群主转移后下发事件

core/src/main/java/com/wecloud/im/service/impl/ImGroupServiceImpl.java

@@ -354,6 +354,9 @@ public class ImGroupServiceImpl implements ImGroupService {
 
     @Override
     public Boolean groupOwnerTransfer(String groupId, String newGroupOwnerUserId) {
+        Long appId = SecurityUtils.getCurrentAppId();
+
+        ImApplication imApplication = applicationService.getCacheById(appId);
         ImConversation conversation = imConversationMapper.selectOne(Wrappers.<ImConversation>lambdaQuery().eq(ImConversation::getFkAppid,
                 SecurityUtils.getCurrentAppId()).eq(ImConversation::getId, groupId));
         if (conversation == null) {
@@ -363,6 +366,7 @@ public class ImGroupServiceImpl implements ImGroupService {
         ImConversationMembers oldGroupOwner =
                 conversationMembersService.getOne(Wrappers.<ImConversationMembers>lambdaQuery().eq(ImConversationMembers::getFkConversationId,
                         conversation.getId()).eq(ImConversationMembers::getRole, GroupRoleEnum.OWNER.getCode()));
+        ImClient oldGroupOwnerClient = clientService.getById(oldGroupOwner.getFkClientId());
         // 获取新群主
         ImConversationMembers newGroupOwner =
                 conversationMembersService.getOne(Wrappers.<ImConversationMembers>lambdaQuery().eq(ImConversationMembers::getFkConversationId,
@@ -385,6 +389,18 @@ public class ImGroupServiceImpl implements ImGroupService {
             newGroupOwner.setRole(GroupRoleEnum.OWNER.getCode());
             conversationMembersService.updateById(newGroupOwner);
         }
+
+        // 操作的client ID
+        Map<String, Object> content = new HashMap<>();
+        content.put("operator", newGroupOwner.getClientId());
+        ImMessage imMessage = MessageBuilder.buildEventMessage(MsgTypeEnum.REMOVE_CLIENT_CONVERSATION, imApplication, oldGroupOwnerClient, conversation, JsonUtils.encodeJson(content));
+        imMessageService.save(imMessage);
+        // 发送给在群内的成员
+        List<ImConversationMembers> existMemberList =
+                conversationMembersService.list(Wrappers.<ImConversationMembers>lambdaQuery()
+                        .eq(ImConversationMembers::getFkConversationId, conversation.getId()));
+        conversationService.sendMsgToMembers(conversation, existMemberList, oldGroupOwnerClient, imMessage, content);
+
         return true;
     }