public async Task <IHttpActionResult> Post(SupplierModel model)
 {
     try
     {
         if (ModelState.IsValid && model != null)
         {
             var supplier = _mapper.Map <Supplier>(model);
             _repository.AddSupplier(supplier);
             if (await _repository.SaveChangesAsync())
             {
                 var newModel = _mapper.Map <SupplierModel>(supplier);
                 return(CreatedAtRoute("", "", newModel));
             }
             else
             {
                 return(Content(HttpStatusCode.Conflict, string.Format("Supplier with id {0} could not be updated", supplier.SupplierID)));
             }
         }
         else
         {
             return(Content(HttpStatusCode.BadRequest, "Incorrect input data"));
         }
     }
     catch
     {
         return(InternalServerError());
     }
 }