add method to encrypt password

internal/photos/models/account.go

@@ -18,8 +18,12 @@ type Account struct {
 }
 
 func (a *Account) BeforeCreate(tx *gorm.DB) error {
+	a.EncryptPassword()
+	return nil
+}
+
+func (a *Account) EncryptPassword() {
 	sha1 := crypto.SHA256.New()
 	sha1.Write([]byte(a.Password))
 	a.EncryptedPassword = base64.StdEncoding.EncodeToString(sha1.Sum(nil))
-	return nil
 }