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/// implementation of traits to query zugportal.de
/// (available at least in the Munich S-Bahn, maybe other trains)
use chrono::{DateTime, Utc};
use serde::Deserialize;
use crate::onboard;
use crate::onboard::{OnBoardAPI, OnBoardInfo};
use crate::{traits::*, travelynx::TrainRef};
pub struct Zugportal {}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Journey {
name: String, // the line's name, e.g. S 8
no: i64,
stops: Vec<Stop>
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Stop {
station: Station,
status: String, // one of "Normal", ...?
track: Track,
messages: Vec<String>,
arrival_time: Option<DepartureTime>,
departure_time: Option<DepartureTime>
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct Station {
eva_no: String,
name: String
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct Track {
target: String,
prediction: String
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct DepartureTime {
target: DateTime<Utc>,
predicted: DateTime<Utc>,
time_type: String, // one of REAL, PREVIEW, ..?
diff: i64 // diff in minutes?
// NOTE: also sends predictedTimeInMs and targetTimeInMs; these might be unix times
}
impl IsStation for Stop {
fn name(&self) -> &str {
&self.station.name
}
fn scheduled_arrival(&self) -> Option<&chrono::DateTime<Utc>> {
self.arrival_time.as_ref().map(|t| &t.target)
}
fn real_arrival(&self) -> Option<&chrono::DateTime<Utc>> {
self.arrival_time.as_ref().map(|t| &t.predicted)
}
fn ds100(&self) -> &str {
"??"
}
}
impl std::fmt::Display for Stop {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.station.name)
}
}
impl OnBoardInfo for Journey {
fn guess_last_station(&self) -> Option<&dyn IsStation> {
todo!()
}
fn get_train_ref(&self) -> TrainRef {
TrainRef {
_type: self.name.clone(),
no: self.no.to_string().clone()
}
}
fn stops<'a>(
&'a self
) -> Box<dyn std::iter::Iterator<Item = &'a dyn IsStation> + 'a> {
Box::new(self.stops.iter().map(|s| s as &dyn IsStation))
}
}
impl OnBoardAPI for Zugportal {
fn apiurl(&self) -> &'static str {
"https://zugportal.de/prd/zupo-travel-information/api/public/ri/journey"
}
fn request(
&self,
debug: bool
) -> Result<Box<dyn OnBoardInfo>, serde_json::Error> {
onboard::request::<_, Journey>(self, debug)
}
}
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