4.8 图库空间使用分析：私人和公共
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package edu.whut.smilepicturebackend.controller;
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import edu.whut.smilepicturebackend.common.BaseResponse;
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import edu.whut.smilepicturebackend.common.ResultUtils;
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import edu.whut.smilepicturebackend.exception.ErrorCode;
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import edu.whut.smilepicturebackend.exception.ThrowUtils;
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import edu.whut.smilepicturebackend.model.dto.space.analyze.*;
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import edu.whut.smilepicturebackend.model.entity.Space;
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import edu.whut.smilepicturebackend.model.entity.User;
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import edu.whut.smilepicturebackend.model.vo.analyze.*;
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import edu.whut.smilepicturebackend.model.vo.space.analyze.*;
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import edu.whut.smilepicturebackend.service.SpaceAnalyzeService;
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import edu.whut.smilepicturebackend.service.UserService;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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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 javax.servlet.http.HttpServletRequest;
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import java.util.List;
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/**
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* @author 程序员鱼皮 <a href="https://www.codefather.cn">编程导航原创项目</a>
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*/
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@Slf4j
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@RestController
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@RequiredArgsConstructor
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@RequestMapping("/space/analyze")
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public class SpaceAnalyzeController {
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private final UserService userService;
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private final SpaceAnalyzeService spaceAnalyzeService;
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/**
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* 获取空间的使用状态
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*
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* @param spaceUsageAnalyzeRequest
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* @param request
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* @return
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*/
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@PostMapping("/usage")
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public BaseResponse<SpaceUsageAnalyzeResponse> getSpaceUsageAnalyze(
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@RequestBody SpaceUsageAnalyzeRequest spaceUsageAnalyzeRequest,
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HttpServletRequest request) {
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ThrowUtils.throwIf(spaceUsageAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
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User loginUser = userService.getLoginUser(request);
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SpaceUsageAnalyzeResponse spaceUsageAnalyze = spaceAnalyzeService.getSpaceUsageAnalyze(spaceUsageAnalyzeRequest, loginUser);
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return ResultUtils.success(spaceUsageAnalyze);
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}
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/**
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* 获取空间图片分类分析
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*
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* @param spaceCategoryAnalyzeRequest
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* @param request
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* @return
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*/
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@PostMapping("/category")
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public BaseResponse<List<SpaceCategoryAnalyzeResponse>> getSpaceCategoryAnalyze(
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@RequestBody SpaceCategoryAnalyzeRequest spaceCategoryAnalyzeRequest,
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HttpServletRequest request) {
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ThrowUtils.throwIf(spaceCategoryAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
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User loginUser = userService.getLoginUser(request);
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List<SpaceCategoryAnalyzeResponse> spaceCategoryAnalyze = spaceAnalyzeService.getSpaceCategoryAnalyze(spaceCategoryAnalyzeRequest, loginUser);
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return ResultUtils.success(spaceCategoryAnalyze);
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}
