recude probability to lock people out; Fixes #45

locales/de-AT.yml

@@ -178,6 +178,7 @@ cant_update_pw_if_already_existing_for_user: "Kann kein neues Passwort für %{us
 cant_update_pw_with_wrong_code: "Falscher Code zum Setzen eines neuen Passworts für %{user}"
 new_pw_for_user: "Neues Passwort für %{user} setzen"
 pw_set: "Passwort erfolgreich gesetzt"
+cant_delete_last_admin: "Du kannst den letzten Admin nicht löschen"
 
 
 # 

src/admin/user/mod.rs

@@ -1,7 +1,7 @@
 use super::generate_random_alphanumeric;
-use crate::{AppState, auth::User};
+use crate::{auth::User, AppState};
 use argon2::password_hash::rand_core::OsRng;
-use argon2::{Argon2, PasswordHasher, password_hash::SaltString};
+use argon2::{password_hash::SaltString, Argon2, PasswordHasher};
 use axum::Router;
 use sqlx::SqlitePool;
 
@@ -82,6 +82,10 @@ impl User {
     }
 
     async fn delete(&self, db: &SqlitePool) -> Result<(), String> {
+        let users = User::all(db).await;
+        if users.len() == 1 {
+            return Err(t!("cant_delete_last_admin").into());
+        }
         sqlx::query!("DELETE FROM user WHERE id = ?", self.id)
             .execute(db)
             .await