/**
* 将消费信息初始化到对应的购买项中
*
* @param items 订单购买项
* @param orderTickets 实际消费项
*/
private void initOrderConsumptionInfo(List<OrderItem> items, List<OrderTickets> orderTickets) {
for (OrderItem item : items) {
// 没有消费记录就设为0
item.setConsumptionQuantity(0);
item.setConsumptionSubtotal(0.0);
item.setConsumptionSavings(0.0);
if (orderTickets == null || orderTickets.isEmpty()) {
continue;
}
for (OrderTickets ticket : orderTickets) {
if (!StringUtils.equals(item.getMid(), ticket.getMid())) {
continue;
}
// 初始化消费信息
ticket.setMid(item.getMid());
ticket.setName(item.getName());
ticket.setSellingPrice(item.getSellingPrice());
// 初始化购买信息
Integer q = ticket.getStatflag();
BigDecimal quantity = new BigDecimal(q + "");
BigDecimal price = new BigDecimal(item.getSellingPrice() + "");
price = price.setScale(2, RoundingMode.HALF_UP); // 精确到小数点2位，四舍五入
BigDecimal subtotal = price.multiply(quantity);
item.setConsumptionQuantity(q);
item.setConsumptionSubtotal(subtotal.doubleValue());
item.setConsumptionSavings(null);
break;
}
}
}
@Transactional(propagation = Propagation.REQUIRED)
public void updateOrderItem(OrderItem orderItem) {
// 取得要修改的数据
String itemId = orderItem.getId();
String orderNumber = orderItem.getOrderNumber();
Double priceItem = orderItem.getSellingPrice();
Integer quantityItem = orderItem.getQuantity();
Double actualSellingPriceItem = orderItem.getActualSellingPrice();
// 将item要修改的数据转换成精确类型，并重新赋值给item
BigDecimal priceDecimal = new BigDecimal(priceItem + "");
priceDecimal = priceDecimal.setScale(2, RoundingMode.HALF_UP); // 精确到小数点2位，四舍五入
BigDecimal actualSellingPriceDecimal = new BigDecimal(actualSellingPriceItem + "");
actualSellingPriceDecimal =
actualSellingPriceDecimal.setScale(2, RoundingMode.HALF_UP); // 精确到小数点2位，四舍五入
BigDecimal quantityDecimal = new BigDecimal(quantityItem + "");
BigDecimal subtotalDecimal = priceDecimal.multiply(quantityDecimal);
BigDecimal totalDecimal = actualSellingPriceDecimal.multiply(quantityDecimal);
BigDecimal savingsDecimal = subtotalDecimal.subtract(totalDecimal);
orderItem.setActualSellingPrice(actualSellingPriceDecimal.doubleValue()); // 将用户输入的金额四舍五入
orderItem.setSavings(savingsDecimal.doubleValue());
orderItem.setSubtotal(subtotalDecimal.doubleValue());
orderItem.setTotal(totalDecimal.doubleValue());
// 取得订单基本信息和商品信息
Order order = orderManageMapper.getOrderByOrderNumber(orderNumber);
List<OrderItem> items = orderManageMapper.getOrderItemByOrderNumber(orderNumber);
// 初始化订单统计要用到的精确类型
Integer quantity = 0;
BigDecimal subtotal = new BigDecimal("0");
BigDecimal savings = new BigDecimal("0");
BigDecimal total = new BigDecimal("0");
String savingsInfo = "";
// 重新计算订单总价
for (OrderItem item : items) {
// 判断item是否是要修改的，如果是用前面转换的精确类型
if (StringUtils.equals(item.getId(), itemId)) {
quantity += quantityItem;
subtotal = subtotal.add(subtotalDecimal);
savings = savings.add(savingsDecimal);
total = total.add(totalDecimal);
// 将所有商品的优惠信息去重合并到一起，放到订单的优惠信息中
if (StringUtils.isNotBlank(orderItem.getSavingInfo())
&& !StringUtils.contains(savingsInfo, orderItem.getSavingInfo())) {
savingsInfo += orderItem.getSavingInfo() + "<br>";
}
continue;
}
quantity += item.getQuantity();
BigDecimal itemSubtotal = new BigDecimal(item.getSubtotal() + "");
BigDecimal itemSavings = new BigDecimal(item.getSavings() + "");
BigDecimal itemTotal = new BigDecimal(item.getTotal() + "");
subtotal = subtotal.add(itemSubtotal);
savings = savings.add(itemSavings);
total = total.add(itemTotal);
String savingInfo = item.getSavingInfo();
// 设置优惠计算信息
if (StringUtils.isNotBlank(savingInfo) && !StringUtils.contains(savingsInfo, savingInfo)) {
savingsInfo += savingInfo + "<br>";
}
}
order.setSavingsInfo(savingsInfo);
order.setQuantity(quantity);
order.setSubtotal(subtotal.doubleValue());
order.setSavings(savings.doubleValue());
order.setTotal(total.doubleValue());
order.setUpdatedById(orderItem.getUpdatedById());
order.setUpdatedByName(orderItem.getUpdatedByName());
order.setUpdatedTime(orderItem.getUpdatedTime());
// 将重新计算的订单统计信息放入订单对像中
// 更新数据库
orderManageMapper.updateOrderItem(orderItem);
orderManageMapper.updateOrderFee(order);
}