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加入购物车扣除库存逻辑修改

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This commit is contained in:
GYJ
2024-06-24 15:12:39 +08:00
parent 487a9e7b6b
commit c24434b121
3 changed files with 140 additions and 78 deletions
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4
src/main/java/com/chaozhanggui/system/cashierservice/dao/TbProductMapper.java
View File

@@ -34,4 +34,6 @@ public interface TbProductMapper {
void upGroupRealSalesNumber(@Param("id") String id,@Param("number") Integer number);
}
void updateStockById(@Param("productId") String productId, @Param("num") Integer num);
}

208
src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java
View File

@@ -94,58 +94,102 @@ public class CartService {
String tableId = jsonObject.getString("tableId");
String shopId = jsonObject.getString("shopId");
String productId = jsonObject.getString("productId");
String key = tableId + "-" + shopId;
TbProduct tbProduct = productMapper.selectById(Integer.valueOf(productId));
if (tbProduct == null) {
JSONObject jsonObject1 = new JSONObject();
jsonObject1.put("status", "fail");
jsonObject1.put("msg", "该商品不存在");
jsonObject1.put("data", new ArrayList<>());
PushToAppChannelHandlerAdapter.getInstance().AppSendInfo(jsonObject1.toString(), key, jsonObject.getString("userId"), true);
log.error("该商品不存在 productId:{}", productId);
throw new MsgException("该商品不存在");
}
String skuId = jsonObject.getString("skuId");
JSONArray jsonArray = new JSONArray();
BigDecimal amount = BigDecimal.ZERO;
boolean exist = redisUtil.exists(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"));
if (!exist) {
TbProductSkuWithBLOBs tbProductSkuWithBLOBs = productSkuMapper.selectByPrimaryKey(Integer.valueOf(jsonObject.getString("skuId")));
Double stock = tbProductSkuWithBLOBs.getStockNumber();
redisUtil.saveMessage(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), Math.round(stock) + "");
TbProductSkuWithBLOBs tbProductSkuWithBLOBs = productSkuMapper.selectByPrimaryKey(Integer.valueOf(skuId));
if (Integer.valueOf(tbProduct.getIsPauseSale()).equals(1)) {
JSONObject jsonObject1 = new JSONObject();
jsonObject1.put("status", "fail");
jsonObject1.put("msg", "该商品已售罄");
jsonObject1.put("data", new ArrayList<>());
PushToAppChannelHandlerAdapter.getInstance().AppSendInfo(jsonObject1.toString(), key, jsonObject.getString("userId"), true);
log.error("该商品已售罄 productId:{}", productId);
throw new MsgException("该商品已售罄");
}
String skuNum = redisUtil.getMessage(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"));
TbProduct tbProduct = productMapper.selectById(Integer.valueOf(productId));
String skuNum;
// 1:共享库存 0:独立库存
if (Integer.valueOf(tbProduct.getIsDistribute()).equals(1)) {
boolean exist = redisUtil.exists(RedisCst.PRODUCT + shopId + ":product" + productId);
if (!exist) {
redisUtil.saveMessage(RedisCst.PRODUCT + shopId + ":product" + productId, tbProduct.getStockNumber() + "");
}
skuNum = redisUtil.getMessage(RedisCst.PRODUCT + shopId + ":product" + productId);
} else {
boolean exist = redisUtil.exists(RedisCst.PRODUCT + shopId + ":" + skuId);
if (!exist) {
Double stock = tbProductSkuWithBLOBs.getStockNumber();
redisUtil.saveMessage(RedisCst.PRODUCT + shopId + ":" + skuId, Math.round(stock) + "");
}
skuNum = redisUtil.getMessage(RedisCst.PRODUCT + shopId + ":" + skuId);
}
Integer buyNum = jsonObject.getInteger("num");
if (tbProduct.getIsStock() == 1) {
if (Integer.valueOf(skuNum) < 1 && jsonObject.getInteger("num") > 0) {
boolean flag = false;
String id = skuId;
if (Integer.valueOf(tbProduct.getIsDistribute()).equals(1)) {
if (tbProduct.getStockNumber() < 1 && buyNum > 0) {
