161 lines
6.8 KiB
Go
161 lines
6.8 KiB
Go
package identity
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import (
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"context"
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"database/sql"
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"hyapp/pkg/appcode"
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"hyapp/pkg/xerr"
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userdomain "hyapp/services/user-service/internal/domain/user"
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"hyapp/services/user-service/internal/storage/mysql/shared"
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userstorage "hyapp/services/user-service/internal/storage/mysql/user"
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)
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func (r *Repository) GetUserIdentity(ctx context.Context, userID int64) (userdomain.Identity, error) {
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// 直接读取 users 当前快照；是否懒过期由 service 层统一判断。
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user, err := userstorage.New(r.db).GetUser(ctx, userID)
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if err != nil {
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return userdomain.Identity{}, err
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}
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if user.CurrentDisplayUserID == "" {
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// 理论上用户创建事务会保证短号存在，该分支保护脏数据。
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return userdomain.Identity{}, xerr.New(xerr.DisplayUserIDNotFound, "display_user_id not found")
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}
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return user.EffectiveIdentity(), nil
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}
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// ResolveDisplayUserID 只解析当前有效展示号。
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// 查询前先按输入短号触发懒过期，保证过期靓号不继续解析，默认短号能恢复解析。
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func (r *Repository) ResolveDisplayUserID(ctx context.Context, displayUserID string, nowMs int64) (userdomain.Identity, error) {
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// 解析前按输入短号触发懒过期，避免过期靓号继续被解析。
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if err := r.expirePrettyByDisplayUserID(ctx, displayUserID, nowMs, "lazy_resolve"); err != nil {
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return userdomain.Identity{}, err
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}
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user, err := userstorage.QueryUser(ctx, r.db, "WHERE current_display_user_id = ?", displayUserID)
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if err == sql.ErrNoRows {
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// held 默认号和过期靓号都不会匹配 current_display_user_id。
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return userdomain.Identity{}, xerr.New(xerr.DisplayUserIDNotFound, "display_user_id not found")
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}
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if err != nil {
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return userdomain.Identity{}, err
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}
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return user.EffectiveIdentity(), nil
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}
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// ChangeDisplayUserID 修改默认短号；有 active 靓号时拒绝，避免过期恢复目标不清晰。
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func (r *Repository) ChangeDisplayUserID(ctx context.Context, command userdomain.DisplayUserIDChangeCommand) (userdomain.Identity, error) {
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// 默认短号修改涉及 users、短号记录和变更日志，必须在一个事务内完成。
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tx, err := r.db.BeginTx(ctx, nil)
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if err != nil {
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return userdomain.Identity{}, err
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}
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defer tx.Rollback()
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user, err := userstorage.QueryUser(ctx, tx, "WHERE user_id = ? FOR UPDATE", command.UserID)
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if err == sql.ErrNoRows {
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// FOR UPDATE 锁住用户行，避免并发修改默认短号或申请靓号。
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return userdomain.Identity{}, xerr.New(xerr.NotFound, "user not found")
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}
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if err != nil {
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return userdomain.Identity{}, err
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}
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if user.DisplayUserIDExpired(command.ChangedAtMs) {
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// 修改前先恢复过期靓号，避免默认短号仍处于 held。
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identity, err := r.expirePrettyInTx(ctx, tx, user, "", command.ChangedAtMs, command.RequestID)
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if err != nil {
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return userdomain.Identity{}, err
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}
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user = userdomain.User{
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AppCode: user.AppCode,
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UserID: identity.UserID,
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DefaultDisplayUserID: identity.DefaultDisplayUserID,
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CurrentDisplayUserID: identity.DisplayUserID,
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CurrentDisplayUserIDKind: identity.DisplayUserIDKind,
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Status: user.Status,
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CreatedAtMs: user.CreatedAtMs,
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UpdatedAtMs: command.ChangedAtMs,
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}
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}
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if user.CurrentDisplayUserIDKind == userdomain.DisplayUserIDKindPretty {
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// active 靓号期间拒绝改默认短号，保证过期恢复目标稳定。
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return userdomain.Identity{}, xerr.New(xerr.DisplayUserIDPrettyActive, "pretty display_user_id is active")
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}
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if user.DefaultDisplayUserID == command.NewDisplayUserID {
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// 修改为相同默认短号按幂等成功处理，不写日志。
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return user.EffectiveIdentity(), nil
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}
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if err := r.assertDisplayUserIDAvailable(ctx, tx, command.NewDisplayUserID, command.UserID, true); err != nil {
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return userdomain.Identity{}, err
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}
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if command.CooldownMs > 0 {
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// 冷却期检查必须在事务内读取变更日志，避免并发绕过。
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if err := r.assertChangeCooldown(ctx, tx, command); err != nil {
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return userdomain.Identity{}, err
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}
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}
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// 旧默认短号释放，新默认短号插入为 active。
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_, err = tx.ExecContext(ctx, `
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UPDATE user_display_user_ids
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SET status = ?, released_at_ms = ?, release_reason = ?, updated_at_ms = ?
