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/// implementation of traits to query the iceportal.de
/// (available in high speed trains in DE)
use chrono::{DateTime, Utc};
use serde::Deserialize;
use serde_json::Value;
use crate::onboard;
use crate::onboard::{OnBoardAPI, OnBoardInfo};
use crate::{serde::*, traits::*, travelynx::TrainRef};
pub struct Iceportal {}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct TripInfo {
trip: Trip,
connection: Option<Value>,
selected_route: Option<Value>,
active: Option<Value>
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct Trip {
train_type: String,
vzn: String, // train number
// some position info here
actual_position: u64, // distance along track, presumably
stops: Vec<Stop>
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Stop {
info: StopInfo,
station: Station,
timetable: Timetable
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct StopInfo {
distance_from_start: u64,
position_status: String // one of "departed", "future", ... ?
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct Station {
eva_nr: String,
name: String
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct Timetable {
#[serde(deserialize_with = "option_naive_read_unixtime_db")]
scheduled_arrival_time: Option<DateTime<Utc>>,
#[serde(deserialize_with = "option_naive_read_unixtime_db")]
actual_arrival_time: Option<DateTime<Utc>>
}
impl IsStation for Stop {
fn name(&self) -> &str {
&self.station.name
}
fn scheduled_arrival(&self) -> Option<&chrono::DateTime<Utc>> {
self.timetable.scheduled_arrival_time.as_ref()
}
fn real_arrival(&self) -> Option<&chrono::DateTime<Utc>> {
self.timetable.scheduled_arrival_time.as_ref()
}
fn ds100(&self) -> &str {
"??"
}
}
impl OnBoardInfo for TripInfo {
fn guess_last_station(&self) -> Option<&dyn IsStation> {
let current_pos = self.trip.actual_position;
self
.trip
.stops
.iter()
.rev()
.map(|stop| (stop.info.distance_from_start, stop))
.filter(|(dist, _)| dist <= ¤t_pos)
.next()
.map(|(_, stop)| stop as &dyn IsStation)
}
fn get_train_ref(&self) -> TrainRef {
TrainRef {
_type: self.trip.train_type.clone(),
no: self.trip.vzn.clone()
}
}
fn stops<'a>(
&'a self
) -> Box<dyn std::iter::Iterator<Item = &'a dyn IsStation> + 'a> {
Box::new(self.trip.stops.iter().map(|s| s as &dyn IsStation))
}
}
impl std::fmt::Display for Stop {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.station.name)
}
}
impl OnBoardAPI for Iceportal {
fn apiurl(&self) -> &'static str {
"https://iceportal.de/api1/rs/tripInfo/trip"
}
fn request(
&self,
debug: bool
) -> Result<Box<dyn OnBoardInfo>, serde_json::Error> {
onboard::request::<_, TripInfo>(self, debug)
}
}
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