Associate rentables with order and event explicitly

This closes #74

Co-authored-by: Theo Reichert <theo.reichert@mailbox.tu-dresden.de>

src/main/java/catering/catalog/CateringCatalog.java

@@ -19,11 +19,14 @@ package catering.catalog;
 import org.salespointframework.catalog.Catalog;
 import org.salespointframework.catalog.Product;
 import org.springframework.data.domain.Sort;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.util.Streamable;
 import org.springframework.lang.NonNull;
 
 import catering.order.OrderType;
+import org.springframework.stereotype.Repository;
 
+@Repository
 public interface CateringCatalog extends Catalog<Product> {
 	static final Sort DEFAULT_SORT = Sort.sort(Product.class).by(Product::getName).ascending();
 
@@ -46,8 +49,14 @@ public interface CateringCatalog extends Catalog<Product> {
 		return findByCategories(category, DEFAULT_SORT);
 	}
 
-	Streamable<Product> findRentablesByCategories(@NonNull String category);
+	@Query("select p from #{#entityName} p")
+	Streamable<Rentable> findRentables();
 
-	Streamable<Product> findConsumablesByCategories(@NonNull String category);
+	@Query("select p from #{#entityName} p")
+	Streamable<Consumable> findConsumables();
+
+	Streamable<Rentable> findRentablesByCategoriesContains(@NonNull String category);
+
+	Streamable<Consumable> findConsumablesByCategoriesContains(@NonNull String category);
 
 }

src/main/java/catering/catalog/Rentable.java

@@ -15,6 +15,7 @@ import jakarta.persistence.Entity;
 public class Rentable extends Product {
 
 	private MonetaryAmount wholesalePrice;
+	private MonetaryAmount pricePerHour;
 
 	@SuppressWarnings({ "deprecation" })
 	public Rentable() {
@@ -41,4 +42,8 @@ public class Rentable extends Product {
 	public MonetaryAmount getRetailPrice() {
 		return super.getPrice();
 	}
+
+	public MonetaryAmount getPriceForTime(int hours) {
+		return getPrice().multiply(hours).add(getPrice());
+	}
 }

src/main/java/catering/order/CustomCart.java

@@ -1,8 +1,13 @@
 package catering.order;
 
+import catering.catalog.Rentable;
 import catering.staff.Employee;
 import org.javamoney.moneta.Money;
+import org.salespointframework.inventory.UniqueInventory;
+import org.salespointframework.inventory.UniqueInventoryItem;
 import org.salespointframework.order.Cart;
+import org.salespointframework.order.CartItem;
+import org.salespointframework.order.OrderLine;
 
 import javax.money.MonetaryAmount;
 import java.time.Duration;
@@ -63,6 +68,31 @@ public class CustomCart extends Cart {
 		return order;
 	}
 
+	/**
+	 * Add ChargeLines for rental costs of each Rentable to {@param order}
+	 */
+	public CustomOrder addRentablesToOrder(CustomOrder order, UniqueInventory<UniqueInventoryItem> inventory) {
+		for (CartItem item : this) {
+			if (item.getProduct() instanceof Rentable rentable) {
+				OrderLine orderLine = order.getOrderLines(rentable).stream().findFirst().get();
+
+				order.addChargeLine(
+					rentable.getPrice()
+						.multiply(getDurationInHours())
+						.multiply(item.getQuantity().getAmount()),
+					"rental costs",
+					orderLine
+				);
+
+
+				// neutralises automatic reduction of rentables in inventory
+				inventory.save(inventory.findByProduct(rentable).get().increaseQuantity(orderLine.getQuantity()));
+			}
+		}
+
+		return order;
+	}
+
 	public OrderType getOrderType() {
 		return orderType;
 	}
@@ -80,10 +110,10 @@ public class CustomCart extends Cart {
 	}
 
 	/**
-	 * @return hours between start and finish multiplied with a rate
+	 * @return hours between start and finish
 	 */
-	public double getDurationInHoursTimesRate(double rate) {
+	public int getDurationInHours() {
-		return (float) Duration.between(start, finish).getSeconds() / 3600 * rate;
+		return (int) (Duration.between(start, finish).getSeconds() / 3600);
 	}
 
 	public LocalDateTime getFinish() {
@@ -100,14 +130,19 @@ public class CustomCart extends Cart {
 
 	@Override
 	public MonetaryAmount getPrice() {
-		MonetaryAmount total = super.getPrice();
+		MonetaryAmount total = Money.of(0, "EUR");
 
