队列一

guyue

1 天以前 53672f15a604c8c960a7e298d2dc1221d4a3c602

 src/main/java/com/linghu/controller/CollectController.java

@@ -27,7 +27,6 @@
import io.jsonwebtoken.lang.Collections;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

import org.springframework.web.bind.annotation.* ;
@@ -35,10 +34,6 @@
import com.linghu.model.dto.TaskResultResponse.QuestionResult;
import com.linghu.model.dto.TaskResultResponse.UserResult;
import reactor.core.scheduler.Schedulers;

import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.Stream;

@RestController
@RequestMapping("/collect")
@@ -71,129 +66,172 @@
    private UserService userService;
    @Autowired
    private OrderService orderService;


 /*   @PostMapping("/search")
    private static final Queue<SearchTaskRequest> taskQueue = new LinkedList<>();
    private static boolean isProcessing = false;
    @PostMapping("/search")
    @ApiOperation(value = "开始采集")
    public Mono<SearchTaskResponse> createSearchTask(
    public Mono<ResponseResult<?>> createSearchTask(
            @RequestBody SearchTaskRequest searchTaskRequest,
            HttpServletRequest request) throws JsonProcessingException {

        return webClient.post()
                .uri(baseUrl + "/api/v1/search")
                .contentType(MediaType.APPLICATION_JSON)
                .bodyValue(searchTaskRequest)
                .retrieve()
                .onStatus(HttpStatus::is4xxClientError, response -> response.bodyToMono(String.class)
                        .flatMap(errorBody -> Mono.error(new RuntimeException(errorBody))))
                .bodyToMono(new ParameterizedTypeReference<SearchTaskResponse>() {
                })
                .flatMap(responseResult -> {
                    // 提取任务ID
                    SearchTaskResponse taskResponse = responseResult;
                    if (taskResponse != null && taskResponse.getTask_id() != null) {
                        // 保存任务ID到关键词
                        LambdaUpdateWrapper<Keyword> updateWrapper = new LambdaUpdateWrapper<>();
                        updateWrapper.eq(Keyword::getKeyword_id, searchTaskRequest.getKeyword_id());
                        updateWrapper.set(Keyword::getStatus,"Submitted");
                        updateWrapper.set(Keyword::getTask_id, taskResponse.getTask_id());
                        keywordService.update(updateWrapper);
        // 首先检查服务器资源
        return getServerResource()
                .flatMap(resourceResponse -> {
                    double cpuUsage = parseUsage(resourceResponse.getCpu_usage_percent());
                    double memoryUsage = parseUsage(resourceResponse.getMemory_usage_percent());

                        // 可选：更新响应中的其他信息
                    if (cpuUsage >= 90.0 || memoryUsage >= 90.0) {


                            String errorMsg = String.format("服务器资源不足,请稍后再试");

                        log.warn(errorMsg);
                        return Mono.just(ResponseResult.error(503, errorMsg));
                    }
                    return Mono.just(taskResponse);

                    // 将新的任务请求加入队列
                    taskQueue.add(searchTaskRequest);

                    // 如果当前没有任务在处理中，则启动任务队列的处理
                    if (!isProcessing) {
                        processNextTaskInQueue();
                    }

                    // 返回响应，通知用户任务已开始
                    return Mono.just(ResponseResult.success("任务已加入队列，正在处理..."));
                })
                .onErrorResume(e -> {
                    // return Mono.just(ResponseResult.error("调用失败: " + e.getMessage()));
                    SearchTaskResponse task = new SearchTaskResponse();
                    task.setMessage("调用失败: " + e.getMessage());
                    return Mono.just(task);
                    log.error("检查服务器资源失败: {}", e.getMessage(), e);
                    return Mono.just(ResponseResult.error("检查服务器资源失败: " + e.getMessage()));
                });
    }*/
    }

//    public SearchTaskController(WebClient.Builder webClientBuilder, KeywordService keywordService) {
//        this.webClient = webClientBuilder.build();
//        this.keywordService = keywordService;
//    }
    private void processNextTaskInQueue() {
        // 设置为正在处理
        isProcessing = true;

