fixed bug[7943]账号a发起添加好友，b账号点同意，账号a还停留在添加好友页面再次发起添加好友，账号b已同意的状态变成未同意，通讯录好友消失

core/src/main/java/com/wecloud/im/friend/service/ImFriendService.java

@@ -108,15 +108,31 @@ public class ImFriendService extends BaseServiceImpl<ImFriendMapper, ImFriend> {
      */
     @Transactional
     public Boolean applyFriend(ImClient currentClient, ImClient friendClient, String friendName, String requestRemark) {
-        //好友关系有维护两条，我和他，他和我
-        ImFriend my = new ImFriend();
-        my.setClientId(currentClient.getClientId());
-        my.setClientIdFriend(friendClient.getClientId());
-        my.setClientIdClaimer(currentClient.getClientId());
-        my.setFriendName(friendName);
-        my.setRequestRemark(requestRemark);
-        my.setState(FriendStateEnum.UNSURE.getCode());
-        if (getByKey(currentClient.getClientId(), friendClient.getClientId()) != null) {
+        ImFriend my = getByKey(currentClient.getClientId(), friendClient.getClientId());
+        ImFriend friend = getByKey(friendClient.getClientId(), currentClient.getClientId());
+        if (my != null && friend != null) {
+            // 先判断双方是否已经处理过
+            boolean myIsApprove =
+                    my.getState().equals(FriendStateEnum.CONFORM.getCode()) || my.getState().equals(FriendStateEnum.REJECT.getCode());
+            boolean friendIsApprove =
+                    friend.getState().equals(FriendStateEnum.CONFORM.getCode()) || friend.getState().equals(FriendStateEnum.REJECT.getCode());
+            if (myIsApprove && friendIsApprove) {
+                return true;
+            }
+        }
+        if (my == null) {
+            my = new ImFriend();
+            my.setClientId(currentClient.getClientId());
+            my.setClientIdFriend(friendClient.getClientId());
+            my.setClientIdClaimer(currentClient.getClientId());
+            my.setFriendName(friendName);
+            my.setRequestRemark(requestRemark);
+            my.setState(FriendStateEnum.UNSURE.getCode());
+            my.setId(SnowflakeUtil.getId());
+            my.setCreateTime(new Date());
+            my.setUpdateTime(new Date());
+            this.save(my);
+        } else {
             if (StringUtils.isNotEmpty(requestRemark)) {
                 my.setRequestRemark(requestRemark);
             }
@@ -124,29 +140,24 @@ public class ImFriendService extends BaseServiceImpl<ImFriendMapper, ImFriend> {
                 my.setFriendName(friendName);
             }
             this.updateByKey(my);
-        } else {
-            my.setId(SnowflakeUtil.getId());
-            my.setCreateTime(new Date());
-            my.setUpdateTime(new Date());
-            this.save(my);
         }
 
-        ImFriend friend = new ImFriend();
-        friend.setClientId(friendClient.getClientId());
-        friend.setClientIdFriend(currentClient.getClientId());
-        friend.setClientIdClaimer(currentClient.getClientId());
-        friend.setRequestRemark(requestRemark);
-        friend.setState(FriendStateEnum.UNSURE.getCode());
-        if (getByKey(friendClient.getClientId(), currentClient.getClientId()) != null) {
-            if (StringUtils.isNotEmpty(requestRemark)) {
-                friend.setRequestRemark(requestRemark);
-            }
-            this.updateByKey(friend);
-        } else {
+        if (friend == null) {
+            friend = new ImFriend();
+            friend.setClientId(friendClient.getClientId());
+            friend.setClientIdFriend(currentClient.getClientId());
+            friend.setClientIdClaimer(currentClient.getClientId());
+            friend.setRequestRemark(requestRemark);
+            friend.setState(FriendStateEnum.UNSURE.getCode());
             friend.setId(SnowflakeUtil.getId());
             friend.setCreateTime(new Date());
             friend.setUpdateTime(new Date());
             this.save(friend);
+        } else {
+            if (StringUtils.isNotEmpty(requestRemark)) {
+                friend.setRequestRemark(requestRemark);
+            }
+            this.updateByKey(friend);
         }
 
         //既然申请好友了，就删除好友推荐