public async Task List()

in src/Modules/SimplCommerce.Module.Shipments/Areas/Shipments/Controllers/ShipmentApiController.cs [96:153]
50 lines of code
9 McCabe index (conditional complexity)

        public async Task<IActionResult> List([FromBody] SmartTableParam param)
        {
            var query = _shipmentRepository.Query();

            var currentUser = await _workContext.GetCurrentUser();
            if (!User.IsInRole("admin"))
            {
                query = query.Where(x => x.VendorId == currentUser.VendorId);
            }

            if (param.Search.PredicateObject != null)
            {
                dynamic search = param.Search.PredicateObject;

                if (search.TrackingNumber != null)
                {
                    string trackingNumber = search.TrackingNumber;
                    query = query.Where(x => x.TrackingNumber.Contains(trackingNumber));
                }

                if (search.OrderId != null)
                {
                    string orderIdString = search.OrderId;
                    if (long.TryParse(orderIdString, out long orderId))
                    {
                        query = query.Where(x => x.OrderId == orderId);
                    }
                }

                if (search.CreatedOn != null)
                {
                    if (search.CreatedOn.before != null)
                    {
                        DateTimeOffset before = search.CreatedOn.before;
                        query = query.Where(x => x.CreatedOn <= before);
                    }

                    if (search.CreatedOn.after != null)
                    {
                        DateTimeOffset after = search.CreatedOn.after;
                        query = query.Where(x => x.CreatedOn >= after);
                    }
                }
            }

            var shipments = query.ToSmartTableResult(
                param,
                x => new
                {
                    x.Id,
                    x.TrackingNumber,
                    x.OrderId,
                    WarehouseName = x.Warehouse.Name,
                    x.CreatedOn
                });

            return Json(shipments);
        }