-		for (int i = 0; i < staff.size(); i++) { // TODO: get this from employee itself
+		for (CartItem item : this) {
-			total = total.add(Money.of(getDurationInHoursTimesRate(12.0), "EUR"));
+			if (item.getProduct() instanceof Rentable rentable) {
+				// final_price = (price + price * time) * quantity
+				total = total.add(rentable.getPriceForTime(getDurationInHours()).multiply(item.getQuantity().getAmount()));
+			} else {
+				total = total.add(item.getProduct().getPrice().multiply(item.getQuantity().getAmount()));
+			}
 		}
 
 		for (Employee employee : staff) {
-			total = total.add(Money.of(getDurationInHoursTimesRate(12), "EUR")); // TODO: get from employee
+			total = total.add(Money.of(getDurationInHours() * employee.getWage(), "EUR"));
 		}
 
 		return total;

src/main/java/catering/order/CustomOrder.java

@@ -22,7 +22,7 @@ public class CustomOrder extends Order {
 	private Long id;
 	@ManyToMany
 	private Set<Employee> staff;
-	private OrderType orderType = OrderType.SOMETHING_ELSE;
+	private OrderType orderType = OrderType.EVENT_CATERING;
 	private LocalDateTime start;
 	private LocalDateTime finish;
 	private boolean invoiceAvailable = false;
@@ -44,7 +44,7 @@ public class CustomOrder extends Order {
 	 * Helper function to get the amount of hours in between start and finish (analogous to CustomCart)
 	 * @return hours between start and finish
 	 */
-	private long getDurationInHours(LocalDateTime start, LocalDateTime finish) {
+	public long getDurationInHours() {
 		return Duration.between(start, finish).getSeconds() / 3600;
 	}
 
@@ -52,8 +52,8 @@ public class CustomOrder extends Order {
 	 * Adds an employee to the order and adds a new {@Link ChangeLine} containing the costs
 	 */
 	public boolean addEmployee(Employee employee) {
-		MonetaryAmount cost = Money.of(12.0, "EUR")
+		MonetaryAmount cost = Money.of(employee.getWage(), "EUR")
-			.multiply(getDurationInHours(this.start, this.finish)); // TODO: Get salary from employee
+			.multiply(getDurationInHours());
 
 		if (this.staff.add(employee)) {
 			super.addChargeLine(cost, employee.getId().toString());

src/main/java/catering/order/CustomOrderRepository.java

@@ -0,0 +1,24 @@
+package catering.order;
+
+import catering.catalog.Rentable;
+import org.salespointframework.inventory.UniqueInventory;
+import org.salespointframework.inventory.UniqueInventoryItem;
+import org.salespointframework.order.Order;
+import org.salespointframework.quantity.Quantity;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.util.Streamable;
+import org.springframework.data.repository.Repository;
+
+import java.time.LocalDateTime;
+
+public interface CustomOrderRepository extends Repository<CustomOrder, Order.OrderIdentifier>{
+
+	@Query("""
+			select order from #{#entityName} order
+			where
+				not order.start > ?2 and
+				not order.finish < ?1
+			""")
+	Streamable<CustomOrder> findOrdersByInterval(LocalDateTime start, LocalDateTime finish);
+
+}

src/main/java/catering/order/OrderController.java

@@ -1,5 +1,8 @@
 package catering.order;
 
+import catering.catalog.CateringCatalog;
+import catering.catalog.Consumable;
+import catering.catalog.Rentable;
 import catering.staff.Employee;
 import catering.staff.StaffManagement;
 import org.salespointframework.catalog.Product;
@@ -11,7 +14,6 @@ import org.salespointframework.useraccount.Role;
 import org.salespointframework.useraccount.UserAccount;
 import org.salespointframework.useraccount.web.LoggedIn;
 import org.springframework.data.domain.Pageable;
-import org.springframework.data.util.Streamable;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -31,11 +33,15 @@ import java.util.stream.Collectors;
 public class OrderController {
 
 	private final OrderManagement<CustomOrder> orderManagement;
+	private final CustomOrderRepository customOrderRepository;
 	private final UniqueInventory<UniqueInventoryItem> inventory;
+	private  final CateringCatalog catalog;
 	private final StaffManagement staffManagement;
 
-	public OrderController(OrderManagement<CustomOrder> orderManagement, UniqueInventory<UniqueInventoryItem> inventory, StaffManagement staffManagement) {
+	public OrderController(OrderManagement<CustomOrder> orderManagement, CustomOrderRepository customOrderRepository, UniqueInventory<UniqueInventoryItem> inventory, CateringCatalog catalog, StaffManagement staffManagement) {
 		this.orderManagement = orderManagement;
+		this.customOrderRepository = customOrderRepository;
+		this.catalog = catalog;
 		this.inventory = inventory;
 		this.staffManagement = staffManagement;
 	}
@@ -71,11 +77,9 @@ public class OrderController {
 		// Obtains an instance of LocalDate from a text string such as 2007-12-03.
 		LocalDate date = LocalDate.parse(day);
 
-		List<CustomOrder> myOrders = orderManagement.findAll(Pageable.unpaged()).stream().filter(
+		List<CustomOrder> myOrders = customOrderRepository.findOrdersByInterval(date.atStartOfDay(),
-			order ->
+			date.atStartOfDay().plusHours(23).withMinute(59).withSecond(59))
-				(order.getStart().toLocalDate().isBefore(date) || order.getStart().toLocalDate().isEqual(date))
+			.stream().toList();
-					&& (order.getFinish().toLocalDate().isAfter(date) || order.getFinish().toLocalDate().isEqual(date))
-		).collect(Collectors.toList());
 
 		model.addAttribute("orders", myOrders);
 		model.addAttribute("total", myOrders.size());
@@ -84,19 +88,45 @@ public class OrderController {
 
