REQ-3345: 邀请人问题

im-center-api/src/main/java/cn/axzo/im/center/api/vo/req/GroupAddMembersRequest.java

@@ -20,6 +20,12 @@ public class GroupAddMembersRequest {
     @NotNull(message = "群ID不能为空")
     private Long tid;
 
+    /**
+     * 邀请者
+     */
+    @NotNull(message = "inviter不能为空")
+    private PersonAccountAttribute inviter;
+
     /**
      * 群成员, 不包含群主. members数量不能超过199
      */

im-center-server/src/main/java/cn/axzo/im/dao/repository/GroupMemberDao.java

@@ -11,6 +11,7 @@ import org.springframework.stereotype.Repository;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.Optional;
 import java.util.Set;
 
 import static java.util.stream.Collectors.toSet;
@@ -55,6 +56,11 @@ public class GroupMemberDao extends ServiceImpl<GroupMapperMapper, GroupMember>
                 .remove();
     }
 
+    public Optional<GroupMember> findByPerson(Long tid, PersonAccountAttribute person) {
+        List<GroupMember> members = getByPersons(tid, Collections.singletonList(person));
+        return CollectionUtils.isEmpty(members) ? Optional.empty() : Optional.of(members.get(0));
+    }
+
     public List<GroupMember> getByPersons(
             Long tid, Collection<PersonAccountAttribute> persons) {
         if (CollectionUtils.isEmpty(persons))

im-center-server/src/main/java/cn/axzo/im/group/GroupManager.java

@@ -141,8 +141,12 @@ public class GroupManager {
                         group.getTid(), group.getName(), JSON.toJSONString(request.getMembers()));
                 return new GroupAddMembersResponse();
             }
+            GroupMember inviter = groupMemberDao
+                    .findByPerson(group.getTid(), request.getInviter())
+                    .orElse(null);
+            BizAssertions.assertNotNull(inviter, "邀请者不在群中");
             NimGroupAddMembersRequest nimRequest = groupSupport
-                    .buildAddMembersRequest(group, group.getOwnerAccount(), imAccounts);
+                    .buildAddMembersRequest(group, inviter.getImAccount(), imAccounts);
             // add members
             rateLimiter.requireAddMember();
             NimGroupAddMembersResponse nimResponse = nimClient.addGroupMembers(nimRequest);