133 lines
3.8 KiB
Go
133 lines
3.8 KiB
Go
// asynq_service.go
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package service
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import (
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"encoding/json"
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"qnc-server/app/user/cmd/api/internal/config"
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"qnc-server/app/user/cmd/api/internal/types"
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"time"
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"github.com/hibiken/asynq"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type AsynqService struct {
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client *asynq.Client
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config config.Config
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}
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// NewAsynqService 创建并初始化 Asynq 客户端
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func NewAsynqService(c config.Config) *AsynqService {
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client := asynq.NewClient(asynq.RedisClientOpt{
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Addr: c.CacheRedis[0].Host,
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Password: c.CacheRedis[0].Pass,
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})
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return &AsynqService{client: client, config: c}
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}
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// Close 关闭 Asynq 客户端
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func (s *AsynqService) Close() error {
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return s.client.Close()
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}
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func (s *AsynqService) SendQueryTask(orderID int64) error {
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// 准备任务的 payload
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payload := types.MsgPaySuccessQueryPayload{
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OrderID: orderID,
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}
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payloadBytes, err := json.Marshal(payload)
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if err != nil {
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logx.Errorf("发送异步任务失败 (无法编码 payload): %v, 订单号: %d", err, orderID)
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return err // 直接返回错误，避免继续执行
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}
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options := []asynq.Option{
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asynq.MaxRetry(5), // 设置最大重试次数
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}
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// 创建任务
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task := asynq.NewTask(types.MsgPaySuccessQuery, payloadBytes, options...)
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// 将任务加入队列并获取任务信息
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info, err := s.client.Enqueue(task)
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if err != nil {
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logx.Errorf("发送异步任务失败 (加入队列失败): %+v, 订单号: %d", err, orderID)
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return err
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}
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// 记录成功日志，带上任务 ID 和队列信息
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logx.Infof("发送异步任务成功，任务ID: %s, 队列: %s, 订单号: %d", info.ID, info.Queue, orderID)
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return nil
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}
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// SendCarMaintenanceQueryTaskWithBackoff 发送带有指数退避重试策略的车辆维保记录查询的异步任务
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func (s *AsynqService) SendCarMaintenanceQueryTaskWithBackoff(orderID string, retryCount int, queryID int64) error {
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// 准备任务的 payload
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payload := types.MsgCarMaintenanceQueryPayload{
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OrderID: orderID,
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RetryCount: retryCount + 1, // 增加重试次数
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QueryID: queryID, // 关联的query表记录ID
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}
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payloadBytes, err := json.Marshal(payload)
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if err != nil {
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logx.Errorf("发送重试车辆维保记录查询任务失败 (无法编码 payload): %v, 订单号: %s", err, orderID)
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return err
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}
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// 确定延迟时间
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var delay time.Duration
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if retryCount == 0 {
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// 第一次执行，立即进行
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delay = 0
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} else {
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// 非首次执行，使用指数退避策略
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// 基础延迟为3秒，每次重试后延迟时间翻倍，最长不超过1小时
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baseDelay := 3 * time.Second
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maxDelay := 1 * time.Hour
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delay = baseDelay
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for i := 1; i < retryCount; i++ {
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delay = delay * 2
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if delay > maxDelay {
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delay = maxDelay
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break
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}
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}
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}
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// 保存延迟时间到payload
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payload.DelayDuration = int64(delay)
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payloadBytes, _ = json.Marshal(payload)
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options := []asynq.Option{
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asynq.MaxRetry(0), // 使用我们自己的重试逻辑，不使用asynq的自动重试
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}
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// 如果有延迟，添加延迟选项
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if delay > 0 {
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options = append(options, asynq.ProcessIn(delay))
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}
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// 创建任务
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task := asynq.NewTask(types.MsgCarMaintenanceQuery, payloadBytes, options...)
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// 将任务加入队列并获取任务信息
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info, err := s.client.Enqueue(task)
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if err != nil {
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logx.Errorf("发送重试车辆维保记录查询任务失败 (加入队列失败): %+v, 订单号: %s", err, orderID)
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return err
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}
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// 记录成功日志，带上任务 ID 和队列信息
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if delay == 0 {
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logx.Infof("发送车辆维保记录查询任务成功，立即执行，任务ID: %s, 队列: %s, 订单号: %s, 查询ID: %d",
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info.ID, info.Queue, orderID, queryID)
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} else {
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logx.Infof("发送重试车辆维保记录查询任务成功，任务ID: %s, 队列: %s, 延迟: %v, 重试次数: %d, 订单号: %s, 查询ID: %d",
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info.ID, info.Queue, delay, retryCount+1, orderID, queryID)
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}
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return nil
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}
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