flag = true;
id = productId;
}
} else {
if (tbProductSkuWithBLOBs.getIsPauseSale().equals(1)) {
flag = true;
} else if (Integer.valueOf(skuNum) < 1 && buyNum > 0) {
flag = true;
}
}
if (flag) {
JSONObject jsonObject1 = new JSONObject();
jsonObject1.put("status", "fail");
jsonObject1.put("msg", "该商品库存已售罄");
jsonObject1.put("data", new ArrayList<>());
PushToAppChannelHandlerAdapter.getInstance().AppSendInfo(jsonObject1.toString(), key, jsonObject.getString("userId"), true);
log.error("该商品库存已售罄 skuId:{}", jsonObject.getString("skuId"));
log.error("该商品库存已售罄 skuId:{}", id);
throw new MsgException("该商品库存已售罄");
}
}
if (redisUtil.exists(RedisCst.TABLE_CART.concat(jsonObject.getString("tableId").concat("-").concat(shopId)))) {
JSONArray array = JSON.parseArray(redisUtil.getMessage(RedisCst.TABLE_CART.concat(jsonObject.getString("tableId").concat("-").concat(shopId))));
if (Objects.isNull(array) || array.isEmpty() || array.size() < 1) {
if (jsonObject.getInteger("num") > 0) {
TbCashierCart cashierCart = addCart(jsonObject.getString("productId"), jsonObject.getString("skuId"),
jsonObject.getInteger("userId"), jsonObject.getInteger("num"), tableId, jsonObject.getString("shopId"));
if (Objects.isNull(array) || array.isEmpty()) {
if (buyNum > 0) {
TbCashierCart cashierCart = addCart(jsonObject.getString("productId"), skuId,
jsonObject.getInteger("userId"), buyNum, tableId, jsonObject.getString("shopId"));
jsonArray.add(cashierCart);
amount = amount.add(new BigDecimal(cashierCart.getNumber()).multiply(cashierCart.getSalePrice().add(cashierCart.getPackFee())));
if (jsonObject.getInteger("num") > 0) {
redisUtil.getIncrNum(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), "1");
} else {
redisUtil.getIncrNum(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), "2");
}
productSkuMapper.updateStockById(jsonObject.getString("skuId"), jsonObject.getInteger("num"));
updateProductStock(tbProduct, tbProductSkuWithBLOBs, buyNum);
}
} else {
boolean flag = true;
for (int i = 0; i < array.size(); i++) {
JSONObject object = array.getJSONObject(i);
TbCashierCart cashierCart = JSONUtil.parseJSONStr2T(object.toJSONString(), TbCashierCart.class);
if (cashierCart.getSkuId().equals(jsonObject.getString("skuId"))) {
cashierCart.setTotalNumber(cashierCart.getTotalNumber() + jsonObject.getInteger("num"));
cashierCart.setNumber(cashierCart.getNumber() + jsonObject.getInteger("num"));
if (jsonObject.getInteger("num") > 0) {
redisUtil.getIncrNum(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), "1");
} else {
redisUtil.getIncrNum(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), "2");
}
productSkuMapper.updateStockById(jsonObject.getString("skuId"), jsonObject.getInteger("num"));
if (cashierCart.getSkuId().equals(skuId)) {
cashierCart.setTotalNumber(cashierCart.getTotalNumber() + buyNum);
cashierCart.setNumber(cashierCart.getNumber() + buyNum);
updateProductStock(tbProduct, tbProductSkuWithBLOBs, buyNum);
if (cashierCart.getNumber() > 0) {
cashierCart.setTotalAmount(new BigDecimal(cashierCart.getTotalNumber()).multiply(cashierCart.getSalePrice().add(cashierCart.getPackFee())));
cashierCart.setUpdatedAt(Instant.now().toEpochMilli());
@@ -159,27 +203,21 @@ public class CartService {
jsonArray.add(cashierCart);
amount = amount.add(new BigDecimal(cashierCart.getTotalNumber()).multiply(cashierCart.getSalePrice().add(cashierCart.getPackFee())));
}
if (flag && jsonObject.getInteger("num") > 0) {
TbCashierCart cashierCart = addCart(jsonObject.getString("productId"), jsonObject.getString("skuId"),
jsonObject.getInteger("userId"), jsonObject.getInteger("num"), tableId, jsonObject.getString("shopId"));
