swt23w23/src/main/java/catering/inventory/InventoryInizializer.java

/*
 * Copyright (C) 2023 Simon Bruder
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package catering.inventory;

import org.salespointframework.core.DataInitializer;
import org.salespointframework.inventory.UniqueInventory;
import org.salespointframework.inventory.UniqueInventoryItem;
import org.salespointframework.quantity.Quantity;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;

import catering.catalog.CateringCatalog;

@Component
class InventoryInitializer implements DataInitializer {
	private final UniqueInventory<UniqueInventoryItem> inventory;
	private final CateringCatalog cateringCatalog;

	InventoryInitializer(UniqueInventory<UniqueInventoryItem> inventory, CateringCatalog cateringCatalog) {
		Assert.notNull(inventory, "Inventory must not be null!");
		Assert.notNull(cateringCatalog, "CateringCatalog must not be null!");

		this.inventory = inventory;
		this.cateringCatalog = cateringCatalog;
	}

	@Override
	public void initialize() {
		cateringCatalog.findAll().forEach(product -> {
			if (inventory.findByProduct(product).isEmpty()) {
				inventory.save(new UniqueInventoryItem(product, Quantity.of(10)));
			}
		});
	}
}