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解耦任务框架与业务任务
This commit is contained in:
@@ -12,10 +12,11 @@ description: "项目专用:当新增或修改 Asynq 异步任务、后台任
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新增或修改任务前,先快速查看这些文件,确认当前实现没有漂移:
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- `internal/task/handler.go`: `TaskHandler`、`TaskResult`、可选 `PayloadValidator`。
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- `internal/task/constants.go`: Asynq 任务类型常量、Admin 任务类型常量、`TaskMeta`、`TaskParam`、`DispatchableTasks`。
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- `internal/task/constants.go`: 框架通用常量,如 `QueueDefault` 和 `DefaultMaxRetry`。
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- `internal/task/meta.go`: 框架任务元数据结构体(TaskParam、TaskMeta)及全局动态注册与查询接口。
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- `internal/task/executor.go`: `RegisterHandler`、`ValidateAndNormalizePayload`、`DispatchTask`、`RetryTask`、`ProcessTask`、`AppendLog`。
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- `internal/task/handlers/register.go`: 内置 handler 的统一注册点,Admin API 和 Worker 都依赖它。
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- `internal/task/worker/worker.go`: Asynq mux 路由和队列配置。
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- `internal/task/handlers/register.go`: 内置 handler 和元数据的统一注册点,Admin API 和 Worker 都依赖它。
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- `internal/task/worker/worker.go`: Asynq mux 动态路由分发和队列配置。
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- `internal/task/scheduler/scheduler.go`: Cron 调度。
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- `internal/apps/admin/task/routers.go`: Admin 下发、查询、详情、重试 API。
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- 现有参考:`internal/apps/upload/tasks.go`(无参数任务)、`internal/apps/user/tasks.go`(带参数任务)。
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@@ -34,10 +35,9 @@ Admin dispatch -> ValidateAndNormalizePayload -> DispatchTask
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> 需要可复制的代码模板时,阅读 [references/CODE-EXAMPLES.md](references/CODE-EXAMPLES.md)。那里包含任务常量、无参数 handler、带参数 `PayloadValidator`、统一注册、Worker 路由、Cron 配置和测试示例。
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1. 定义任务元数据。
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- 在 `internal/task/constants.go` 添加 Asynq task type 常量,例如 `upload:cleanup_unused`。
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- 添加 Admin 可下发 task type 常量,例如 `cleanup_unused_uploads`。
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- 在 `DispatchableTasks` 添加 `TaskMeta`,设置 `AsynqTask`、`Name`、`Description`、`MaxRetry`、`Queue`、`Retryable`。
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1. 定义任务元数据与常量。
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- 业务包常量与元数据:在对应业务模块的 `internal/apps/<module>/tasks.go` 中定义 Asynq 任务类型常量(如 `CleanupUnusedUploadsTask = "upload:cleanup_unused"`)和 Admin 任务类型常量(如 `TaskTypeCleanupUploads = "cleanup_unused_uploads"`)。
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- 在同一 `tasks.go` 文件中定义该任务的 `TaskMeta` 元数据变量(如 `CleanupUnusedUploadsMeta = task.TaskMeta{...}`),配置 `Type`、`AsynqTask`、`Name`、`Description`、`MaxRetry`、`Queue`、`Retryable` 等字段。
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- 有参数任务在 `Params` 中描述前端表单字段。`TaskParam.Name` 必须与 payload JSON tag 对齐。
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2. 实现 handler。
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@@ -48,19 +48,16 @@ Admin dispatch -> ValidateAndNormalizePayload -> DispatchTask
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- 不要在 handler 中写复杂 SQL;复杂查询放到 `internal/model/` 或 `internal/service/`。
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- 新增 Go 文件后检查 license header;必要时运行 `make license`。
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3. 统一注册 handler。
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- 在 `internal/task/handlers/register.go` 导入业务模块并调用 `task.RegisterHandler(asynqTaskType, handler)`。
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- 这里是 Admin payload 校验和 Worker 执行共同依赖的注册点。不要只在 worker 包里注册。
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3. 统一注册 handler 与元数据。
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- 在 `internal/task/handlers/register.go` 导入业务模块,调用 `task.RegisterHandler(asynqTaskType, handler)` 注册处理器。
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- 同时,在该文件中调用 `task.RegisterTaskMeta(meta)` 注册刚才在业务模块中定义的任务元数据。
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- 这里是 Admin 校验、元数据获取和 Worker 执行共同依赖的注册点。
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4. 注册 Worker 路由。
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- 在 `internal/task/worker/worker.go` 的 Asynq mux 中添加 `mux.HandleFunc(task.YourAsynqTask, task.ProcessTask)`。
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- 所有业务任务都应交给 `task.ProcessTask`,由 executor 根据 task type 分发到 handler。
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5. 如需 Cron 调度,系统默认定时任务必须通过 SQL 迁移(goose)初始化。
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- 确保任务在 `DispatchableTasks` 中已正确配置 `TaskMeta`。
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4. 如需 Cron 调度,系统默认定时任务必须通过 SQL 迁移(goose)初始化。
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- 确保任务已正确注册并载入全局元数据池中。
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- 在 `internal/db/migrator/goose/postgres` 和 `sqlite` 下编写 migration 脚本,使用 `INSERT INTO schedules` 语句初始化任务,指定 `task_type` 和 `cron` 等字段。必须妥善处理冲突(如 `ON CONFLICT DO NOTHING`)以支持幂等。
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6. 如改动 Admin API。
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5. 如改动 Admin API。
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- handler 放在 `internal/apps/admin/<module>/` 或现有 Admin task 模块内。
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- 路由只在 `internal/router/router.go` 注册。
