package cn.iocoder.yudao.module.im.controller.admin.manager.message;
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import cn.hutool.core.collection.CollUtil;
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import cn.iocoder.yudao.framework.common.pojo.CommonResult;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.module.im.controller.admin.manager.message.vo.group.ImGroupMessageManagerPageReqVO;
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import cn.iocoder.yudao.module.im.controller.admin.manager.message.vo.group.ImGroupMessageManagerRespVO;
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import cn.iocoder.yudao.module.im.dal.dataobject.group.ImGroupDO;
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import cn.iocoder.yudao.module.im.dal.dataobject.message.ImGroupMessageDO;
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import cn.iocoder.yudao.module.im.service.group.ImGroupService;
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import cn.iocoder.yudao.module.im.service.message.ImGroupMessageService;
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import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
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import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import jakarta.annotation.Resource;
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import jakarta.validation.Valid;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Set;
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import java.util.stream.Stream;
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import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSetByFlatMap;
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import static cn.iocoder.yudao.module.im.enums.ImCommonConstants.AT_USER_ID_ALL;
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@Tag(name = "管理后台 - IM 群聊消息")
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@RestController
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@RequestMapping("/im/manager/message/group")
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@Validated
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public class ImGroupMessageManagerController {
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@Resource
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private ImGroupMessageService groupMessageService;
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@Resource
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private ImGroupService groupService;
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@Resource
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private AdminUserApi adminUserApi;
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@GetMapping("/page")
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@Operation(summary = "获得群聊消息分页")
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@PreAuthorize("@ss.hasPermission('im:manager:message:query')")
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public CommonResult<PageResult<ImGroupMessageManagerRespVO>> getGroupMessagePage(
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@Valid ImGroupMessageManagerPageReqVO pageReqVO) {
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// 1. 分页查询
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PageResult<ImGroupMessageDO> pageResult = groupMessageService.getGroupMessagePage(pageReqVO);
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if (CollUtil.isEmpty(pageResult.getList())) {
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return success(PageResult.empty(pageResult.getTotal()));
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}
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// 2.1 批量查询群名称、发送人昵称、@ 用户昵称（-1 表示 @所有人，跳过查询，由前端判断渲染）
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Map<Long, ImGroupDO> groupMap = groupService.getGroupMap(
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convertSet(pageResult.getList(), ImGroupMessageDO::getGroupId));
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Set<Long> userIds = convertSetByFlatMap(pageResult.getList(), m -> Stream.concat(
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Stream.of(m.getSenderId()),
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CollUtil.emptyIfNull(m.getAtUserIds()).stream()
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.filter(id -> !Objects.equals(id, AT_USER_ID_ALL))));
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Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
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// 2.2 转换为 VO，填充群名 / 发送人昵称 / @ 用户昵称（-1 位置留 null，由前端展示「@所有人」）
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return success(BeanUtils.toBean(pageResult, ImGroupMessageManagerRespVO.class, vo -> {
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MapUtils.findAndThen(groupMap, vo.getGroupId(), group -> vo.setGroupName(group.getName()));
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MapUtils.findAndThen(userMap, vo.getSenderId(), user -> vo.setSenderNickname(user.getNickname()));
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if (CollUtil.isNotEmpty(vo.getAtUserIds())) {
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vo.setAtUserNicknames(convertList(vo.getAtUserIds(), id -> {
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AdminUserRespDTO user = userMap.get(id);
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return user != null ? user.getNickname() : null;
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}));
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}
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}));
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}
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@GetMapping("/get")
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@Operation(summary = "获得群聊消息详情")
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@Parameter(name = "id", description = "消息编号", required = true, example = "1024")
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@PreAuthorize("@ss.hasPermission('im:manager:message:query')")
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public CommonResult<ImGroupMessageManagerRespVO> getGroupMessage(@RequestParam("id") Long id) {
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ImGroupMessageDO message = groupMessageService.getGroupMessage(id);
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return success(BeanUtils.toBean(message, ImGroupMessageManagerRespVO.class));
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}
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}
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