 	@ModelAttribute("event")
 	CustomCart initializeCart() {
-		return new CustomCart(OrderType.SOMETHING_ELSE, LocalDateTime.now().plusDays(7),
+		return new CustomCart(OrderType.EVENT_CATERING, LocalDateTime.now().plusDays(7),
-			LocalDateTime.now().plusDays(7));
+			LocalDateTime.now().plusDays(7).plusHours(1));
 	}
 
 	@GetMapping("/event")
 	@PreAuthorize("hasRole('CUSTOMER')")
 	public String event(Model model, @ModelAttribute("event") CustomCart cart) {
-		model.addAttribute("items", cart.stream().collect(Collectors.toList()));
+
+		model.addAttribute("cartRentables", cart.stream().filter(item -> item.getProduct() instanceof Rentable).toList());
+
+		model.addAttribute("cartConsumables", cart.stream().filter(item -> item.getProduct() instanceof Consumable).toList());
+
 		model.addAttribute("totalPrice", cart.getPrice());
-		model.addAttribute("invItems", inventory.findAll().stream().collect(Collectors.toList()));
+
-		Set<Employee> myStaff = new HashSet<>();
+		Map<Consumable, Quantity> invConsumables = new HashMap<>();
-		staffManagement.findAll().forEach(myStaff::add);
+		catalog.findConsumablesByCategoriesContains(cart.getOrderType().toString()).forEach(consumable ->
-		model.addAttribute("allStaff", myStaff);
+			invConsumables.put(
+				consumable,
+				inventory.findByProduct(consumable).get().getQuantity())
+		);
+
+		model.addAttribute("invConsumables", invConsumables);
+
+		model.addAttribute(
+			"invRentables",
+			catalog.findRentablesByCategoriesContains(cart.getOrderType().toString())
+				.stream()
+				.collect(Collectors.toMap(rentable -> rentable, rentable -> findFreeAmountInInterval(
+					rentable,
+					cart.getStart(),
+					cart.getFinish(),
+					inventory,
+					customOrderRepository))));
+
+		model.addAttribute("allStaff", staffManagement.findAll().stream().toList());
+
+		model.addAttribute("duration", cart.getDurationInHours());
+
+		model.addAttribute("minDate", LocalDate.now().plusDays(7));
 
 		return "event";
 	}
@@ -140,14 +170,24 @@ public class OrderController {
 	@PostMapping("/event/addProduct")
 	@PreAuthorize("hasRole('CUSTOMER')")
 	public String addProduct(@RequestParam("pid") Product product, @RequestParam("number") int number, @ModelAttribute("event") CustomCart cart) {
-
 		Quantity amount = Quantity.of(number > 0 ? number : 1);
-		Quantity invAmount = inventory.findByProduct(product).get().getQuantity(); // TODO ERROR HANDLING
 		Quantity cartQuantity = cart.getQuantity(product);
+		Quantity available;
+
+		if (product instanceof Rentable rentable) {
+			available = findFreeAmountInInterval(
+				rentable,
+				cart.getStart(),
+				cart.getFinish(),
+				inventory,
+				customOrderRepository);
+		} else {
+			available = inventory.findByProduct(product).get().getQuantity();
+		}
 
 		// check for possible miss-inputs
-		if (amount.add(cartQuantity).isGreaterThan(invAmount)) {
+		if (amount.add(cartQuantity).isGreaterThan(available)) {
-			cart.addOrUpdateItem(product, cartQuantity.negate().add(invAmount));
+			cart.addOrUpdateItem(product, cartQuantity.negate().add(available));
 		} else {
 			cart.addOrUpdateItem(product, amount);
 		}
@@ -174,7 +214,7 @@ public class OrderController {
 		LocalDateTime startTime = LocalDateTime.of(start, LocalTime.of(unwrappedStartHour, 0));
 		LocalDateTime finishTime = LocalDateTime.of(finish,
 			LocalTime.of(unwrappedFinishHour <= unwrappedStartHour
-				&& !finish.isAfter(start) ? unwrappedStartHour+1 : unwrappedFinishHour, 0));
+				&& !finish.isAfter(start) ? (unwrappedStartHour+1) % 24 : unwrappedFinishHour, 0));
 
 		cart.setStart(startTime);
 		cart.setFinish(finishTime);
@@ -193,7 +233,8 @@ public class OrderController {
 			CustomOrder myOrder = new CustomOrder(account.getId(), cart);
 			cart.addItemsTo(myOrder);
 			cart.addStaffTo(myOrder);
-			orderManagement.payOrder(myOrder); // TODO: change this later
+			cart.addRentablesToOrder(myOrder, inventory);
+			orderManagement.payOrder(myOrder);
 			orderManagement.completeOrder(myOrder);
 			cart.clear();
 
