public async Task <IActionResult> ChangeAdPhotos(int id, [FromForm] IFormFileCollection photos)
        {
            var acceptedExtensions = new[] { "jpg", "png", "jpeg", "bmp", "svg" };

            foreach (var photo in photos)
            {
                if (!acceptedExtensions.Any(e => photo.FileName.EndsWith(e, StringComparison.CurrentCultureIgnoreCase)))
                {
                    return(BadRequest(
                               "The photo field only accepts files with the following extensions: .jpg, .png, .jpeg, .bmp, .svg"));
                }
                if (photo.Length > 3_000_000)
                {
                    return(BadRequest("Too big file size!"));
                }
            }

            var userId = await GetCurrentUserId();

            var result = await _advertisementService.ChangeAdPhotos(id, userId, photos);

            if (result.IsSuccessful)
            {
                return(Ok());
            }

            return(StatusCode(500));
        }