package com.linghu.timeTask;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.linghu.controller.CollectController;
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import com.linghu.model.dto.TaskResultResponse;
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import com.linghu.model.dto.TaskStatusResponse;
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import com.linghu.model.entity.KeywordTask;
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import com.linghu.model.entity.Question;
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import com.linghu.service.KeywordTaskService;
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import com.linghu.service.QuestionService;
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import lombok.extern.slf4j.Slf4j;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Component;
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import org.springframework.web.reactive.function.client.WebClient;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import reactor.core.scheduler.Schedulers;
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import javax.annotation.PostConstruct;
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import java.time.Duration;
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import java.time.format.DateTimeFormatter;
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import java.util.List;
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@Component
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@Slf4j
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public class ScheduledTasks {
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private static final DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("HH:mm:ss");
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@Autowired
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private KeywordTaskService keywordTaskService;
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@Autowired
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private CollectController collectController;
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@Autowired
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private WebClient webClient; // 假设已配置WebClient
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@Autowired
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private QuestionService questionService;
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private volatile boolean isHealthy = true; // 健康状态标识
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private volatile boolean initialCheckComplete = false; // 初始检查完成标志
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private volatile boolean taskEnabled = true; // 任务启用开关
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@PostConstruct
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public void init() {
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// 启动健康检查定时任务，每10分钟执行一次
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checkInitialHealth();
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// 初始健康时，主动启动任务（如果需要应用启动就立即执行任务）
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}
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/**
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* 执行初始健康检查，确保系统启动时任务状态正确
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*/
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private void checkInitialHealth() {
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log.info("执行系统启动初始健康检查...");
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try {
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// 同步执行健康检查，最多等待30秒
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Boolean healthCheckResult = collectController.checkThirdPartyHealth()
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.map(response -> "healthy".equalsIgnoreCase(response.getStatus()))
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.block(Duration.ofSeconds(30));
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isHealthy = Boolean.TRUE.equals(healthCheckResult);
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taskEnabled = isHealthy;
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if (isHealthy) {
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log.info("系统启动时健康检查通过，任务处理将正常执行");
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} else {
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log.warn("系统启动时健康检查失败，任务处理将暂停");
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}
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} catch (Exception e) {
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log.error("初始健康检查失败: {}", e.getMessage());
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isHealthy = false;
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taskEnabled = false;
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} finally {
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initialCheckComplete = true;
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}
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}
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/**
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* 健康检查定时任务，每10分钟执行一次
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*/
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@Scheduled(initialDelay = 600000, fixedRate = 600000) // 10分钟 = 600000毫秒
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public void checkHealth() {
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// 等待初始检查完成
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if (!initialCheckComplete) {
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log.debug("初始健康检查未完成，跳过本次健康检查");
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return;
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}
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log.info("开始执行健康检查...");
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try {
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collectController.checkThirdPartyHealth()
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.map(response -> "healthy".equalsIgnoreCase(response.getStatus()))
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.subscribe(
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healthStatus -> {
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boolean previousHealthStatus = isHealthy;
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isHealthy = healthStatus;
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// 状态变化时更新任务开关
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if (previousHealthStatus != isHealthy) {
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taskEnabled = isHealthy;
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if (isHealthy) {
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log.info("健康检查通过，恢复任务处理");
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} else {
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log.warn("健康检查失败，暂停任务处理");
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}
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} else {
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log.info("健康状态未变化，当前状态: {}", isHealthy ? "健康" : "不健康");
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}
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},
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error -> {
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log.error("健康检查请求失败: {}", error.getMessage());
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if (isHealthy) {
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isHealthy = false;
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taskEnabled = false;
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log.warn("因健康检查请求失败，暂停任务处理");
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}
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}
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);
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} catch (Exception e) {
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log.error("健康检查执行异常: {}", e.getMessage());
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if (isHealthy) {
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isHealthy = false;
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taskEnabled = false;
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}
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}
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}
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/**
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* 任务处理定时任务，每10秒执行一次
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*/
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@Scheduled(initialDelay = 0, fixedRate = 10000) // 10秒 = 10000毫秒
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public void executeTaskProcessing() {
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// 检查初始检查是否完成和任务是否启用
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if (!initialCheckComplete) {
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log.debug("初始检查未完成，跳过本次任务处理");
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return;
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}
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if (!taskEnabled) {
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log.debug("任务已被禁用，跳过本次任务处理");
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return;
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}
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if (!isHealthy) {
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log.debug("系统不健康，跳过任务处理");
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return;