if (flag && buyNum > 0) {
TbCashierCart cashierCart = addCart(jsonObject.getString("productId"), skuId,
jsonObject.getInteger("userId"), buyNum, tableId, jsonObject.getString("shopId"));
jsonArray.add(cashierCart);
amount = amount.add(new BigDecimal(cashierCart.getTotalNumber()).multiply(cashierCart.getSalePrice().add(cashierCart.getPackFee())));
if (jsonObject.getInteger("num") > 0) {
redisUtil.getIncrNum(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), "1");
} else {
redisUtil.getIncrNum(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), "2");
}
productSkuMapper.updateStockById(jsonObject.getString("skuId"), jsonObject.getInteger("num"));
updateProductStock(tbProduct, tbProductSkuWithBLOBs, buyNum);
}
}
} else {
if (jsonObject.getInteger("num") > 0) {
TbCashierCart cashierCart = addCart(jsonObject.getString("productId"), jsonObject.getString("skuId"),
jsonObject.getInteger("userId"), jsonObject.getInteger("num"), tableId, jsonObject.getString("shopId"));
if (buyNum > 0) {
TbCashierCart cashierCart = addCart(jsonObject.getString("productId"), skuId,
jsonObject.getInteger("userId"), buyNum, tableId, jsonObject.getString("shopId"));
jsonArray.add(cashierCart);
amount = amount.add(new BigDecimal(cashierCart.getTotalNumber()).multiply(cashierCart.getSalePrice().add(cashierCart.getPackFee())));
redisUtil.getIncrNum(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), "1");
productSkuMapper.updateStockById(jsonObject.getString("skuId"), jsonObject.getInteger("num"));
updateProductStock(tbProduct, tbProductSkuWithBLOBs, buyNum);
}
}
redisUtil.saveMessage(RedisCst.TABLE_CART.concat(tableId).concat("-").concat(shopId), jsonArray.toJSONString());
@@ -195,6 +233,22 @@ public class CartService {
}
}
private void updateProductStock(TbProduct product, TbProductSkuWithBLOBs productSku, Integer num) {
String key = RedisCst.PRODUCT + product.getShopId() + ":product" + product.getId();
if (product.getIsDistribute() == 1) {
productSkuMapper.updateStockById(product.getId().toString(), num);
} else {
key = RedisCst.PRODUCT + product.getShopId() + ":" + productSku.getId();
productSkuMapper.updateStockById(productSku.getId().toString(), num);
}
if (num > 0) {
redisUtil.getIncrNum(key, "1");
} else {
redisUtil.getIncrNum(key, "2");
}
}
private TbCashierCart addCart(String productId, String skuId, Integer userId, Integer num, String tableId, String shopId) throws Exception {
try {
TbProduct product = productMapper.selectById(Integer.valueOf(productId));
@@ -205,7 +259,7 @@ public class CartService {
jsonObject1.put("msg", "该商品不存在");
jsonObject1.put("data", new ArrayList<>());
PushToAppChannelHandlerAdapter.getInstance().AppSendInfo(jsonObject1.toString(), key, userId.toString(), true);
log.error("购物车添加商品异常，该商品不存在：{}",productId);
log.error("购物车添加商品异常，该商品不存在：{}", productId);
throw new MsgException("该商品不存在");
}
TbProductSkuWithBLOBs productSku = productSkuMapper.selectByPrimaryKey(Integer.valueOf(skuId));
@@ -215,7 +269,7 @@ public class CartService {
jsonObject1.put("msg", "该商品规格不存在");
jsonObject1.put("data", new ArrayList<>());
PushToAppChannelHandlerAdapter.getInstance().AppSendInfo(jsonObject1.toString(), key, userId.toString(), true);
log.error("购物车添加商品异常，该商品sku不存在：{}",productId);
log.error("购物车添加商品异常，该商品sku不存在：{}", productId);
throw new MsgException("该商品规格不存在");
}
TbCashierCart cashierCart = new TbCashierCart();
@@ -429,24 +483,24 @@ public class CartService {
orderInfo.setIsUseCoupon(isuseYhq);
orderInfo.setUserCouponAmount(couponAmount);
JSONObject object=new JSONObject();
String outNumber= redisUtil.getMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")));
