initial commit

backend/internal/user/handler.go

@@ -0,0 +1 @@
+package user

backend/internal/user/model.go

@@ -0,0 +1,62 @@
+package user
+
+import (
+	"database/sql"
+	"time"
+
+	"golang.org/x/crypto/bcrypt"
+)
+
+type User struct {
+	ID           string    `json:"id"`
+	Email        string    `json:"email"`
+	Name         string    `json:"name"`
+	PasswordHash string    `json:"-"`
+	CreatedAt    time.Time `json:"created_at"`
+	UpdatedAt    time.Time `json:"updated_at"`
+	Role         []string  `json:"role"`
+}
+
+// type Repository interface {
+// 	Create(ctx context.Context, u *User) error
+// 	GetByID(ctx context.Context, id int64) (*User, error)
+// 	GetByEmail(ctx context.Context, email string) (*User, error)
+// 	Update(ctx context.Context, u *User) error
+// 	Delete(ctx context.Context, id int64) error
+// 	List(ctx context.Context, limit, offset int) ([]*User, error)
+// 	CheckPasswordHash(email string, password string) bool
+// }
+
+func GetUserByEmail(db *sql.DB, email string) (*User, error) {
+	row := db.QueryRow("SELECT id, email, password_hash, role FROM users WHERE email=$1", email)
+	var user User
+	err := row.Scan(&user.ID, &user.Email, &user.PasswordHash, &user.Role)
+	if err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+func CheckPasswordHash(db *sql.DB, email string, password string) bool {
+	row := db.QueryRow("SELECT password_hash FROM users WHERE email=$1", email)
+	var hash string
+	if err := row.Scan(&hash); err != nil {
+		return false
+	}
+	UserPasswordHash, error := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if error != nil {
+		return false
+	}
+	return bcrypt.CompareHashAndPassword([]byte(hash), []byte(UserPasswordHash)) == nil
+}
+
+func CreateUser(db *sql.DB, email string, name string, password string, role []string) error {
+	passwordHash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if err != nil {
+		return err
+	}
+
+	_, err = db.Exec("INSERT INTO users (email, name, password_hash, role, created_at, updated_at) VALUES ($1, $2, $3, $4, $5, $6)",
+		email, name, string(passwordHash), role, time.Now(), time.Now())
+	return err
+}