feat: 新增添加管理员功能

mallchat-common/src/main/java/com/abin/mallchat/common/chat/dao/GroupMemberDao.java

@@ -1,20 +1,24 @@
 package com.abin.mallchat.common.chat.dao;
 
+import cn.hutool.core.util.ObjectUtil;
 import com.abin.mallchat.common.chat.domain.entity.GroupMember;
 import com.abin.mallchat.common.chat.domain.enums.GroupRoleEnum;
 import com.abin.mallchat.common.chat.mapper.GroupMemberMapper;
 import com.abin.mallchat.common.chat.service.cache.GroupMemberCache;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import io.swagger.models.auth.In;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 
-import java.util.HashMap;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
+import static com.abin.mallchat.common.chat.domain.enums.GroupRoleEnum.ADMIN_LIST;
+
 /**
  * <p>
  * 群成员表 服务实现类
@@ -58,6 +62,7 @@ public class GroupMemberDao extends ServiceImpl<GroupMemberMapper, GroupMember>
         List<GroupMember> list = lambdaQuery()
                 .eq(GroupMember::getGroupId, groupId)
                 .in(GroupMember::getUid, uidList)
+                .in(GroupMember::getRole, ADMIN_LIST)
                 .select(GroupMember::getUid, GroupMember::getRole)
                 .list();
         return list.stream().collect(Collectors.toMap(GroupMember::getUid, GroupMember::getRole));
@@ -88,4 +93,49 @@ public class GroupMemberDao extends ServiceImpl<GroupMemberMapper, GroupMember>
         List<Long> memberUidList = groupMemberCache.getMemberUidList(roomId);
         return memberUidList.containsAll(uidList);
     }
+
+    /**
+     * 是否是群主
+     *
+     * @param id  群组ID
+     * @param uid 用户ID
+     * @return 是否是群主
+     */
+    public Boolean isLord(Long id, Long uid) {
+        GroupMember groupMember = this.lambdaQuery()
+                .eq(GroupMember::getGroupId, id)
+                .eq(GroupMember::getUid, uid)
+                .one();
+        return ObjectUtil.isNotNull(groupMember);
+    }
+
+    /**
+     * 获取管理员uid列表
+     *
+     * @param id 群主ID
+     * @return 管理员uid列表
+     */
+    public List<Long> getManageUidList(Long id) {
+        return this.lambdaQuery()
+                .eq(GroupMember::getGroupId, id)
+                .eq(GroupMember::getRole, GroupRoleEnum.MANAGER.getType())
+                .list()
+                .stream()
+                .map(GroupMember::getUid)
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 增加管理员
+     *
+     * @param id      群主ID
+     * @param uidList 用户列表
+     */
+    public void addAdmin(Long id, List<Long> uidList) {
+        LambdaUpdateWrapper<GroupMember> wrapper = new UpdateWrapper<GroupMember>().lambda()
+                .eq(GroupMember::getGroupId, id)
+                .in(GroupMember::getUid, uidList)
+                .set(GroupMember::getRole, GroupRoleEnum.MANAGER.getType());
+        this.update(wrapper);
+    }
 }

mallchat-common/src/main/java/com/abin/mallchat/common/chat/domain/enums/GroupRoleEnum.java

@@ -4,6 +4,7 @@ import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 import java.util.Arrays;
+import java.util.List;
 import java.util.Map;
 import java.util.function.Function;
 import java.util.stream.Collectors;
@@ -23,6 +24,8 @@ public enum GroupRoleEnum {
 
     private final Integer type;
     private final String desc;
+    
+    public static final List<Integer> ADMIN_LIST = Arrays.asList(GroupRoleEnum.LEADER.getType(), GroupRoleEnum.MANAGER.getType());
 
     private static Map<Integer, GroupRoleEnum> cache;
 

mallchat-common/src/main/java/com/abin/mallchat/common/chat/service/IGroupMemberService.java

@@ -13,4 +13,5 @@ import com.baomidou.mybatisplus.extension.service.IService;
  */
 public interface IGroupMemberService extends IService<GroupMember> {
 
+
 }

mallchat-common/src/main/java/com/abin/mallchat/common/common/exception/GroupErrorEnum.java

@@ -0,0 +1,34 @@
+package com.abin.mallchat.common.common.exception;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * @Author Kkuil
+ * @Date 2023/10/24 15:50
+ * @Description 群异常码
+ */
+@AllArgsConstructor
+@Getter
+public enum GroupErrorEnum implements ErrorEnum {
+    /**
+     *
+     */
+    GROUP_NOT_EXIST(9001, "该群不存在~"),
+    NOT_ALLOWED_OPERATION(9002, "您无权操作~"),
+    MANAGE_COUNT_EXCEED(9003, "群管理员数量达到上限，请先删除后再操作~"),
+    USER_NOT_IN_GROUP(9004, "非法操作，用户不存在群聊中~"),
+    ;
+    private final Integer code;
+    private final String msg;
+
+    @Override
+    public Integer getErrorCode() {
+        return this.code;
+    }
+
+    @Override
+    public String getErrorMsg() {
+        return this.msg;
+    }
+}