From 84c6e1df4b6bd48ee0517a33778b514008022875 Mon Sep 17 00:00:00 2001
From: seatonwan9
Date: 星期二, 19 八月 2025 18:10:44 +0800
Subject: [PATCH] 产品订购
---
src/main/java/com/webmanage/service/impl/CartServiceImpl.java | 165 ++++++++++++++++++++++++++++++------------------------
1 files changed, 91 insertions(+), 74 deletions(-)
diff --git a/src/main/java/com/webmanage/service/impl/CartServiceImpl.java b/src/main/java/com/webmanage/service/impl/CartServiceImpl.java
index 304a9fe..7072069 100644
--- a/src/main/java/com/webmanage/service/impl/CartServiceImpl.java
+++ b/src/main/java/com/webmanage/service/impl/CartServiceImpl.java
@@ -7,11 +7,14 @@
import com.webmanage.mapper.CartMapper;
import com.webmanage.mapper.ProductPricingMapper;
import com.webmanage.service.CartService;
+import com.webmanage.service.CartPersistenceService;
import com.webmanage.vo.CartItemVO;
import com.webmanage.vo.CartVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
+import com.webmanage.config.CartProperties;
import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.format.datetime.DateFormatter;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
@@ -39,11 +42,17 @@
@Resource
private ProductPricingMapper productPricingMapper;
+ @Resource
+ private CartPersistenceService cartPersistenceService;
+
+ @Resource
+ private CartProperties cartProperties;
+
// Redis key鍓嶇紑
private static final String CART_KEY_PREFIX = "cart:";
private static final String CART_ITEM_KEY_PREFIX = "cart_item:";
private static final int CART_EXPIRE_DAYS = 30; // 璐墿杞﹁繃鏈熸椂闂�30澶�
-
+
@Override
@Transactional(rollbackFor = Exception.class)
public boolean addToCart(Long userId, Long unitId, CartItemDTO cartItemDTO) {
@@ -53,11 +62,11 @@
if (pricing == null) {
throw new BusinessException("鍟嗗搧瀹氫环涓嶅瓨鍦�");
}
-
+
// 鏋勫缓璐墿杞ey
String cartKey = buildCartKey(userId, unitId);
String cartItemKey = buildCartItemKey(userId, unitId, cartItemDTO.getPricingId());
-
+
// 妫�鏌ュ晢鍝佹槸鍚﹀凡鍦ㄨ喘鐗╄溅涓�
CartItemVO existingItem = (CartItemVO) redisTemplate.opsForValue().get(cartItemKey);
if (existingItem != null) {
@@ -76,19 +85,21 @@
existingItem.setTotalPrice(existingItem.getUnitPrice().multiply(BigDecimal.valueOf(existingItem.getQuantity())));
}
}
-
+
// 淇濆瓨鍒癛edis
- redisTemplate.opsForValue().set(cartItemKey, existingItem, CART_EXPIRE_DAYS, TimeUnit.DAYS);
-
+ redisTemplate.opsForValue().set(cartItemKey, existingItem, (cartProperties.getExpireDays() != null ? cartProperties.getExpireDays() : CART_EXPIRE_DAYS), TimeUnit.DAYS);
+
// 鏇存柊璐墿杞﹀晢鍝佸垪琛�
updateCartItemList(userId, unitId, cartItemDTO.getPricingId(), true);
-
+
// 璁剧疆璐墿杞﹁繃鏈熸椂闂�
- redisTemplate.expire(cartKey, CART_EXPIRE_DAYS, TimeUnit.DAYS);
-
- // 鍚屾鍒版暟鎹簱
- syncCartItemToDatabase(userId, unitId, existingItem);
-
+ redisTemplate.expire(cartKey, (cartProperties.getExpireDays() != null ? cartProperties.getExpireDays() : CART_EXPIRE_DAYS), TimeUnit.DAYS);
+
+ // 寮傛鎸佷箙鍖栧埌鏁版嵁搴擄紙鏍规嵁閰嶇疆锛�
+ if (Boolean.TRUE.equals(cartProperties.getEnablePersistence()) && "realtime".equalsIgnoreCase(cartProperties.getSyncStrategy())) {
+ cartPersistenceService.saveOrUpdate(userId, unitId, existingItem);