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- 响应保持 `{ "error_msg": "", "data": ... }`,分页保持 `{ "total": 0, "results": [] }`。
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@@ -2,28 +2,33 @@
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这些示例用于新增或修改 Wavelet Asynq 任务时快速套用。复制前先对照当前代码,因为任务框架可能随项目演进。
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## 任务元数据
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## 任务元数据与常量定义
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在 `internal/task/constants.go` 添加 Asynq task type、Admin task type 和 `TaskMeta`。
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在对应的业务包 `internal/apps/<module>/tasks.go` 中定义 Asynq task type、Admin task type 和 `TaskMeta`。
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```go
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package upload
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import (
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"github.com/Rain-kl/Wavelet/internal/task"
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)
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// 异步任务类型标识。格式建议为 "{module}:{action}"。
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const CleanupUnusedUploadsTask = "upload:cleanup_unused"
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// 管理员可下发的任务类型标识。用于 Admin API 的 task_type。
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const TaskTypeCleanupUploads = "cleanup_unused_uploads"
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var DispatchableTasks = []TaskMeta{
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{
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Type: TaskTypeCleanupUploads,
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AsynqTask: CleanupUnusedUploadsTask,
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Name: "清理未使用上传",
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Description: "清理超过1小时未使用的上传文件",
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SupportsTime: false,
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MaxRetry: defaultMaxRetry,
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Queue: QueueDefault,
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Retryable: true,
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},
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// CleanupUnusedUploadsMeta 任务元数据
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var CleanupUnusedUploadsMeta = task.TaskMeta{
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Type: TaskTypeCleanupUploads,
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AsynqTask: CleanupUnusedUploadsTask,
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Name: "清理未使用上传",
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Description: "清理超过1小时未使用的上传文件",
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SupportsTime: false,
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MaxRetry: task.DefaultMaxRetry,
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Queue: task.QueueDefault,
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Retryable: true,
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}
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```
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@@ -175,28 +180,6 @@ func Register() {
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}
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```
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## Worker 路由
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在 `internal/task/worker/worker.go` 的 mux 上添加任务类型。所有业务任务都指向 `task.ProcessTask`。
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```go
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func StartWorker() error {
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asynqServer := asynq.NewServer(task.RedisOpt, asynq.Config{
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Concurrency: config.Config.Worker.Concurrency,
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ShutdownTimeout: workerShutdownTimeout,
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Queues: buildQueuesFromConfig(),
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StrictPriority: config.Config.Worker.StrictPriority,
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})
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mux := asynq.NewServeMux()
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mux.Use(taskLoggingMiddleware)
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mux.HandleFunc(task.CleanupUnusedUploadsTask, task.ProcessTask)
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mux.HandleFunc(task.SendEmailTask, task.ProcessTask)
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return asynqServer.Run(mux)
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}
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```
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## Cron 调度和配置
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系统默认的定时任务必须通过 Goose SQL 迁移初始化插入到 `schedules` 表。
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@@ -37,7 +37,7 @@ func init() {
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// @Failure 403 {object} util.ResponseAny "无管理员权限"
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// @Router /api/v1/admin/tasks/types [get]
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func ListTaskTypes(c *gin.Context) {
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c.JSON(http.StatusOK, util.OK(task.DispatchableTasks))
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c.JSON(http.StatusOK, util.OK(task.GetDispatchableTasks()))
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}
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// DispatchTaskRequest 下发任务请求
