Tuas W06
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@@ -2,6 +2,7 @@ package store
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import (
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"context"
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"errors"
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"sync"
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"time"
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@@ -9,6 +10,9 @@ import (
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"github.com/jackc/pgx/v5"
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)
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// ErrSessionNotFound dikembalikan saat token sesi tidak ditemukan (atau sudah dihapus).
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var ErrSessionNotFound = errors.New("session not found")
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type SessionStore struct {
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conn *pgx.Conn
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mu *sync.Mutex
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@@ -45,16 +49,28 @@ func (s *SessionStore) Get(ctx context.Context, token string) (*models.Session,
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query := `SELECT token, user_id, created_at FROM sessions WHERE token = $1`
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err := s.conn.QueryRow(ctx, query, token).Scan(&sess.Token, &sess.UserID, &sess.CreatedAt)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return nil, ErrSessionNotFound
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}
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return nil, err
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}
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return &sess, nil
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}
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// Delete menghapus token sesi. Jika token tidak ditemukan (sudah dihapus atau
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// tidak pernah ada), ia mengembalikan ErrSessionNotFound tanpa panic — memanggil
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// Delete dua kali dengan token yang sama aman dan tidak menghapus token lain.
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func (s *SessionStore) Delete(ctx context.Context, token string) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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query := `DELETE FROM sessions WHERE token = $1`
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_, err := s.conn.Exec(ctx, query, token)
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return err
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tag, err := s.conn.Exec(ctx, query, token)
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if err != nil {
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return err
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}
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if tag.RowsAffected() == 0 {
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return ErrSessionNotFound
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}
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return nil
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}
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