package com.genersoft.iot.vmp.service.impl;
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import com.alibaba.excel.context.AnalysisContext;
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import com.alibaba.excel.event.AnalysisEventListener;
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import com.genersoft.iot.vmp.media.zlm.dto.StreamPushItem;
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import com.genersoft.iot.vmp.service.IStreamPushService;
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import com.genersoft.iot.vmp.utils.DateUtil;
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import com.genersoft.iot.vmp.vmanager.bean.StreamPushExcelDto;
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import com.google.common.collect.BiMap;
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import com.google.common.collect.HashBiMap;
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import org.springframework.util.ObjectUtils;
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import org.springframework.util.StringUtils;
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import java.util.*;
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public class StreamPushUploadFileHandler extends AnalysisEventListener<StreamPushExcelDto> {
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/**
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* 错误数据的回调，用于将错误数据发送给页面
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*/
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private ErrorDataHandler errorDataHandler;
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/**
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* 推流的业务类用于存储数据
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*/
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private IStreamPushService pushService;
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/**
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* 默认流媒体节点ID
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*/
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private String defaultMediaServerId;
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/**
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* 用于存储不加过滤的所有数据
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*/
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private List<StreamPushItem> streamPushItems = new ArrayList<>();
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/**
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* 用于存储更具APP+Stream过滤后的数据，可以直接存入stream_push表与gb_stream表
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*/
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private Map<String,StreamPushItem> streamPushItemForSave = new HashMap<>();
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/**
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* 用于存储按照APP+Stream为KEY， 平台ID+目录Id 为value的数据，用于存储到gb_stream表后获取app+Stream对应的平台与目录信息，然后存入关联表
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*/
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private Map<String, List<String[]>> streamPushItemsForPlatform = new HashMap<>();
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/**
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* 用于判断文件是否存在重复的app+Stream+平台ID
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*/
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private Set<String> streamPushStreamSet = new HashSet<>();
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/**
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* 用于存储APP+Stream->国标ID 的数据结构, 数据一一对应，全局判断APP+Stream->国标ID是否存在不对应
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*/
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private BiMap<String,String> gBMap = HashBiMap.create();
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/**
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* 记录错误的APP+Stream
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*/
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private List<String> errorStreamList = new ArrayList<>();
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/**
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* 记录错误的国标ID
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*/
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private List<String> errorGBList = new ArrayList<>();
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/**
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* 读取数量计数器
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*/
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private int loadedSize = 0;
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public StreamPushUploadFileHandler(IStreamPushService pushService, String defaultMediaServerId, ErrorDataHandler errorDataHandler) {
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this.pushService = pushService;
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this.defaultMediaServerId = defaultMediaServerId;
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this.errorDataHandler = errorDataHandler;
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}
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public interface ErrorDataHandler{
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void handle(List<String> streams, List<String> gbId);
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}
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@Override
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public void invoke(StreamPushExcelDto streamPushExcelDto, AnalysisContext analysisContext) {
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if (ObjectUtils.isEmpty(streamPushExcelDto.getApp())
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|| ObjectUtils.isEmpty(streamPushExcelDto.getStream())
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|| ObjectUtils.isEmpty(streamPushExcelDto.getGbId())) {
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return;
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}
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if (gBMap.get(streamPushExcelDto.getApp() + streamPushExcelDto.getStream()) == null) {
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try {
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gBMap.put(streamPushExcelDto.getApp() + streamPushExcelDto.getStream(), streamPushExcelDto.getGbId());
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}catch (IllegalArgumentException e) {
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errorGBList.add(streamPushExcelDto.getGbId() + "(不同的app+stream使用了相同的国标ID)");
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return;
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}
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}else {
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if (!gBMap.get(streamPushExcelDto.getApp() + streamPushExcelDto.getStream()).equals(streamPushExcelDto.getGbId())) {
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errorGBList.add(streamPushExcelDto.getGbId() + "(同一组app+stream使用了不同的国标ID)");
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return;
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}
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}
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if (streamPushStreamSet.contains(streamPushExcelDto.getApp() + streamPushExcelDto.getStream() + streamPushExcelDto.getPlatformId())) {
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errorStreamList.add(streamPushExcelDto.getApp() + "/" + streamPushExcelDto.getStream()+ "/" +
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streamPushExcelDto.getPlatformId() + "(同一组app+stream添加在了同一个平台下)");
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return;
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}else {
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streamPushStreamSet.add(streamPushExcelDto.getApp()+streamPushExcelDto.getStream() + streamPushExcelDto.getPlatformId());
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}
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StreamPushItem streamPushItem = new StreamPushItem();
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streamPushItem.setApp(streamPushExcelDto.getApp());
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streamPushItem.setStream(streamPushExcelDto.getStream());
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streamPushItem.setGbId(streamPushExcelDto.getGbId());
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streamPushItem.setStatus(streamPushExcelDto.getStatus());
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streamPushItem.setStreamType("push");
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streamPushItem.setCreateTime(DateUtil.getNow());
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streamPushItem.setMediaServerId(defaultMediaServerId);
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streamPushItem.setName(streamPushExcelDto.getName());
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streamPushItem.setOriginType(2);
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streamPushItem.setOriginTypeStr("rtsp_push");
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streamPushItem.setTotalReaderCount("0");
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streamPushItem.setPlatformId(streamPushExcelDto.getPlatformId());
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streamPushItem.setCatalogId(streamPushExcelDto.getCatalogId());
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// 存入所有的通道信息
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streamPushItems.add(streamPushItem);
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streamPushItemForSave.put(streamPushItem.getApp() + streamPushItem.getStream(), streamPushItem);
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if (!ObjectUtils.isEmpty(streamPushExcelDto.getPlatformId())) {
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List<String[]> platformList = streamPushItemsForPlatform.get(streamPushItem.getApp() + streamPushItem.getStream());
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if (platformList == null) {
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platformList = new ArrayList<>();
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streamPushItemsForPlatform.put(streamPushItem.getApp() + streamPushItem.getStream(), platformList);
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}
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String platformId = streamPushExcelDto.getPlatformId();
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String catalogId = streamPushExcelDto.getCatalogId();
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if (ObjectUtils.isEmpty(streamPushExcelDto.getCatalogId())) {
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catalogId = null;
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}
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String[] platFormInfoArray = new String[]{platformId, catalogId};
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platformList.add(platFormInfoArray);
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}
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loadedSize ++;
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if (loadedSize > 1000) {
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saveData();
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streamPushItems.clear();
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streamPushItemForSave.clear();
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streamPushItemsForPlatform.clear();
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loadedSize = 0;
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}
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}
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@Override
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public void doAfterAllAnalysed(AnalysisContext analysisContext) {
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// 这里也要保存数据，确保最后遗留的数据也存储到数据库
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saveData();
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streamPushItems.clear();
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streamPushItemForSave.clear();
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gBMap.clear();
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streamPushStreamSet.clear();
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streamPushItemsForPlatform.clear();
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errorDataHandler.handle(errorStreamList, errorGBList);
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}
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private void saveData(){
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if (streamPushItemForSave.size() > 0) {
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// 向数据库查询是否存在重复的app
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pushService.batchAddForUpload(new ArrayList<>(streamPushItemForSave.values()), streamPushItemsForPlatform);
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}
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}
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}
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