+ }
+
log.info("鐢ㄦ埛{}鎴愬姛娣诲姞鍟嗗搧{}鍒拌喘鐗╄溅", userId, cartItemDTO.getProductName());
return true;
} catch (Exception e) {
@@ -96,22 +107,24 @@
throw new BusinessException("娣诲姞鍟嗗搧鍒拌喘鐗╄溅澶辫触锛�" + e.getMessage());
}
}
-
+
@Override
@Transactional(rollbackFor = Exception.class)
public boolean removeFromCart(Long userId, Long unitId, Long pricingId) {
try {
String cartItemKey = buildCartItemKey(userId, unitId, pricingId);
-
+
// 浠嶳edis涓垹闄ゅ晢鍝侀」
Boolean removed = redisTemplate.delete(cartItemKey);
if (Boolean.TRUE.equals(removed)) {
// 鏇存柊璐墿杞﹀晢鍝佸垪琛�
updateCartItemList(userId, unitId, pricingId, false);
-
- // 浠庢暟鎹簱涓垹闄�
- removeCartItemFromDatabase(userId, unitId, pricingId);
-
+
+ // 寮傛浠庢暟鎹簱涓垹闄わ紙鏍规嵁閰嶇疆锛�
+ if (Boolean.TRUE.equals(cartProperties.getEnablePersistence()) && "realtime".equalsIgnoreCase(cartProperties.getSyncStrategy())) {
+ cartPersistenceService.remove(userId, unitId, pricingId);
+ }
+
log.info("鐢ㄦ埛{}鎴愬姛浠庤喘鐗╄溅绉婚櫎鍟嗗搧{}", userId, pricingId);
return true;
}
@@ -121,7 +134,7 @@
throw new BusinessException("浠庤喘鐗╄溅绉婚櫎鍟嗗搧澶辫触锛�" + e.getMessage());
}
}
-
+
@Override
@Transactional(rollbackFor = Exception.class)
public boolean updateCartItemQuantity(Long userId, Long unitId, Long pricingId, Integer quantity) {
@@ -129,23 +142,25 @@
if (quantity <= 0) {
return removeFromCart(userId, unitId, pricingId);
}
-
+
String cartItemKey = buildCartItemKey(userId, unitId, pricingId);
CartItemVO cartItem = (CartItemVO) redisTemplate.opsForValue().get(cartItemKey);
if (cartItem == null) {
throw new BusinessException("璐墿杞﹀晢鍝佷笉瀛樺湪");
}
-
+
cartItem.setQuantity(quantity);
cartItem.setTotalPrice(cartItem.getUnitPrice().multiply(BigDecimal.valueOf(quantity)));
cartItem.setUpdateTime(LocalDateTime.now());
-
+
// 鏇存柊鍒癛edis
- redisTemplate.opsForValue().set(cartItemKey, cartItem, CART_EXPIRE_DAYS, TimeUnit.DAYS);
-
- // 鍚屾鍒版暟鎹簱
- syncCartItemToDatabase(userId, unitId, cartItem);
-
+ redisTemplate.opsForValue().set(cartItemKey, cartItem, (cartProperties.getExpireDays() != null ? cartProperties.getExpireDays() : CART_EXPIRE_DAYS), TimeUnit.DAYS);
+
+ // 寮傛鎸佷箙鍖栧埌鏁版嵁搴擄紙鏍规嵁閰嶇疆锛�
+ if (Boolean.TRUE.equals(cartProperties.getEnablePersistence()) && "realtime".equalsIgnoreCase(cartProperties.getSyncStrategy())) {
+ cartPersistenceService.saveOrUpdate(userId, unitId, cartItem);
+ }
+
log.info("鐢ㄦ埛{}鎴愬姛鏇存柊璐墿杞﹀晢鍝亄}鏁伴噺涓簕}", userId, pricingId, quantity);
return true;
} catch (Exception e) {
@@ -153,26 +168,28 @@
throw new BusinessException("鏇存柊璐墿杞﹀晢鍝佹暟閲忓け璐ワ細" + e.getMessage());
}
}
-
+
@Override
@Transactional(rollbackFor = Exception.class)
public boolean clearCart(Long userId, Long unitId) {
try {
String cartKey = buildCartKey(userId, unitId);
List<Long> pricingIds = getCartItemPricingIds(userId, unitId);
-
+
// 鍒犻櫎鎵�鏈夊晢鍝侀」
for (Long pricingId : pricingIds) {
String cartItemKey = buildCartItemKey(userId, unitId, pricingId);
redisTemplate.delete(cartItemKey);
}
-
+
// 鍒犻櫎璐墿杞﹀垪琛�
redisTemplate.delete(cartKey);
-
- // 娓呯┖鏁版嵁搴撲腑鐨勮喘鐗╄溅鏁版嵁
- clearCartFromDatabase(userId, unitId);
-
+
+ // 寮傛娓呯┖鏁版嵁搴撲腑鐨勮喘鐗╄溅鏁版嵁锛堟牴鎹厤缃級
+ if (Boolean.TRUE.equals(cartProperties.getEnablePersistence()) && "realtime".equalsIgnoreCase(cartProperties.getSyncStrategy())) {