   /* @PostMapping("/search")
    @ApiOperation(value = "开始采集")
    public Mono<SearchTaskResponse> createSearchTask(
            @RequestBody SearchTaskRequest searchTaskRequest,
            HttpServletRequest request) throws JsonProcessingException {
        // 从队列中取出下一个任务
        SearchTaskRequest nextTaskRequest = taskQueue.poll();

        if (nextTaskRequest != null) {
            // 处理任务
            executeBatchTask(nextTaskRequest)
                    .doFinally(signal -> {
                        // 完成后，继续处理下一个任务
                        isProcessing = false;
                        if (!taskQueue.isEmpty()) {
                            processNextTaskInQueue();  // 继续处理队列中的下一个任务
                        }
                    })
                    .subscribe();
        }
    }

    private Mono<ResponseResult<String>> executeBatchTask(SearchTaskRequest searchTaskRequest) {
        log.info("开始处理任务：{}", searchTaskRequest);
        log.info("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
        Integer keywordId = searchTaskRequest.getKeyword_id();
        int maxConcurrentUsers = searchTaskRequest.getConfig() != null ?
                searchTaskRequest.getConfig().getMax_concurrent_users() : 3;
        List<List<UserDto>> userBatches = splitUsersIntoBatches(searchTaskRequest.getUsers(), maxConcurrentUsers);
        List<List<UserDto>> userBatches = splitUsersIntoBatches(searchTaskRequest.getUsers(), maxConcurrentUsers, keywordId);

        return processBatchesSequentially(userBatches, searchTaskRequest)
                .onErrorResume(e -> {
                    SearchTaskResponse task = new SearchTaskResponse();
                    task.setMessage("调用失败: " + e.getMessage());
                    return Mono.just(task);
        Queue<List<UserDto>> batchQueue = new LinkedList<>(userBatches); // 用队列存储批次

        return Mono.just(ResponseResult.success("第一个批次已开始"))
                .doOnTerminate(() -> {
                    // 启动后台任务，继续处理批次
                    executeBatchTask(batchQueue, searchTaskRequest, keywordId)
                            .subscribe();  // 使用subscribe()启动后台任务
                });
    }

    private List<List<UserDto>> splitUsersIntoBatches(List<UserDto> users, int batchSize) {
        List<List<UserDto>> batches = new ArrayList<>();
        for (int i = 0; i < users.size(); i += batchSize) {
            batches.add(users.subList(i, Math.min(i + batchSize, users.size())));
        }
        return batches;
    private Mono<ResponseResult<?>> executeBatchTask(Queue<List<UserDto>> batchQueue, SearchTaskRequest searchTaskRequest, Integer keywordId) {
        // 如果队列为空，说明所有批次已经完成
        if (batchQueue.isEmpty()) {
            return Mono.just(ResponseResult.success("所有批次已完成"));
    }

    private Mono<SearchTaskResponse> processBatchesSequentially(List<List<UserDto>> userBatches, SearchTaskRequest originalRequest) {
        Mono<SearchTaskResponse> resultMono = Mono.empty();
        for (List<UserDto> batch : userBatches) {
        List<UserDto> currentBatch = batchQueue.poll(); // 从队列中获取当前批次
            SearchTaskRequest batchRequest = new SearchTaskRequest();
            batchRequest.setUsers(batch);
            batchRequest.setQuestions(originalRequest.getQuestions());
            batchRequest.setConfig(originalRequest.getConfig());
            batchRequest.setSave_to_database(originalRequest.getSave_to_database());
            batchRequest.setWebhook_url(originalRequest.getWebhook_url());
            batchRequest.setKeyword_id(originalRequest.getKeyword_id());
        batchRequest.setUsers(currentBatch);
        batchRequest.setQuestions(searchTaskRequest.getQuestions());
        batchRequest.setConfig(searchTaskRequest.getConfig());
        batchRequest.setSave_to_database(searchTaskRequest.getSave_to_database());
        batchRequest.setWebhook_url(searchTaskRequest.getWebhook_url());
        batchRequest.setKeyword_id(keywordId);

