商家平台端财务管理

alien-store-platform/src/main/java/shop/alien/storeplatform/controller/PlatformStoreClassController.java

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+package shop.alien.storeplatform.controller;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperationSupport;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import shop.alien.entity.result.R;
+import shop.alien.entity.store.LifeClassManage;
+import shop.alien.storeplatform.service.PlatformClassService;
+
+import java.io.IOException;
+
+@Api(tags = {"平台-财务管理"})
+@Slf4j
+@RestController
+@CrossOrigin
+@RequestMapping("/platformClass")
+@RequiredArgsConstructor
+public class PlatformStoreClassController {
+
+    private final PlatformClassService platformClassService;
+
+    @ApiOperationSupport(order = 1)
+    @GetMapping("/getClassManageList")
+    public R<IPage<LifeClassManage>> getClassManageList(int page, int size, String className, String classTeacher, String classBigType) {
+        log.info("PlatformClassController.getClassManageList?page={}, size={}, className={}, classTeacher={}, classBigType={}", page, size, className, classTeacher, classBigType);
+        return R.data(platformClassService.getClassManageList(page, size, className, classTeacher, classBigType));
+    }
+
+    @ApiOperationSupport(order = 2)
+    @PostMapping("/addOrUpdateClassManage")
+    public R<String> addOrUpdateClassManage(@RequestBody LifeClassManage lifeClassManage) throws IOException, InterruptedException {
+        log.info("PlatformClassController.addOrUpdateClassManage?lifeClassManage={}", lifeClassManage.toString());
+        int num = platformClassService.addOrUpdateClassManage(lifeClassManage);
+        if (0 == num) {
+            return R.fail("新增失败");
+        } else {
+            return R.data("新增成功");
+        }
+    }
+
+    @ApiOperationSupport(order = 3)
+    @GetMapping("/getClassManageById")
+    public R<LifeClassManage> getClassManageById(Integer id) {
+        log.info("PlatformClassController.getClassManageById?id={}", id);
+        return R.data(platformClassService.getClassManageById(id));
+    }
+
+    @ApiOperationSupport(order = 4)
+    @GetMapping("/setClassState")
+    public R<String> setClassState(Integer id, String classState) {
+        log.info("PlatformClassController.setClassState?id={}, classState={}", id, classState);
+        int num = platformClassService.setClassState(id, classState);
+        if (0 == num) {
+            return R.fail("修改失败");
+        } else {
+            return R.data("修改成功");
+        }
+    }
+
+    @ApiOperationSupport(order = 5)
+    @GetMapping("/deleteClassById")
+    public R<String> deleteClassById(Integer id) {
+        log.info("PlatformClassController.deleteClassById?id={}", id);
+        int num = platformClassService.deleteClassById(id);
+        if (0 == num) {
+            return R.fail("修改失败");
+        } else {
+            return R.data("修改成功");
+        }
+    }
+
+    @ApiOperationSupport(order = 6)
+    @GetMapping("/export")
+    public ResponseEntity<byte[]> exportToExcel(String className, String classTeacher, String classBigType) {
+        log.info("StoreInfoController.exportToExcel?className={}, classTeacher={}, classBigType={}", className, classTeacher, classBigType);
+        return platformClassService.exportToExcel(className, classTeacher, classBigType);
+    }
+}

alien-store-platform/src/main/java/shop/alien/storeplatform/service/PlatformClassService.java

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+package shop.alien.storeplatform.service;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import org.springframework.http.ResponseEntity;
+import shop.alien.entity.store.LifeClassManage;
+
+import java.io.IOException;
+
+public interface PlatformClassService {
+
+    IPage<LifeClassManage> getClassManageList(int page, int size, String className, String classTeacher, String classBigType);
+
+    int addOrUpdateClassManage( LifeClassManage lifeClassManage) throws IOException, InterruptedException;
+
+    LifeClassManage getClassManageById(Integer id);
+
+    int setClassState(Integer id, String classState);
+
+    int deleteClassById(Integer id);
+
+    /**
+     * 导出Excel
+     *
+     * @return ResponseEntity
+     */
+    ResponseEntity<byte[]> exportToExcel(String className, String classTeacher, String classBigType);
+}

alien-store-platform/src/main/java/shop/alien/storeplatform/service/impl/PlatformClassServiceImpl.java