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/**
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* 获取空间图片标签分析
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*
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* @param spaceTagAnalyzeRequest
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* @param request
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* @return
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*/
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@PostMapping("/tag")
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public BaseResponse<List<SpaceTagAnalyzeResponse>> getSpaceTagAnalyze(
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@RequestBody SpaceTagAnalyzeRequest spaceTagAnalyzeRequest,
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HttpServletRequest request) {
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ThrowUtils.throwIf(spaceTagAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
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User loginUser = userService.getLoginUser(request);
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List<SpaceTagAnalyzeResponse> spaceTagAnalyze = spaceAnalyzeService.getSpaceTagAnalyze(spaceTagAnalyzeRequest, loginUser);
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return ResultUtils.success(spaceTagAnalyze);
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}
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/**
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* 获取空间图片大小分析
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*
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* @param spaceSizeAnalyzeRequest
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* @param request
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* @return
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*/
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@PostMapping("/size")
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public BaseResponse<List<SpaceSizeAnalyzeResponse>> getSpaceSizeAnalyze(@RequestBody SpaceSizeAnalyzeRequest spaceSizeAnalyzeRequest,
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HttpServletRequest request) {
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ThrowUtils.throwIf(spaceSizeAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
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User loginUser = userService.getLoginUser(request);
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List<SpaceSizeAnalyzeResponse> resultList = spaceAnalyzeService.getSpaceSizeAnalyze(spaceSizeAnalyzeRequest, loginUser);
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return ResultUtils.success(resultList);
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}
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/**
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* 获取空间用户行为分析
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*
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* @param spaceUserAnalyzeRequest
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* @param request
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* @return
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*/
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@PostMapping("/user")
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public BaseResponse<List<SpaceUserAnalyzeResponse>> getSpaceUserAnalyze(@RequestBody SpaceUserAnalyzeRequest spaceUserAnalyzeRequest,
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HttpServletRequest request) {
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ThrowUtils.throwIf(spaceUserAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
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User loginUser = userService.getLoginUser(request);
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List<SpaceUserAnalyzeResponse> resultList = spaceAnalyzeService.getSpaceUserAnalyze(spaceUserAnalyzeRequest, loginUser);
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return ResultUtils.success(resultList);
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}
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/**
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* 获取空间使用排行分析
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*
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* @param spaceRankAnalyzeRequest
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* @param request
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* @return
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*/
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@PostMapping("/rank")
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public BaseResponse<List<Space>> getSpaceRankAnalyze(@RequestBody SpaceRankAnalyzeRequest spaceRankAnalyzeRequest,
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HttpServletRequest request) {
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ThrowUtils.throwIf(spaceRankAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
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User loginUser = userService.getLoginUser(request);
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List<Space> resultList = spaceAnalyzeService.getSpaceRankAnalyze(spaceRankAnalyzeRequest, loginUser);
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return ResultUtils.success(resultList);