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@@ -15,6 +15,8 @@ import (
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"time"
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"github.com/Rain-kl/Wavelet/internal/apps/oauth"
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"github.com/Rain-kl/Wavelet/internal/apps/upload"
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"github.com/Rain-kl/Wavelet/internal/apps/user"
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"github.com/Rain-kl/Wavelet/internal/model"
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"github.com/Rain-kl/Wavelet/internal/task"
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"github.com/Rain-kl/Wavelet/internal/testhelper"
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@@ -88,13 +90,13 @@ func TestListTaskTypes(t *testing.T) {
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foundCleanup := false
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for _, m := range taskMetas {
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if m.Type == task.TaskTypeCleanupUploads {
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if m.Type == upload.TaskTypeCleanupUploads {
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foundCleanup = true
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break
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}
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}
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if !foundCleanup {
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t.Errorf("expected task type %s to be listed", task.TaskTypeCleanupUploads)
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t.Errorf("expected task type %s to be listed", upload.TaskTypeCleanupUploads)
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}
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}
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@@ -107,7 +109,7 @@ func TestDispatchTask(t *testing.T) {
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t.Run("dispatch valid task successfully", func(t *testing.T) {
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payload := DispatchTaskRequest{
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TaskType: task.TaskTypeCleanupUploads,
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TaskType: upload.TaskTypeCleanupUploads,
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}
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body, _ := json.Marshal(payload)
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req, _ := http.NewRequest("POST", "/api/v1/admin/tasks/dispatch", bytes.NewBuffer(body))
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@@ -130,7 +132,7 @@ func TestDispatchTask(t *testing.T) {
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t.Run("dispatch send_email task successfully with valid payload", func(t *testing.T) {
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payload := DispatchTaskRequest{
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TaskType: task.TaskTypeSendEmail,
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TaskType: user.TaskTypeSendEmail,
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Payload: `{"to":"receiver@example.com","subject":"Test Subject","body":"Test Body"}`,
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}
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body, _ := json.Marshal(payload)
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@@ -149,7 +151,7 @@ func TestDispatchTask(t *testing.T) {
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t.Run("dispatch send_email task failure with invalid payload json", func(t *testing.T) {
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payload := DispatchTaskRequest{
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TaskType: task.TaskTypeSendEmail,
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TaskType: user.TaskTypeSendEmail,
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Payload: `{"to":`,
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}
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body, _ := json.Marshal(payload)
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@@ -166,7 +168,7 @@ func TestDispatchTask(t *testing.T) {
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t.Run("dispatch send_email task failure with missing fields", func(t *testing.T) {
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payload := DispatchTaskRequest{
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TaskType: task.TaskTypeSendEmail,
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TaskType: user.TaskTypeSendEmail,
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Payload: `{"to":"","subject":"Test","body":"Test"}`,
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}
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body, _ := json.Marshal(payload)
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@@ -16,6 +16,26 @@ import (
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"gorm.io/gorm"
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)
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// 异步任务名称与管理类型定义
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const (
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// CleanupUnusedUploadsTask 清理未使用上传任务标识
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CleanupUnusedUploadsTask = "upload:cleanup_unused"
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// TaskTypeCleanupUploads 清理未使用上传管理类型
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TaskTypeCleanupUploads = "cleanup_unused_uploads"
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)
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// CleanupUnusedUploadsMeta represents the task metadata.
