package com.dji.sample.media.service.impl;
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import com.dji.sample.common.model.ResponseResult;
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import com.dji.sample.component.mqtt.model.ChannelName;
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import com.dji.sample.component.mqtt.model.CommonTopicReceiver;
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import com.dji.sample.component.mqtt.model.MapKeyConst;
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import com.dji.sample.component.mqtt.service.IMessageSenderService;
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import com.dji.sample.component.redis.RedisConst;
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import com.dji.sample.component.redis.RedisOpsUtils;
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import com.dji.sample.component.websocket.model.BizCodeEnum;
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import com.dji.sample.component.websocket.service.ISendMessageService;
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import com.dji.sample.manage.model.dto.DeviceDTO;
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import com.dji.sample.manage.model.enums.UserTypeEnum;
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import com.dji.sample.manage.service.IDeviceRedisService;
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import com.dji.sample.manage.service.IDeviceService;
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import com.dji.sample.media.model.FileUploadCallback;
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import com.dji.sample.media.model.FileUploadDTO;
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import com.dji.sample.media.model.MediaFileCountDTO;
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import com.dji.sample.media.model.MediaFileDTO;
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import com.dji.sample.media.service.IFileService;
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import com.dji.sample.media.service.IMediaService;
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import com.dji.sample.wayline.model.dto.WaylineJobDTO;
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import com.dji.sample.wayline.service.IWaylineJobService;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.integration.annotation.ServiceActivator;
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import org.springframework.messaging.MessageHeaders;
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import org.springframework.stereotype.Service;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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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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@Slf4j
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public class MediaServiceImpl implements IMediaService {
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@Autowired
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private IFileService fileService;
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@Autowired
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private IWaylineJobService waylineJobService;
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@Autowired
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private ObjectMapper objectMapper;
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@Autowired
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private IMessageSenderService messageSenderService;
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@Autowired
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private IDeviceService deviceService;
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@Autowired
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private ISendMessageService sendMessageService;
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@Autowired
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private IDeviceRedisService deviceRedisService;
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@Override
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public Boolean fastUpload(String workspaceId, String fingerprint) {
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return fileService.checkExist(workspaceId, fingerprint);
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}
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@Override
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public Integer saveMediaFile(String workspaceId, FileUploadDTO file) {
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return fileService.saveFile(workspaceId, file);
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}
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@Override
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public List<String> getAllTinyFingerprintsByWorkspaceId(String workspaceId) {
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return fileService.getAllFilesByWorkspaceId(workspaceId)
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.stream()
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.map(MediaFileDTO::getTinnyFingerprint)
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.collect(Collectors.toList());
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}
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@Override
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public List<String> getExistTinyFingerprints(String workspaceId, List<String> tinyFingerprints) {
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List<String> tinyFingerprintList = this.getAllTinyFingerprintsByWorkspaceId(workspaceId);
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return tinyFingerprints
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.stream()
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.filter(tinyFingerprintList::contains)
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.collect(Collectors.toList());
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}
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/**
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* Handle media files messages reported by dock.
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* @param receiver
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* @return
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*/
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@ServiceActivator(inputChannel = ChannelName.INBOUND_EVENTS_FILE_UPLOAD_CALLBACK, outputChannel = ChannelName.OUTBOUND_EVENTS)
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public CommonTopicReceiver handleFileUploadCallBack(CommonTopicReceiver receiver) {
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FileUploadCallback callback = objectMapper.convertValue(receiver.getData(), FileUploadCallback.class);
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if (callback.getResult() != ResponseResult.CODE_SUCCESS) {
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log.error("Media file upload failed!");
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return null;
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}
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String jobId = callback.getFile().getExt().getFlightId();
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Optional<DeviceDTO> deviceOpt = deviceRedisService.getDeviceOnline(receiver.getGateway());
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MediaFileCountDTO mediaFileCount = (MediaFileCountDTO) RedisOpsUtils.hashGet(RedisConst.MEDIA_FILE_PREFIX + receiver.getGateway(), jobId);
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// duplicate data
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if (deviceOpt.isEmpty()
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|| (Objects.nonNull(mediaFileCount) && receiver.getBid().equals(mediaFileCount.getBid())
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&& receiver.getTid().equals(mediaFileCount.getTid()))) {
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return receiver;
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}
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DeviceDTO device = deviceOpt.get();
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Optional<WaylineJobDTO> jobOpt = waylineJobService.getJobByJobId(device.getWorkspaceId(), jobId);
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if (jobOpt.isPresent()) {
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boolean isSave = parseMediaFile(callback, jobOpt.get());
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if (!isSave) {
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log.error("Failed to save the file to the database, please check the data manually.");
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return null;
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}
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}
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notifyUploadedCount(mediaFileCount, receiver, jobId, device);
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return receiver;
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}
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/**
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* update the uploaded count and notify web side
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* @param mediaFileCount
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* @param receiver
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* @param jobId
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*/
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private void notifyUploadedCount(MediaFileCountDTO mediaFileCount, CommonTopicReceiver receiver, String jobId, DeviceDTO dock) {
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// Do not notify when files that do not belong to the route are uploaded.
