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internal/store/session_store.go

@@ -0,0 +1,60 @@
+package store
+
+import (
+	"context"
+	"sync"
+	"time"
+
+	"5803025020/w04/internal/models"
+	"github.com/jackc/pgx/v5"
+)
+
+type SessionStore struct {
+	conn *pgx.Conn
+	mu   *sync.Mutex
+}
+
+func NewSessionStore(conn *pgx.Conn, optMu ...*sync.Mutex) *SessionStore {
+	var mu *sync.Mutex
+	if len(optMu) > 0 && optMu[0] != nil {
+		mu = optMu[0]
+	} else {
+		mu = &sync.Mutex{}
+	}
+	return &SessionStore{conn: conn, mu: mu}
+}
+
+func (s *SessionStore) Create(ctx context.Context, session *models.Session) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	if session.CreatedAt.IsZero() {
+		session.CreatedAt = time.Now()
+	}
+
+	query := `INSERT INTO sessions (token, user_id, created_at) VALUES ($1, $2, $3)`
+	_, err := s.conn.Exec(ctx, query, session.Token, session.UserID, session.CreatedAt)
+	return err
+}
+
+func (s *SessionStore) Get(ctx context.Context, token string) (*models.Session, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	var sess models.Session
+	query := `SELECT token, user_id, created_at FROM sessions WHERE token = $1`
+	err := s.conn.QueryRow(ctx, query, token).Scan(&sess.Token, &sess.UserID, &sess.CreatedAt)
+	if err != nil {
+		return nil, err
+	}
+	return &sess, nil
+}
+
+func (s *SessionStore) Delete(ctx context.Context, token string) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	query := `DELETE FROM sessions WHERE token = $1`
+	_, err := s.conn.Exec(ctx, query, token)
+	return err
+}