Fix the remove methods to work again

src/main/java/catering/orderCatalog/CatalogController.java

@@ -11,8 +11,6 @@ import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestParam;
 
-import javax.money.Monetary;
-import javax.money.MonetaryAmount;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -27,7 +25,7 @@ public class CatalogController {
 		productSet = new HashSet<>();
 		formCatalogEntry = new CustomCatalogEntry(
 				OrderType.EVENT_CATERING,
-				new HashMap<String, Integer>(),
+				new HashMap<String, Quantity>(),
 				0,
 				0);
 		this.catalogEntryRepository = catalogEntryRepository;
@@ -53,11 +51,11 @@ public class CatalogController {
 								  @RequestParam int minimumTimePeriod,
 								  @RequestParam int totalCost,
 								  Model model) {
-		Map<String, Integer> products = new HashMap<String, Integer>();
+		Map<String, Quantity> products = new HashMap<String, Quantity>();
 
 		for (Product product : productSet) {
 			// TODO: Map each product to its quantity (Quantity)
-			products.put(product.getName(), 0);
+			products.put(product.getName(), Quantity.of(3));
 		}
 
 		catalogEntryRepository.save(new CustomCatalogEntry(
@@ -67,7 +65,7 @@ public class CatalogController {
 				totalCost));
 		this.formCatalogEntry = new CustomCatalogEntry(
 				OrderType.EVENT_CATERING,
-				new HashMap<String, Integer>(),
+				new HashMap<String, Quantity>(),
 				0,
 				0);
 		productSet.clear();
@@ -77,42 +75,38 @@ public class CatalogController {
 	}
 
 	// Removes a catalog entry
-	/* TODO: reimplement this
 	@PostMapping("/catalog/remove")
-	public String removeEntry(@RequestParam int catalogEntryID) {
-		catalogEntryRepository.removeCatalogEntry(catalogEntryID);
+	public String removeEntry(@RequestParam long catalogEntryID) {
+		Optional<CustomCatalogEntry> entry = catalogEntryRepository.findById(catalogEntryID);
+		catalogEntryRepository.delete(catalogEntryRepository.findById(catalogEntryID).get());
+		System.out.println(catalogEntryID);
+		// TODO: use catalogEntryRepository.findById(); to find the object
 		return "redirect:/catalog";
 	}
-	 */
 
 	@PostMapping("/catalog_editor/addProduct")
 	public String addProduct(@RequestParam("pid") Product product, @RequestParam("number") int number) {
-		// TODO: This has to get a price
 		Quantity amount = Quantity.of(number);
 		productSet.add(new Product(product.getName(), product.getPrice()));
 		// TODO: formCatalogEntry.addProduct has to use Quantity amount instead of int number
-		formCatalogEntry.addProduct(product.getName(), number);
+		formCatalogEntry.addProduct(product.getName(), amount);
 		return "redirect:/catalog_editor";
 	}
 
 	// Removes a product from the catalog_editor
-	/* TODO: reimplement this function based on Product
-	@PostMapping("/catalog_editor/remove_product")
+	@PostMapping("/catalog_editor/removeProduct")
 	public String removeProduct(@RequestParam String id, Model model) {
 		Iterator<Product> iterator = productSet.iterator();
 		while (iterator.hasNext()) {
 			Product currentProduct = iterator.next();
 
 			// TODO: Have a look at salespointframework.catalog.Product.ProductIdentifier, maybe use productSet.remove()
-			if (currentProduct.getId() == Integer.parseInt(id)) {
+			if (currentProduct.getId().toString().equals(id)) {
 				iterator.remove();
-				productSet.remove(currentProduct.getId());
-				currentProduct.getId();
 			}
 		}
 		return "redirect:/catalog_editor";
 	}
-	 */
 
 	@PostMapping("/catalog_editor/addTime")
 	public String addTime(@RequestParam int minimumTimePeriod,

src/main/java/catering/orderCatalog/CustomCatalogEntry.java

@@ -2,26 +2,24 @@ package catering.orderCatalog;
 
 import catering.order.OrderType;
 import jakarta.persistence.*;
+import org.salespointframework.quantity.Quantity;
 
 import java.util.Map;
 
 @Entity
 public class CustomCatalogEntry {
-	static int idCounter = 0;
-
 	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
 	@Column(name = "id")
-	private long id;
+	private Long id;
 	private OrderType eventType;
 
 	@ElementCollection
-	private Map<String, Integer> products;
+	private Map<String, Quantity> products;
 	private int minimumTimePeriod;  // Declared as int for simplification of the prototype. Only whole hours.
 	private int totalCost;  // Should actually accumulate the price of all items.
 
-	public CustomCatalogEntry(OrderType eventType, Map<String, Integer> products, int minimumTimePeriod, int totalCost) {
-		this.id = idCounter;
-		idCounter++;
+	public CustomCatalogEntry(OrderType eventType, Map<String, Quantity> products, int minimumTimePeriod, int totalCost) {
 		this.eventType = eventType;
 		this.products = products;
 		this.minimumTimePeriod = minimumTimePeriod;
@@ -40,7 +38,7 @@ public class CustomCatalogEntry {
 		return eventType;
 	}
 
-	public Map<String, Integer> getProducts() {
+	public Map<String, Quantity> getProducts() {
 		return products;
 	}
 
@@ -56,11 +54,11 @@ public class CustomCatalogEntry {
 		this.eventType = eventType;
 	}
 
-	public void addProduct(String name, Integer count) {
+	public void addProduct(String name, Quantity count) {
 		this.products.put(name, count);
 	}
 
-	public void setProducts(Map<String, Integer> products) {
+	public void setProducts(Map<String, Quantity> products) {
 		this.products = products;
 	}
 	public void setMinimumTimePeriod(int timePeriod) {

src/main/java/catering/orderCatalog/CustomCatalogEntryDataInitializer.java

@@ -3,6 +3,7 @@ package catering.orderCatalog;
 import catering.order.OrderType;
 import org.salespointframework.catalog.Product;
 import org.salespointframework.core.DataInitializer;
+import org.salespointframework.quantity.Quantity;
 import org.springframework.stereotype.Component;
 
 import javax.money.CurrencyUnit;
@@ -31,10 +32,10 @@ public class CustomCatalogEntryDataInitializer implements DataInitializer {
 			.setCurrency(currencyUnit)
 			.setNumber(2)
 			.create()), 30);
-		// TODO: insert an actual name instead of "new Hashmap<>()"
-		Map<String, Integer> productsFormatted = new HashMap<String, Integer>();
+
+		Map<String, Quantity> productsFormatted = new HashMap<String, Quantity>();
 		for (Product product : products.keySet()) {
-			productsFormatted.put(product.getName(), 5);
+			productsFormatted.put(product.getName(), Quantity.of(5));
 		}
 		System.out.println(productsFormatted);
 		catalogEntryRepository.save(

src/main/resources/templates/catalog_editor.html

@@ -40,7 +40,7 @@
 						<td th:text="${item.getName()}">
 						<td th:text="${item.getPrice()}">€
 						<td>
-							<form method="post" th:action="@{/catalog_editor/remove_product}">
+							<form method="post" th:action="@{/catalog_editor/removeProduct}">
 								<input class="form-control w-auto d-inline-block" type="hidden" name="id" th:value="${item.getId()}">
 								<button class="btn btn-danger" type="submit">Entfernen</button>
 							</form>