            resultMono = resultMono.then(createSingleBatchTask(batchRequest));
        }
        return resultMono;
    }

    private Mono<SearchTaskResponse> createSingleBatchTask(SearchTaskRequest batchRequest) {
        return webClient.post()
                .uri(baseUrl + "/api/v1/search")
                .contentType(MediaType.APPLICATION_JSON)
                .bodyValue(batchRequest)
                .retrieve()
                .onStatus(HttpStatus::is4xxClientError, response -> response.bodyToMono(String.class)
                        .flatMap(errorBody -> Mono.error(new RuntimeException(errorBody))))
                .bodyToMono(new ParameterizedTypeReference<SearchTaskResponse>() {
                })
                .flatMap(responseResult -> {
                    SearchTaskResponse taskResponse = responseResult;
        return createSingleBatchTask(batchRequest)
                .flatMap(taskResponse -> {
                    if (taskResponse != null && taskResponse.getTask_id() != null) {
                        LambdaUpdateWrapper<Keyword> updateWrapper = new LambdaUpdateWrapper<>();
                        updateWrapper.eq(Keyword::getKeyword_id, batchRequest.getKeyword_id());
                        updateWrapper.set(Keyword::getStatus, "Submitted");
                        updateWrapper.set(Keyword::getTask_id, taskResponse.getTask_id());
                        keywordService.update(updateWrapper);
                        // 保存任务关联到数据库
                        return saveKeywordTasks(keywordId, taskResponse)
                                .then(waitForTaskCompletion(taskResponse.getTask_id(), batchQueue, searchTaskRequest, keywordId));
                    } else {
                        return Mono.just(ResponseResult.error("创建批次任务失败"));
                    }
                    return waitForTaskCompletion(taskResponse.getTask_id())
                            .then(Mono.just(taskResponse));
                });
    }

    private Mono<Void> waitForTaskCompletion(String taskId) {
        return Flux.interval(Duration.ofSeconds(5)) // 每5秒执行一次
                .flatMap(tick -> webClient.get()
    private Mono<Void> saveKeywordTasks(Integer keywordId, SearchTaskResponse taskResponse) {
        if (taskResponse == null || taskResponse.getTask_id() == null) {
            return Mono.error(new RuntimeException("任务响应无效或任务ID为空"));
        }

        KeywordTask keywordTask = new KeywordTask();
        keywordTask.setKeyword_id(keywordId);
        keywordTask.setTask_id(taskResponse.getTask_id());
        keywordTask.setStatus("pending");

        // 将 MyBatis-Plus 的同步方法包装为 Mono<Void>
        return Mono.fromRunnable(() -> {
                    boolean success = keywordTaskService.saveOrUpdate(keywordTask);
                    if (!success) {
                        throw new RuntimeException("保存关键词任务关联失败");
                    }
                })
                .doFinally(signalType -> log.info("成功保存关键词任务关联: Task ID {}", taskResponse.getTask_id()))
                .then();
    }
    private Mono<ResponseResult<?>> waitForTaskCompletion(String taskId, Queue<List<UserDto>> batchQueue, SearchTaskRequest searchTaskRequest, Integer keywordId) {
        // 查询任务状态
        return getTaskStatus(taskId)
                .flatMap(statusResponse -> {
                    // 如果任务状态是"submitted"或"running"，继续轮询
                    if ("submitted".equalsIgnoreCase(statusResponse.getStatus()) || "running".equalsIgnoreCase(statusResponse.getStatus())) {
                        return Mono.delay(Duration.ofSeconds(5))  // 延迟 5 秒后再次查询
                                .flatMap(aLong -> waitForTaskCompletion(taskId, batchQueue, searchTaskRequest, keywordId));  // 递归调用继续等待
                    } else {
                        // 如果状态为其他状态，则继续处理下一个批次
                        return executeBatchTask(batchQueue, searchTaskRequest, keywordId);
                    }
                })
                .onErrorResume(e -> {
                    // 处理查询任务状态时的错误
                    return Mono.just(ResponseResult.error("查询任务状态失败: " + e.getMessage()));
                });
    }
    @ApiOperation(value = "查询任务状态")
    @GetMapping("/status")
    public Mono<TaskStatusResponse> getTaskStatus(String taskId) {
        return webClient.get()
                        .uri(baseUrl + "/api/v1/tasks/" + taskId)
                .accept(MediaType.APPLICATION_JSON)
                        .retrieve()
                .onStatus(HttpStatus::isError, response -> response.bodyToMono(TaskStatusResponse.class)
                        .flatMap(errorBody -> Mono.error(new RuntimeException(errorBody.getDetail()))))
                        .bodyToMono(TaskStatusResponse.class)
                )
                .filter(response -> "completed".equals(response.getStatus()))
                .next() // 找到第一个完成的响应后结束流
                .then(); // 转换为Mono<Void>
    }*/
                .onErrorResume(e -> {
                    // 处理错误，创建一个自定义的错误响应对象
                    TaskStatusResponse errorResponse = new TaskStatusResponse();
                    errorResponse.setStatus("ERROR");
                    errorResponse.setMessage(e.getMessage());
                    errorResponse.setDetail(e.getMessage());
                    return Mono.just(errorResponse);
                });
    }



