Initial commit

2026-07-17 14:06:58 +02:00
parent be57ac7b65
commit 0adcd6c08a
6 changed files with 135 additions and 5 deletions
@@ -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")]