Fix some cart issues

winery/webapp/src/main/java/cz/muni/fi/pa165/winery/webapp/controllers/CartController.java

@@ -63,6 +63,9 @@ public class CartController extends ControllerBase {
     @PostMapping("/add")
     @ResponseBody
     public String add(long id, int count) {
+        if (count < 1)
+            return "Fail";
+
         var cart = cartService.loadFromCookie();
         cart.add(id, count);
         cartService.saveToCookie(cart);
@@ -90,6 +93,19 @@ public class CartController extends ControllerBase {
     @PostMapping("/checkout")
     @ResponseBody
     public String add() {
+        var cart = cartService.loadFromCookie();
+        var cartItems = cart.getCartItems();
+
+        for (Map.Entry<Long, Integer> entry : cartItems.entrySet()) {
+            var bottle = wineBottleService.get(entry.getKey());
+            if (bottle == null) {
+                continue;
+            }
+
+            if (bottle.getStock() < entry.getValue())
+                return "Fail";
+        }
+
         var order = new OrderDto();
 
         order.setShipped(false);
@@ -98,9 +114,6 @@ public class CartController extends ControllerBase {
 
         orderService.create(order);
 
-        var cart = cartService.loadFromCookie();
-        var cartItems = cart.getCartItems();
-
         for (Map.Entry<Long, Integer> entry : cartItems.entrySet()) {
             var item = new OrderItemDto();
             item.setBottleId(entry.getKey());

winery/webapp/src/main/resources/templates/cart/test.html

@@ -14,11 +14,13 @@
             <thead>
                 <th>Product Name</th>
                 <th>Count</th>
+                <th>Delete</th>
             </thead>
             <tbody>
                 <tr th:each="item : ${model.cart}">
-                    <td th:text="${model.productNames[__${item.productId}__]}">ID</td>
-                    <td th:text="${item.count}">Count</td>
+                    <td th:text="${model.productNames[__${item.productId}__]}">Product Name</td>
+                    <td><input th:onchange="'setCartAmount(' + ${item.productId} + ', document.getElementById(\'quantity\').value)'" type="number" id="quantity" name="quantity" min="1" th:value="${item.count}"/></td>
+                    <td><a href="#" th:onclick="'removeFromCart(' + ${item.productId} + ').then(x => refreshPage())'">Delete</a></td>
                 </tr>
             </tbody>
         </table>

winery/webapp/src/main/resources/templates/order/edit.html

@@ -43,6 +43,7 @@
             <h3>Items</h3>
             <div th:each="entry, stat : *{items}">
                 <span th:text="*{wineNames[__${entry.bottleId}__]}"/>
+                // TODO max = 5
                 <input type="number" id="quantity" name="quantity" min="1" max="5" th:field="*{quantities[__${entry.id}__]}">
             </div>
             <button type="submit" class="btn btn-primary">Submit</button>

winery/webapp/src/main/resources/templates/winebottle/detail.html

@@ -42,7 +42,7 @@
                 </table>
 
                 <div class="mb-2">
-                    <input id="itemCount" type="number" value="1"/>
+                    <input id="itemCount" type="number" min="1" value="1"/>
                     <a class="btn btn-primary btn-sm" href="#" th:onclick="'addToCart(' + ${model.id} + ', document.getElementById(\'itemCount\').value).then(x => document.getElementById(\'success-alert\').style.display = \'block\')'">Add to cart</a>
                 </div>