fix(Customers): 등급 기준 변경 시 반영이 안되던 오류를 수정

반복문의 인덱스를 j가 아닌 i를 참조하던 것을 수정

Author: brotherstone97

src/main/java/me/smartstore/customer/Customers.java

@@ -32,17 +32,17 @@ public void refreshCustomersGroup() {
             int totalAmount = currentCustomer.getTotalAmount();
 
             for (int j = 0; j < groupList.size() - 1; j++) {
-                int currentMinimumHours = groupList.get(i).getParameter().getMinimumHours();
-                int currentMinimumTotalAmount = groupList.get(i).getParameter().getMinimumTotalAmount();
-                int nextMinimumHours = groupList.get(i + 1).getParameter().getMinimumHours();
-                int nextMinimumTotalAmount = groupList.get(i + 1).getParameter().getMinimumTotalAmount();
+                int currentMinimumHours = groupList.get(j).getParameter().getMinimumHours();
+                int currentMinimumTotalAmount = groupList.get(j).getParameter().getMinimumTotalAmount();
+                int nextMinimumHours = groupList.get(j + 1).getParameter().getMinimumHours();
+                int nextMinimumTotalAmount = groupList.get(j + 1).getParameter().getMinimumTotalAmount();
                 //어떤 기준도 충족 못시킬 때
                 if (hours <= currentMinimumHours || totalAmount <= currentMinimumTotalAmount) {
-                    currentCustomer.setGroup(GroupType.getGroupType(0));
+                    currentCustomer.setGroup(GroupType.getGroupType(j));
                     return;
                 }
                 if (hours <= nextMinimumHours && totalAmount <= nextMinimumTotalAmount) {
-                    currentCustomer.setGroup(GroupType.getGroupType(i));
+                    currentCustomer.setGroup(GroupType.getGroupType(j));
                     return;
                 }
             }