88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
package service
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import (
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"context"
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"encoding/json"
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"errors"
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"strings"
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roomv1 "hyapp.local/api/proto/room/v1"
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"hyapp/pkg/appcode"
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"hyapp/pkg/usermq"
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"hyapp/services/room-service/internal/room/command"
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"hyapp/services/room-service/internal/room/state"
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)
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type userRegionChangedPayload struct {
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UserID int64 `json:"user_id"`
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OldCountry string `json:"old_country"`
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NewCountry string `json:"new_country"`
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OldRegionID int64 `json:"old_region_id"`
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NewRegionID int64 `json:"new_region_id"`
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Source string `json:"source"`
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RequestID string `json:"request_id"`
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ChangedAtMS int64 `json:"changed_at_ms"`
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}
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// HandleUserOutboxMessage 只消费 user-service 的当前区域迁移事实；历史注册、邀请或麦位事实不是 room-service 的状态输入。
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func (s *Service) HandleUserOutboxMessage(ctx context.Context, message usermq.UserOutboxMessage) error {
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if strings.TrimSpace(message.EventType) != "UserRegionChanged" {
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return nil
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}
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var payload userRegionChangedPayload
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if err := json.Unmarshal([]byte(message.PayloadJSON), &payload); err != nil {
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return err
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}
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if payload.UserID <= 0 || payload.NewRegionID < 0 {
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// user_outbox 已经是 owner service 提交后的事实；结构错误交给 MQ 重试和告警，不在本地猜测修复。
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return errors.New("user region changed payload is invalid")
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}
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if payload.UserID != message.AggregateID {
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// aggregate_id 是 outbox 幂等和审计键，必须和 payload 指向同一个用户，避免错误事件迁移别人的房间。
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return errors.New("user region changed aggregate_id mismatch")
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}
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ctx = appcode.WithContext(ctx, message.AppCode)
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meta, exists, err := s.repository.GetRoomMetaByOwner(ctx, payload.UserID)
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if err != nil {
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return err
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}
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if !exists || meta.Status == state.RoomStatusDeleted {
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return nil
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}
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newCountry := normalizeRoomCountryCode(payload.NewCountry)
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if meta.VisibleRegionID == payload.NewRegionID && newCountry == "" {
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return nil
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}
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requestID := strings.TrimSpace(payload.RequestID)
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if requestID == "" {
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requestID = message.EventID
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}
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sentAtMS := payload.ChangedAtMS
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if sentAtMS <= 0 {
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sentAtMS = message.OccurredAtMS
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}
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updateMeta := &roomv1.RequestMeta{
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AppCode: message.AppCode,
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RequestId: requestID,
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CommandId: message.EventID,
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ActorUserId: payload.UserID,
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RoomId: meta.RoomID,
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SentAtMs: sentAtMS,
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}
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cmd := command.AdminUpdateRoom{
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Base: baseFromMeta(updateMeta),
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AdminName: "user-region-sync",
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}
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if meta.VisibleRegionID != payload.NewRegionID {
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cmd.VisibleRegionID = &payload.NewRegionID
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}
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if newCountry != "" {
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// UserRegionChanged 同时承载国家事实；即使区域未变，也要把房主国家投影写回房间列表。
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cmd.OwnerCountryCode = &newCountry
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}
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_, err = s.applyAdminRoomMutation(ctx, cmd, cmd)
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return err
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}
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