owpengram-server/internal/store/postgres/phone_change.go

112 lines
3.6 KiB
Go

package postgres
import (
"context"
"errors"
"fmt"
"time"
"github.com/jackc/pgx/v5"
"telesrv/internal/domain"
"telesrv/internal/store/postgres/sqlcgen"
)
// PhoneChangeStore 把 users.phone、账号 pts、durable event 与 dispatch outbox
// 作为一个事务提交,避免任何一边单独可见。
type PhoneChangeStore struct {
db sqlcgen.DBTX
q *sqlcgen.Queries
}
func NewPhoneChangeStore(db sqlcgen.DBTX) *PhoneChangeStore {
return &PhoneChangeStore{db: db, q: sqlcgen.New(db)}
}
func (*PhoneChangeStore) UsesReliableDispatch() bool { return true }
func (s *PhoneChangeStore) ChangePhone(ctx context.Context, req domain.PhoneChangeRequest) (domain.PhoneChangeResult, error) {
if s == nil || req.UserID == 0 || !domain.ValidPhone(req.Phone) {
return domain.PhoneChangeResult{}, domain.ErrPhoneNumberInvalid
}
beginner, ok := s.db.(txBeginner)
if !ok {
return domain.PhoneChangeResult{}, fmt.Errorf("change phone: db does not support transactions")
}
tx, err := beginner.Begin(ctx)
if err != nil {
return domain.PhoneChangeResult{}, fmt.Errorf("begin change phone: %w", err)
}
committed := false
defer func() {
if !committed {
_ = tx.Rollback(ctx)
}
}()
qtx := s.q.WithTx(tx)
var currentPhone string
if err := tx.QueryRow(ctx, `SELECT phone FROM users WHERE id = $1 FOR UPDATE`, req.UserID).Scan(&currentPhone); err != nil {
if errors.Is(err, pgx.ErrNoRows) {
return domain.PhoneChangeResult{}, domain.ErrUserNotFound
}
return domain.PhoneChangeResult{}, fmt.Errorf("lock user for phone change: %w", err)
}
if currentPhone == req.Phone {
row, err := qtx.GetUserByID(ctx, req.UserID)
if err != nil {
return domain.PhoneChangeResult{}, fmt.Errorf("reload unchanged phone user: %w", err)
}
if err := tx.Commit(ctx); err != nil {
return domain.PhoneChangeResult{}, fmt.Errorf("commit unchanged phone: %w", err)
}
committed = true
return domain.PhoneChangeResult{User: userFromModel(row)}, nil
}
row, err := qtx.UpdateUserPhone(ctx, sqlcgen.UpdateUserPhoneParams{ID: req.UserID, Phone: req.Phone})
if err != nil {
if isUniqueConstraint(err, "users_phone_unique_idx") {
return domain.PhoneChangeResult{}, domain.ErrPhoneNumberOccupied
}
if errors.Is(err, pgx.ErrNoRows) {
return domain.PhoneChangeResult{}, domain.ErrUserNotFound
}
return domain.PhoneChangeResult{}, fmt.Errorf("update user phone: %w", err)
}
date := req.Date
if date == 0 {
date = int(time.Now().Unix())
}
event := domain.UpdateEvent{
UserID: req.UserID,
Type: domain.UpdateEventUserPhone,
Date: date,
Phone: req.Phone,
PtsCount: 1,
}
event.Pts, err = reserveUserPts(ctx, tx, req.UserID, event.PtsCount)
if err != nil {
return domain.PhoneChangeResult{}, fmt.Errorf("reserve phone change pts: %w", err)
}
if err := appendUserUpdateEvent(ctx, tx, qtx, req.UserID, event); err != nil {
return domain.PhoneChangeResult{}, fmt.Errorf("append phone change event: %w", err)
}
if err := enqueueDispatch(ctx, qtx, sqlcgen.EnqueueDispatchParams{
TargetUserID: req.UserID,
Pts: int32(event.Pts),
EventType: string(event.Type),
ExcludeAuthKeyID: authKeyIDToInt64(req.ExcludeAuthKeyID),
ExcludeSessionID: req.ExcludeSessionID,
}); err != nil {
return domain.PhoneChangeResult{}, fmt.Errorf("enqueue phone change dispatch: %w", err)
}
if err := tx.Commit(ctx); err != nil {
if isUniqueConstraint(err, "users_phone_unique_idx") {
return domain.PhoneChangeResult{}, domain.ErrPhoneNumberOccupied
}
return domain.PhoneChangeResult{}, fmt.Errorf("commit phone change: %w", err)
}
committed = true
return domain.PhoneChangeResult{User: userFromModel(row), Event: event, Changed: true}, nil
}