add/rm tokens, register with token

repositories/registerTokenRepository.go

@@ -1,6 +1,7 @@
 package repositories
 
 import (
+	"errors"
 	"fmt"
 
 	"gorm.io/gorm"
@@ -59,9 +60,13 @@ func (t *GORMRegisterTokenRepository) GetAll() ([]models.RegisterToken, error) {
 
 func (t *GORMRegisterTokenRepository) Exists(tokenString string) (bool, error) {
 	var token models.RegisterToken
-	result := t.DB.First(&token, tokenString)
+	result := t.DB.First(&token, "token = ?", tokenString)
 
 	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return false, nil
+		}
+
 		return false, result.Error
 	}