+ cartPersistenceService.clear(userId, unitId);
+ }
+
log.info("鐢ㄦ埛{}鎴愬姛娓呯┖璐墿杞�", userId);
return true;
} catch (Exception e) {
@@ -180,34 +197,34 @@
throw new BusinessException("娓呯┖璐墿杞﹀け璐ワ細" + e.getMessage());
}
}
-
+
@Override
public CartVO getCart(Long userId, Long unitId) {
try {
CartVO cartVO = new CartVO();
cartVO.setUserId(userId);
cartVO.setUnitId(unitId);
-
+
List<CartItemVO> items = getCartItems(userId, unitId);
cartVO.setItems(items);
-
+
// 璁＄畻鎬绘暟閲忓拰鎬婚噾棰�
int totalQuantity = items.stream().mapToInt(item -> item.getQuantity()).sum();
BigDecimal totalAmount = items.stream()
.map(item -> item.getTotalPrice())
.reduce(BigDecimal.ZERO, BigDecimal::add);
-
+
cartVO.setTotalQuantity(totalQuantity);
cartVO.setTotalAmount(totalAmount);
cartVO.setLastUpdateTime(LocalDateTime.now());
-
+
return cartVO;
} catch (Exception e) {
log.error("鑾峰彇璐墿杞︿俊鎭け璐�", e);
throw new BusinessException("鑾峰彇璐墿杞︿俊鎭け璐ワ細" + e.getMessage());
}
}
-
+
@Override
public List<CartItemVO> getCartItems(Long userId, Long unitId) {
try {
@@ -216,7 +233,7 @@
if (items != null && !items.isEmpty()) {
return items;
}
-
+
// Redis涓病鏈夋暟鎹紝浠庢暟鎹簱鍔犺浇
log.info("Redis涓棤璐墿杞︽暟鎹紝浠庢暟鎹簱鍔犺浇鐢ㄦ埛{}鐨勮喘鐗╄溅", userId);
return loadCartFromDatabase(userId, unitId) ? getCartItemsFromRedis(userId, unitId) : new ArrayList<>();
@@ -226,13 +243,13 @@
return getCartItemsFromDatabase(userId, unitId);
}
}
-
+
@Override
public boolean checkCartItemStock(Long userId, Long unitId, Long pricingId) {
// TODO: 瀹炵幇搴撳瓨妫�鏌ラ�昏緫
return true;
}
-
+
@Override
@Transactional(rollbackFor = Exception.class)
public boolean batchRemoveFromCart(Long userId, Long unitId, List<Long> pricingIds) {
@@ -240,18 +257,18 @@
if (CollectionUtils.isEmpty(pricingIds)) {
return true;
}
-
+
for (Long pricingId : pricingIds) {
removeFromCart(userId, unitId, pricingId);
}
-
+
return true;
} catch (Exception e) {
log.error("鎵归噺鍒犻櫎璐墿杞﹀晢鍝佸け璐�", e);
throw new BusinessException("鎵归噺鍒犻櫎璐墿杞﹀晢鍝佸け璐ワ細" + e.getMessage());
}
}
-
+
@Override
public Integer getCartItemCount(Long userId, Long unitId) {
try {
@@ -261,7 +278,7 @@
if (pricingIds != null) {
return pricingIds.size();
}
-
+
// 浠庢暟鎹簱鑾峰彇
return cartMapper.countByUserIdAndUnitId(userId, unitId);
} catch (Exception e) {
@@ -269,7 +286,7 @@
return 0;
}
}
-
+
@Override
public boolean loadCartFromDatabase(Long userId, Long unitId) {
try {
@@ -277,22 +294,22 @@
if (CollectionUtils.isEmpty(cartItems)) {
return false;
}
-
+
String cartKey = buildCartKey(userId, unitId);
List<Long> pricingIds = new ArrayList<>();
-
+
for (Cart cartItem : cartItems) {
CartItemVO itemVO = convertCartToCartItemVO(cartItem);
String cartItemKey = buildCartItemKey(userId, unitId, cartItem.getPricingId());
-
+
// 淇濆瓨鍒癛edis
redisTemplate.opsForValue().set(cartItemKey, itemVO, CART_EXPIRE_DAYS, TimeUnit.DAYS);
pricingIds.add(cartItem.getPricingId());
}
-
+
// 淇濆瓨璐墿杞﹀垪琛ㄥ埌Redis
redisTemplate.opsForValue().set(cartKey, pricingIds, CART_EXPIRE_DAYS, TimeUnit.DAYS);
-
+
log.info("鎴愬姛浠庢暟鎹簱鍔犺浇鐢ㄦ埛{}鐨勮喘鐗╄溅鏁版嵁鍒癛edis", userId);
return true;
} catch (Exception e) {
@@ -300,7 +317,7 @@
