docs(01-02): 完成 PollingHandler 注入 asynq.Client 修复断链计划摘要

This commit is contained in:
2026-03-27 23:30:47 +08:00
parent 20b4b6d6bf
commit 0ed804c4b3
4 changed files with 139 additions and 7 deletions

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---
phase: 01-p0
plan: 02
subsystem: task/polling
tags: [bug-fix, asynq, realname-activation, critical]
one_liner: "修复 PollingHandler 缺失 asynq.Client 导致实名激活任务进入 RPush 降级而非 Asynq 队列的断链问题"
dependency_graph:
requires:
- 01-01 (CRITICAL-02 实名状态常量统一)
provides:
- CRITICAL-03: PollingHandler 正确通过 Asynq 入队实名激活任务
affects:
- internal/task/polling_handler.go
- pkg/queue/handler.go
tech_stack:
added: []
patterns:
- "依赖注入:通过构造函数参数传入 asynq.Client"
- "asynq.Client.EnqueueContext 正式入队"
key_files:
modified:
- internal/task/polling_handler.go
- pkg/queue/handler.go
decisions:
- "删除 RPush 降级方案及 _ = task 废弃代码,直接使用 EnqueueContext 入队"
- "asynqClient 参数位置redis 之后、gatewayClient 之前,与其他 Handler 构造函数风格一致"
metrics:
duration: "3min"
completed: "2026-03-27"
tasks: 1
files: 2
requirements:
- CRITICAL-03
---
# Phase 01 Plan 02: PollingHandler 注入 asynq.Client 修复实名激活断链 Summary
## Objective
修复 CRITICAL-03`triggerFirstRealnameActivation` 因缺少 `asynq.Client` 注入,降级使用 Redis RPush 将任务写入无消费者的列表,导致首次实名后套餐激活任务永远不被消费。
## What Was Built
### 修改文件
**`internal/task/polling_handler.go`**
1. `PollingHandler` struct 新增 `asynqClient *asynq.Client` 字段
2. `NewPollingHandler` 构造函数新增 `asynqClient *asynq.Client` 参数位置redis 之后gatewayClient 之前)
3. `triggerFirstRealnameActivation` 改为 `h.asynqClient.EnqueueContext(ctx, task)`,删除 RPush 降级代码和 `_ = task`
**`pkg/queue/handler.go`**
`registerPollingHandlers` 调用 `task.NewPollingHandler` 时补充 `h.asynqClient` 参数Handler struct 已有此字段,直接传入)
### 关键代码对比
**修改前(降级代码):**
```go
// polling_handler.go
type PollingHandler struct {
db *gorm.DB
redis *redis.Client
// asynqClient 缺失
gatewayClient *gateway.Client
...
}
// triggerFirstRealnameActivation 内
task := asynq.NewTask(...)
activationKey := constants.RedisPollingManualQueueKey(constants.TaskTypePackageFirstActivation)
h.redis.RPush(ctx, activationKey, string(payloadBytes)) // 写入无消费者的列表
_ = task // task 被丢弃
```
**修改后(正确入队):**
```go
// polling_handler.go
type PollingHandler struct {
db *gorm.DB
redis *redis.Client
asynqClient *asynq.Client // 新增,用于提交 Asynq 任务
gatewayClient *gateway.Client
...
}
// triggerFirstRealnameActivation 内
task := asynq.NewTask(...)
if _, err := h.asynqClient.EnqueueContext(ctx, task); err != nil {
h.logger.Warn("提交首次实名激活任务失败", ...)
continue
}
```
## Verification Results
```
✅ go build ./... — 编译通过
✅ rg "_ = task" internal/task/polling_handler.go → PASS: _ = task 已删除
✅ rg "asynqClient.EnqueueContext" internal/task/polling_handler.go → PASS: EnqueueContext 已存在
✅ registerPollingHandlers 传入 h.asynqClient 参数
```
## Commits
| Task | Commit | Files |
|------|--------|-------|
| Task 1: PollingHandler 注入 asynqClientCRITICAL-03| `20b4b6d` | internal/task/polling_handler.go, pkg/queue/handler.go |
## Deviations from Plan
None - 计划执行完全按规格书执行,无偏差。
## CRITICAL-03 完成状态
**CRITICAL-03 已修复**
- PollingHandler struct 含 asynqClient 字段 ✅
- NewPollingHandler 接受 asynqClient 参数 ✅
- triggerFirstRealnameActivation 使用 EnqueueContext不再 RPush ✅
- `_ = task` 已删除 ✅
- pkg/queue/handler.go 传入 h.asynqClient ✅
- go build ./... 编译通过 ✅
## Self-Check: PASSED
- `internal/task/polling_handler.go` — FOUND ✅
- `pkg/queue/handler.go` — FOUND ✅
- Commit `20b4b6d` — FOUND ✅