@@ -203,27 +244,26 @@ public class OrderController {
 
 	@PostMapping("/event/changeOrderType")
 	@PreAuthorize("hasRole('CUSTOMER')")
-	public String changeOrderType(@RequestParam(name = "type") Optional<String> optionalOrderType, @ModelAttribute("event") CustomCart cart) {
+	public String changeOrderType(@RequestParam(name = "type") String orderType, @ModelAttribute("event") CustomCart cart) {
-		String orderType = optionalOrderType.orElse("FOO");
+		try {
-		switch (orderType) {
+			cart.setOrderType(OrderType.valueOf(orderType));
-			case "RaK":
+		} catch (IllegalArgumentException e) {
-				cart.setOrderType(OrderType.RENT_A_COOK);
-				break;
-			case "EK":
 			cart.setOrderType(OrderType.EVENT_CATERING);
-				break;
-			case "SN":
-				cart.setOrderType(OrderType.SUSHI_NIGHT);
-				break;
-			case "MB":
-				cart.setOrderType(OrderType.MOBILE_BREAKFAST);
-				break;
-			default:
-				cart.setOrderType(OrderType.SOMETHING_ELSE);
 		}
 		return "redirect:/event";
 	}
 
+	public static Quantity findFreeAmountInInterval(Rentable product, LocalDateTime start, LocalDateTime finish, UniqueInventory<UniqueInventoryItem> inventory, CustomOrderRepository customOrderRepository) {
+
+		return inventory.findByProduct(product)
+			.map(item -> item.getQuantity().subtract(
+				customOrderRepository.findOrdersByInterval(start, finish)
+					.flatMap(order -> order.getOrderLines(product).stream())
+					.map(OrderLine::getQuantity).stream()
+					.reduce(Quantity.NONE, Quantity::add)))
+			.orElse(Quantity.NONE);
+	}
+
 	@GetMapping("/orders/calender")
 	public String calender(Model model) {
 		ArrayList<ArrayList<String>> datesOfMonth = new ArrayList<ArrayList<String>>(28);
@@ -232,7 +272,7 @@ public class OrderController {
 		LocalDate startDate = startDateTime.toLocalDate();
 		LocalDate endDate = endDateTime.toLocalDate();
 
-		// create all dates of the calender
+		// create all dates of the calendar
 		for (LocalDate date = startDate; !date.isAfter(endDate); date = date.plusDays(1)) {
 			ArrayList<String> x = new ArrayList<String>(2);
 			x.add(Integer.toString(date.getDayOfMonth()));
@@ -240,19 +280,8 @@ public class OrderController {
 			datesOfMonth.add(x);
 		}
 
-		/*
-		 * FIXME: Do not load all orders into java,
-		 *  instead query orderManagement better to only return orders overlapping with interval [startDate,endDate]
-		 *  by using "query creation" of the jpa
-		 *  e.g. this.orderManagement.findByFinishDateIsNotBeforeAndStartDateIsNotAfter(LocalDateTime startDateTime, LocalDateTime endDateTime)
-		 */
-		Streamable<CustomOrder> x = this.orderManagement.findAll(Pageable.unpaged()).filter(e ->
-			!e.getFinish().toLocalDate().isBefore(startDate) && // end is not before today
-			!e.getStart().toLocalDate().isAfter(endDate)
-		);
-
 		// add each order overlapping with the calendar to the days it overlaps with
-		for (CustomOrder order : x) {
+		for (CustomOrder order : customOrderRepository.findOrdersByInterval(startDateTime, endDateTime)) {
 			int start_index_inclusive = Math.max((int) startDate.until(order.getStart().toLocalDate(), ChronoUnit.DAYS),0);
 			int end_index_exclusive = Math.min((int) startDate.until(order.getFinish().toLocalDate(), ChronoUnit.DAYS), 27) + 1;
 			String order_id = Objects.requireNonNull(order.getId()).toString();

src/main/java/catering/order/OrderType.java

@@ -3,7 +3,16 @@ package catering.order;
 public enum OrderType {
 	RENT_A_COOK,
 	EVENT_CATERING,
-	SUSHI_NIGHT,
 	MOBILE_BREAKFAST,
-	SOMETHING_ELSE
+	PARTY_SERVICE;
+
+	public String toHumanReadable() {
+		return switch (this) {
+			case RENT_A_COOK -> "Miete einen Koch";
+			case EVENT_CATERING -> "Veranstaltungsbewirtung";
+			case MOBILE_BREAKFAST -> "Mobiles Frühstück";
+			case PARTY_SERVICE -> "Sausedienst";
+			default -> null;
+		};
+	}
 }

