检查限购数据

fs-user-app/src/main/java/com/fs/app/controller/store/StoreProductController.java

@@ -6,9 +6,11 @@ import com.fs.common.core.domain.R;
 import com.fs.common.utils.StringUtils;
 import com.fs.hisStore.domain.FsStoreProductAttrScrm;
 import com.fs.hisStore.domain.FsStoreProductAttrValueScrm;
+import com.fs.hisStore.domain.FsStoreProductPurchaseLimitScrm;
 import com.fs.hisStore.domain.FsStoreProductScrm;
 import com.fs.hisStore.service.IFsStoreProductAttrScrmService;
 import com.fs.hisStore.service.IFsStoreProductAttrValueScrmService;
+import com.fs.hisStore.service.IFsStoreProductPurchaseLimitScrmService;
 import com.fs.hisStore.service.IFsStoreProductScrmService;
 import com.fs.hisStore.vo.FsStoreProductListVO;
 import com.github.pagehelper.PageHelper;
@@ -35,6 +37,9 @@ public class StoreProductController extends AppBaseController {
     @Autowired
     private IFsStoreProductAttrScrmService attrService;
 
+    @Autowired
+    private IFsStoreProductPurchaseLimitScrmService purchaseLimitService;
+
     /**
      * 查询本公司下的商城产品列表
      */
@@ -71,6 +76,7 @@ public class StoreProductController extends AppBaseController {
      */
     @ApiOperation("查看商品详情")
     @GetMapping("/{productId}")
+    @Login
     public R getInfo(@PathVariable("productId") Long productId,
                      @RequestParam("companyId") Long companyId,
                      @RequestParam("companyUserId") Long companyUserId) {
@@ -86,10 +92,33 @@ public class StoreProductController extends AppBaseController {
         // 查询商品规格属性值
         List<FsStoreProductAttrScrm> productAttr=attrService.selectFsStoreProductAttrByProductId(product.getProductId());
         List<FsStoreProductAttrValueScrm> productValues=attrValueService.selectFsStoreProductAttrValueByProductId(product.getProductId());
-
+        // 查询限购信息
+        Integer remainingPurchaseLimit = null; // 剩余可购买数量
+        Integer purchasedNum = 0; // 已购买数量
+        if (product.getPurchaseLimit() != null && product.getPurchaseLimit() > 0) {
+            // 商品有限购，查询用户是否购买过
+            String userId = getUserId();
+            if (StringUtils.isNotEmpty(userId)) {
+                FsStoreProductPurchaseLimitScrm purchaseLimit = purchaseLimitService.selectByProductIdAndUserId(
+                        product.getProductId(), Long.parseLong(userId));
+                if (purchaseLimit != null) {
+                    purchasedNum = purchaseLimit.getNum();
+                }
+                // 计算剩余可购买数量
+                remainingPurchaseLimit = product.getPurchaseLimit() - purchasedNum;
+                if (remainingPurchaseLimit < 0) {
+                    remainingPurchaseLimit = 0;
+                }
+            } else {
+                // 未登录用户，剩余可购买数量等于限购数量
+                remainingPurchaseLimit = product.getPurchaseLimit();
+            }
+        }
         return R.ok().put("product", product)
                 .put("productAttr",productAttr)
-                .put("productValues",productValues);
+                .put("productValues",productValues)
+                .put("remainingPurchaseLimit", remainingPurchaseLimit) // 剩余可购买数量
+                .put("purchasedNum", purchasedNum);
     }
 
     /**