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var CleanupUnusedUploadsMeta = task.TaskMeta{
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Type: TaskTypeCleanupUploads,
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AsynqTask: CleanupUnusedUploadsTask,
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Name: "清理未使用上传",
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Description: "清理超过1小时未使用的上传文件",
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SupportsTime: false,
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MaxRetry: task.DefaultMaxRetry,
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Queue: task.QueueDefault,
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Retryable: true,
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}
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// CleanupUnusedUploadsHandler 清理未使用上传文件的异步任务处理器
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type CleanupUnusedUploadsHandler struct{}
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@@ -109,7 +109,7 @@ func sendEmailVerificationCode(ctx context.Context, email, scene, templateName s
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Body: emailBody,
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}
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payloadBytes, _ := json.Marshal(payload)
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_, err = task.DispatchTask(ctx, task.TaskTypeSendEmail, payloadBytes, "system")
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_, err = task.DispatchTask(ctx, TaskTypeSendEmail, payloadBytes, "system")
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if err != nil {
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return errors.New(errDispatchEmailTaskFailed)
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}
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@@ -1,4 +1,3 @@
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// Copyright 2025 linux.do
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// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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@@ -17,6 +16,52 @@ import (
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"github.com/Rain-kl/Wavelet/internal/util/mail"
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)
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// 异步任务名称与管理类型定义
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const (
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// SendEmailTask 发送邮件任务标识
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SendEmailTask = "mail:send"
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// TaskTypeSendEmail 发送邮件管理类型
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TaskTypeSendEmail = "send_email"
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)
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// SendEmailMeta represents the task metadata.
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var SendEmailMeta = task.TaskMeta{
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Type: TaskTypeSendEmail,
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AsynqTask: SendEmailTask,
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Name: "发送邮件",
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Description: "异步发送系统邮件",
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SupportsTime: false,
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MaxRetry: task.DefaultMaxRetry,
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Queue: task.QueueDefault,
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Retryable: true,
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Params: []task.TaskParam{
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{
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Name: "to",
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Label: "接收邮箱 (To)",
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Type: "string",
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Required: true,
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Placeholder: "receiver@example.com",
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Description: "接收邮件的目标邮箱地址",
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},
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{
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Name: "subject",
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Label: "邮件主题 (Subject)",
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Type: "string",
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Required: true,
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Placeholder: "请输入邮件主题",
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Description: "发送邮件的主题标题",
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},
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{
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Name: "body",
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Label: "邮件内容 (Body)",
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Type: "text",
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Required: true,
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Placeholder: "请输入邮件内容(支持 HTML 格式)",
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Description: "发送邮件的内容主体",
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},
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},
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}
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// SendEmailPayload 邮件发送任务载荷
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type SendEmailPayload struct {
