Initial commit

Francesco.Recipes.World/Controller/ShoppingList/ShoppingListController.cs

@@ -32,14 +32,52 @@
                 return BadRequest("No ingredients provided.");
             }
 
-            var shoppingList = await _shoppingListRepository.AddIngredientsToShoppingListAsync(request.RecipeId, request.IngredientIds);
+            // Compute duplicates for this recipe in the current shopping list
+            var existingShoppingList = await _context.ShoppingLists
+                .Include(sl => sl.RecipeShoppingList)
+                    .ThenInclude(rsl => rsl.SelectedIngredients)
+                        .ThenInclude(si => si.RecipeIngredient)
+                .Include(sl => sl.RecipeShoppingList)
+                    .ThenInclude(rsl => rsl.Recipe)
+                .FirstOrDefaultAsync(sl => sl.RecipeShoppingList.Any(rsl => rsl.Recipe.Id == request.RecipeId));
+
+            var existingForRecipe = existingShoppingList?
+                .RecipeShoppingList.FirstOrDefault(rsl => rsl.Recipe.Id == request.RecipeId);
+
+            var existingIds = existingForRecipe?.SelectedIngredients
+                .Where(si => si.RecipeIngredient != null)
+                .Select(si => si.RecipeIngredient.Id)
+                .ToHashSet() ?? new HashSet<Guid>();
+
+            var skippedExisting = request.IngredientIds.Where(id => existingIds.Contains(id)).Distinct().ToList();
+            var ingredientIdsToAdd = request.IngredientIds.Except(skippedExisting).Distinct().ToList();
+
+            if (ingredientIdsToAdd.Count == 0)
+            {
+                return Json(new
+                {
+                    shoppingListId = existingShoppingList?.Id,
+                    skippedExisting,
+                    addedCount = 0,
+                    skippedCount = skippedExisting.Count,
+                    noAdditions = true,
+                });
+            }
+
+            var shoppingList = await _shoppingListRepository.AddIngredientsToShoppingListAsync(request.RecipeId, ingredientIdsToAdd);
 
             if (shoppingList == null)
             {
                 return BadRequest("Error creating shopping list.");
             }
 
-            return Json(new { shoppingListId = shoppingList.Id });
+            return Json(new
+            {
+                shoppingListId = shoppingList.Id,
+                skippedExisting,
+                addedCount = ingredientIdsToAdd.Count,
+                skippedCount = skippedExisting.Count,
+            });
         }
 
         [HttpGet("RecipeCount")]

Francesco.Recipes.World/Views/Recipe/Details.cshtml

@@ -196,10 +196,28 @@
 						})
 						.then(result => {
 							localStorage.setItem('shoppingListId', result.shoppingListId);
-							alert('Einkaufsliste aktualisiert.');
+							const showInfo = (msg) => {
+								if (window.Swal) {
+									Swal.fire({ icon: 'info', title: 'Hinweis', text: msg, timer: 1800, showConfirmButton: false });
+								} else { alert(msg); }
+							};
+
+							if (result.skippedCount && result.skippedCount > 0) {
+								if (result.addedCount && result.addedCount > 0) {
+									showInfo(`Einkaufsliste aktualisiert. ${result.skippedCount} Zutaten waren bereits vorhanden und wurden übersprungen.`);
+								} else {
+									showInfo('Diese Zutaten sind bereits in der Einkaufsliste vorhanden.');
+								}
+							} else {
+								showInfo('Einkaufsliste aktualisiert.');
+							}
 						})
 						.catch(error => {
-							alert('Fehler beim Aktualisieren der Einkaufsliste.');
+							if (window.Swal) {
+								Swal.fire({ icon: 'error', title: 'Fehler', text: 'Fehler beim Aktualisieren der Einkaufsliste.' });
+							} else {
+								alert('Fehler beim Aktualisieren der Einkaufsliste.');
+							}
 						});
 					};
 				});

Francesco.Recipes.World/Views/ShoppingList/Details.cshtml

@@ -13,7 +13,7 @@
 				id = ri.Id,
 				name = ri.Ingredient.Name,
 				amount = ri.Quantity,
-				unit = ri.Unit.Name,
+				unit = ri.Unit.Symbol,
 				shoppingListId = Model.RecipeIngredientToShoppingListMap.ContainsKey(ri.Id)
 					? Model.RecipeIngredientToShoppingListMap[ri.Id]
 					: Guid.Empty
@@ -104,3 +104,4 @@
 	</script>
 	<script src="~/js/site.js"></script>
 }
+

Francesco.Recipes.World/appsettings.Production.json

@@ -0,0 +1,11 @@
+{
+  "ConnectionStrings": {
+    "FrancescosRecipesWorldDbContextConnection": "Server=sqlserver-recipes,1433;Database=Francesco.Recipes.World;User Id=sa;Password=YourRecipesPassword123!;TrustServerCertificate=True;MultipleActiveResultSets=true"
+  },
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}