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}
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}
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package edu.whut.smilepicturebackend.model.dto.space.analyze;
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import lombok.Data;
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import java.io.Serializable;
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/**
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* 通用空间分析请求
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* queryAll ->查全空间，仅管理员 ； querypublic:查公共图库，仅管理员； spaceId,仅queryAll和querypublic都false时启用，查私人空间。
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*/
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@Data
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public class SpaceAnalyzeRequest implements Serializable {
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/**
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* 空间 ID
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*/
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private Long spaceId;
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/**
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* 是否查询公共图库
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*/
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private boolean queryPublic;
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/**
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* 全空间分析
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*/
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private boolean queryAll;
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private static final long serialVersionUID = 1L;
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}
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package edu.whut.smilepicturebackend.model.dto.space.analyze;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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/**
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* 空间图片分类分析请求
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*/
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@EqualsAndHashCode(callSuper = true)
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@Data
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public class SpaceCategoryAnalyzeRequest extends SpaceAnalyzeRequest {
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}
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package edu.whut.smilepicturebackend.model.dto.space.analyze;
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import lombok.Data;
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import java.io.Serializable;
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/**
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* 空间使用排行分析请求（仅管理员）
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*/
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@Data
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public class SpaceRankAnalyzeRequest implements Serializable {
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/**
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* 排名前 N 的空间
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*/
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private Integer topN = 10;
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private static final long serialVersionUID = 1L;
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}
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package edu.whut.smilepicturebackend.model.dto.space.analyze;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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/**
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* 空间图片大小分析请求
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*/
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@EqualsAndHashCode(callSuper = true)
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@Data
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public class SpaceSizeAnalyzeRequest extends SpaceAnalyzeRequest {
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}
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package edu.whut.smilepicturebackend.model.dto.space.analyze;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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/**
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* 空间图片标签分析请求
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*/
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@EqualsAndHashCode(callSuper = true)
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@Data
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public class SpaceTagAnalyzeRequest extends SpaceAnalyzeRequest {
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}
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package edu.whut.smilepicturebackend.model.dto.space.analyze;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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/**
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* 空间资源使用分析请求封装类
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*/
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@EqualsAndHashCode(callSuper = true)
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@Data