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WHERE app_code = ? AND user_id = ? AND display_user_id = ? AND display_user_id_kind = ? AND status = ?
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`, string(userdomain.DisplayUserIDStatusReleased), command.ChangedAtMs, command.Reason, command.ChangedAtMs, appcode.Normalize(command.AppCode), command.UserID, user.DefaultDisplayUserID, string(userdomain.DisplayUserIDKindDefault), string(userdomain.DisplayUserIDStatusActive))
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if err != nil {
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return userdomain.Identity{}, err
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}
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_, err = tx.ExecContext(ctx, `
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INSERT INTO user_display_user_ids (app_code, display_user_id, user_id, display_user_id_kind, status, assigned_at_ms, activated_at_ms, created_at_ms, updated_at_ms)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, appcode.Normalize(command.AppCode), command.NewDisplayUserID, command.UserID, string(userdomain.DisplayUserIDKindDefault), string(userdomain.DisplayUserIDStatusActive), command.ChangedAtMs, command.ChangedAtMs, command.ChangedAtMs, command.ChangedAtMs)
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if err != nil {
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return userdomain.Identity{}, shared.MapDisplayDuplicateError(err)
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}
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_, err = tx.ExecContext(ctx, `
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UPDATE users
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SET default_display_user_id = ?, current_display_user_id = ?, current_display_user_id_kind = ?, current_display_user_id_expires_at_ms = NULL, updated_at_ms = ?
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WHERE app_code = ? AND user_id = ?
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`, command.NewDisplayUserID, command.NewDisplayUserID, string(userdomain.DisplayUserIDKindDefault), command.ChangedAtMs, appcode.Normalize(command.AppCode), command.UserID)
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if err != nil {
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return userdomain.Identity{}, shared.MapDisplayDuplicateError(err)
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}
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if err := insertDisplayUserIDChangeLog(ctx, tx, displayUserIDLog{
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AppCode: appcode.Normalize(command.AppCode),
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UserID: command.UserID,
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OldID: user.DefaultDisplayUserID,
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NewID: command.NewDisplayUserID,
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OldKind: userdomain.DisplayUserIDKindDefault,
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NewKind: userdomain.DisplayUserIDKindDefault,
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ChangeType: "default_change",
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Reason: command.Reason,
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OperatorID: command.OperatorUserID,
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RequestID: command.RequestID,
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CreatedAtMs: command.ChangedAtMs,
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}); err != nil {
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return userdomain.Identity{}, err
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}
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if err := tx.Commit(); err != nil {
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// commit 失败时调用方不能使用返回 identity。
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return userdomain.Identity{}, err
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}
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return userdomain.Identity{
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AppCode: appcode.Normalize(command.AppCode),
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UserID: command.UserID,
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DisplayUserID: command.NewDisplayUserID,
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DefaultDisplayUserID: command.NewDisplayUserID,
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DisplayUserIDKind: userdomain.DisplayUserIDKindDefault,
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Status: userdomain.DisplayUserIDStatusActive,
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}, nil
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}
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// ApplyPrettyDisplayUserID 创建临时靓号租约，并把默认短号置为 held。
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