From bd0df0c9b47aeb83ff00bdd04068fbd5c8c7f783 Mon Sep 17 00:00:00 2001
From: Mathis Kral <mathis_tiberius.kral@mailbox.tu-dresden.de>
Date: Sun, 19 Nov 2023 14:52:31 +0100
Subject: [PATCH] fixup! Update basics of order package to salespoint

---
 .../java/catering/order/OrderController.java  | 17 ++++++++--
 src/main/resources/templates/event.html       | 33 ++++++++++++++++---
 2 files changed, 43 insertions(+), 7 deletions(-)

diff --git a/src/main/java/catering/order/OrderController.java b/src/main/java/catering/order/OrderController.java
index d294d95..4a8445c 100644
--- a/src/main/java/catering/order/OrderController.java
+++ b/src/main/java/catering/order/OrderController.java
@@ -88,6 +88,7 @@ public class OrderController {
 	@PreAuthorize("hasRole('CUSTOMER')")
 	public String event(Model model, @ModelAttribute("event") CustomCart cart) {
 		model.addAttribute("items", cart.stream().collect(Collectors.toList()));
+		model.addAttribute("totalPrice", cart.getPrice());
 		model.addAttribute("invItems", inventory.findAll().stream().collect(Collectors.toList()));
 		return "event";
 	}
@@ -108,7 +109,20 @@ public class OrderController {
 	@PostMapping("/event/addProduct")
 	@PreAuthorize("hasRole('CUSTOMER')")
 	public String addProduct(@RequestParam("pid") Product product, @RequestParam("number") int number, @ModelAttribute("event") CustomCart cart) {
-		cart.addOrUpdateItem(product, Quantity.of(number));
+
+		Quantity amount = Quantity.of(number);
+		Quantity invAmount = inventory.findByProduct(product).get().getQuantity(); // TODO ERROR HANDLING
+		Quantity cartQuantity = cart.getQuantity(product);
+
+		// check for possible miss-inputs
+		if (amount.add(cartQuantity).isGreaterThan(invAmount)) {
+			cart.addOrUpdateItem(product, cartQuantity.negate().add(invAmount));
+		} else if (amount.add(cartQuantity).isLessThan(Quantity.of(0))) {
+			cart.addOrUpdateItem(product, cartQuantity.negate());
+		} else {
+			cart.addOrUpdateItem(product, amount);
+		}
+
 		return "redirect:/event";
 	}
 
@@ -122,7 +136,6 @@ public class OrderController {
 			cart.clear();
 
 			List<CustomOrder> myOrders = orderManagement.findBy(account).stream().collect(Collectors.toList());
-			System.out.println(myOrders);
 
 			return "redirect:/myOrders";
 		}).orElse("redirect:/event");
diff --git a/src/main/resources/templates/event.html b/src/main/resources/templates/event.html
index 44701a3..3eba2eb 100644
--- a/src/main/resources/templates/event.html
+++ b/src/main/resources/templates/event.html
@@ -33,14 +33,37 @@
 				</tr>
 			</table>
 
-			<h4>Product hinzufügen</h4>
-
-			<table class="table">
-				<!-- TODO -->
-			</table>
+			<span th:text="'Gesamt: ' + ${totalPrice}">Price</span>
 
 			<form method="post" th:action="@{/event/checkout}">
 				<button class="btn btn-primary" type="submit">Kostenpflichtig bestellen</button>
 			</form>
+
+			<!-- I NEED SPACE -->
+			<br>
+			<br>
+
+			<h4>Produkt hinzufügen</h4>
+
+			<table class="table">
+				<tr>
+					<th>Name</th>
+					<th>Preis/Stück</th>
+					<th>Verfügbar</th>
+					<th>Menge</th>
+				</tr>
+				<tr th:each="item : ${invItems}">
+					<td th:text="${item.getProduct().getName()}">Name</td>
+					<td th:text="${item.getProduct().getPrice()}">Preis</td>
+					<td th:text="${item.getQuantity()}">Verfügbar</td>
+					<td>
+						<form th:action="@{/event/addProduct}" method="post">
+							<input id="number" type="number" name="number" th:min="${item.getQuantity().negate()}" th:max="${item.getQuantity()}" value="1"/>
+							<input type="hidden" name="pid" th:value="${item.getProduct().getId()}"/>
+							<input class="btn btn-primary" type="submit" th:value="Hinzufügen"/>
+						</form>
+					</td>
+				</tr>
+			</table>
 		</div>
 </html>