Finished implementing refresh in a separate thread.

src/gtfs/structs.rs

@@ -14,26 +14,25 @@ pub struct Preferences {
 #[derive(Debug)]
 pub struct Gtfs {
     /// All agencies. They can not be read by `agency_id`, as it is not a required field
-    pub agencies: Vec<Agency>,
+    pub(crate) agencies: Vec<Agency>,
     /// All Calendar by `service_id`
-    pub calendar: HashMap<String, Calendar>,
+    pub(crate) calendar: HashMap<String, Calendar>,
     /// All calendar dates grouped by service_id
-    pub calendar_dates: HashMap<String, Vec<CalendarDate>>,
+    pub(crate) calendar_dates: HashMap<String, Vec<CalendarDate>>,
     /// All routes by `route_id`
-    pub routes: HashMap<String, Route>,
+    pub(crate) routes: HashMap<String, Route>,
     /// All stop by `stop_id`.
-    pub stops: HashMap<String, Stop>,
+    pub(crate) stops: HashMap<String, Stop>,
     /// All trips by trip_id
-    pub trips: HashMap<String, RawTrip>,
+    pub(crate) trips: HashMap<String, RawTrip>,
     /// Stop times for the chosen stops and the chosen routes
-    pub stop_times: HashMap<(String, u32), RawStopTime>,
+    pub(crate) stop_times: HashMap<(String, u32), RawStopTime>,
 }
 
 
 #[derive(Debug)]
-
 pub struct Arrival<'a> {
+    pub departure_time: NaiveTime,
     pub route: &'a Route,
     pub stop: &'a Stop,
-    pub departure_time: NaiveTime,
 }