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

@@ -117,12 +117,6 @@ public class CatalogController {
 	@PostMapping("/catalog_editor/chooseEvent")
 	public String chooseEvent(String events) {
 		switch (events) {
-			case "event_catering":
-				formCatalogEntry.setEventType(OrderType.EVENT_CATERING);
-				break;
-			case "sushi_night":
-				formCatalogEntry.setEventType(OrderType.SUSHI_NIGHT);
-				break;
 			case "mobile_breakfast":
 				formCatalogEntry.setEventType(OrderType.MOBILE_BREAKFAST);
 				break;

src/main/resources/templates/catalog_editor.html

@@ -13,7 +13,6 @@
 				<form th:object="${formCatalogEntry}" method="post" th:action="@{/catalog_editor/chooseEvent}">
 					<select class="form-select w-auto d-inline-block" name="events" id="events">
 						<option value="event_catering">Eventcatering</option>
-						<option value="sushi_night">Sushi Night</option>
 						<option value="mobile_breakfast">Mobile Breakfast</option>
 						<option value="rent_a_cook">Rent-a-Cook</option>
 					</select>

src/main/resources/templates/event.html

@@ -6,29 +6,21 @@
 
 	<body>
 		<div layout:fragment="content">
-			<form th:action="@{/event/changeOrderType}" method="post">
+			<form class="my-4" th:action="@{/event/changeOrderType}" method="post">
 				<select class="form-select w-auto d-inline-block" name="type">
-					<option disabled="disabled" selected value="NULL" th:text="${event.getOrderType()}"/>
+					<option th:selected="${event.getOrderType().toString() == enumValue.toString()}" th:each="enumValue : ${T(catering.order.OrderType).values()}" th:value="${enumValue.toString()}" th:text="${enumValue.toHumanReadable()}"/>
-					<option th:value="'SE'" th:text="'Something else'"/>
-					<option th:value="'RaK'" th:text="Rent-a-Cook"/>
-					<option th:value="'EK'" th:text="Eventcatering"/>
-					<option th:value="'SN'" th:text="'Sushi Night'"/>
-					<option th:value="'MB'" th:text="'Mobile Breakfase'"/>
 				</select>
 				<button class="btn btn-primary" type="submit">Eventtypen ändern</button>
 			</form>
 
-			<!-- I NEED SPACE -->
+			<form class="my-4" th:action="@{/event/changeDate}" method="post">
-			<br>
-
-			<form th:action="@{/event/changeDate}" method="post">
 				<label th:text="'Wählen sie ihren gewünschten Zeitraum aus (min. 7 Tage im voraus):'"/><br>
-				<input type="date" th:value="${event.getStart().toLocalDate()}" th:min="${event.getStart().toLocalDate()}" name="startDate"/>
+				<input type="date" th:value="${event.getStart().toLocalDate()}" th:min="${minDate}" name="startDate"/>
 				<select class="i do not know" name="startHour">
 					<option disabled="disabled" selected value="NULL" th:text="${event.getStart().getHour()} + ' Uhr'"/>
 					<option th:each="i : ${#numbers.sequence(0, 23)}" th:value="${i}" th:text="${i} + ' Uhr'"></option>
 				</select>
-				<input type="date" th:value="${event.getFinish().toLocalDate()}" th:min="${event.getFinish().toLocalDate()}" name="finishDate"/>
+				<input type="date" th:value="${event.getFinish().toLocalDate()}" th:min="${minDate}" name="finishDate"/>
 				<select class="i do not know" name="finishHour">
 					<option disabled="disabled" selected value="NULL" th:text="${event.getFinish().getHour() + ' Uhr'}"/>
 					<option th:each="i : ${#numbers.sequence(0, 23)}" th:value="${i}" th:text="${i} + ' Uhr'"></option>
@@ -36,20 +28,17 @@
 				<button class="btn btn-primary" type="submit">Wunschdatum überprüfen</button>
 			</form>
 
-			<!-- I NEED SPACE -->
+			<table class="table my-4">
-			<br>
-
-			<table class="table">
 				<tr>
 					<th>Produkt</th>
 					<th>Anzahl</th>
 					<th>Preis</th>
 					<th></th>
 				</tr>
-				<tr th:each="item : ${items}">
+				<tr th:each="item : ${cartConsumables}">
-					<td th:text="${item.getProductName()}">Sake Nigiri</td>
+					<td th:text="${item.getProductName()}"></td>
-					<td th:text="${item.getQuantity()}">200</td>
+					<td th:text="${item.getQuantity()}"></td>
-					<td th:text="${item.getPrice().getNumber().doubleValue()} +'€'">10€</td>
+					<td th:text="${item.getPrice().getNumber().doubleValue()} +'€'"></td>
 					<td>
 						<form method="post" th:action="@{/event/removeProduct}">
 							<input type="hidden" th:value="${item.getId()}" name="itemId"/>
@@ -57,14 +46,25 @@
 						</form>
 					</td>
 				</tr>
+				<tr th:each="item : ${cartRentables}">
+					<td th:text="${item.getProductName()}"></td>
+					<td th:text="${item.getQuantity()}"></td>
+					<td th:text="${item.getProduct().getPriceForTime(duration).multiply(item.getQuantity().getAmount())} +'€'"></td>
+					<td>
+						<form method="post" th:action="@{/event/removeProduct}">
+							<input type="hidden" th:value="${item.getId()}" name="itemId"/>
+							<button class="btn btn-danger" type="submit">Produkt entfernen</button>
+						</form>
+					</td>
+				</tr>
 				<th>Angestellter</th>
 				<th>Typ</th>
 				<th>Preis</th>
 				<th></th>
 				<tr th:each="employee : ${event.getStaff()}">
-					<td th:text="${employee.getName()}">Name</td>
+					<td th:text="${employee.getName()}"></td>
-					<td th:text="${employee.getJob()}">Job</td>
+					<td th:text="${employee.getJob()}"></td>
-					<td th:text="${event.getDurationInHoursTimesRate(12.0)} + '€'">Preis</td> <!--TODO: get from employee-->
+					<td th:text="${event.getDurationInHours() * employee.getWage()} + '€'"></td>
 					<td>
 						<form method="post" th:action="@{/event/removeEmployee}">
 							<input type="hidden" th:value="${employee.getId()}" name="sid"/>
@@ -74,41 +74,63 @@
 				</tr>
 			</table>
 
