oss/oss-media/src/test/java/FileMetaTest.java

import cn.reghao.oss.api.dto.ObjectMeta;
import cn.reghao.oss.sdk.model.dto.media.ImageInfo;
import cn.reghao.oss.store.OssMediaApplication;
import cn.reghao.oss.store.db.mapper.DataBlockMapper;
import cn.reghao.oss.store.db.mapper.FileMetaMapper;
import cn.reghao.oss.store.model.po.DataBlock;
import com.drew.imaging.ImageMetadataReader;
import com.drew.lang.GeoLocation;
import com.drew.metadata.Metadata;
import com.drew.metadata.exif.GpsDirectory;
import com.fasterxml.jackson.databind.deser.std.StringArrayDeserializer;
import lombok.extern.slf4j.Slf4j;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;

import javax.swing.table.TableCellRenderer;
import java.io.File;
import java.util.Collection;
import java.util.List;

/**
 * @author reghao
 * @date 2023-07-16 19:19:12
 */
@Slf4j
@ActiveProfiles("dev")
@SpringBootTest(classes = OssMediaApplication.class)
@RunWith(SpringRunner.class)
public class FileMetaTest {
    @Autowired
    FileMetaMapper fileMetaMapper;

    // 正则表达式查询测试
    public void regexpTest() {
        String bucket = "";
        String prefix = "abc/d/";
        String startAfter = "abc/d/e";
        Integer maxKeys = 10;

        StringBuilder regex = new StringBuilder();
        regex.append("^").append(prefix).append("([^/])+/?$");
        if (startAfter.isBlank()) {
            fileMetaMapper.findAll0(bucket, maxKeys, regex.toString());
        } else {
            fileMetaMapper.findAll2(bucket, prefix, startAfter, maxKeys);
        }
    }

    @Test
    public void fileTest() {
        int pageSize = 10000;
        int nextId = 0;
        String prefix = "image/p/%";
        List<ObjectMeta> list = fileMetaMapper.findByPrefix(prefix, pageSize, nextId);
        while (!list.isEmpty()) {
            list.forEach(this::process);

            nextId = list.get(list.size()-1).getId();
            list = fileMetaMapper.findByPrefix(prefix, pageSize, nextId);
            log.info("nextId -> {}", nextId);
        }
    }

    private void process(ObjectMeta objectMeta) {
        String objectId = objectMeta.getObjectId();
        String absolutePath = objectMeta.getAbsolutePath();
        File file = new File(absolutePath);

        try {
            Metadata metadata = ImageMetadataReader.readMetadata(file);
            Collection<GpsDirectory> gpsDirectories = metadata.getDirectoriesOfType(GpsDirectory.class);
            for(GpsDirectory gps : gpsDirectories) {
                GeoLocation geoLocation = gps.getGeoLocation();
                if (geoLocation != null) {
                    double longitude = geoLocation.getLongitude();
                    double latitude = geoLocation.getLatitude();
                    log.info("{}: ({}, {})", objectId, longitude, latitude);;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Autowired
    DataBlockMapper dataBlockMapper;
    @Test
    public void dataBlockTest() {
        int pageSize = 10000;
        int nextId = 0;
        List<DataBlock> list = dataBlockMapper.findDataBlocks(pageSize, nextId);
        while (!list.isEmpty()) {
            // process DataBlocks

            nextId = list.get(list.size()-1).getId();
            list = dataBlockMapper.findDataBlocks(pageSize, nextId);
            log.info("nextId -> {}", nextId);
        }
    }
}