package com.lf.server.service.show;
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import com.lf.server.entity.ctrl.MarkJsonEntity;
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import com.lf.server.entity.data.DownloadEntity;
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import com.lf.server.entity.data.MetaEntity;
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import com.lf.server.entity.show.MarkEntity;
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import com.lf.server.entity.sys.UserEntity;
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import com.lf.server.helper.*;
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import com.lf.server.mapper.show.MarkMapper;
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import com.lf.server.service.data.DownloadService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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/**
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* 标绘
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* @author WWW
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*/
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@Service
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public class MarkService implements MarkMapper {
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@Autowired
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MarkMapper markMapper;
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@Autowired
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PathHelper pathHelper;
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@Autowired
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DownloadService downloadService;
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@Override
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public Integer selectCount(Integer uid) {
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return markMapper.selectCount(uid);
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}
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@Override
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public List<MarkEntity> selectByPage(Integer uid, Integer limit, Integer offset) {
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return markMapper.selectByPage(uid, limit, offset);
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}
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@Override
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public List<MarkEntity> selectAll() {
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return markMapper.selectAll();
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}
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@Override
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public MarkEntity selectById(int id) {
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return markMapper.selectById(id);
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}
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@Override
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public Integer insert(MarkEntity entity) {
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return markMapper.insert(entity);
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}
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@Override
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public Integer inserts(List<MarkEntity> list) {
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return markMapper.inserts(list);
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}
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@Override
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public Integer delete(int id) {
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return markMapper.delete(id);
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}
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@Override
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public Integer deletes(List<Integer> ids) {
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return markMapper.deletes(ids);
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}
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@Override
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public Integer update(MarkEntity entity) {
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return markMapper.update(entity);
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}
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@Override
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public Integer updates(List<MarkEntity> list) {
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return markMapper.updates(list);
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}
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/**
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* 下载ShapeFile文件
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*
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* @param ue 用户实体
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* @param list 标绘JSON实体类集合
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* @param req 请求
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* @param res 响应
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* @return GUID
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* @throws Exception 异常
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*/
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public String downloadShp(UserEntity ue, List<MarkJsonEntity> list, HttpServletRequest req, HttpServletResponse res) throws Exception {
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String parent = pathHelper.getTempPath();
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String path = createShapeFiles(ue, list, parent);
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File[] files = new File(path).listFiles();
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if (files == null || files.length == 0) {
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return null;
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}
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String zip = getZip();
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ZipHelper.zip(zip, parent);
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FileHelper.deleteDir(parent);
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String guid = FileHelper.getFileMd5(zip);
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DownloadEntity entity = downloadService.selectByGuid(guid);
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if (entity != null) {
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return entity.getGuid();
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}
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DownloadEntity de = getDownloadEntity(ue, zip);
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int rows = downloadService.insert(de);
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return rows > 0 ? de.getGuid() : null;
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}
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private String createShapeFiles(UserEntity ue, List<MarkJsonEntity> list, String parent) {
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String path = getShpDir(ue, parent);
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List<MarkJsonEntity> points = getMarkByType(list, "POINT");
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if (points.size() > 0) {
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String pointFile = ShpHelper.createShp(points, path, "POINT");
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}
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List<MarkJsonEntity> lines = getMarkByType(list, "LINESTRING");
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if (lines.size() > 0) {
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String lineFile = ShpHelper.createShp(lines, path, "LINESTRING");
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}
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List<MarkJsonEntity> polygons = getMarkByType(list, "POLYGON");
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if (polygons.size() > 0) {
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String polygonFile = ShpHelper.createShp(polygons, path, "POLYGON");
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}
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return path;
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}
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private String getShpDir(UserEntity ue, String parent) {
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String path = parent + File.separator + WebHelper.getRandomInt(100000, 1000000);
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File file = new File(path);
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if (!file.exists() && !file.isDirectory()) {
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file.mkdirs();
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}
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return path;
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}
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private List<MarkJsonEntity> getMarkByType(List<MarkJsonEntity> list, String type) {
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List<MarkJsonEntity> rs = new ArrayList<MarkJsonEntity>();
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for (MarkJsonEntity mark : list) {
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if (StringHelper.isEmpty(mark.getWkt())) {
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continue;
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}
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if (mark.getWkt().indexOf(type) > -1) {
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rs.add(mark);
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}
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}
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return rs;
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}
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private String getZip() {
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String path = pathHelper.getDownloadFullPath() + File.separator + StringHelper.YMDHMS2_FORMAT.format(new Date()) + ".zip";
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File file = new File(path);
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if (file.exists() && !file.isDirectory()) {
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file.delete();
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}
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return path;
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}
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private DownloadEntity getDownloadEntity(UserEntity ue, String file) throws Exception {
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DownloadEntity de = new DownloadEntity();
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de.setName(FileHelper.getFileName(file));
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de.setType(1);
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de.setSizes(FileHelper.sizeToMb(new File(file).length()));
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de.setDepid(ue.getDepid());
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de.setDcount(0);
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// de.setPwd(null)
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de.setUrl(FileHelper.getRelativePath(file));
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de.setDescr("ShapeFile文件");
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de.setGuid(FileHelper.getFileMd5(file));
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de.setCreateUser(ue.getId());
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// de.setGeom(null)
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return de;
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}
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/**
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* 获取下载文件路径
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*
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* @param de 下载实体类
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* @return 下载文件路径
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*/
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public String getDownloadFilePath(DownloadEntity de) {
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return pathHelper.getConfig().getDownloadPath() + File.separator + de.getUrl();
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}
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/**
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* 读取ShapeFile文件获取Mark实体类
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*
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* @param list ShapeFile文件列表
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* @return Mark实体类集合
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*/
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public List<MarkJsonEntity> readShpForMarks(List<MetaEntity> list) {
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String fileName = null;
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for (MetaEntity mf : list) {
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if (mf.getName().toLowerCase().indexOf(".shp") > -1) {
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fileName = mf.getPath();
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break;
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}
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}
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if (StringHelper.isEmpty(fileName)) {
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return null;
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}
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List<MarkJsonEntity> mjeList = ShpHelper.readShpForMarks(fileName);
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FileHelper.deleteFiles(list);
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return mjeList;
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}
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}
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