feat: support calling get-user API by only email, phone or userId without owner (#2398)

controllers/user.go

@@ -160,6 +160,18 @@ func (c *ApiController) GetUser() {
 		id = util.GetId(userFromUserId.Owner, userFromUserId.Name)
 	}
 
+	var user *object.User
+
+	if id == "" && owner == "" {
+		switch {
+		case email != "":
+			user, err = object.GetUserByEmailOnly(email)
+		case phone != "":
+			user, err = object.GetUserByPhoneOnly(phone)
+		case userId != "":
+			user, err = object.GetUserByUserIdOnly(userId)
+		}
+	} else {
 		if owner == "" {
 			owner = util.GetOwnerFromId(id)
 		}
@@ -179,7 +191,6 @@ func (c *ApiController) GetUser() {
 			}
 		}
 
-	var user *object.User
 		switch {
 		case email != "":
 			user, err = object.GetUserByEmail(owner, email)
@@ -190,6 +201,7 @@ func (c *ApiController) GetUser() {
 		default:
 			user, err = object.GetUser(id)
 		}
+	}
 
 	if err != nil {
 		c.ResponseError(err.Error())

object/user.go

@@ -372,6 +372,24 @@ func GetUserByEmail(owner string, email string) (*User, error) {
 	}
 }
 
+func GetUserByEmailOnly(email string) (*User, error) {
+	if email == "" {
+		return nil, nil
+	}
+
+	user := User{Email: email}
+	existed, err := ormer.Engine.Get(&user)
+	if err != nil {
+		return nil, err
+	}
+
+	if existed {
+		return &user, nil
+	} else {
+		return nil, nil
+	}
+}
+
 func GetUserByPhone(owner string, phone string) (*User, error) {
 	if owner == "" || phone == "" {
 		return nil, nil
@@ -390,6 +408,24 @@ func GetUserByPhone(owner string, phone string) (*User, error) {
 	}
 }
 
+func GetUserByPhoneOnly(phone string) (*User, error) {
+	if phone == "" {
+		return nil, nil
+	}
+
+	user := User{Phone: phone}
+	existed, err := ormer.Engine.Get(&user)
+	if err != nil {
+		return nil, err
+	}
+
+	if existed {
+		return &user, nil
+	} else {
+		return nil, nil
+	}
+}
+
 func GetUserByUserId(owner string, userId string) (*User, error) {
 	if owner == "" || userId == "" {
 		return nil, nil