-			<span th:text="'Gesamt: ' + ${totalPrice}">Price</span>
+			<span th:text="'Gesamt: ' + ${totalPrice.getNumber() + '€'}"></span>
 
-			<form method="post" th:action="@{/event/checkout}">
+			<form class="py-4" method="post" th:action="@{/event/checkout}">
 				<button class="btn btn-primary" type="submit">Kostenpflichtig bestellen</button>
 			</form>
 
-			<!-- I NEED SPACE -->
+			<h4>Verbrauchsgegenstand hinzufügen</h4>
-			<br>
-			<br>
 
-			<h4>Produkt hinzufügen</h4>
+			<table class="table my-4">
-
-			<table class="table">
 				<tr>
 					<th>Name</th>
 					<th>Preis/Stück</th>
 					<th>Verfügbar</th>
 					<th>Menge</th>
 				</tr>
-				<tr th:each="item : ${invItems}">
+				<tr th:each="item : ${invConsumables.entrySet()}">
-					<td th:text="${item.getProduct().getName()}">Name</td>
+					<td th:text="${item.getKey().getName()}"></td>
-					<td th:text="${item.getProduct().getPrice()}">Preis</td>
+					<td th:text="${item.getKey().getPrice()}"></td>
-					<td th:text="${item.getQuantity()}">Verfügbar</td>
+					<td th:text="${item.getValue()}"></td>
 					<td>
 						<form th:action="@{/event/addProduct}" method="post">
-							<input id="number" type="number" name="number" min="1" th:max="${item.getQuantity()}" value="1"/>
+							<input id="number" type="number" name="number" min="1" th:max="${item.getValue()}" value="1"/>
-							<input type="hidden" name="pid" th:value="${item.getProduct().getId()}"/>
+							<input type="hidden" name="pid" th:value="${item.getKey().getId()}"/>
 							<input class="btn btn-primary" type="submit" th:value="Hinzufügen"/>
 						</form>
 					</td>
 				</tr>
 			</table>
 
+			<h4>Mietgegenstand hinzufügen</h4>
+
+			<table class="table my-4">
+				<tr>
+					<th>Name</th>
+					<th>Preis/Stück (Pauschale)</th>
+					<th>Preis/Stück/Stunde</th>
+					<th>Verfügbar</th>
+					<th>Menge</th>
+				</tr>
+				<tr th:each="item : ${invRentables.entrySet()}">
+					<td th:text="${item.getKey().getName()}"></td>
+					<td th:text="${item.getKey().getPrice()}"></td>
+					<td th:text="${item.getKey().getPrice()}"></td>
+					<td th:text="${item.getValue()}"></td>
+					<td>
+						<form th:action="@{/event/addProduct}" method="post">
+							<input id="number" type="number" name="number" min="1" th:max="${item.getValue()}" value="1"/>
+							<input type="hidden" name="pid" th:value="${item.getKey().getId()}"/>
+							<input class="btn btn-primary" type="submit" th:value="Hinzufügen"/>
+						</form>
+					</td>
+
+				</tr>
+			</table>
+
 			<h4>Angestellte hinzufügen</h4>
-			<table class="table">
+			<table class="table my-4">
 				<tr>
 					<th>Name</th>
 					<th>Typ</th>
@@ -117,10 +139,10 @@
 					<td></td>
 				</tr>
 				<tr th:each="employee : ${allStaff}">
-					<td th:text="${employee.getName()}">Name</td>
+					<td th:text="${employee.getName()}"></td>
-					<td th:text="${employee.getJob()}">Job</td>
+					<td th:text="${employee.getJob()}"></td>
-					<td th:text="'12€/h'">12€</td> <!--TODO: get from employee-->
+					<td th:text="${employee.getWage()}"></td>
-					<td style="color: green" th:text="Verfügbar">Verfügbar</td> <!--TODO: get from employee-->
+					<td style="color: green" th:text="Verfügbar"></td>
 					<td>
 						<form th:action="@{/event/addEmployee}" method="post">
 							<input type="hidden" name="sid" th:value="${employee.getId()}"/>
@@ -130,4 +152,5 @@
 				</tr>
 			</table>
 		</div>
+	</body>
 </html>

