Initial commit

internal/domain/entities/user.go

@@ -0,0 +1,42 @@
+package entities
+
+import (
+	"errors"
+
+	"github.com/google/uuid"
+)
+
+const UserTable = "users"
+
+type User struct {
+	Id       uuid.UUID `db:"id"`
+	UserName string    `db:"username"`
+	Password string    `db:"password"`
+}
+
+func CreateUser(userName string, password string) (user User, err error) {
+	user = User{
+		Id:       uuid.New(),
+		UserName: userName,
+		Password: password,
+	}
+
+	err = user.Validate()
+
+	return
+}
+
+func (u *User) Validate() error {
+	if err := uuid.Validate(u.Id.String()); err != nil {
+		return errors.New("Invalid user.id")
+	}
+	if u.UserName == "" {
+		return errors.New("Empty user.name")
+	}
+
+	if u.Password == "" {
+		return errors.New("Empty user.password")
+	}
+
+	return nil
+}