   // 添加一个辅助方法来安全地将字符串转换为double
   private double parseUsage(String usageStr) {
       try {
@@ -208,7 +246,7 @@
           return 0.0;
       }
   }
   @PostMapping("/search")
   /*@PostMapping("/search")
   @ApiOperation(value = "开始采集")
   public Mono<ResponseResult<?>> createSearchTask(
           @RequestBody SearchTaskRequest searchTaskRequest,
@@ -261,32 +299,32 @@
                   log.error("检查服务器资源失败: {}", e.getMessage(), e);
                   return Mono.just(ResponseResult.error("检查服务器资源失败: " + e.getMessage()));
               });
   }
   }*/

    private Mono<Void> saveKeywordTasks(Integer keywordId, List<SearchTaskResponse> taskResponses) {
        List<KeywordTask> keywordTasks = taskResponses.stream()
                .filter(response -> response.getTask_id() != null)
                .map(response -> {
                    KeywordTask keywordTask = new KeywordTask();
                    keywordTask.setKeyword_id(keywordId);
                    keywordTask.setTask_id(response.getTask_id());
                    keywordTask.setStatus("pending");
                    return keywordTask;
                })
                .collect(Collectors.toList());

        // 将 MyBatis-Plus 的同步方法包装为 Mono<Void>
        return Mono.fromRunnable(() -> {
                    boolean success = keywordTaskService.saveOrUpdateBatch(keywordTasks);
                    if (!success) {
//                        throw new RuntimeException("保存关键词任务关联失败");
                        // 添加异常处理
                        Mono.error( new RuntimeException("保存关键词任务关联失败"));
                    }
                })
                .doFinally(signalType -> log.info("成功保存 {} 个关键词任务关联", keywordTasks.size()))
                .then();
    }
//    private Mono<Void> saveKeywordTasks(Integer keywordId, List<SearchTaskResponse> taskResponses) {
//        List<KeywordTask> keywordTasks = taskResponses.stream()
//                .filter(response -> response.getTask_id() != null)
//                .map(response -> {
//                    KeywordTask keywordTask = new KeywordTask();
//                    keywordTask.setKeyword_id(keywordId);
//                    keywordTask.setTask_id(response.getTask_id());
//                    keywordTask.setStatus("pending");
//                    return keywordTask;
//                })
//                .collect(Collectors.toList());
//
//        // 将 MyBatis-Plus 的同步方法包装为 Mono<Void>
//        return Mono.fromRunnable(() -> {
//                    boolean success = keywordTaskService.saveOrUpdateBatch(keywordTasks);
//                    if (!success) {
////                        throw new RuntimeException("保存关键词任务关联失败");
//                        // 添加异常处理
//                        Mono.error( new RuntimeException("保存关键词任务关联失败"));
//                    }
//                })
//                .doFinally(signalType -> log.info("成功保存 {} 个关键词任务关联", keywordTasks.size()))
//                .then();
//    }

    private List<List<UserDto>> splitUsersIntoBatches(List<UserDto> users, int batchSize,Integer keywordId) {

