public function load(\Doctrine\Common\Persistence\ObjectManager $manager)
{
$faker = \Faker\Factory::create();
for ($i = 1; $i <= 1000; $i++) {
$product = new \AppBundle\Entity\Product();
$product->setName(ucfirst($faker->sentence(3)));
$product->setDescription($faker->text);
$product->setPrice($faker->randomFloat());
$product->setAmount($faker->numberBetween(0, 20));
$product->setCategory($this->getReference('category-' . $faker->numberBetween(1, 100)));
$manager->persist($product);
}
$manager->flush();
}