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if (Objects.isNull(mediaFileCount)) {
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return;
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}
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mediaFileCount.setBid(receiver.getBid());
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mediaFileCount.setTid(receiver.getTid());
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mediaFileCount.setUploadedCount(mediaFileCount.getUploadedCount() + 1);
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String key = RedisConst.MEDIA_FILE_PREFIX + receiver.getGateway();
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// After all the files of the job are uploaded, delete the media file key.
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if (mediaFileCount.getUploadedCount() >= mediaFileCount.getMediaCount()) {
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RedisOpsUtils.hashDel(key, new String[]{jobId});
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// After uploading, delete the key with the highest priority.
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String highestKey = RedisConst.MEDIA_HIGHEST_PRIORITY_PREFIX + receiver.getGateway();
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if (RedisOpsUtils.checkExist(highestKey) &&
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jobId.equals(((MediaFileCountDTO) RedisOpsUtils.get(highestKey)).getJobId())) {
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RedisOpsUtils.del(highestKey);
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}
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if (RedisOpsUtils.hashLen(key) == 0) {
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RedisOpsUtils.del(key);
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}
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} else {
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RedisOpsUtils.hashSet(key, jobId, mediaFileCount);
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}
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sendMessageService.sendBatch(dock.getWorkspaceId(), UserTypeEnum.WEB.getVal(),
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BizCodeEnum.FILE_UPLOAD_CALLBACK.getCode(), mediaFileCount);
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}
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private Boolean parseMediaFile(FileUploadCallback callback, WaylineJobDTO job) {
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// Set the drone sn that shoots the media
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Optional<DeviceDTO> dockDTO = deviceService.getDeviceBySn(job.getDockSn());
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dockDTO.ifPresent(dock -> callback.getFile().getExt().setSn(dock.getChildDeviceSn()));
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// set path
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String objectKey = callback.getFile().getObjectKey();
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callback.getFile().setPath(objectKey.substring(objectKey.indexOf("/") + 1, objectKey.lastIndexOf("/")));
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return fileService.saveFile(job.getWorkspaceId(), callback.getFile()) > 0;
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}
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/**
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* Handles the highest priority message about media uploads.
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* @param receiver
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* @param headers
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* @return
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*/
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@ServiceActivator(inputChannel = ChannelName.INBOUND_EVENTS_HIGHEST_PRIORITY_UPLOAD_FLIGHT_TASK_MEDIA, outputChannel = ChannelName.OUTBOUND_EVENTS)
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public CommonTopicReceiver handleHighestPriorityUploadFlightTaskMedia(CommonTopicReceiver receiver, MessageHeaders headers) {
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Map map = objectMapper.convertValue(receiver.getData(), Map.class);
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if (map.isEmpty() || !map.containsKey(MapKeyConst.FLIGHT_ID)) {
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return null;
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}
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String dockSn = receiver.getGateway();
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String jobId = map.get(MapKeyConst.FLIGHT_ID).toString();
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String key = RedisConst.MEDIA_HIGHEST_PRIORITY_PREFIX + dockSn;
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MediaFileCountDTO countDTO = new MediaFileCountDTO();
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if (RedisOpsUtils.checkExist(key)) {
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countDTO = (MediaFileCountDTO) RedisOpsUtils.get(key);
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if (jobId.equals(countDTO.getJobId())) {
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RedisOpsUtils.setWithExpire(key, countDTO, RedisConst.DEVICE_ALIVE_SECOND * 5);
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return null;
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}
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countDTO.setPreJobId(countDTO.getJobId());
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}
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countDTO.setJobId(jobId);
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RedisOpsUtils.setWithExpire(key, countDTO, RedisConst.DEVICE_ALIVE_SECOND * 5);
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Optional<DeviceDTO> deviceOpt = deviceRedisService.getDeviceOnline(receiver.getGateway());
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if (deviceOpt.isEmpty()) {
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return null;
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}
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sendMessageService.sendBatch(deviceOpt.get().getWorkspaceId(), UserTypeEnum.WEB.getVal(),
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BizCodeEnum.HIGHEST_PRIORITY_UPLOAD_FLIGHT_TASK_MEDIA.getCode(), countDTO);
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return receiver;
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}
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}
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