package com.dji.sample.media.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.dji.sample.common.model.Pagination;
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import com.dji.sample.common.model.PaginationData;
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import com.dji.sample.component.oss.model.OssConfiguration;
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import com.dji.sample.component.oss.service.impl.OssServiceContext;
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import com.dji.sample.manage.model.dto.DeviceDictionaryDTO;
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import com.dji.sample.manage.service.IDeviceDictionaryService;
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import com.dji.sample.media.dao.IFileMapper;
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import com.dji.sample.media.model.FileUploadDTO;
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import com.dji.sample.media.model.MediaFileDTO;
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import com.dji.sample.media.model.MediaFileEntity;
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import com.dji.sample.media.service.IFileService;
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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 org.springframework.transaction.annotation.Transactional;
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import java.net.URL;
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import java.time.Instant;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Optional;
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import java.util.stream.Collectors;
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/**
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* @author sean
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* @version 0.2
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* @date 2021/12/9
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*/
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@Service
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@Transactional
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public class FileServiceImpl implements IFileService {
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@Autowired
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private IFileMapper mapper;
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@Autowired
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private IDeviceDictionaryService deviceDictionaryService;
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@Autowired
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private OssServiceContext ossService;
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@Autowired
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private OssConfiguration configuration;
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private Optional<MediaFileEntity> getMediaByFingerprint(String workspaceId, String fingerprint) {
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MediaFileEntity fileEntity = mapper.selectOne(new LambdaQueryWrapper<MediaFileEntity>()
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.eq(MediaFileEntity::getWorkspaceId, workspaceId)
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.eq(MediaFileEntity::getFingerprint, fingerprint));
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return Optional.ofNullable(fileEntity);
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}
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@Override
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public Boolean checkExist(String workspaceId, String fingerprint) {
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return this.getMediaByFingerprint(workspaceId, fingerprint).isPresent();
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}
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@Override
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public Integer saveFile(String workspaceId, FileUploadDTO file) {
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MediaFileEntity fileEntity = this.fileUploadConvertToEntity(file);
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fileEntity.setWorkspaceId(workspaceId);
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return mapper.insert(fileEntity);
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}
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@Override
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public List<MediaFileDTO> getAllFilesByWorkspaceId(String workspaceId) {
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return mapper.selectList(new LambdaQueryWrapper<MediaFileEntity>()
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.eq(MediaFileEntity::getWorkspaceId, workspaceId))
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.stream()
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.map(this::entityConvertToDto)
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.collect(Collectors.toList());
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}
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@Override
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public PaginationData<MediaFileDTO> getJobsPaginationByWorkspaceId(String workspaceId, long page, long pageSize) {
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Page<MediaFileEntity> pageData = mapper.selectPage(
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new Page<MediaFileEntity>(page, pageSize),
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new LambdaQueryWrapper<MediaFileEntity>()
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.eq(MediaFileEntity::getWorkspaceId, workspaceId));
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List<MediaFileDTO> records = pageData.getRecords()
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.stream()
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.map(this::entityConvertToDto)
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.collect(Collectors.toList());
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return new PaginationData<MediaFileDTO>(records, new Pagination(pageData));
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}
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@Override
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public URL getObjectUrl(String workspaceId, String fingerprint) {
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Optional<MediaFileEntity> mediaFileOpt = getMediaByFingerprint(workspaceId, fingerprint);
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if (mediaFileOpt.isEmpty()) {
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throw new IllegalArgumentException("{} doesn't exist.");
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}
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return ossService.getObjectUrl(configuration.getBucket(), mediaFileOpt.get().getObjectKey());
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}
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/**
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* Convert the received file object into a database entity object.
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* @param file
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* @return
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*/
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private MediaFileEntity fileUploadConvertToEntity(FileUploadDTO file) {
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MediaFileEntity.MediaFileEntityBuilder builder = MediaFileEntity.builder();
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if (file != null) {
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builder.fileName(file.getName())
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.filePath(file.getPath())
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.fingerprint(file.getFingerprint())
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.objectKey(file.getObjectKey())
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.subFileType(file.getSubFileType())
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.isOriginal(file.getExt().getIsOriginal())
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.jobId(file.getExt().getFlightId())
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.drone(file.getExt().getSn())
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.tinnyFingerprint(file.getExt().getTinnyFingerprint());
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// domain-type-subType
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int[] payloadModel = Arrays.stream(file.getExt().getPayloadModelKey().split("-"))
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.map(Integer::valueOf)
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.mapToInt(Integer::intValue)
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.toArray();
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Optional<DeviceDictionaryDTO> payloadDict = deviceDictionaryService
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.getOneDictionaryInfoByTypeSubType(payloadModel[1], payloadModel[2]);
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payloadDict.ifPresent(payload -> builder.payload(payload.getDeviceName()));
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}
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return builder.build();
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}
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/**
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* Convert database entity objects into file data transfer object.
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* @param entity
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* @return
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*/
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private MediaFileDTO entityConvertToDto(MediaFileEntity entity) {
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MediaFileDTO.MediaFileDTOBuilder builder = MediaFileDTO.builder();
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if (entity != null) {
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builder.fileName(entity.getFileName())
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.filePath(entity.getFilePath())
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.isOriginal(entity.getIsOriginal())
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.fingerprint(entity.getFingerprint())
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.objectKey(entity.getObjectKey())
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.tinnyFingerprint(entity.getTinnyFingerprint())
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.payload(entity.getPayload())
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.createTime(LocalDateTime.ofInstant(
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Instant.ofEpochMilli(entity.getCreateTime()), ZoneId.systemDefault()))
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.drone(entity.getDrone());
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}
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return builder.build();
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}
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}
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