src/main/resources/templates/orders.html

@@ -23,18 +23,19 @@
 						<td th:text="${order.getUserAccountIdentifier()}"/>
 						<td>
 							<div>
-								<a href="#productDetails" th:text="${order.getOrderType()}"/>
+								<strong class="text-danger" th:text="${order.getOrderType().toHumanReadable()}"/>
 								<ul th:each="orderLine : ${order.getOrderLines()}">
 									<li>
 										<b th:text="${orderLine.getProductName()}"/><br>
 										<th:block th:text="'Menge: ' + ${orderLine.getQuantity()}"/><br>
-										<th:block th:text="'Preis: ' + ${orderLine.getPrice().getNumber().doubleValue() + ' €'}"/>
+										<th:block th:text="'Pauschale: ' + ${orderLine.getPrice().getNumber().doubleValue()} + '€'"/><br>
+										<th:block th:text="'Mietkosten: ' + ${order.getChargeLines(orderLine).getTotal().getNumber()} + '€'"/>
 									</li>
 								</ul>
 								<ul th:each="employee : ${order.getStaff()}">
 									<li>
 										<b th:text="${employee.getName()} + ', ' + ${employee.getJob()}"/><br>
-										<th:block th:text="'Preis: 12€/h'"/>
+										<th:block th:text="'Preis: ' + ${order.getDurationInHours() * employee.getWage()}"/>
 									</li>
 								</ul>
 							</div>
@@ -51,13 +52,10 @@
 							<p style="color: red" th:if="${order.getOrderStatus()} == ${cancelled}" th:text="STORNIERT"/>
 							<p style="color: green" th:if="${order.getOrderStatus()} == ${completed}" th:text="ABGESCHLOSSEN"/>
 						</td>   <!--von Admin bearbeitbar-->
-						<td>
+						<td th:text="${order.getTotal().getNumber().doubleValue()} + '€'"/>
-							<th:block th:text="${order.getTotal().getNumber().doubleValue()}"/>
-							<th:block th:text="€"/>
-						</td>
 						<td sec:authorize="hasRole('ADMIN')" th:if="${order.getOrderStatus()} != ${cancelled}">
 							<form method="post" th:action="@{/allOrders/remove}">
-								<input type="hidden" name="orderID" value="0" th:value="${order.getId()}"/> <!-- FIXME BROKEN -->
+								<input type="hidden" name="orderID" value="0" th:value="${order.getId()}"/>
 								<input class="btn btn-danger" type="submit" value="remove" th:value="Stornieren"/>
 							</form>
 						</td>

src/test/java/catering/order/OrderControllerIntegrationTests.java

@@ -142,7 +142,7 @@ public class OrderControllerIntegrationTests {
 	void userPlansEvent() throws Exception {
 		mvc.perform(get("/event"))
 			.andExpect(status().isOk())
-			.andExpect(model().attributeExists("invItems"));
+			.andExpect(model().attributeExists("invRentables"));
 
 		Product product = inventory.findAll().stream().findFirst().get().getProduct();
 

src/test/java/catering/order/OrderControllerUnitTests.java

@@ -0,0 +1,112 @@
+package catering.order;
+
+import catering.catalog.Rentable;
+import org.junit.jupiter.api.*;
+import org.salespointframework.inventory.UniqueInventory;
+import org.salespointframework.inventory.UniqueInventoryItem;
+import org.salespointframework.order.OrderManagement;
+import org.salespointframework.quantity.Quantity;
+import org.salespointframework.useraccount.UserAccount;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Pageable;
+
+import java.time.LocalDateTime;
+
+import static org.assertj.core.api.Assertions.*;
+
+@SpringBootTest
+public class OrderControllerUnitTests {
+	@Autowired
+	UniqueInventory<UniqueInventoryItem> inventory;
+
+	@Autowired
+	OrderManagement<CustomOrder> orderManagement;
+
+	@Autowired
+	CustomOrderRepository customOrderRepository;
+
+	Rentable myProduct;
+
+	@BeforeEach
+	void setup() {
+		// because of FUUUUUUUN
+		if (!orderManagement.findAll(Pageable.unpaged()).isEmpty()) {
+			return;
+		}
+
+		// #1
+		CustomCart myCart = new CustomCart(
+			OrderType.EVENT_CATERING,
+			LocalDateTime.of(2023, 12, 11, 9, 0),
+			LocalDateTime.of(2023, 12, 13, 22, 0)
+		);
+
+		myProduct = (Rentable) inventory.findAll()
+			.filter(item -> item.getProduct().getName().equals("Kerze Rot"))
+			.stream().findFirst().get().getProduct();
+
+		myCart.addOrUpdateItem(myProduct, 3);
+		CustomOrder myOrder = new CustomOrder(UserAccount.UserAccountIdentifier.of("12345"), myCart);
+		myCart.addItemsTo(myOrder);
+		orderManagement.payOrder(myOrder);
+		orderManagement.completeOrder(myOrder);
+
+		// #2
+		myCart = new CustomCart(
+			OrderType.EVENT_CATERING,
+			LocalDateTime.of(2023, 12, 13, 9, 0),
+			LocalDateTime.of(2023, 12, 15, 22, 0)
+		);
+
+		myCart.addOrUpdateItem(myProduct, 4);
+		myOrder = new CustomOrder(UserAccount.UserAccountIdentifier.of("12345"), myCart);
+		myCart.addItemsTo(myOrder);
+		orderManagement.payOrder(myOrder);
+		orderManagement.completeOrder(myOrder);
+	}
+
+
+	@Test
+	@Order(1)
+	void thisShouldNeverFail() {
+		assertThat(orderManagement.findAll(Pageable.unpaged()).stream().count()).isEqualTo(2L);
+	}
+
+	@Test
+	@Order(2)
+	void correctSetup() {
+		assertThat(orderManagement.findAll(Pageable.unpaged()).stream().count()).isEqualTo(2L);
+	}
+
+	@Test
+	@Order(3)
+	void ordersByInterval() {
+		assertThat(customOrderRepository.findOrdersByInterval(
+			LocalDateTime.of(2023, 12, 2, 0, 0),
+			LocalDateTime.of(2024, 1, 1, 0, 0)
+		).stream().toList()).hasSize(2);
+
+		assertThat(customOrderRepository.findOrdersByInterval(
+			LocalDateTime.of(2023, 12, 11, 0, 0),
+			LocalDateTime.of(2023, 12, 11, 23, 0)
+		).stream().toList()).hasSize(1);
+	}
+
+	@Test
+	@Order(4)
+	@Disabled // because Spring does shit that I don't understand
+	void freeAmountInInterval() {
+		myProduct = (Rentable) inventory.findAll()
+			.filter(item -> item.getProduct().getName().equals("Kerze Rot"))
+			.stream().findFirst().get().getProduct();
+
+		assertThat(OrderController.findFreeAmountInInterval(
+			myProduct,
+			LocalDateTime.of(2023, 12, 11, 0, 0),
+			LocalDateTime.of(2023, 12, 11, 23, 0),
+			inventory,
+			customOrderRepository)
+		).isEqualTo(Quantity.of(7));
+	}
+}

