Добавлен основные классы для сервиса авторизаци

internal/Dtos.go

@@ -1,37 +1,49 @@
 package internal
 
-type RegistrationUser struct {
-	Username         string `json:"username"`
-	Password         string `json:"password"`
-}
-
-const (
-	Student UserRole = iota
-	Teacher
-	Admin
+import (
+	"errors"
+	"fmt"
 )
 
 type User struct {
-	Username string
-	Password string
-	UserRole UserRole
+	Id       int    `json:"-" db:"id"`
+	Name     string `json:"name" 	 binding:"required"`
+	Username string `json:"username" binding:"required"`
+	Password string `json:"password" binding:"required"`
+	UserRole string `json:"-" db:"role"`
 }
 
-func (user *User) ChangeRole(userRole UserRole) {
-	user.UserRole = userRole
+type AuthUser struct {
+	Username string `json:"username" binding:"required"`
+	Password string `json:"password" binding:"required"`
 }
 
-type UserRole int
+type RefreshTokenRequest struct {
+	RefreshToken string `json:"refreshToken" binding:"required"`
+}
 
-func (role UserRole) String() string {
-	switch role {
-	case Student:
-		return "student"
-	case Teacher:
-		return "teacher"
-	case Admin:
-		return "admin"
-	default:
-		return "unknown"
+type UserRole string
+
+const (
+	Student UserRole = "student"
+	Teacher UserRole = "teacher"
+	Admin   UserRole = "admin"
+)
+
+func (userrole UserRole) ToString() string {
+	return string(userrole)
+}
+
+var ErrInvalidRole = errors.New("invalid role")
+
+func FromString(in string) (UserRole, error) {
+	switch in {
+	case Student.ToString():
+		return Student, nil
+	case Teacher.ToString():
+		return Teacher, nil
+	case Admin.ToString():
+		return Admin, nil
 	}
+	return Student, fmt.Errorf("%q is not a valid role: %w", in, ErrInvalidRole)
 }