fix(put): update employee endpoint to include notfound

Author: Svetloslav15

NorthwindCRUD/Controllers/EmployeeController.cs

@@ -3,6 +3,7 @@
     using AutoMapper;
     using Microsoft.AspNetCore.Authorization;
     using Microsoft.AspNetCore.Mvc;
+    using NorthwindCRUD.Models.Contracts;
     using NorthwindCRUD.Models.DbModels;
     using NorthwindCRUD.Models.InputModels;
     using NorthwindCRUD.Services;
@@ -92,7 +93,13 @@ public ActionResult<EmployeeInputModel> Update(EmployeeInputModel model)
                 {
                     var mappedModel = this.mapper.Map<EmployeeInputModel, EmployeeDb>(model);
                     var employee = this.employeeService.Update(mappedModel);
-                    return Ok(this.mapper.Map<EmployeeDb, EmployeeInputModel>(employee));
+
+                    if (employee != null)
+                    {
+                        return Ok(this.mapper.Map<EmployeeDb, EmployeeInputModel>(employee));
+                    }
+
+                    return NotFound();
                 }
 
                 return BadRequest(ModelState);