToRelationship(
$factory,
$relationship ?? Str::camel(class_basename(
$factory instanceof Factory ? $factory->modelName() : $factory
))
)])]);
}
/**
* Provide model instances to use instead of any nested factory calls when creating relationships.
*
* @param \Illuminate\Database\Eloquent\Model|\Illuminate\Support\Collection|array $model
* @return static
*/
public function recycle($model)
{
// Group provided models by the type and merge them into existing recycle collection
return $this->newInstance([
'recycle' => $this->recycle
->flatten()
->merge(
Collection::wrap($model instanceof Model ? func_get_args() : $model)
->flatten()
)->groupBy(fn ($model) => get_class($model)),
]);
}
/**
* Retrieve a random model of a given type from previously provided models to recycle.
*
* @param string $modelClassName
* @return \Illuminate\Database\Eloquent\Model|null
*/
public function getRandomRecycledModel($modelClassName)
{
return $this->recycle->get($modelClassName)?->random();
}
/**
* Add a new "after making" callback to the model definition.
*
* @param \Closure(\Illuminate\Database\Eloquent\Model|TModel): mixed $callback
* @return static
*/
public function afterMaking(Closure $callback)
{
return $this->newInstance(['afterMaking' => $this->afterMaking->concat([$callback])]);
}
/**
* Add a new "after creating" callback to the model definition.
*
* @param \Closure(\Illuminate\Database\Eloquent\Model|TModel): mixed $callback
* @return static
*/
public function afterCreating(Closure $callback)
{
return $this->newInstance(['afterCreating' => $this->afterCreating->concat([$callback])]);
}
/**
* Call the "after making" callbacks for the given model instances.
*
* @param \Illuminate\Support\Collection $instances
* @return void
*/
protected function callAfterMaking(Collection $instances)
{
$instances->each(function ($model) {
$this->afterMaking->each(function ($callback) use ($model) {
$callback($model);
});
});
}
/**
* Call the "after creating" callbacks for the given model instances.
*
* @param \Illuminate\Support\Collection $instances
* @param \Illuminate\Database\Eloquent\Model|null $parent
* @return void
*/
protected function callAfterCreating(Collection $instances, ?Model $parent = null)
{
$instances->each(function ($model) use ($parent) {
$this->afterCreating->each(function ($callback) use ($model, $parent) {
$callback($model, $parent);
});
});
}
/**
* Specify how many models should be generated.
*
* @param int|null $count
* @return static
*/
public function count(?int $count)
{
return $this->newInstance(['count' => $count]);
}
/**
* Specify the database connection that should be used to generate models.
*
* @param string $connection
* @return static
*/
public function connection(string $connection)
{
return $this->newInstance(['connection' => $connection]);
}
/**
* Create a new instance of the factory builder with the given mutated properties.
*
* @param array $arguments
* @return static
*/
protected function newInstance(array $arguments = [])
{
return new static(...array_values(array_merge([
'count' => $this->count,
'states' => $this->states,
'has' => $this->has,
'for' => $this->for,
'afterMaking' => $this->afterMaking,
'afterCreating' => $this->afterCreating,
'connection' => $this->connection,
'recycle' => $this->recycle,
], $arguments)));
}
/**
* Get a new model instance.
*
* @param array<string, mixed> $attributes
* @return \Illuminate\Database\Eloquent\Model|TModel
*/
public function newModel(array $attributes = [])
{
$model = $this->modelName();
return new $model($attributes);
}
/**
* Get the name of the model that is generated by the factory.