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public class SpaceUsageAnalyzeRequest extends SpaceAnalyzeRequest {
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}
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package edu.whut.smilepicturebackend.model.dto.space.analyze;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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/**
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* 空间用户上传行为分析请求
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*/
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@EqualsAndHashCode(callSuper = true)
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@Data
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public class SpaceUserAnalyzeRequest extends SpaceAnalyzeRequest {
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/**
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* 用户 ID
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*/
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private Long userId;
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/**
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* 时间维度：day / week / month
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*/
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private String timeDimension;
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}
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package edu.whut.smilepicturebackend.model.vo.space.analyze;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.io.Serializable;
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/**
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* 空间图片分类分析响应
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*/
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class SpaceCategoryAnalyzeResponse implements Serializable {
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/**
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* 图片分类
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*/
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private String category;
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/**
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* 图片数量
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*/
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private Long count;
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/**
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* 分类图片总大小
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*/
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private Long totalSize;
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private static final long serialVersionUID = 1L;
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}
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package edu.whut.smilepicturebackend.model.vo.space.analyze;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.io.Serializable;
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/**
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* 空间图片大小分析响应
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*/
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class SpaceSizeAnalyzeResponse implements Serializable {
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/**
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* 图片大小范围
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*/
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private String sizeRange;
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/**
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* 图片数量
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*/
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private Long count;
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private static final long serialVersionUID = 1L;
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}
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package edu.whut.smilepicturebackend.model.vo.space.analyze;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.io.Serializable;
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/**
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* 空间图片标签分析响应
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*/
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class SpaceTagAnalyzeResponse implements Serializable {
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/**
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* 标签名称
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*/
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private String tag;
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/**
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* 使用次数
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*/
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private Long count;
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private static final long serialVersionUID = 1L;
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}
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package edu.whut.smilepicturebackend.model.vo.space.analyze;
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import lombok.Data;
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import java.io.Serializable;
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/**
