switched exception from custom to build in one

Author: deyvidnenchev

NorthwindCRUD/Constants/StringTemplates.cs

@@ -0,0 +1,9 @@
+using System.Xml.Linq;
+
+namespace NorthwindCRUD.Constants
+{
+    public class StringTemplates
+    {
+        public const string InvalidEntityMessage = "{0} with id {1} does not exist!";
+    }
+}

NorthwindCRUD/Controllers/ProductsController.cs

@@ -3,7 +3,6 @@ namespace NorthwindCRUD.Controllers
     using AutoMapper;
     using Microsoft.AspNetCore.Authorization;
     using Microsoft.AspNetCore.Mvc;
-    using NorthwindCRUD.Exceptions;
     using NorthwindCRUD.Models.DbModels;
     using NorthwindCRUD.Models.Dtos;
     using NorthwindCRUD.Services;
@@ -156,7 +155,7 @@ public ActionResult<ProductDto> Create(ProductDto model)
 
                 return BadRequest(ModelState);
             }
-            catch (InvalidEntityIdException exception)
+            catch (InvalidOperationException exception)
             {
                return StatusCode(400, exception.Message);
             }

NorthwindCRUD/Exceptions/InvalidEntityIdException.cs

@@ -1,7 +1,7 @@
 namespace NorthwindCRUD.Services
 {
     using AutoMapper;
-    using NorthwindCRUD.Exceptions;
+    using NorthwindCRUD.Constants;
     using NorthwindCRUD.Helpers;
     using NorthwindCRUD.Models.DbModels;
 
@@ -48,12 +48,12 @@ public ProductDb Create(ProductDb model)
         {
             if(this.dataContext.Categories.FirstOrDefault(c => c.CategoryId == model.CategoryId) == null)
             {
-                throw new InvalidEntityIdException(nameof(model.Category), model.CategoryId.ToString());
+                throw new InvalidOperationException(string.Format(StringTemplates.InvalidEntityMessage, nameof(model.Category), model.CategoryId.ToString()));
             }
 
             if (this.dataContext.Suppliers.FirstOrDefault(c => c.SupplierId == model.SupplierId) == null)
             {
-                throw new InvalidEntityIdException(nameof(model.Supplier), model.SupplierId.ToString());
+                throw new InvalidOperationException(string.Format(StringTemplates.InvalidEntityMessage, nameof(model.Supplier), model.SupplierId.ToString()));
             }
 
             var id = IdGenerator.CreateDigitsId();