return false;
}
}
-
+
@Override
public boolean syncCartToDatabase(Long userId, Long unitId) {
try {
@@ -308,15 +325,15 @@
if (CollectionUtils.isEmpty(redisItems)) {
return true;
}
-
+
// 娓呯┖鏁版嵁搴撲腑鐨勮喘鐗╄溅鏁版嵁
clearCartFromDatabase(userId, unitId);
-
+
// 鍚屾Redis鏁版嵁鍒版暟鎹簱
for (CartItemVO item : redisItems) {
syncCartItemToDatabase(userId, unitId, item);
}
-
+
log.info("鎴愬姛鍚屾Redis璐墿杞︽暟鎹埌鏁版嵁搴擄紝鐢ㄦ埛{}", userId);
return true;
} catch (Exception e) {
@@ -324,18 +341,18 @@
return false;
}
}
-
+
@Override
public boolean checkCartConsistency(Long userId, Long unitId) {
try {
List<CartItemVO> redisItems = getCartItemsFromRedis(userId, unitId);
List<Cart> dbItems = cartMapper.selectByUserIdAndUnitId(userId, unitId);
-
+
if (redisItems.size() != dbItems.size()) {
log.warn("璐墿杞︽暟鎹笉涓�鑷达細Redis鏁伴噺{}锛屾暟鎹簱鏁伴噺{}", redisItems.size(), dbItems.size());
return false;
}
-
+
// 妫�鏌ユ瘡涓晢鍝侀」鏄惁涓�鑷�
for (CartItemVO redisItem : redisItems) {
boolean found = false;
@@ -351,56 +368,56 @@
return false;
}
}
-
+
return true;
} catch (Exception e) {
log.error("妫�鏌ヨ喘鐗╄溅鏁版嵁涓�鑷存�уけ璐�", e);
return false;
}
}
-
+
// ==================== 绉佹湁鏂规硶 ====================
-
+
private String buildCartKey(Long userId, Long unitId) {
return CART_KEY_PREFIX + userId + ":" + unitId;
}
-
+
private String buildCartItemKey(Long userId, Long unitId, Long pricingId) {
return CART_ITEM_KEY_PREFIX + userId + ":" + unitId + ":" + pricingId;
}
-
+
private void updateCartItemList(Long userId, Long unitId, Long pricingId, boolean add) {
String cartKey = buildCartKey(userId, unitId);
List<Long> pricingIds = (List<Long>) redisTemplate.opsForValue().get(cartKey);
-
+
if (pricingIds == null) {
pricingIds = new ArrayList<>();
}
-
+
if (add && !pricingIds.contains(pricingId)) {
pricingIds.add(pricingId);
} else if (!add) {
pricingIds.remove(pricingId);
}
-
+
redisTemplate.opsForValue().set(cartKey, pricingIds, CART_EXPIRE_DAYS, TimeUnit.DAYS);
}
-
+
private List<Long> getCartItemPricingIds(Long userId, Long unitId) {
String cartKey = buildCartKey(userId, unitId);
List<Long> pricingIds = (List<Long>) redisTemplate.opsForValue().get(cartKey);
return pricingIds != null ? pricingIds : new ArrayList<>();
}
-
+
private List<CartItemVO> getCartItemsFromRedis(Long userId, Long unitId) {
try {
String cartKey = buildCartKey(userId, unitId);
List<Long> pricingIds = (List<Long>) redisTemplate.opsForValue().get(cartKey);
-
+
if (CollectionUtils.isEmpty(pricingIds)) {
return new ArrayList<>();
}
-
+
List<CartItemVO> items = new ArrayList<>();
for (Long pricingId : pricingIds) {
String cartItemKey = buildCartItemKey(userId, unitId, pricingId);
@@ -409,7 +426,7 @@
items.add(item);
}
}
-
+
return items;
} catch (Exception e) {
log.error("浠嶳edis鑾峰彇璐墿杞﹀晢鍝佸垪琛ㄥけ璐�", e);
@@ -467,7 +484,7 @@
try {
Cart existingCart = cartMapper.selectByUserIdUnitIdAndPricingId(userId, unitId, pricingId);
if (existingCart != null) {
- cartMapper.deleteById(existingCart.getId());
+ cartMapper.deleteByCustomerCondition(existingCart.getId());
}
} catch (Exception e) {
log.error("浠庢暟鎹簱鍒犻櫎璐墿杞﹀晢鍝佸け璐�", e);
--
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