Examples with CourierAvailabilityEx com.ncedu.fooddelivery.api.v1.errors.orderRegistration.CourierAvailabilityEx used on opensource projects

Example 1 with CourierAvailabilityEx

use of com.ncedu.fooddelivery.api.v1.errors.orderRegistration.CourierAvailabilityEx in project 2021-msk-food-delivery by netcracker-edu.

the class OrderServiceImpl1 method createOrder.

@Override
@Transactional
public areCreatedDTO createOrder(CreateOrderDTO dto, User user) {
    checkOrderDataActuality(dto);
    Long warehouseId = dto.getWarehouseId();
    Geometry coords = geometryFactory.createPoint(new Coordinate(dto.getGeo().getLon().doubleValue(), dto.getGeo().getLat().doubleValue()));
    HashMap<Long, Integer> pairs = dto.getProductAmountPairs();
    Object[] productPosMaps = getProductPositionsData(pairs, warehouseId);
    // we will use later Maps below to reserve product positions from warehouse and put them in order(s)
    HashMap<Long, Double> productPosPriceMap = (HashMap<Long, Double>) productPosMaps[0];
    HashMap<Long, Integer> productPosAmountMap = (HashMap<Long, Integer>) productPosMaps[1];
    Double orderWeight = countOrderWeight(pairs);
    if (orderWeight > 15000d) {
        int neededCouriersAmount = (int) Math.ceil(orderWeight / 15000d);
        List<ProductPosition> productPositions = getSortedProductPositions(productPosAmountMap);
        // we've got sorted by weight sequence of product positions, so we can put them into different orders
        List<Order> orders = new ArrayList<>();
        for (int i = 0; i < neededCouriersAmount; i++) {
            Order order = buildOrder(user, coords, dto, productPositions);
            // attaching courier and then order status = 'courier_appointed'
            Courier courier;
            try {
                courier = courierService.findFreeCourier(warehouseId);
            } catch (CourierAvailabilityEx ex) {
                for (Order o : orders) {
                    // DB trigger will return all reserved product
                    o.setStatus(OrderStatus.CANCELLED);
                    // positions back to warehouse
                    orderRepo.save(o);
                }
                throw ex;
            }
            order.setCourier(courier);
            order.setStatus(OrderStatus.COURIER_APPOINTED);
            orders.add(orderRepo.save(order));
        }
        return new areCreatedDTO(orders.stream().map(order -> order.getId()).collect(Collectors.toList()));
    } else {
        Order order = buildOrder(user, coords, dto, productPosPriceMap, productPosAmountMap);
        // attaching courier and then order status = 'courier_appointed'
        Courier courier;
        try {
            courier = courierService.findFreeCourier(warehouseId);
        } catch (CourierAvailabilityEx ex) {
            // DB trigger will return all reserved product positions back
            order.setStatus(OrderStatus.CANCELLED);
            // to warehouse
            orderRepo.save(order);
            throw ex;
        }
        order.setCourier(courier);
        order.setStatus(OrderStatus.COURIER_APPOINTED);
        orderRepo.save(order);
        return new areCreatedDTO(List.of(order.getId()));
    }
}

Example 2 with CourierAvailabilityEx

use of com.ncedu.fooddelivery.api.v1.errors.orderRegistration.CourierAvailabilityEx in project 2021-msk-food-delivery by netcracker-edu.

the class CourierServiceImpl1 method findFreeCourier.

@Override
public Courier findFreeCourier(Long warehouseId) {
    Courier courier = new Courier();
    int i = 0;
    try {
        for (; i < 15; i++) {
            courier = courierRepo.getWaitingCourierByWarehouse(warehouseId);
            if (courier != null)
                break;
            Thread.sleep(2000);
        }
    } catch (InterruptedException ex) {
    }
    if (i == 15)
        throw new CourierAvailabilityEx();
    return courier;
}