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* 空间资源使用分析响应类
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*/
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@Data
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public class SpaceUsageAnalyzeResponse implements Serializable {
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/**
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* 已使用大小
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*/
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private Long usedSize;
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/**
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* 总大小
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*/
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private Long maxSize;
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/**
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* 空间使用比例
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*/
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private Double sizeUsageRatio;
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/**
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* 当前图片数量
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*/
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private Long usedCount;
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/**
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* 最大图片数量
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*/
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private Long maxCount;
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/**
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* 图片数量占比
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*/
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private Double countUsageRatio;
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private static final long serialVersionUID = 1L;
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}
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package edu.whut.smilepicturebackend.model.vo.space.analyze;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.io.Serializable;
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/**
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* 空间用户上传行为分析响应
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*/
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class SpaceUserAnalyzeResponse implements Serializable {
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/**
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* 时间区间
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*/
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private String period;
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/**
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* 上传数量
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*/
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private Long count;
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private static final long serialVersionUID = 1L;
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}
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package edu.whut.smilepicturebackend.service;
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import com.baomidou.mybatisplus.extension.service.IService;
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import edu.whut.smilepicturebackend.model.dto.space.analyze.*;
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import edu.whut.smilepicturebackend.model.entity.Space;
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import edu.whut.smilepicturebackend.model.entity.User;
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import edu.whut.smilepicturebackend.model.vo.analyze.*;
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import edu.whut.smilepicturebackend.model.vo.space.analyze.*;
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import java.util.List;
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/**
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* @author 李鱼皮
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* @createDate 2024-12-18 19:53:34
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*/
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public interface SpaceAnalyzeService extends IService<Space> {
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/**
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* 获取空间使用情况分析
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*
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* @param spaceUsageAnalyzeRequest
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* @param loginUser
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* @return
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*/
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SpaceUsageAnalyzeResponse getSpaceUsageAnalyze(SpaceUsageAnalyzeRequest spaceUsageAnalyzeRequest, User loginUser);
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/**
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* 获取空间图片分类分析
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*
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* @param spaceCategoryAnalyzeRequest
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* @param loginUser
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* @return
