Modificada clase "ShoppingListService"

- Método "getShoppingList" para extraer la consulta y comprobación de la lista de la compra.

Author: nmarulo

src/main/java/dev/nmarulo/depensaapp/app/shoppinglist/ShoppingListService.java

@@ -41,13 +41,7 @@ public FindByIdShoppingListRes findById(final Long id,
                                             final User user,
                                             final FindByIdProductListReq request,
                                             final Pageable pageable) {
-        var findById = this.shoppingListRepository.findByIdAndUser(id, user);
-        
-        if (findById.isEmpty()) {
-            throw new NotFoundException(getLocalMessage().getMessage("error.record-not-exist"));
-        }
-        
-        final var shoppingList = findById.get();
+        final var shoppingList = getShoppingList(id, user);
         final var productListPage = findAllProductList(shoppingList, user, request, pageable);
         final var response = ShoppingListMapper.toFindByIdShoppingListRes(shoppingList);
         final var totalUnitsPerProducts = IntegerUtil.newAtomicReference(response.getTotalUnitsPerProducts());
@@ -86,14 +80,7 @@ public FindByIdProductShoppingListRest findByIdProduct(Integer id, Long productI
     }
 
     public void deleteProducts(Long id, DeleteProductsShoppingListReq request, User user) {
-        var shoppingListOptional = this.shoppingListRepository.findByIdAndUser(id, user);
-        
-        if (shoppingListOptional.isEmpty()) {
-            throw new NotFoundException(getLocalMessage().getMessage("error.record-not-exist"));
-        }
-        
-        var shoppingList = shoppingListOptional.get();
-        
+        final var shoppingList = getShoppingList(id, user);
         var productsShoppingList = this.productHasShoppingListRepository.findAllByShoppingListIdAndUserAndProductIdIn(id,
                                                                                                                       user,
                                                                                                                       request.getProductsId());
@@ -126,16 +113,10 @@ public SaveShoppingListRes save(SaveShoppingListReq request, User user) {
     }
 
     public UpdateShoppingListRes update(Long id, UpdateShoppingListReq request, User user) {
-        var shoppingListOptional = this.shoppingListRepository.findByIdAndUser(id, user);
-        
-        if (shoppingListOptional.isEmpty()) {
-            throw new NotFoundException(getLocalMessage().getMessage("error.record-not-exist"));
-        }
+        final var shoppingList = getShoppingList(id, user);
 
         updateProducts(id, request.getProducts(), user);
 
-        var shoppingList = shoppingListOptional.get();
-        
         shoppingList.setName(request.getName());
 
         var update = this.shoppingListRepository.save(shoppingList);
@@ -144,13 +125,7 @@ public UpdateShoppingListRes update(Long id, UpdateShoppingListReq request, User
     }
 
     public void delete(Long id, User user) {
-        var shoppingListOptional = this.shoppingListRepository.findByIdAndUser(id, user);
-        
-        if (shoppingListOptional.isEmpty()) {
-            throw new NotFoundException(getLocalMessage().getMessage("error.record-not-exist"));
-        }
-        
-        var shoppingList = shoppingListOptional.get();
+        final var shoppingList = getShoppingList(id, user);
 
         this.productHasShoppingListRepository.deleteAll(shoppingList.getProductHasShoppingList());
         this.shoppingListRepository.delete(shoppingList);
@@ -160,13 +135,9 @@ public FindByIdProductListRes findByIdProductList(final Long id,
                                                       final User user,
                                                       final FindByIdProductListReq request,
                                                       final Pageable pageable) {
-        var shoppingListOptional = this.shoppingListRepository.findByIdAndUser(id, user);
-        
-        if (shoppingListOptional.isEmpty()) {
-            throw new NotFoundException(getLocalMessage().getMessage("error.record-not-exist"));
-        }
+        final var shoppingList = getShoppingList(id, user);
 
-        return findAllProductList(shoppingListOptional.get(), user, request, pageable);
+        return findAllProductList(shoppingList, user, request, pageable);
     }
 
     private FindByIdProductListRes findAllProductList(final ShoppingList shoppingList,
@@ -211,4 +182,14 @@ private void updateProducts(Long shoppingListId,
         });
     }
 
+    private ShoppingList getShoppingList(final Long id, final User user) {
+        final var shoppingListOptional = this.shoppingListRepository.findByIdAndUser(id, user);
+        
+        if (shoppingListOptional.isEmpty()) {
+            throw new NotFoundException(getLocalMessage().getMessage("error.record-not-exist"));
+        }
+        
+        return shoppingListOptional.get();
+    }
+    
 }