clean code; if logged out: save url where user tried to go to, go there once logged in, Fixes #179

src/model/mail.rs

@@ -1,12 +1,8 @@
 use std::error::Error;
 
 use lettre::{
-    message::{
-        header::{self, ContentType},
-        MultiPart, SinglePart,
-    },
-    transport::smtp::authentication::Credentials,
-    Message, SmtpTransport, Transport,
+    message::header::ContentType, transport::smtp::authentication::Credentials, Message,
+    SmtpTransport, Transport,
 };
 use sqlx::SqlitePool;
 
@@ -17,7 +13,7 @@ use super::{family::Family, role::Role, user::User};
 pub struct Mail {}
 
 impl Mail {
-    pub async fn send(db: &SqlitePool, data: MailToSend<'_>, smtp_pw: String) -> bool {
+    pub async fn send(db: &SqlitePool, data: MailToSend, smtp_pw: String) -> bool {
         let mut email = Message::builder()
             .from(
                 "ASKÖ Ruderverein Donau Linz <no-reply@rudernlinz.at>"