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*/
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List<SpaceCategoryAnalyzeResponse> getSpaceCategoryAnalyze(SpaceCategoryAnalyzeRequest spaceCategoryAnalyzeRequest, User loginUser);
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/**
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* 获取空间图片标签分析
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*
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* @param spaceTagAnalyzeRequest
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* @param loginUser
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* @return
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*/
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List<SpaceTagAnalyzeResponse> getSpaceTagAnalyze(SpaceTagAnalyzeRequest spaceTagAnalyzeRequest, User loginUser);
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/**
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* 获取空间图片大小分析
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*
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* @param spaceSizeAnalyzeRequest
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* @param loginUser
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* @return
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*/
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List<SpaceSizeAnalyzeResponse> getSpaceSizeAnalyze(SpaceSizeAnalyzeRequest spaceSizeAnalyzeRequest, User loginUser);
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/**
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* 获取空间用户上传行为分析
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*
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* @param spaceUserAnalyzeRequest
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* @param loginUser
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* @return
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*/
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List<SpaceUserAnalyzeResponse> getSpaceUserAnalyze(SpaceUserAnalyzeRequest spaceUserAnalyzeRequest, User loginUser);
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/**
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* 空间使用排行分析（仅管理员）
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*
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* @param spaceRankAnalyzeRequest
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* @param loginUser
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* @return
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*/
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List<Space> getSpaceRankAnalyze(SpaceRankAnalyzeRequest spaceRankAnalyzeRequest, User loginUser);
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}
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package edu.whut.smilepicturebackend.service.impl;
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import cn.hutool.core.util.NumberUtil;
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import cn.hutool.core.util.ObjUtil;
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import cn.hutool.json.JSONUtil;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import edu.whut.smilepicturebackend.exception.BusinessException;
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import edu.whut.smilepicturebackend.exception.ErrorCode;
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import edu.whut.smilepicturebackend.exception.ThrowUtils;
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import edu.whut.smilepicturebackend.mapper.SpaceMapper;
|
||||
import edu.whut.smilepicturebackend.model.dto.space.analyze.*;
|
||||
import edu.whut.smilepicturebackend.model.entity.Picture;
|
||||
import edu.whut.smilepicturebackend.model.entity.Space;
|
||||
import edu.whut.smilepicturebackend.model.entity.User;
|
||||
import edu.whut.smilepicturebackend.model.vo.analyze.*;
|
||||
import edu.whut.smilepicturebackend.model.vo.space.analyze.*;
|
||||
import edu.whut.smilepicturebackend.service.PictureService;
|
||||
import edu.whut.smilepicturebackend.service.SpaceAnalyzeService;
|
||||
import edu.whut.smilepicturebackend.service.SpaceService;
|
||||
import edu.whut.smilepicturebackend.service.UserService;
|
||||
import lombok.RequiredArgsConstructor;
|
||||
import org.springframework.stereotype.Service;
|
||||
|
||||
import java.util.LinkedHashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
/**
|
||||
* @author 李鱼皮
|
||||
* @createDate 2024-12-18 19:53:34
|
||||
*/
|
||||
@Service
|
||||
@RequiredArgsConstructor
|
||||
public class SpaceAnalyzeServiceImpl extends ServiceImpl<SpaceMapper, Space>
|
||||
implements SpaceAnalyzeService {
|
||||
|
||||
private final UserService userService;
|
||||
|
||||
private final SpaceService spaceService;
|
||||
|
||||
private final PictureService pictureService;
|
||||
|
||||
@Override
|
||||
public SpaceUsageAnalyzeResponse getSpaceUsageAnalyze(SpaceUsageAnalyzeRequest spaceUsageAnalyzeRequest, User loginUser) {
|
||||
// 校验参数
|
||||
// 全空间或公共图库，需要从 Picture 表查询
|
||||
if (spaceUsageAnalyzeRequest.isQueryAll() || spaceUsageAnalyzeRequest.isQueryPublic()) {
|
||||
// 权限校验，仅管理员可以访问
|
||||
checkSpaceAnalyzeAuth(spaceUsageAnalyzeRequest, loginUser);
|
||||
// 统计图库的使用空间
|
||||
QueryWrapper<Picture> queryWrapper = new QueryWrapper<>();
|
||||
queryWrapper.select("pic_size");
