68 lines
2.1 KiB
Rust
68 lines
2.1 KiB
Rust
use std::collections::HashMap;
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use crate::bahn_api::{
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basic_types::station_ids::{DbStopId, StationEvaNumber, StationIdRef},
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transport_modes::TransportModesSet,
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};
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pub struct Stations {
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pub stations: HashMap<StationEvaNumber, Station>,
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}
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pub struct Station {
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pub name: String,
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pub db_station_id: DbStopId,
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pub lat_lon: Option<(f64, f64)>,
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pub transport_modes: Option<TransportModesSet>,
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}
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impl Stations {
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pub fn new() -> Self {
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Self {
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stations: HashMap::new(),
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}
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}
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pub fn insert(&mut self, eva_number: StationEvaNumber, station: Station) {
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if let Some(prev) = self.stations.get_mut(&eva_number) {
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// partial update: if we had more information than the new `station` has,
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// keep parts of the old information, but wherever the new `station` has
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// information, use the newer information.
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#[allow(dead_code, unreachable_code)]
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fn never_called() -> Station {
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// NOTE: this is here in case the contents of `Station` change,
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// as a reminder that the partial update must be adjusted too.
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Station {
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name: String::new(),
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db_station_id: DbStopId(unreachable!()),
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lat_lon: None,
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transport_modes: None,
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}
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}
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prev.name = station.name;
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prev.db_station_id = station.db_station_id;
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if let Some(v) = station.lat_lon {
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prev.lat_lon = Some(v);
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}
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if let Some(v) = station.transport_modes {
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prev.transport_modes = Some(v);
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}
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} else {
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self.stations.insert(eva_number, station);
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}
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}
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pub fn get(&mut self, eva_number: &StationEvaNumber) -> Option<&Station> {
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self.stations.get(eva_number)
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}
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}
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impl<'a> From<(&'a StationEvaNumber, &'a Station)> for StationIdRef<'a> {
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fn from(value: (&'a StationEvaNumber, &'a Station)) -> Self {
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StationIdRef {
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eva_number: value.0,
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db_station_id: &value.1.db_station_id,
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}
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}
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}
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