backup: pre-hardening baseline

backend/internal/database/repositories/user.go

@@ -0,0 +1,56 @@
+package repositories
+
+import (
+	"database/sql"
+	"time"
+
+	"github.com/traefik/traefik-gui/backend/internal/models"
+)
+
+type UserRepository struct {
+	db *sql.DB
+}
+
+func NewUserRepository(db *sql.DB) *UserRepository {
+	return &UserRepository{db: db}
+}
+
+func (r *UserRepository) GetByID(id string) (*models.User, error) {
+	user := &models.User{}
+	err := r.db.QueryRow(
+		`SELECT id, username, email, password_hash, role, created_at, updated_at, last_login
+		FROM users WHERE id = ?`, id,
+	).Scan(&user.ID, &user.Username, &user.Email, &user.PasswordHash, &user.Role, &user.CreatedAt, &user.UpdatedAt, &user.LastLogin)
+	if err == sql.ErrNoRows {
+		return nil, nil
+	}
+	return user, err
+}
+
+func (r *UserRepository) GetByUsername(username string) (*models.User, error) {
+	user := &models.User{}
+	err := r.db.QueryRow(
+		`SELECT id, username, email, password_hash, role, created_at, updated_at, last_login
+		FROM users WHERE username = ?`, username,
+	).Scan(&user.ID, &user.Username, &user.Email, &user.PasswordHash, &user.Role, &user.CreatedAt, &user.UpdatedAt, &user.LastLogin)
+	if err == sql.ErrNoRows {
+		return nil, nil
+	}
+	return user, err
+}
+
+func (r *UserRepository) UpdateLastLogin(id string) error {
+	_, err := r.db.Exec(
+		`UPDATE users SET last_login = ?, updated_at = ? WHERE id = ?`,
+		time.Now(), time.Now(), id,
+	)
+	return err
+}
+
+func (r *UserRepository) Create(user *models.User) error {
+	_, err := r.db.Exec(
+		`INSERT INTO users (id, username, email, password_hash, role) VALUES (?, ?, ?, ?, ?)`,
+		user.ID, user.Username, user.Email, user.PasswordHash, user.Role,
+	)
+	return err
+}