public async Task <IEnumerable <OperationTypeDto> > Handle(GetAllOperationTypesQuery request, CancellationToken cancellationToken)
        {
            var classes = await _context.Set <OperationType>().ToListAsync(cancellationToken);

            return(Mapper.Map <IEnumerable <OperationTypeDto> >(classes));
        }
        public async Task <IActionResult> GetALLOperationTypes()
        {
            var query = new GetAllOperationTypesQuery();

            return(Ok(await _mediator.Send(query)));
        }