Laravel 8: Passing Factory properties into children relationships - laravel

Question

we are currently working on a laravel 8 application. We are trying to create factories to create some dummy data for manual / developer based application testing.
The current code of my main Database-Seeder is below:
class DatabaseSeeder extends Seeder
{
public function run()
{
$this->call([
UserTableSeeder::class,
]);
\App\Models\User::factory(10)->create();
\App\Models\Activity::factory(5)->create();
/* 1. try
$tenFact = \App\Models\Tenant::factory(2)->has(
\App\Models\Project::factory(2)->state(
function (array $attributes, \App\Models\Tenant $tenant) {
return ['tenant_id' => $attributes['id']];
}
)->hasTasks(5)->hasLocation()
)->hasContracts(3)->create();
*/
/* Currently being used: */
\App\Models\Tenant::factory(10)->has(
\App\Models\Project::factory(5)->hasTasks(5)->hasLocation()
)->hasContracts(3)->create();
}
ProjectFactory.php:
class ProjectFactory extends Factory
{
protected $model = Project::class;
public function definition()
{
return [
'name' => 'Projekt: '. $this->faker->name,
'budget' => $this->faker->randomDigitNotNull*1000,
'progress' => $this->faker->randomDigitNotNull*10,
'budget_used' => $this->faker->randomDigitNotNull*50,
//'tenant_id' => Tenant::factory(),
'location_id' => Location::factory()->hasTenant(1),
];
}
}
LocationFactory.php:
class LocationFactory extends Factory
{
protected $model = Location::class;
public function definition()
{
return [
'name' => 'Standort: ' . $this->faker->company,
'street' => $this->faker->streetName,
'house_number' => $this->faker->buildingNumber,
'house_addition' => $this->faker->secondaryAddress,
'zip' => $this->faker->postcode,
'city' => $this->faker->city,
'tenant_id' => Tenant::factory(),
];
}
}
Our relationships look like this:
Tenant
|-- Project (has: tenant_id, but also has location_id)
| | -- Task (has: project_id)
|-- Locations (has: tenant_id)
|-- Contracts (has: tenant_id)
When creating datasets with the above named Tenant-Factory the following happens:
Tenant->id is being passed to Project(tenant_id)
but: Tenant->id is not being passend to Location (which depends on the tenants id but is also used for Project).
How can we pass the id of \App\Models\Tenant::factory(10) to Project::factory(5)->hasTasks(5)->hasLocation()?
Additionally we do have the problem, that even though we request 10 tenants, we will get around 60, because Location/Project create new objects when they should be using existing ones.

Answer 1

I gave up using the chained usage of the Tenant-Factory - I finally used some for-Loop that connected the related objects to each user by using laravels for() and state() methods:
for ($i=0; $i < 10 ; $i++) {
$tenant = \App\Models\Tenant::factory()->hasContracts(3)->create();
for ($j=0; $j < 5; $j++) {
$location = \App\Models\Location::factory(1)->for($tenant)->create();
$project = \App\Models\Project::factory(1)->state([
'location_id' => $location->first()['id'],
'tenant_id' => $tenant['id']])->hasTasks(5)->create();
}
}

Answer 2

class ProjectFactory extends Factory
{
$location_ids = App\Models\Location::pluck('id')->toArray();
protected $model = Project::class;
public function definition()
{
return [
'name' => 'Projekt: '. $this->faker->name,
'budget' => $this->faker->randomDigitNotNull*1000,
'progress' => $this->faker->randomDigitNotNull*10,
'budget_used' => $this->faker->randomDigitNotNull*50,
//'tenant_id' => Tenant::factory(),
'location_id'=> $faker->randomElement($location_ids),
];
}
}
class LocationFactory extends Factory
{
$tenant_ids = App\Models\Tenant::pluck('id')->toArray();
protected $model = Location::class;
public function definition()
{
return [
'name' => 'Standort: ' . $this->faker->company,
'street' => $this->faker->streetName,
'house_number' => $this->faker->buildingNumber,
'house_addition' => $this->faker->secondaryAddress,
'zip' => $this->faker->postcode,
'city' => $this->faker->city,
'tenant_id'=> $faker->randomElement($tenant_ids),
];
}
}