feat(vendor): 供应商分配优化调整，增加注释

src/main/java/com/uas/platform/b2b/service/impl/VendorsServiceImpl.java

@@ -534,8 +534,14 @@ public class VendorsServiceImpl implements VendorService {
             for (UserBaseInfo user : userList) {
                 Long userUU = user.getUserUU();
                 VendorDistribute distribute = new VendorDistribute();
+                List<VendorDistribute> distributes = vendorDistributeDao.findByUserUUAndVendorId(userUU, id);
+                // 根据前端选择是否分配判断
                 if (user.isDistribute()) {
-                    List<VendorDistribute> distributes = vendorDistributeDao.findByUserUUAndVendorId(userUU, id);
+                    /*
+                     * 判断是否已存在分配关系
+                     * 1、 不存在新增
+                     * 2、 存在判断绑定状态，不为1的时候设置为1，更新，状态为1不处理
+                     */
                     if (CollectionUtils.isEmpty(distributes)) {
                         distribute.setUserUU(userUU);
                         distribute.setVendorId(id);
@@ -543,11 +549,12 @@ public class VendorsServiceImpl implements VendorService {
                         needSaveOrUpdateList.add(distribute);
                     } else {
                         distribute = distributes.get(0);
-                        distribute.setDistribute(Constant.YES);
-                        needSaveOrUpdateList.add(distribute);
+                        if (null == distribute.getDistribute() || Constant.NO == distribute.getDistribute()) {
+                            distribute.setDistribute(Constant.YES);
+                            needSaveOrUpdateList.add(distribute);
+                        }
                     }
                 } else {
-                    List<VendorDistribute> distributes = vendorDistributeDao.findByUserUUAndVendorId(userUU, id);
                     if (!CollectionUtils.isEmpty(distributes)) {
                         /*
                          * 判断分配和权限转移关系