*
* @return class-string<\Illuminate\Database\Eloquent\Model|TModel>
*/
public function modelName()
{
$resolver = static::$modelNameResolver ?? function (self $factory) {
$namespacedFactoryBasename = Str::replaceLast(
'Factory', '', Str::replaceFirst(static::$namespace, '', get_class($factory))
);
$factoryBasename = Str::replaceLast('Factory', '', class_basename($factory));
$appNamespace = static::appNamespace();
return class_exists($appNamespace.'Models\\'.$namespacedFactoryBasename)
? $appNamespace.'Models\\'.$namespacedFactoryBasename
: $appNamespace.$factoryBasename;
};
return $this->model ?? $resolver($this);
}
/**
* Specify the callback that should be invoked to guess model names based on factory names.
*
* @param callable(self): class-string<\Illuminate\Database\Eloquent\Model|TModel> $callback
* @return void
*/
public static function guessModelNamesUsing(callable $callback)
{
static::$modelNameResolver = $callback;
}
/**
* Specify the default namespace that contains the application's model factories.
*
* @param string $namespace
* @return void
*/
public static function useNamespace(string $namespace)
{
static::$namespace = $namespace;
}
/**
* Get a new factory instance for the given model name.
*
* @param class-string<\Illuminate\Database\Eloquent\Model> $modelName
* @return \Illuminate\Database\Eloquent\Factories\Factory
*/
public static function factoryForModel(string $modelName)
{
$factory = static::resolveFactoryName($modelName);
return $factory::new();
}
/**
* Specify the callback that should be invoked to guess factory names based on dynamic relationship names.
*
* @param callable(class-string<\Illuminate\Database\Eloquent\Model>): class-string<\Illuminate\Database\Eloquent\Factories\Factory> $callback
* @return void
*/
public static function guessFactoryNamesUsing(callable $callback)
{
static::$factoryNameResolver = $callback;
}
/**
* Get a new Faker instance.
*
* @return \Faker\Generator
*/
protected function withFaker()
{
return Container::getInstance()->make(Generator::class);
}
/**
* Get the factory name for the given model name.
*
* @param class-string<\Illuminate\Database\Eloquent\Model> $modelName
* @return class-string<\Illuminate\Database\Eloquent\Factories\Factory>
*/
public static function resolveFactoryName(string $modelName)
{
$resolver = static::$factoryNameResolver ?? function (string $modelName) {
$appNamespace = static::appNamespace();
$modelName = Str::startsWith($modelName, $appNamespace.'Models\\')
? Str::after($modelName, $appNamespace.'Models\\')
: Str::after($modelName, $appNamespace);
return static::$namespace.$modelName.'Factory';
};
return $resolver($modelName);
}
/**
* Get the application namespace for the application.
*
* @return string
*/
protected static function appNamespace()
{
try {
return Container::getInstance()
->make(Application::class)
->getNamespace();
} catch (Throwable $e) {
return 'App\\';
}
}
/**
* Proxy dynamic factory methods onto their proper methods.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
if (static::hasMacro($method)) {
return $this->macroCall($method, $parameters);
}
if ($method === 'trashed' && in_array(SoftDeletes::class, class_uses_recursive($this->modelName()))) {
return $this->state([
$this->newModel()->getDeletedAtColumn() => $parameters[0] ?? Carbon::now()->subDay(),
]);
}
if (! Str::startsWith($method, ['for', 'has'])) {
static::throwBadMethodCallException($method);
}
$relationship = Str::camel(Str::substr($method, 3));
$relatedModel = get_class($this->newModel()->{$relationship}()->getRelated());
if (method_exists($relatedModel, 'newFactory')) {
$factory = $relatedModel::newFactory() ?? static::factoryForModel($relatedModel);
} else {
$factory = static::factoryForModel($relatedModel);
}
if (str_starts_with($method, 'for')) {
return $this->for($factory->state($parameters[0] ?? []), $relationship);
} elseif (str_starts_with($method, 'has')) {
return $this->has(
$factory
->count(is_numeric($parameters[0] ?? null) ? $parameters[0] : 1)
->state((is_callable($parameters[0] ?? null) || is_array($parameters[0] ?? null)) ? $parameters[0] : ($parameters[1] ?? [])),
$relationship
);
}
}
}
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