Move Method Body on Repositroy and inject Repository on Service

Francesco.Recipes.World/Repositories/ShoppingList/IShoppingListRepository.cs

@@ -17,5 +17,8 @@
         Task DeleteShoppingListAsync(Guid shoppingListId);
 
         Task<Recipe?> GetRecipeByNameAndImageAsync(string recipeName, string imageFileName);
+
+        Task<int> GetShoppingListRecipeCountAsync(Guid shoppingListId);
+
     }
 }

Francesco.Recipes.World/Repositories/ShoppingList/ShoppingListRepository.cs

@@ -167,5 +167,12 @@
                 .Include(r => r.MediaFiles.Where(mf => mf.FileName == imageFileName))
                 .FirstOrDefaultAsync();
         }
+
+        public async Task<int> GetShoppingListRecipeCountAsync(Guid shoppingListId)
+        {
+            return await _context.RecipeShoppingLists
+                .Where(rsl => rsl.ShoppingList.Id == shoppingListId)
+                .CountAsync();
+        }
     }
 }

Francesco.Recipes.World/Services/ShoppingList/ShoppingListService.cs

@@ -1,22 +1,22 @@
-using Francesco.Recipes.World.Data;
-using Microsoft.EntityFrameworkCore;
-
-namespace Francesco.Recipes.World.Services.ShoppingList
+namespace Francesco.Recipes.World.Services.ShoppingList
 {
+    using Francesco.Recipes.World.Data;
+    using Francesco.Recipes.World.Repositories.ShoppingList;
+
     public class ShoppingListService
     {
         private readonly FrancescosRecipesWorldDbContext _context;
+        private readonly IShoppingListRepository _shoppingListRepository;
 
-        public ShoppingListService(FrancescosRecipesWorldDbContext context)
+        public ShoppingListService(FrancescosRecipesWorldDbContext context, IShoppingListRepository shoppingListRepository)
         {
             _context = context;
+            _shoppingListRepository = shoppingListRepository;
         }
 
         public async Task<int> GetShoppingListRecipeCountAsync(Guid shoppingListId)
         {
-            return await _context.RecipeShoppingLists
-                .Where(rsl => rsl.ShoppingList.Id == shoppingListId)
-                .CountAsync();
+            return await _shoppingListRepository.GetShoppingListRecipeCountAsync(shoppingListId);
         }
     }
 }