Integer number=1;
if(Objects.isNull(outNumber)){
object.put("outNumber",number);
object.put("times",DateUtils.getDay());
}else {
object=JSONObject.parseObject(outNumber);
if(object.getString("times").equals(DateUtils.getDay())){
number=object.getInteger("outNumber")+1;
object.put("outNumber",number);
}else {
object.put("outNumber",number);
object.put("times",DateUtils.getDay());
JSONObject object = new JSONObject();
String outNumber = redisUtil.getMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")));
Integer number = 1;
if (Objects.isNull(outNumber)) {
object.put("outNumber", number);
object.put("times", DateUtils.getDay());
} else {
object = JSONObject.parseObject(outNumber);
if (object.getString("times").equals(DateUtils.getDay())) {
number = object.getInteger("outNumber") + 1;
object.put("outNumber", number);
} else {
object.put("outNumber", number);
object.put("times", DateUtils.getDay());
}
}
orderInfo.setOutNumber(number+"");
redisUtil.saveMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")),object.toString());
orderInfo.setOutNumber(number + "");
redisUtil.saveMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")), object.toString());
orderInfoMapper.insert(orderInfo);
orderId = orderInfo.getId();
}
@@ -534,7 +588,7 @@ public class CartService {
if (Objects.isNull(array) || array.isEmpty() || array.size() < 1) {
for (int i = 0; i < array.size(); i++) {
TbCashierCart cashierCart = JSONUtil.parseJSONStr2T(array.get(i).toString(), TbCashierCart.class);
redisUtil.secAdd(RedisCst.PRODUCT+shopId+":"+jsonObject.getString("skuId"),cashierCart.getNumber().toString());
redisUtil.secAdd(RedisCst.PRODUCT + shopId + ":" + jsonObject.getString("skuId"), cashierCart.getNumber().toString());
productSkuMapper.updateAddStockById(jsonObject.getString("skuId"), cashierCart.getNumber());
}
@@ -737,24 +791,24 @@ public class CartService {
orderInfo.setIsUseCoupon(isuseYhq);
orderInfo.setUserCouponAmount(couponAmount);
JSONObject object=new JSONObject();
String outNumber= redisUtil.getMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")));
Integer number=1;
if(Objects.isNull(outNumber)){
object.put("outNumber",number);
object.put("times",DateUtils.getDay());
}else {
object=JSONObject.parseObject(outNumber);
if(object.getString("times").equals(DateUtils.getDay())){
number=object.getInteger("outNumber")+1;
object.put("outNumber",number);
}else {
object.put("outNumber",number);
object.put("times",DateUtils.getDay());
JSONObject object = new JSONObject();
String outNumber = redisUtil.getMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")));
Integer number = 1;
if (Objects.isNull(outNumber)) {
object.put("outNumber", number);
object.put("times", DateUtils.getDay());
} else {
object = JSONObject.parseObject(outNumber);
if (object.getString("times").equals(DateUtils.getDay())) {
number = object.getInteger("outNumber") + 1;
object.put("outNumber", number);
} else {
object.put("outNumber", number);
object.put("times", DateUtils.getDay());
}
}
orderInfo.setOutNumber(number+"");
redisUtil.saveMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")),object.toString());
orderInfo.setOutNumber(number + "");
redisUtil.saveMessage(RedisCst.OUT_NUMBER.concat(jsonObject.getString("shopId")), object.toString());
orderInfoMapper.insert(orderInfo);

6
src/main/resources/mapper/TbProductMapper.xml
View File

@@ -913,6 +913,12 @@
where id = #{id,jdbcType=INTEGER}
</update>
<update id="updateStockById">
update tb_product
set stock_number = stock_number - #{number,jdbcType=INTEGER}
where id = #{productId}
</update>
<select id="selectByIdIn" resultMap="BaseResultMap">
select *
from tb_product