@@ -342,46 +380,46 @@
    }

    // 移除原来的waitForTaskCompletion方法，不再需要同步等待
    @ApiOperation(value = "查询任务状态")
    @GetMapping("/status")
    public Mono<TaskStatusResponse> getTaskStatus(String taskId) {
        return webClient.get()
                .uri(baseUrl + "/api/v1/tasks/" + taskId)
                .accept(MediaType.APPLICATION_JSON)
                .retrieve()
                .onStatus(HttpStatus::isError, response -> response.bodyToMono(TaskStatusResponse.class)
                        .flatMap(errorBody -> Mono.error(new RuntimeException(errorBody.getDetail()))))
                .bodyToMono(TaskStatusResponse.class)
                .flatMap(result -> {
                    TaskStatusResponse taskStatusResponse = result;
                    if (taskStatusResponse != null && taskStatusResponse.getStatus() != null) {
                        List<Question> updateQuestions = taskStatusResponse.getQuestions_status().stream()
                                .map(qs -> {
                                    Question question = new Question();
                                    question.setQuestion_id(qs.getQuestion_id());
                                    question.setStatus(qs.getStatus());
                                    return question;
                                }).collect(Collectors.toList());

                        // 包装成响应式操作
                        return Mono.fromCallable(() -> {
                            questionService.updateBatchById(updateQuestions);
                            return result;
                        });

                    }
                    return Mono.just(result);
                })
                .onErrorResume(e -> {
                    // 创建一个自定义的错误响应对象
                    TaskStatusResponse errorResponse = new TaskStatusResponse();
                    errorResponse.setStatus("ERROR");
                    errorResponse.setMessage(e.getMessage());
                    errorResponse.setDetail(e.getMessage());

                    return Mono.just(errorResponse);
                });
    }
//    @ApiOperation(value = "查询任务状态")
//    @GetMapping("/status")
//    public Mono<TaskStatusResponse> getTaskStatus(String taskId) {
//        return webClient.get()
//                .uri(baseUrl + "/api/v1/tasks/" + taskId)
//                .accept(MediaType.APPLICATION_JSON)
//                .retrieve()
//                .onStatus(HttpStatus::isError, response -> response.bodyToMono(TaskStatusResponse.class)
//                        .flatMap(errorBody -> Mono.error(new RuntimeException(errorBody.getDetail()))))
//                .bodyToMono(TaskStatusResponse.class)
//                .flatMap(result -> {
//                    TaskStatusResponse taskStatusResponse = result;
//                    if (taskStatusResponse != null && taskStatusResponse.getStatus() != null) {
//                        List<Question> updateQuestions = taskStatusResponse.getQuestions_status().stream()
//                                .map(qs -> {
//                                    Question question = new Question();
//                                    question.setQuestion_id(qs.getQuestion_id());
//                                    question.setStatus(qs.getStatus());
//                                    return question;
//                                }).collect(Collectors.toList());
//
//                        // 包装成响应式操作
//                        return Mono.fromCallable(() -> {
//                            questionService.updateBatchById(updateQuestions);
//                            return result;
//                        });
//
//                    }
//                    return Mono.just(result);
//                })
//                .onErrorResume(e -> {
//                    // 创建一个自定义的错误响应对象
//                    TaskStatusResponse errorResponse = new TaskStatusResponse();
//                    errorResponse.setStatus("ERROR");
//                    errorResponse.setMessage(e.getMessage());
//                    errorResponse.setDetail(e.getMessage());
//
//                    return Mono.just(errorResponse);
//                });
//    }

    @PostMapping("/cancel/{taskId}")
    @ApiOperation(value = "取消任务")