Files
smartmate/backend/service/events/chat_history_persist.go
Losita b08ee17893 Version: 0.9.66.dev.260504
后端:
1. 阶段 2 user/auth 服务边界落地,新增 `cmd/userauth` go-zero zrpc 服务、`services/userauth` 核心实现、gateway user API/zrpc client 与 shared contracts/ports,迁移注册、登录、刷新 token、登出、JWT、黑名单和 token 额度治理
2. gateway 与启动装配切流,`cmd/all` 只保留边缘路由、鉴权和轻量组合,通过 userauth zrpc 访问核心用户能力;拆分 MySQL/Redis 初始化与 AutoMigrate 边界,`userauth` 自迁 `users` 和 token 记账幂等表,`all` 不再迁用户表
3. 清退 Gin 单体旧 user/auth DAO、model、service、router、middleware 和 JWT handler,并同步调整 agent/schedule/cache/outbox 相关调用依赖
4. 补齐 refresh token 防并发重放、MySQL 幂等 token 记账、额度 `>=` 拦截和 RPC 错误映射,避免重复记账与内部错误透出

文档:
1. 新增《学习计划论坛与Token商店PRD》
2026-05-04 15:20:47 +08:00

116 lines
3.4 KiB
Go

package events
import (
"context"
"encoding/json"
"errors"
"strconv"
"strings"
"github.com/LoveLosita/smartflow/backend/dao"
kafkabus "github.com/LoveLosita/smartflow/backend/infra/kafka"
outboxinfra "github.com/LoveLosita/smartflow/backend/infra/outbox"
"github.com/LoveLosita/smartflow/backend/model"
contracts "github.com/LoveLosita/smartflow/backend/shared/contracts/userauth"
"github.com/LoveLosita/smartflow/backend/shared/ports"
"gorm.io/gorm"
)
const (
// EventTypeChatHistoryPersistRequested 是聊天消息持久化请求的业务事件类型。
EventTypeChatHistoryPersistRequested = "chat.history.persist.requested"
)
// RegisterChatHistoryPersistHandler 注册“聊天消息持久化”消费者。
// 职责边界:
// 1. 只处理聊天历史事件,不处理其它业务事件;
// 2. 只负责注册,不负责总线启动;
// 3. 先写本地 chat 相关表,再调用 userauth 调整 token 额度;
// 4. 当前版本仅注册新路由键,不再注册旧兼容键。
func RegisterChatHistoryPersistHandler(
bus OutboxBus,
outboxRepo *outboxinfra.Repository,
repoManager *dao.RepoManager,
adjuster ports.TokenUsageAdjuster,
) error {
if bus == nil {
return errors.New("event bus is nil")
}
if outboxRepo == nil {
return errors.New("outbox repository is nil")
}
if repoManager == nil {
return errors.New("repo manager is nil")
}
eventOutboxRepo, err := scopedOutboxRepoForEvent(outboxRepo, EventTypeChatHistoryPersistRequested)
if err != nil {
return err
}
handler := func(ctx context.Context, envelope kafkabus.Envelope) error {
var payload model.ChatHistoryPersistPayload
if unmarshalErr := json.Unmarshal(envelope.Payload, &payload); unmarshalErr != nil {
_ = eventOutboxRepo.MarkDead(ctx, envelope.OutboxID, "解析聊天持久化载荷失败: "+unmarshalErr.Error())
return nil
}
eventID := strings.TrimSpace(envelope.EventID)
if eventID == "" {
eventID = strconv.FormatInt(envelope.OutboxID, 10)
}
if err := eventOutboxRepo.ConsumeInTx(ctx, envelope.OutboxID, func(tx *gorm.DB) error {
txM := repoManager.WithTx(tx)
return txM.Agent.SaveChatHistoryInTx(
ctx,
payload.UserID,
payload.ConversationID,
payload.Role,
payload.Message,
payload.ReasoningContent,
payload.ReasoningDurationSeconds,
payload.TokensConsumed,
eventID,
)
}); err != nil {
return err
}
if payload.TokensConsumed > 0 {
if adjuster == nil {
return errors.New("userauth token adjuster is nil")
}
if _, err := adjuster.AdjustTokenUsage(ctx, contracts.AdjustTokenUsageRequest{
EventID: eventID,
UserID: payload.UserID,
TokenDelta: payload.TokensConsumed,
}); err != nil {
return err
}
}
return eventOutboxRepo.MarkConsumed(ctx, envelope.OutboxID)
}
return bus.RegisterEventHandler(EventTypeChatHistoryPersistRequested, handler)
}
// PublishChatHistoryPersistRequested 发布“聊天消息持久化请求”事件。
func PublishChatHistoryPersistRequested(
ctx context.Context,
publisher outboxinfra.EventPublisher,
payload model.ChatHistoryPersistPayload,
) error {
if publisher == nil {
return errors.New("event publisher is nil")
}
return publisher.Publish(ctx, outboxinfra.PublishRequest{
EventType: EventTypeChatHistoryPersistRequested,
EventVersion: outboxinfra.DefaultEventVersion,
MessageKey: payload.ConversationID,
AggregateID: payload.ConversationID,
Payload: payload,
})
}