Ignore auto login variable if it is empty

moneymgr_backend/src/app_config.rs

@@ -29,7 +29,7 @@ pub struct AppConfig {
     /// Unsecure : for development, bypass authentication, using the account with the given
     /// email address by default
     #[clap(long, env)]
-    pub unsecure_auto_login_email: Option<String>,
+    unsecure_auto_login_email: Option<String>,
 
     /// PostgreSQL database host
     #[clap(long, env, default_value = "localhost")]
@@ -148,9 +148,17 @@ impl AppConfig {
         &ARGS
     }
 
+    /// Get auto login email (if not empty)
+    pub fn unsecure_auto_login_email(&self) -> Option<&str> {
+        match self.unsecure_auto_login_email.as_deref() {
+            None | Some("") => None,
+            s => s,
+        }
+    }
+
     /// Check if auth is disabled
     pub fn is_auth_disabled(&self) -> bool {
-        self.unsecure_auto_login_email.is_some()
+        self.unsecure_auto_login_email().is_some()
     }
 
     /// Get auth cookie domain