Laravel 8 个工厂

Question

谁能告诉我如何用关系等建立工厂......

我有一个带有 2 个外键的 post 表:user_id 和 category_id我需要生成虚拟数据，但我不知道该怎么做。

我曾尝试先创建类别，然后对帖子和用户做一些事情，但没有成功。

后工厂:

public function definition()
{
    $title = $this->faker->sentence;
    $slug = Str::slug($title);
    return [
        'title' => $title,
        'slug' => $slug,
        'image' => $this->faker->imageUrl(900, 300),
        'content' => $this->faker->text(300),
    ];
}

类别工厂:

public function definition()
{
    $category = $this->faker->words(2, true);
    $slug = Str::slug($category);
    return [
        'category' => $category,
        'slug' => $slug
    ];
}

而用户工厂只是默认的:)

Answer 1

您可以检查您是否有足够的记录，并查询数据库以找到随机用户和类别以用于每个帖子。但是，如果没有足够的记录(20 个用户和 7 个类别)，请创建一个新记录。

后工厂:

public function definition()
{
    $title = $this->faker->sentence;
    $slug = Str::slug($title);
    $user = User::count() >= 20 ? User::inRandomOrder()->first()->id: User::factory();
    $category = Category::count() >= 7 ? Category::inRandomOrder()->first()->id: Category::factory();

    return [
        'title' => $title,
        'slug' => $slug,
        'image' => $this->faker->imageUrl(900, 300),
        'content' => $this->faker->text(300),
        'user_id' => $user,
        'category_id' => $category,
    ];
}