增加一个店铺只能关联一个供应商限制

src/main/java/com/uas/platform/b2c/prod/product/brand/dao/VendorListDao.java

@@ -37,4 +37,12 @@ public interface VendorListDao extends JpaSpecificationExecutor<VendorList>, Jpa
      * @return
      */
     List<VendorList> findByBranduuidAndLicense(String uuid, String license);
+
+    /**
+     * 通过品牌uuid和店铺id获取品牌供应商信息
+     * @param branduuid
+     * @param storeuuid
+     * @return
+     */
+    VendorList findByBranduuidAndStoreuuid(String branduuid, String storeuuid);
 }

src/main/java/com/uas/platform/b2c/prod/product/brand/service/impl/VendorListSubmitServiceImpl.java

@@ -453,8 +453,17 @@ public class VendorListSubmitServiceImpl implements VendorListSubmitService {
      * @param vendorListSubmit
      * @return
      */
-    private boolean validition(VendorListSubmit vendorListSubmit) {
-        boolean tag = true;
-        return tag;
+    private void validition(VendorListSubmit vendorListSubmit) {
+        if (vendorListSubmit.getBranduuid() == null) {
+            throw new IllegalOperatorException("品牌信息为空，请确认信息后重新申请");
+        }
+
+        // 店铺id不为空时，验证同品牌下是否存在已关联该店铺的供应商(更新自身除外)
+        if (vendorListSubmit.getStoreuuid() != null) {
+            VendorList existsVendor = vendorListDao.findByBranduuidAndStoreuuid(vendorListSubmit.getBranduuid(), vendorListSubmit.getStoreuuid());
+            if (existsVendor != null && !existsVendor.getId().equals(vendorListSubmit.getVendorid())) {
+                throw new IllegalOperatorException("此店铺关联供应商已入驻，请确认信息后重新申请");
+            }
+        }
     }
 }