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To string `json:"to"`
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+2
-111
@@ -5,119 +5,10 @@
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// Package task 定义异步任务类型与调度常量
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package task
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// 异步任务类型标识
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const (
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CleanupUnusedUploadsTask = "upload:cleanup_unused"
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SendEmailTask = "mail:send"
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)
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// 任务队列名称
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const (
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QueueDefault = "default"
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)
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// 管理员可下发的任务类型标识
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const (
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TaskTypeCleanupUploads = "cleanup_unused_uploads"
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TaskTypeSendEmail = "send_email"
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)
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// defaultMaxRetry 任务默认最大重试次数
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const defaultMaxRetry = 3
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// TaskParam 任务参数定义
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//
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//nolint:revive // TaskParam 保留完整名称以避免与通用 Param 混淆
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type TaskParam struct {
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Name string `json:"Name"` // 参数键名
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Label string `json:"Label"` // 显示名称
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Type string `json:"Type"` // 类型:string, text, number, boolean
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Required bool `json:"Required"` // 是否必填
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Placeholder string `json:"Placeholder"` // 占位符
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Description string `json:"Description"` // 描述
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}
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// TaskMeta 任务元数据
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//
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//nolint:revive // TaskMeta 保留完整名称以避免与通用 Meta 混淆
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type TaskMeta struct {
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Type string
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AsynqTask string
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Name string
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Description string
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SupportsTime bool
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MaxRetry int
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Queue string
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Retryable bool // 是否支持手动重试
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Params []TaskParam
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}
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// DispatchableTasks 可下发的任务列表
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||||
var DispatchableTasks = []TaskMeta{
|
||||
{
|
||||
Type: TaskTypeCleanupUploads,
|
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AsynqTask: CleanupUnusedUploadsTask,
|
||||
Name: "清理未使用上传",
|
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Description: "清理超过1小时未使用的上传文件",
|
||||
SupportsTime: false,
|
||||
MaxRetry: defaultMaxRetry,
|
||||
Queue: QueueDefault,
|
||||
Retryable: true,
|
||||
},
|
||||
{
|
||||
Type: TaskTypeSendEmail,
|
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AsynqTask: SendEmailTask,
|
||||
Name: "发送邮件",
|
||||
Description: "异步发送系统邮件",
|
||||
SupportsTime: false,
|
||||
MaxRetry: defaultMaxRetry,
|
||||
Queue: QueueDefault,
|
||||
Retryable: true,
|
||||
Params: []TaskParam{
|
||||
{
|
||||
Name: "to",
|
||||
Label: "接收邮箱 (To)",
|
||||
Type: "string",
|
||||
Required: true,
|
||||
Placeholder: "receiver@example.com",
|
||||
Description: "接收邮件的目标邮箱地址",
|
||||
},
|
||||
{
|
||||
Name: "subject",
|
||||
Label: "邮件主题 (Subject)",
|
||||
Type: "string",
|
||||
Required: true,
|
||||
Placeholder: "请输入邮件主题",
|
||||
Description: "发送邮件的主题标题",
|
||||
},
|
||||
{
|
||||
Name: "body",
|
||||
Label: "邮件内容 (Body)",
|
||||
Type: "text",
|
||||
Required: true,
|
||||
Placeholder: "请输入邮件内容(支持 HTML 格式)",
|
||||
Description: "发送邮件的内容主体",
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
// GetTaskMeta 根据任务类型获取元数据
|
||||
func GetTaskMeta(taskType string) *TaskMeta {
|
||||
for _, t := range DispatchableTasks {
|
||||
if t.Type == taskType {
|
||||
return &t
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// GetTaskMetaByAsynqTask 根据 Asynq 任务名称获取元数据
|
||||
func GetTaskMetaByAsynqTask(asynqTask string) *TaskMeta {
|
||||
for _, t := range DispatchableTasks {
|
||||
if t.AsynqTask == asynqTask {
|
||||
return &t
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
// DefaultMaxRetry 任务默认最大重试次数
|
||||
const DefaultMaxRetry = 3
|
||||
|
||||
@@ -11,8 +11,13 @@ import (
|
||||
"github.com/Rain-kl/Wavelet/internal/task"
|
||||
)
|
||||
|
||||
// Register registers all built-in task handlers.
|
||||
// Register registers all built-in task handlers and their metadata.