|
||||
// 补充查询范围
|
||||
fillAnalyzeQueryWrapper(spaceUsageAnalyzeRequest, queryWrapper);
|
||||
List<Object> pictureObjList = pictureService.getBaseMapper().selectObjs(queryWrapper); //不用pictureService.list()，它会查完整的一条记录，而我们仅需一列
|
||||
long usedSize = 0L;
|
||||
for (Object obj : pictureObjList) {
|
||||
// 记得把 Object 强转成 Long，再拆箱加到累加器里
|
||||
usedSize += (Long) obj;
|
||||
}
|
||||
long usedCount = pictureObjList.size();
|
||||
// 封装返回结果
|
||||
SpaceUsageAnalyzeResponse spaceUsageAnalyzeResponse = new SpaceUsageAnalyzeResponse();
|
||||
spaceUsageAnalyzeResponse.setUsedSize(usedSize);
|
||||
spaceUsageAnalyzeResponse.setUsedCount(usedCount);
|
||||
// 公共图库（或者全部空间）无数量和容量限制、也没有比例
|
||||
spaceUsageAnalyzeResponse.setMaxSize(null);
|
||||
spaceUsageAnalyzeResponse.setSizeUsageRatio(null);
|
||||
spaceUsageAnalyzeResponse.setMaxCount(null);
|
||||
spaceUsageAnalyzeResponse.setCountUsageRatio(null);
|
||||
return spaceUsageAnalyzeResponse;
|
||||
} else {
|
||||
// 特定空间可以直接从 Space 表查询!
|
||||
Long spaceId = spaceUsageAnalyzeRequest.getSpaceId();
|
||||
ThrowUtils.throwIf(spaceId == null || spaceId <= 0, ErrorCode.PARAMS_ERROR);
|
||||
// 获取空间信息
|
||||
Space space = spaceService.getById(spaceId);
|
||||
ThrowUtils.throwIf(space == null, ErrorCode.NOT_FOUND_ERROR, "空间不存在");
|
||||
// 权限校验，仅管理员可以访问
|
||||
checkSpaceAnalyzeAuth(spaceUsageAnalyzeRequest, loginUser);
|
||||
// 封装返回结果
|
||||
SpaceUsageAnalyzeResponse spaceUsageAnalyzeResponse = new SpaceUsageAnalyzeResponse();
|
||||
spaceUsageAnalyzeResponse.setUsedSize(space.getTotalSize());
|
||||
spaceUsageAnalyzeResponse.setUsedCount(space.getTotalCount());
|
||||
spaceUsageAnalyzeResponse.setMaxSize(space.getMaxSize());
|
||||
spaceUsageAnalyzeResponse.setMaxCount(space.getMaxCount());
|
||||
// 计算比例
|
||||
double sizeUsageRatio = NumberUtil.round(space.getTotalSize() * 100.0 / space.getMaxSize(), 2).doubleValue();
|
||||
double countUsageRatio = NumberUtil.round(space.getTotalCount() * 100.0 / space.getMaxCount(), 2).doubleValue();
|
||||
spaceUsageAnalyzeResponse.setSizeUsageRatio(sizeUsageRatio);
|
||||
spaceUsageAnalyzeResponse.setCountUsageRatio(countUsageRatio);
|
||||
return spaceUsageAnalyzeResponse;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<SpaceCategoryAnalyzeResponse> getSpaceCategoryAnalyze(SpaceCategoryAnalyzeRequest spaceCategoryAnalyzeRequest, User loginUser) {
|
||||
ThrowUtils.throwIf(spaceCategoryAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
|
||||
// 检查权限
|
||||
checkSpaceAnalyzeAuth(spaceCategoryAnalyzeRequest, loginUser);
|
||||
|
||||
// 构造查询条件
|
||||
QueryWrapper<Picture> queryWrapper = new QueryWrapper<>();
|
||||
fillAnalyzeQueryWrapper(spaceCategoryAnalyzeRequest, queryWrapper);
|
||||
|
||||
// 使用 MyBatis Plus 分组查询
|
||||
queryWrapper.select("category", "count(*) as count", "sum(pic_size) as total_size")
|
||||
.groupBy("category");
|
||||
|
||||
// 查询并转换结果
|
||||
return pictureService.getBaseMapper().selectMaps(queryWrapper)
|
||||
.stream()
|
||||
.map(result -> {
|
||||
String category = (String) result.get("category");
|
||||
Long count = ((Number) result.get("count")).longValue();
|
||||
Long totalSize = ((Number) result.get("total_size")).longValue();
|
||||
return new SpaceCategoryAnalyzeResponse(category, count, totalSize);
|
||||
})
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<SpaceTagAnalyzeResponse> getSpaceTagAnalyze(SpaceTagAnalyzeRequest spaceTagAnalyzeRequest, User loginUser) {
|
||||
ThrowUtils.throwIf(spaceTagAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
|
||||
// 检查权限
|
||||
checkSpaceAnalyzeAuth(spaceTagAnalyzeRequest, loginUser);
|
||||
|
||||
// 构造查询条件
|
||||
QueryWrapper<Picture> queryWrapper = new QueryWrapper<>();
|
||||
fillAnalyzeQueryWrapper(spaceTagAnalyzeRequest, queryWrapper);
|
||||
// 查询所有符合条件的标签
|
||||
queryWrapper.select("tags");
|
||||
List<String> tagsJsonList = pictureService.getBaseMapper().selectObjs(queryWrapper)
|
||||
.stream()
|
||||
.filter(ObjUtil::isNotNull)
|
||||
.map(Object::toString)
|
||||
.collect(Collectors.toList());
|
||||
|
||||
// 解析标签并统计
|
||||
Map<String, Long> tagCountMap = tagsJsonList.stream()
|
||||
// ["Java", "Python"], ["Java", "PHP"] => "Java", "Python", "Java", "PHP"
|
||||
.flatMap(tagsJson -> JSONUtil.toList(tagsJson, String.class).stream())
|
||||
.collect(Collectors.groupingBy(tag -> tag, Collectors.counting()));
|
||||
|
||||
// 转换为响应对象，按照使用次数进行排序
|
||||
return tagCountMap.entrySet().stream()
|
||||
.sorted((e1, e2) -> Long.compare(e2.getValue(), e1.getValue())) // 降序排序
|
||||
.map(entry -> new SpaceTagAnalyzeResponse(entry.getKey(), entry.getValue()))
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<SpaceSizeAnalyzeResponse> getSpaceSizeAnalyze(SpaceSizeAnalyzeRequest spaceSizeAnalyzeRequest, User loginUser) {
|
||||
ThrowUtils.throwIf(spaceSizeAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
|
||||
// 检查权限
|
||||
checkSpaceAnalyzeAuth(spaceSizeAnalyzeRequest, loginUser);
|
||||
|
||||
// 构造查询条件
|
||||
QueryWrapper<Picture> queryWrapper = new QueryWrapper<>();
|
||||
fillAnalyzeQueryWrapper(spaceSizeAnalyzeRequest, queryWrapper);
|
||||
|
||||
// 查询所有符合条件的图片大小
|
||||
queryWrapper.select("pic_size");
|
||||
// 100、120、1000
|
||||
List<Long> picSizeList = pictureService.getBaseMapper().selectObjs(queryWrapper)
|
||||
.stream()
|
||||
.filter(ObjUtil::isNotNull)
|
||||