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+package shop.alien.storeplatform.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.core.toolkit.StringUtils;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import shop.alien.entity.store.LifeClassManage;
+import shop.alien.entity.store.excelVo.util.ExcelExporter;
+import shop.alien.entity.store.vo.LifeClassManageVo;
+import shop.alien.mapper.LifeClassManageMapper;
+import shop.alien.storeplatform.service.PlatformClassService;
+import shop.alien.storeplatform.util.FileUploadUtil;
+import shop.alien.util.common.VideoDurationFFmpeg;
+import shop.alien.util.common.VideoUtils;
+
+import java.io.IOException;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class PlatformClassServiceImpl implements PlatformClassService {
+
+    private final LifeClassManageMapper lifeClassManageMapper;
+
+    private final FileUploadUtil fileUploadUtil;
+
+    private final VideoUtils videoUtils;
+
+    @Value("${spring.web.resources.static-locations}")
+    private String uploadDir;
+
+    @Value("${spring.web.resources.url}")
+    private String fileUrl;
+
+    /**
+     * 懒得查, 留着导出Excel
+     */
+    List<LifeClassManage> toExcel = new ArrayList<>();
+
+    @Override
+    public IPage<LifeClassManage> getClassManageList(int page, int size, String className, String classTeacher, String classBigType) {
+        LambdaQueryWrapper<LifeClassManage> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.like(StringUtils.isNotEmpty(className), LifeClassManage::getClassName, className);
+        queryWrapper.like(StringUtils.isNotEmpty(classTeacher), LifeClassManage::getClassTeacher, classTeacher);
+        queryWrapper.like(StringUtils.isNotEmpty(classBigType), LifeClassManage::getClassBigType, classBigType);
+        queryWrapper.orderByDesc(LifeClassManage::getCreatedTime);
+        IPage<LifeClassManage> iPageList = lifeClassManageMapper.selectPage(new Page<>(page, size), queryWrapper);
+        List<LifeClassManageVo> newRecords = new ArrayList<>();
+        //处理视频时长
+        for (LifeClassManage record : iPageList.getRecords()) {
+            /*String classLength = record.getClassLength();
+            String s = convertMilliseconds(Long.parseLong(classLength));
+            record.setClassLength(s);*/
+            //处理文件名称
+            //获取视频地址
+            String videoPath = record.getVideoPath();
+            //根据视频地址获取文件名称
+            String fileNameFromUrl = VideoDurationFFmpeg.getFileNameFromUrl(videoPath);
+            record.setFileName(fileNameFromUrl);
+        }
+        toExcel = iPageList.getRecords();
+        return iPageList;
+    }
+
+    @Override
+    public int addOrUpdateClassManage(LifeClassManage lifeClassManage) throws IOException, InterruptedException {
+        //获取视频地址
+        String videoPath = lifeClassManage.getVideoPath();
+        //根据视频地址获取文件名称
+        /*String fileNameFromUrl = VideoDurationFFmpeg.getFileNameFromUrl(videoPath);
+        //获取时长毫秒数
+        long videoDuration = VideoDurationFFmpeg.getVideoDuration(uploadDir + "/video/" + fileNameFromUrl);
+        lifeClassManage.setClassLength(videoDuration + "");*/
+        if (StringUtils.isEmpty(lifeClassManage.getId())) {
+            return lifeClassManageMapper.insert(lifeClassManage);
+        } else {
+            return lifeClassManageMapper.updateById(lifeClassManage);
+        }
+    }
+
+    @Override
+    public LifeClassManage getClassManageById(Integer id) {
+        return lifeClassManageMapper.selectById(id);
+    }
+
+    public int setClassState(Integer id, String classState) {
+        LambdaUpdateWrapper<LifeClassManage> updateWrapper = new LambdaUpdateWrapper<>();
+        updateWrapper.eq(LifeClassManage::getId, id).set(LifeClassManage::getClassState, classState);
+        return lifeClassManageMapper.update(null, updateWrapper);
+    }
+
+    public int deleteClassById(Integer id) {
+        return lifeClassManageMapper.deleteById(id);
+    }
+
+    @Override
+    public ResponseEntity<byte[]> exportToExcel(String className, String classTeacher, String classBigType) {
+        try {
+            LambdaQueryWrapper<LifeClassManage> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.like(StringUtils.isNotEmpty(className), LifeClassManage::getClassName, className);
+            queryWrapper.like(StringUtils.isNotEmpty(classTeacher), LifeClassManage::getClassTeacher, classTeacher);
+            queryWrapper.like(StringUtils.isNotEmpty(classBigType), LifeClassManage::getClassBigType, classBigType);
+            queryWrapper.orderByDesc(LifeClassManage::getCreatedTime);
+            List<LifeClassManage> list = lifeClassManageMapper.selectList(queryWrapper);
+            String[] headers = {"课程名称", "课程时长", "培训老师", "浏览量", "课程类型", "创建时间", "状态"};
+            byte[] excelData = ExcelExporter.exportToExcel(list, headers, "课程列表清单");
+            HttpHeaders responseHeaders = new HttpHeaders();
+            responseHeaders.add("Content-Disposition", "attachment; filename=\"" + URLEncoder.encode("课程列表清单.xlsx") + "\";charset=utf-8");
+            responseHeaders.set("Charset", "UTF-8");
+            return new ResponseEntity<>(excelData, responseHeaders, HttpStatus.OK);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static String convertMilliseconds(long milliseconds) {
+        // 计算小时数
+        long hours = milliseconds / 3600000;
+        // 计算剩余的毫秒数
+        milliseconds %= 3600000;
+        // 计算分钟数
+        long minutes = milliseconds / 60000;
+        // 再次计算剩余的毫秒数
+        milliseconds %= 60000;
+        // 计算秒数
+        long seconds = milliseconds / 1000;
+
+        // 格式化输出
+        return String.format("%02d:%02d:%02d", hours, minutes, seconds);
+    }
+}