package com.lf.server.service.show;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.lf.server.entity.data.DownloadEntity;
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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.all.GeomBaseMapper;
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import com.lf.server.mapper.data.DownloadMapper;
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import com.lf.server.service.all.BaseQueryService;
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import com.lf.server.service.data.DownloadService;
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import net.lingala.zip4j.ZipFile;
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import net.lingala.zip4j.model.ZipParameters;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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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 java.io.File;
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import java.util.*;
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/**
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* 资料馆
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* @author WWW
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*/
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@Service
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public class DataLibService {
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@Autowired
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PathHelper pathHelper;
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@Autowired
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DownloadMapper downloadMapper;
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@Autowired
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DownloadService downloadService;
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@Autowired
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BaseQueryService baseQueryService;
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private final static Log log = LogFactory.getLog(DataLibService.class);
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/**
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* 查询DB中溢出的单位ID
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*/
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public List<Integer> selectDbOverflowDep(UserEntity ue, List<String> entities, String wkt) {
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List<Integer> rs = new ArrayList<>();
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for (String enity : entities) {
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try {
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GeomBaseMapper<?> baseMapper = ClassHelper.getGeoBaseMapper(enity);
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if (null == baseMapper) {
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continue;
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}
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QueryWrapper wrapper = new QueryWrapper();
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wrapper.select("depid");
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wrapper.gt("depid", 0);
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wrapper.apply(String.format("depid != ALL(fn_rec_array(%d, 'dep'))", ue.getDepid()));
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wrapper.groupBy("depid");
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Integer srid = baseQueryService.getSrid(baseMapper);
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if (null != srid) {
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wrapper.apply(String.format("ST_Intersects(ST_PolygonFromText('%s', %d), geom)", wkt, srid));
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}
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List<Integer> ids = baseMapper.selectObjs(wrapper);
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addDepIds(rs, ids);
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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}
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}
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return rs;
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}
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/**
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* 添加单位ID
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*/
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private void addDepIds(List<Integer> rs, List<Integer> ids) {
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if (null == ids || ids.isEmpty()) {
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return;
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}
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for (Integer id : ids) {
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if (!rs.contains(id)) {
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rs.add(id);
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}
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}
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}
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/**
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* 创建Zip包
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*/
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public String createZipFile(UserEntity ue, List<String> entities, String wkt, String pwd) throws Exception {
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Map<String, List<?>> map = queryData(entities, wkt);
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if (map.size() == 0) {
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return null;
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}
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String tempName = StringHelper.YMDHMS2_FORMAT.format(new Date());
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String tempPath = pathHelper.getTempPath(tempName);
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// String filePath = "D:\\LF\\temp\\20221219202706\\2022.gdb"
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String filePath = tempPath + File.separator + tempName + ".gdb";
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File file = new File(filePath);
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if (file.exists() && file.isDirectory()) {
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FileHelper.deleteDir(filePath);
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}
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GdbHelper.createGdb(filePath, map);
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String zipName = tempName + ".gdb.zip";
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String zipFile = pathHelper.getDownloadFullPath() + File.separator + zipName;
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ZipFile zip = Zip4jHelper.createZipFile(zipFile, pwd);
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ZipParameters params = Zip4jHelper.getZipParams();
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addZipFiles(zip, params, file.listFiles());
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String dbPwd = Md5Helper.reverse(Md5Helper.generate(pwd));
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DownloadEntity downloadEntity = getDownloadEntity(ue, zipFile, dbPwd);
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int rows = downloadMapper.insert(downloadEntity);
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return rows > 0 ? downloadEntity.getGuid() : null;
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}
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/**
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* 查询数据
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*/
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private Map<String, List<?>> queryData(List<String> entities, String wkt) {
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Map<String, List<?>> map = new HashMap<>(5);
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for (String enity : entities) {
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try {
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GeomBaseMapper<?> baseMapper = ClassHelper.getGeoBaseMapper(enity);
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if (null == baseMapper) {
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continue;
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}
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QueryWrapper wrapper = createWrapper(baseMapper, wkt);
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List<?> list = baseMapper.selectList(wrapper);
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if (null == list || list.size() == 0) {
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continue;
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}
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if (!map.containsKey(enity)) {
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map.put(enity, list);
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}
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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}
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}
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return map;
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}
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/**
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* 创建QueryWrapper
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*/
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private QueryWrapper createWrapper(GeomBaseMapper baseMapper, String wkt) {
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QueryWrapper wrapper = new QueryWrapper();
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wrapper.select("ST_AsText(geom) as geom, *");
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Integer srid = baseQueryService.getSrid(baseMapper);
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if (null != srid) {
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wrapper.apply(String.format("ST_Intersects(ST_PolygonFromText('%s', %d), geom)", wkt, srid));
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}
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return wrapper;
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}
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/**
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* 添加Zip文件
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*/
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private void addZipFiles(ZipFile zip, ZipParameters params, File[] files) {
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if (null == files || files.length == 0) {
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return;
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}
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for (File f : files) {
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try {
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zip.addFile(f, params);
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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}
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}
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}
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/**
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* 获取下载实体类
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*/
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private DownloadEntity getDownloadEntity(UserEntity ue, String file, String pwd) throws Exception {
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DownloadEntity de = new DownloadEntity();
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de.setName(FileHelper.getFileName(file));
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// 1-Shp文件，2-专题图，3-元数据，4-业务数据
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de.setType(4);
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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(pwd);
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de.setUrl(FileHelper.getRelativePath(file));
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de.setDescr("业务数据文件");
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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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