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}
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try {
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// 查询所有状态为pending的任务
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LambdaQueryWrapper<KeywordTask> queryWrapper = new LambdaQueryWrapper<>();
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queryWrapper.eq(KeywordTask::getStatus, "pending");
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List<KeywordTask> tasks = keywordTaskService.list(queryWrapper);
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log.info("查询到 {} 个待处理任务", tasks.size());
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for (KeywordTask task : tasks) {
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if (task.getTask_id() != null) {
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processTaskStatus(task)
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.subscribeOn(Schedulers.boundedElastic())
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.subscribe(
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updatedTask -> log.info("任务状态已更新: {}", updatedTask.getTask_id()),
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error -> log.error("处理任务 {} 时发生错误: {}", task.getTask_id(), error.getMessage())
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);
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}
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}
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} catch (Exception e) {
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log.error("任务处理执行异常: {}", e.getMessage());
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}
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}
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/**
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* 实际的任务处理方法，替代原@Scheduled注解方法
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*/
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// public void executeTaskProcessing() {
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// if (!isHealthy) {
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// log.debug("系统不健康，跳过任务处理");
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// return;
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// }
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//
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// // 查询所有状态为pending的任务
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// LambdaQueryWrapper<KeywordTask> queryWrapper = new LambdaQueryWrapper<>();
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// queryWrapper.eq(KeywordTask::getStatus, "pending");
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//
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// keywordTaskService.list(queryWrapper)
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// .stream()
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// .filter(task -> task.getTask_id() != null)
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// .forEach(task -> processTaskStatus(task)
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// .subscribeOn(Schedulers.boundedElastic())
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// .subscribe(
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// updatedTask -> log.info("任务状态已更新: {}", updatedTask.getTask_id()),
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// error -> log.error("处理任务 {} 时发生错误: {}", task.getTask_id(), error.getMessage())
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// )
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// );
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// }
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private Mono<KeywordTask> processTaskStatus(KeywordTask task) {
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return collectController.getTaskStatus(task.getTask_id())
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.flatMap(statusResponse -> {
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if ("completed".equalsIgnoreCase(statusResponse.getStatus())) {
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log.info("任务 {} 已完成，获取结果", task.getTask_id());
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return collectController.getTaskResult(task.getTask_id())
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.doOnSuccess(result -> log.info("获取任务 {} 结果成功", task.getTask_id()))
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.thenReturn(task)
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.map(t -> {
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t.setStatus("completed");
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return t;
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});
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} else if (!"submitted".equalsIgnoreCase(statusResponse.getStatus())
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&& !"running".equalsIgnoreCase(statusResponse.getStatus())
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&& !"Error".equalsIgnoreCase(statusResponse.getStatus())) {
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task.setStatus("false");
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return Mono.just(task);
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}else if ( "running".equalsIgnoreCase(statusResponse.getStatus())) {
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//更新每个提问词的状态
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return updateQuestionStatus(task, statusResponse); // 抽取为独立方法
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}else if("ERROR".equalsIgnoreCase(statusResponse.getStatus())&&"任务不存在".equalsIgnoreCase(statusResponse.getMessage())){
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task.setStatus("nonentity");
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return Mono.just(task);
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}
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else {
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// 任务仍在进行中，不更新状态
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return Mono.empty();
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}
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})
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.switchIfEmpty(Mono.just(task)) // 如果状态检查返回empty，保持原有任务
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.flatMap(t -> {
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if (!"pending".equalsIgnoreCase(t.getStatus())) {
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// 修改这里：将updateById的结果包装成Mono
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return Mono.fromSupplier(() -> keywordTaskService.updateById(t))
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.thenReturn(t);
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}
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return Mono.just(t);
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})
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.onErrorResume(e -> {
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log.error("处理任务 {} 状态时发生错误: {}", task.getTask_id(), e.getMessage());
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task.setStatus("error");
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// 将updateById的结果包装成Mono
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return Mono.fromSupplier(() -> keywordTaskService.updateById(task))
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.thenReturn(task);
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});
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}
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private Mono<KeywordTask> updateQuestionStatus(KeywordTask task, TaskStatusResponse statusResponse) {
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// 1. 先执行同步查询，获取 List<Question>
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List<Question> questions = questionService.lambdaQuery()
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.eq(Question::getKeyword_id, task.getKeyword_id())
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.list();
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// 2. 将 List 转为 Flux，再进行响应式处理
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return Flux.fromIterable(questions)
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.flatMap(question -> {
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// 更新逻辑...
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String newStatus = statusResponse.getQuestions_status().stream()
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.filter(qs -> qs.getQuestion().equals(question.getQuestion()))
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.findFirst()
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.map(qs -> qs.getStatus())
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.orElse(question.getStatus());
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question.setStatus(newStatus);
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return Mono.fromSupplier(() -> questionService.updateById(question))
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// 此时可以调用 doOnError 处理异常
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.doOnError(e -> log.error("更新 Question {} 失败: {}", question.getQuestion_id(), e.getMessage()))
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.onErrorReturn(false); // 异常时返回 false
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})
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.then(Mono.just(task));
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}
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}
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