package cn.iocoder.yudao.module.im.controller.admin.manager.friend;
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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.friend.vo.ImFriendRequestManagerPageReqVO;
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import cn.iocoder.yudao.module.im.controller.admin.manager.friend.vo.ImFriendRequestManagerRespVO;
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import cn.iocoder.yudao.module.im.dal.dataobject.friend.ImFriendRequestDO;
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import cn.iocoder.yudao.module.im.service.friend.ImFriendRequestService;
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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.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.RestController;
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import java.util.Map;
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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.convertSetByFlatMap;
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@Tag(name = "管理后台 - IM 好友申请管理")
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@RestController
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@RequestMapping("/im/manager/friend-request")
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@Validated
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public class ImFriendRequestManagerController {
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@Resource
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private ImFriendRequestService friendRequestService;
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@Resource
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private AdminUserApi adminUserApi;
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@GetMapping("/page")
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@Operation(summary = "获得好友申请分页")
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@PreAuthorize("@ss.hasPermission('im:manager:friend-request:query')")
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public CommonResult<PageResult<ImFriendRequestManagerRespVO>> getFriendRequestPage(
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@Valid ImFriendRequestManagerPageReqVO pageReqVO) {
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// 1. 分页查询
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PageResult<ImFriendRequestDO> pageResult = friendRequestService.getFriendRequestPage(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 一次性批量查询发起方 + 接收方的昵称
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Set<Long> userIds = convertSetByFlatMap(pageResult.getList(),
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request -> Stream.of(request.getFromUserId(), request.getToUserId()));
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Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
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// 2.2 转换为 VO，填充昵称
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return success(BeanUtils.toBean(pageResult, ImFriendRequestManagerRespVO.class, vo -> {
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MapUtils.findAndThen(userMap, vo.getFromUserId(),
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user -> vo.setFromNickname(user.getNickname()));
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MapUtils.findAndThen(userMap, vo.getToUserId(),
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user -> vo.setToNickname(user.getNickname()));
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}));
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}
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}
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