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package org.springblade.mdm.gkw.programnode.service;
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import lombok.AllArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.springblade.core.log.exception.ServiceException;
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import org.springblade.core.mp.base.BizServiceImpl;
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import org.springblade.core.tool.utils.Charsets;
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import org.springblade.core.tool.utils.Func;
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import org.springblade.mdm.basesetting.machine.MachineService;
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import org.springblade.mdm.basesetting.machine.entity.Machine;
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import org.springblade.mdm.gkw.programnode.entity.MachineFile;
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import org.springblade.mdm.gkw.programnode.mapper.MachineFileMapper;
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import org.springblade.mdm.utils.FileContentUtil;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.charset.Charset;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.List;
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/**
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* 机床文件
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*
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* @author yangys
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*/
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@Slf4j
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@Service
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@AllArgsConstructor
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public class MachineFileService extends BizServiceImpl<MachineFileMapper, MachineFile> {
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private final MachineService machineService;
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/**
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* 检测文件是否存在
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* @param name 文件名
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* @param md5 文件md5
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* @param machineCode 所属机床
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* @return 是否存在于库内
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*/
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public boolean fileExists(String name, String md5,String machineCode) {
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return this.lambdaQuery().eq(MachineFile::getName, name).eq(MachineFile::getMd5, md5).eq(MachineFile::getMachineCode, machineCode).count()>0;
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}
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@Transactional(readOnly = true)
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public String getMachineFileContent(Long id) {
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MachineFile machineFile = getById(id);
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Machine machine = machineService.getByCode(machineFile.getMachineCode());
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String filePathStr = getBasePath(machine,machineFile.getDirType())+ File.separator+machineFile.getName();
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String content;
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Path filePath = Paths.get(filePathStr);
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if(!filePath.toFile().exists()){
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return StringUtils.EMPTY;
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}
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try (InputStream inputStream = Files.newInputStream(filePath)) {
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// 使用输入流读取文件内容
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content = FileContentUtil.getContentFromStream(inputStream);
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} catch (IOException e) {
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log.error("读取文件md5失败",e);
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return StringUtils.EMPTY;
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}
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return content;
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}
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/**
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* 获取基本路径
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* @param machine
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* @param dirType
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* @return
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*/
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public static String getBasePath(Machine machine,String dirType){
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String dirPath;
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switch (dirType) {
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case MachineFile.DIR_TYPE_REC:
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dirPath = machine.getProgReceiveDir();
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break;
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case MachineFile.DIR_TYPE_SEND:
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dirPath = machine.getProgSendDir();
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break;
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case MachineFile.DIR_TYPE_TEMP:
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dirPath = machine.getProgTempDir();
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break;
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default:
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log.warn("目录类型不匹配:{}",dirType);
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return null;//不符合任何类型，直接退出
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}
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return dirPath;
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}
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@Transactional
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public void saveFileConent(Long id, String content) throws IOException {
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MachineFile machineFile = getById(id);
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Machine machine = machineService.getByCode(machineFile.getMachineCode());
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String filePathStr = getBasePath(machine,machineFile.getDirType())+ File.separator+machineFile.getName();
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Path filePath = Paths.get(filePathStr);
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String charsetName = "UTF-8";
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try (InputStream inputStream = Files.newInputStream(filePath)) {
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// 使用输入流读取文件内容
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charsetName = FileContentUtil.detectFromInputStream(inputStream);
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} catch (IOException e) {
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log.error("读取文件编码失败",e);
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throw new ServiceException("获取文件编码失败");
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}
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FileUtils.writeStringToFile(filePath.toFile(),content,charsetName);
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}
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}
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