working ProductReview

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

@@ -116,10 +116,20 @@ public class ProductReviewController extends ControllerBase{
         }
 
         var dto = viewModel.toDto(getCurrentUser().getId());
-        productReviewService.create(dto);
+        var reviews = productReviewService.getAllByBottle(dto.getWineBottleId());
+        List<Long> users = reviews
+                .stream()
+                .map(x -> x.getUserId())
+                .distinct()
+                .collect(Collectors.toList());
+        if (!users.contains(dto.getUserId())){
+            productReviewService.create(dto);
+            viewModel.setSuccess(true);
+        } else {
+            viewModel.setExists(true);
+        }
 
         initializeViewModel(viewModel);
-        viewModel.setSuccess(true);
 
         return view(viewModel);
     }

winery/webapp/src/main/java/cz/muni/fi/pa165/winery/webapp/models/productReview/ProductReviewUpsertViewModel.java

@@ -32,6 +32,8 @@ public class ProductReviewUpsertViewModel extends ViewModelBase {
 
     private boolean success;
 
+    private boolean exists;
+
     /**
      * grade of wine
      */

winery/webapp/src/main/resources/templates/productreview/add.html

@@ -9,10 +9,7 @@
 
 <div class="container px-4 px-lg-5">
     <main role="main" class="pb-3">
-        <h1>
-            <span>Review - Add</span>
-            <span th:text="${model.currentUser.id}"></span>
-        </h1>
+        <h1>Review - Add</h1>
         <a class="btn btn-secondary" th:href="@{/productreview}">Back</a>
 
         <div th:if="${model.success}">
@@ -21,8 +18,14 @@
             </div>
         </div>
 
+        <div th:if="${model.exists}">
+            <div class="alert alert-success" role="alert">
+                This user already created review for this product
+            </div>
+        </div>
+
         <form th:action="@{/productreview/add}" th:object="${model}" method="post">
-            <input type="hidden" th:field="*{userId}" th:value="*{currentUser.id}">
+            <input type="hidden" th:field="*{UserId}">
             <div class="form-group">
                 <label th:for="*{wineBottleId}" th:value="*{wineBottleId}">Bottle</label>
                 <select class="form-control" th:field="*{wineBottleId}">