src/test/java/catering/order/OrderUnitTests.java

@@ -51,7 +51,7 @@ public class OrderUnitTests {
 
 		// test if ChargeLine is correct
 		assertThat(order.getChargeLines().stream().count()).isEqualTo(1);
-		assertThat(order.getChargeLines().getTotal()).isEqualTo(Money.of(11*12, "EUR"));
+		assertThat(order.getChargeLines().getTotal()).isEqualTo(Money.of(11*employee.getWage(), "EUR"));
 	}
 
 	@Test
@@ -70,17 +70,17 @@ public class OrderUnitTests {
 		assertThat(order.getChargeLines().stream().count()).isEqualTo(1);
 
 		// test if costs are correct
-		assertThat(order.getChargeLines().getTotal()).isEqualTo(Money.of(11*12, "EUR"));
+		assertThat(order.getChargeLines().getTotal()).isEqualTo(Money.of(11*employee.getWage(), "EUR"));
 		assertThat(order.getOrderLines().getTotal()).isEqualTo(Money.of(10.0*0.6, "EUR"));
-		assertThat(order.getTotal()).isEqualTo(Money.of(11.0 * 12.0 + 10.0 * 0.6, "EUR"));
+		assertThat(order.getTotal()).isEqualTo(Money.of(11.0 * employee.getWage() + 10.0 * 0.6, "EUR"));
 
 		// test for duplication
 		order.addEmployee(employee);
 		assertThat(order.getStaff()).hasSize(1);
 		assertThat(order.getOrderLines().stream().count()).isEqualTo(1);
 		assertThat(order.getChargeLines().stream().count()).isEqualTo(1);
-		assertThat(order.getChargeLines().getTotal()).isEqualTo(Money.of(11*12, "EUR"));
+		assertThat(order.getChargeLines().getTotal()).isEqualTo(Money.of(11*employee.getWage(), "EUR"));
 		assertThat(order.getOrderLines().getTotal()).isEqualTo(Money.of(10.0*0.6, "EUR"));
-		assertThat(order.getTotal()).isEqualTo(Money.of(11.0 * 12.0 + 10.0 * 0.6, "EUR"));
+		assertThat(order.getTotal()).isEqualTo(Money.of(11.0 * employee.getWage() + 10.0 * 0.6, "EUR"));
 	}
 }

src/test/java/catering/staff/StaffManagementIntegrationTests.java

@@ -18,6 +18,7 @@ import catering.order.CustomOrder;
 import catering.order.OrderType;
 import catering.users.User;
 import catering.users.UserManagement;
+import org.springframework.test.annotation.DirtiesContext;
 
 @SpringBootTest
 class StaffManagmentIntegratonTest {
@@ -79,6 +80,7 @@ class StaffManagmentIntegratonTest {
 	}
 
 	@Test
+	@DirtiesContext
 	void getAvailableEmployees() throws Exception {
 		Set<Employee> availableService = staffManagement.getAvailableStaffByJob(JobType.SERVICE,
 				LocalDateTime.of(2023, 10, 27, 16, 0), LocalDateTime.of(2023, 10, 27, 18, 0));