onasty/internal/store/psql/changeemailrepo/changeemailrepo.go (view raw)
Olexandr Smirnov
Olexandr Smirnov
olexsmir@gmail.com fix(changeemailrepo): use correct version of pgx (#193), 9 months ago
olexsmir@gmail.com fix(changeemailrepo): use correct version of pgx (#193), 9 months ago
| 1 | package changeemailrepo |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "time" |
| 7 | |
| 8 | "github.com/jackc/pgx/v5" |
| 9 | "github.com/olexsmir/onasty/internal/models" |
| 10 | "github.com/olexsmir/onasty/internal/store/psqlutil" |
| 11 | ) |
| 12 | |
| 13 | type ChangeEmailStorer interface { |
| 14 | // Create create a change email token. |
| 15 | Create(ctx context.Context, input models.ChangeEmailToken) error |
| 16 | |
| 17 | // GetByToken returns change email token by its token. |
| 18 | // Returns [models.ErrChangeEmailTokenNotFound] if not found. |
| 19 | GetByToken(ctx context.Context, token string) (models.ChangeEmailToken, error) |
| 20 | |
| 21 | // MarkAsUsed marks change email token as used. |
| 22 | // If not found, returns [models.ErrChangeEmailTokenNotFound]. |
| 23 | // If token is already used, returns [models.ErrChangeEmailTokenIsAlreadyUsed]. |
| 24 | // If token is expired, returns [models.ErrChangeEmailTokenExpired] |
| 25 | MarkAsUsed(ctx context.Context, token string, usedAT time.Time) error |
| 26 | } |
| 27 | |
| 28 | var _ ChangeEmailStorer = (*ChangeEmailRepo)(nil) |
| 29 | |
| 30 | type ChangeEmailRepo struct { |
| 31 | db *psqlutil.DB |
| 32 | } |
| 33 | |
| 34 | func New(db *psqlutil.DB) *ChangeEmailRepo { |
| 35 | return &ChangeEmailRepo{ |
| 36 | db: db, |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | func (c *ChangeEmailRepo) Create(ctx context.Context, inp models.ChangeEmailToken) error { |
| 41 | query := `--sql |
| 42 | insert into change_email_tokens (user_id, new_email, token, created_at, expires_at) |
| 43 | values ($1, $2, $3, $4, $5) |
| 44 | ` |
| 45 | |
| 46 | _, err := c.db.Exec(ctx, query, |
| 47 | inp.UserID, inp.NewEmail, inp.Token, inp.CreatedAt, inp.ExpiresAt) |
| 48 | return err |
| 49 | } |
| 50 | |
| 51 | func (c *ChangeEmailRepo) GetByToken( |
| 52 | ctx context.Context, |
| 53 | token string, |
| 54 | ) (models.ChangeEmailToken, error) { |
| 55 | query := `--sql |
| 56 | select user_id, new_email, token, created_at, expires_at |
| 57 | from change_email_tokens |
| 58 | where token = $1 |
| 59 | ` |
| 60 | |
| 61 | var res models.ChangeEmailToken |
| 62 | err := c.db.QueryRow(ctx, query, token). |
| 63 | Scan(&res.UserID, &res.NewEmail, &res.Token, &res.CreatedAt, &res.ExpiresAt) |
| 64 | if errors.Is(err, pgx.ErrNoRows) { |
| 65 | return models.ChangeEmailToken{}, models.ErrChangeEmailTokenNotFound |
| 66 | } |
| 67 | |
| 68 | return res, err |
| 69 | } |
| 70 | |
| 71 | func (c *ChangeEmailRepo) MarkAsUsed(ctx context.Context, token string, usedAT time.Time) error { |
| 72 | tx, err := c.db.Begin(ctx) |
| 73 | if err != nil { |
| 74 | return err |
| 75 | } |
| 76 | defer tx.Rollback(ctx) //nolint:errcheck |
| 77 | |
| 78 | var isUsed bool |
| 79 | var expiresAt time.Time |
| 80 | err = tx.QueryRow(ctx, |
| 81 | "select (used_at is not null), expires_at from change_email_tokens where token = $1", |
| 82 | token). |
| 83 | Scan(&isUsed, &expiresAt) |
| 84 | if err != nil { |
| 85 | if errors.Is(err, pgx.ErrNoRows) { |
| 86 | return models.ErrChangeEmailTokenNotFound |
| 87 | } |
| 88 | return err |
| 89 | } |
| 90 | |
| 91 | if isUsed { |
| 92 | return models.ErrChangeEmailTokenIsAlreadyUsed |
| 93 | } |
| 94 | |
| 95 | if time.Now().After(expiresAt) { |
| 96 | return models.ErrChangeEmailTokenExpired |
| 97 | } |
| 98 | |
| 99 | query := `--sql |
| 100 | update change_email_tokens |
| 101 | set used_at = $1 |
| 102 | where token = $2` |
| 103 | |
| 104 | _, err = tx.Exec(ctx, query, usedAT, token) |
| 105 | if err != nil { |
| 106 | return err |
| 107 | } |
| 108 | |
| 109 | return tx.Commit(ctx) |
| 110 | } |