|
||||
func Register() {
|
||||
task.RegisterHandler(task.CleanupUnusedUploadsTask, &upload.CleanupUnusedUploadsHandler{})
|
||||
task.RegisterHandler(task.SendEmailTask, &user.SendEmailHandler{})
|
||||
// upload
|
||||
task.RegisterHandler(upload.CleanupUnusedUploadsTask, &upload.CleanupUnusedUploadsHandler{})
|
||||
task.RegisterTaskMeta(upload.CleanupUnusedUploadsMeta)
|
||||
|
||||
// user
|
||||
task.RegisterHandler(user.SendEmailTask, &user.SendEmailHandler{})
|
||||
task.RegisterTaskMeta(user.SendEmailMeta)
|
||||
}
|
||||
|
||||
@@ -0,0 +1,92 @@
|
||||
// Copyright 2026 Arctel.net
|
||||
// SPDX-License-Identifier: Apache-2.0
|
||||
|
||||
package task
|
||||
|
||||
import (
|
||||
"sync"
|
||||
)
|
||||
|
||||
// TaskParam 任务参数定义
|
||||
//
|
||||
//nolint:revive // TaskParam 保留完整名称以避免与通用 Param 混淆
|
||||
type TaskParam struct {
|
||||
Name string `json:"Name"` // 参数键名
|
||||
Label string `json:"Label"` // 显示名称
|
||||
Type string `json:"Type"` // 类型:string, text, number, boolean
|
||||
Required bool `json:"Required"` // 是否必填
|
||||
Placeholder string `json:"Placeholder"` // 占位符
|
||||
Description string `json:"Description"` // 描述
|
||||
}
|
||||
|
||||
// TaskMeta 任务元数据
|
||||
//
|
||||
//nolint:revive // TaskMeta 保留完整名称以避免与通用 Meta 混淆
|
||||
type TaskMeta struct {
|
||||
Type string
|
||||
AsynqTask string
|
||||
Name string
|
||||
Description string
|
||||
SupportsTime bool
|
||||
MaxRetry int
|
||||
Queue string
|
||||
Retryable bool // 是否支持手动重试
|
||||
Params []TaskParam
|
||||
}
|
||||
|
||||
var (
|
||||
dispatchableTasksMutex sync.RWMutex
|
||||
dispatchableTasks []TaskMeta
|
||||
)
|
||||
|
||||
// RegisterTaskMeta 注册任务元数据到全局列表
|
||||
func RegisterTaskMeta(meta TaskMeta) {
|
||||
dispatchableTasksMutex.Lock()
|
||||
defer dispatchableTasksMutex.Unlock()
|
||||
dispatchableTasks = append(dispatchableTasks, meta)
|
||||
}
|
||||
|
||||
// GetDispatchableTasks 获取所有已注册的元数据列表(返回副本以避免并发并发读写冲突)
|
||||
func GetDispatchableTasks() []TaskMeta {
|
||||
dispatchableTasksMutex.RLock()
|
||||
defer dispatchableTasksMutex.RUnlock()
|
||||
|
||||
metas := make([]TaskMeta, len(dispatchableTasks))
|
||||
copy(metas, dispatchableTasks)
|
||||
return metas
|
||||
}
|
||||
|
||||
// GetTaskMeta 根据任务类型获取元数据
|
||||
func GetTaskMeta(taskType string) *TaskMeta {
|
||||
dispatchableTasksMutex.RLock()
|
||||
defer dispatchableTasksMutex.RUnlock()
|
||||
for _, t := range dispatchableTasks {
|
||||
if t.Type == taskType {
|
||||
copied := t
|
||||
return &copied
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// GetTaskMetaByAsynqTask 根据 Asynq 任务名称获取元数据
|
||||
func GetTaskMetaByAsynqTask(asynqTask string) *TaskMeta {
|
||||
dispatchableTasksMutex.RLock()
|
||||
defer dispatchableTasksMutex.RUnlock()
|
||||
for _, t := range dispatchableTasks {
|
||||
if t.AsynqTask == asynqTask {
|
||||
copied := t
|
||||
return &copied
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// GetRegisteredAsynqTasks 返回所有已注册的 Asynq 任务名称,以便动态注册路由
|
||||
func GetRegisteredAsynqTasks() []string {
|
||||
keys := make([]string, 0, len(handlerRegistry))
|
||||
for k := range handlerRegistry {
|
||||
keys = append(keys, k)
|
||||
}
|
||||
return keys
|
||||
}
|
||||
@@ -39,8 +39,10 @@ func StartWorker() error {
|
||||
|
||||
// 统一使用 task.ProcessTask 处理所有任务类型
|
||||
// 框架内部自动分发到对应的 TaskHandler 实现
|
||||
mux.HandleFunc(task.CleanupUnusedUploadsTask, task.ProcessTask)
|
||||
mux.HandleFunc(task.SendEmailTask, task.ProcessTask)
|
||||
// 动态注册所有已注册的任务处理器路由,框架内部自动分发到对应的 TaskHandler 实现
|
||||
for _, taskName := range task.GetRegisteredAsynqTasks() {
|
||||
mux.HandleFunc(taskName, task.ProcessTask)
|
||||
}
|
||||
|
||||
// 启动服务器
|
||||
return asynqServer.Run(mux)
|
||||
|
||||
Reference in New Issue
Block a user