.map(size -> (Long) size)
|
||||
.collect(Collectors.toList());
|
||||
|
||||
// 定义分段范围，注意使用有序的 Map
|
||||
Map<String, Long> sizeRanges = new LinkedHashMap<>();
|
||||
sizeRanges.put("<100KB", picSizeList.stream().filter(size -> size < 100 * 1024).count());
|
||||
sizeRanges.put("100KB-500KB", picSizeList.stream().filter(size -> size >= 100 * 1024 && size < 500 * 1024).count());
|
||||
sizeRanges.put("500KB-1MB", picSizeList.stream().filter(size -> size >= 500 * 1024 && size < 1 * 1024 * 1024).count());
|
||||
sizeRanges.put(">1MB", picSizeList.stream().filter(size -> size >= 1 * 1024 * 1024).count());
|
||||
|
||||
// 转换为响应对象
|
||||
return sizeRanges.entrySet().stream()
|
||||
.map(entry -> new SpaceSizeAnalyzeResponse(entry.getKey(), entry.getValue()))
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据前端传来的 时间维度（按天 / 周 / 月）来动态拼出不同的 SQL 聚合字段，然后再按照这个“时间段”字段去分组和排序，最终拿到每个周期（period）里上传的图片数量
|
||||
* @param spaceUserAnalyzeRequest
|
||||
* @param loginUser
|
||||
* @return
|
||||
*/
|
||||
@Override
|
||||
public List<SpaceUserAnalyzeResponse> getSpaceUserAnalyze(SpaceUserAnalyzeRequest spaceUserAnalyzeRequest, User loginUser) {
|
||||
ThrowUtils.throwIf(spaceUserAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
|
||||
// 检查权限
|
||||
checkSpaceAnalyzeAuth(spaceUserAnalyzeRequest, loginUser);
|
||||
|
||||
// 构造查询条件
|
||||
QueryWrapper<Picture> queryWrapper = new QueryWrapper<>();
|
||||
fillAnalyzeQueryWrapper(spaceUserAnalyzeRequest, queryWrapper);
|
||||
// 补充用户 id 查询
|
||||
Long userId = spaceUserAnalyzeRequest.getUserId();
|
||||
queryWrapper.eq(ObjUtil.isNotNull(userId), "user_id", userId);
|
||||
// 补充分析维度：每日、每周、每月
|
||||
/**
|
||||
* eg:
|
||||
* SELECT
|
||||
* DATE_FORMAT(create_time, '%Y-%m') AS period,
|
||||
* COUNT(*) AS count
|
||||
* FROM picture
|
||||
* … （其他 WHERE 条件）
|
||||
* GROUP BY period
|
||||
* ORDER BY period ASC;
|
||||
*/
|
||||
String timeDimension = spaceUserAnalyzeRequest.getTimeDimension();
|
||||
switch (timeDimension) {
|
||||
case "day":
|
||||
queryWrapper.select("DATE_FORMAT(create_time, '%Y-%m-%d') as period", "count(*) as count");
|
||||
break;
|
||||
case "week":
|
||||
queryWrapper.select("YEARWEEK(create_time) as period", "count(*) as count");
|
||||
break;
|
||||
case "month":
|
||||
queryWrapper.select("DATE_FORMAT(create_time, '%Y-%m') as period", "count(*) as count");
|
||||
break;
|
||||
default:
|
||||
throw new BusinessException(ErrorCode.PARAMS_ERROR, "不支持的时间维度");
|
||||
}
|
||||
|
||||
// 分组排序
|
||||
queryWrapper.groupBy("period").orderByAsc("period");
|
||||
|
||||
// 查询并封装结果
|
||||
List<Map<String, Object>> queryResult = pictureService.getBaseMapper().selectMaps(queryWrapper);
|
||||
return queryResult
|
||||
.stream()
|
||||
.map(result -> {
|
||||
String period = result.get("period").toString();
|
||||
Long count = ((Number) result.get("count")).longValue();
|
||||
return new SpaceUserAnalyzeResponse(period, count);
|
||||
})
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Space> getSpaceRankAnalyze(SpaceRankAnalyzeRequest spaceRankAnalyzeRequest, User loginUser) {
|
||||
ThrowUtils.throwIf(spaceRankAnalyzeRequest == null, ErrorCode.PARAMS_ERROR);
|
||||
|
||||
// 检查权限，仅管理员可以查看
|
||||
ThrowUtils.throwIf(!userService.isAdmin(loginUser), ErrorCode.NO_AUTH_ERROR);
|
||||
|
||||
// 构造查询条件
|
||||
QueryWrapper<Space> queryWrapper = new QueryWrapper<>();
|
||||
queryWrapper.select("id", "space_name", "user_id", "total_size")
|
||||
.orderByDesc("total_size")
|
||||
.last("limit " + spaceRankAnalyzeRequest.getTopN()); // 取前 N 名
|
||||
|
||||
// 查询并封装结果
|
||||
return spaceService.list(queryWrapper);
|
||||
}
|
||||
|
||||
/**
|
||||
* 公共方法：校验空间分析权限
|
||||
*
|
||||
* @param spaceAnalyzeRequest
|
||||
* @param loginUser
|
||||
*/
|
||||
private void checkSpaceAnalyzeAuth(SpaceAnalyzeRequest spaceAnalyzeRequest, User loginUser) {
|
||||
boolean queryPublic = spaceAnalyzeRequest.isQueryPublic();
|
||||
boolean queryAll = spaceAnalyzeRequest.isQueryAll();
|
||||
// 全空间分析或者公共图库权限校验：仅管理员可访问
|
||||
if (queryAll || queryPublic) {
|
||||
ThrowUtils.throwIf(!userService.isAdmin(loginUser), ErrorCode.NO_AUTH_ERROR);
|
||||
} else {
|
||||
// 分析特定空间，仅本人或管理员可以访问
|
||||
Long spaceId = spaceAnalyzeRequest.getSpaceId();
|
||||
ThrowUtils.throwIf(spaceId == null, ErrorCode.PARAMS_ERROR);
|
||||
Space space = spaceService.getById(spaceId);
|
||||
ThrowUtils.throwIf(space == null, ErrorCode.NOT_FOUND_ERROR, "空间不存在");
|
||||
spaceService.checkSpaceAuth(loginUser, space);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 公共方法：根据请求对象封装查询条件
|
||||
*
|
||||
* @param spaceAnalyzeRequest
|
||||
* @param queryWrapper
|
||||
*/
|
||||
private void fillAnalyzeQueryWrapper(SpaceAnalyzeRequest spaceAnalyzeRequest, QueryWrapper<Picture> queryWrapper) {
|
||||
// 全空间分析
|
||||
boolean queryAll = spaceAnalyzeRequest.isQueryAll();
|
||||
if (queryAll) {
|
||||
return;
|
||||
}
|
||||
// 公共图库
|
||||
boolean queryPublic = spaceAnalyzeRequest.isQueryPublic();
|
||||
if (queryPublic) {
|
||||
queryWrapper.isNull("space_id");
|
||||
return;
|
||||
}
|
||||
// 分析特定空间
|
||||
Long spaceId = spaceAnalyzeRequest.getSpaceId();
|
||||
if (spaceId != null) {
|
||||
queryWrapper.eq("space_id", spaceId);
|
||||
return;
|
||||
}
|
||||
throw new BusinessException(ErrorCode.PARAMS_ERROR, "未指定查询范围");
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user