okay update

Author: xonx4l

bysService/bysService.go

@@ -0,0 +1,35 @@
+package byservice 
+
+import "context"
+
+type Byservice struct {
+}
+// DTO (DATA TRANSFER OBJECT)
+type FooReq struct {
+	Username string
+	Email    string 
+
+}
+
+type SignupResp struct{
+	ID string 
+}
+
+func (d*bysService) SignUp(ctx context.Context, username , email string ) (*SignupResp, error){
+	userName, err := user.NewUsername(username)
+	id err != nil{
+	  return nil, err
+  }
+	userEmail, err := user.NewEmail(email)
+	 if err != nil {
+		return nil, err
+  }
+
+  u := user.New(UserEmail,userName)
+
+  // pass to repos
+
+  return &SignupResp{
+	ID: u.ID.String(),
+  }, nil
+}

bysService/main.go

@@ -0,0 +1 @@
+

domain/user/user.go

@@ -0,0 +1,59 @@
+package user 
+
+import "errors"
+       "github.com/google/uuid"
+
+var (
+	ErrInvalidID=errors.New("invalid id providec")
+)
+type User struct{
+	ID        ID
+	username  username 
+	email     email
+}
+
+func New (email Email, username Username) user {
+	 return User{
+		ID: ID(uuid.Newstring()),
+		Email: email,
+		username: username ,
+	 }
+} 
+
+type ID string 
+
+func NewID(id string ) (ID, error) {
+     //domain logic comes in  
+	_, err := uuid.Parse(i)
+    if err !-= nil {
+		return "", errors.Join(err, ErrInvalidID)
+}
+	return ID(i), nil
+}
+
+func (i ID) string() string {
+	return string (i)
+}
+
+type Email string 
+
+func NewEmail(e string ) (Email,error) {
+	//domain logic comes in 
+	// validate it is an valid email
+	return Email(e), nil
+}
+
+func (e Email) string() string {
+	return string(e)
+}
+
+type username string 
+
+func NewUsername(u string ) (username, error) {
+	// domain logic comes in 
+	// validate it is an valid email
+	return username (u), nil 
+}
+func (u Username ) string () string {
+	return string (u)
+}