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|
use serde::{Deserialize, Deserializer};
use chrono::{DateTime, Local, Utc};
use colored::*;
use crate::serde::*;
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Station {
name: String,
ds100: String,
uic: u64,
latitude: f64,
longitude: f64,
#[serde(deserialize_with = "naive_read_unixtime")]
scheduled_time: DateTime<Utc>,
#[serde(deserialize_with = "naive_read_unixtime")]
real_time: DateTime<Utc>
}
pub fn parse_optional_station<'de, D>(d: D) -> Result<Option<Station>, D::Error>
where
D: Deserializer<'de>
{
let val = <serde_json::Value>::deserialize(d)?;
match serde_json::from_value(val) {
Ok(station) => Ok(Some(station)),
Err(_) => Ok(None)
}
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Stop {
name: String,
#[serde(deserialize_with = "option_naive_read_unixtime")]
scheduled_arrival: Option<DateTime<Utc>>,
#[serde(deserialize_with = "option_naive_read_unixtime")]
real_arrival: Option<DateTime<Utc>>,
#[serde(deserialize_with = "option_naive_read_unixtime")]
scheduled_departure: Option<DateTime<Utc>>,
#[serde(deserialize_with = "option_naive_read_unixtime")]
real_departure: Option<DateTime<Utc>>
}
pub trait IsStation {
fn name(&self) -> &str;
fn scheduled_arrival(&self) -> Option<&DateTime<Utc>>;
fn real_arrival(&self) -> Option<&DateTime<Utc>>;
fn ds100(&self) -> &str;
fn to_fancy_string(&self) -> String {
format!(
"{} {} – {} ({})",
self
.real_arrival() // chrono's API for timezones is expressive, but reads like c++ …
.map(|t| <DateTime<Local>>::from(*t).time().to_string())
.unwrap_or("??:??:??".to_string())
.blue(),
{
let delay = match (self.real_arrival(), self.scheduled_arrival()) {
(Some(a), Some(s)) => (a.time() - s.time()).num_minutes(),
_ => 0
};
let text = format!("({:+})", delay);
if delay > 0 {
text.red()
} else {
text.green()
}
},
self.ds100().red(),
self.name()
)
}
}
impl IsStation for Station {
fn name(&self) -> &str {
&self.name
}
fn scheduled_arrival(&self) -> Option<&DateTime<Utc>> {
Some(&self.scheduled_time)
}
fn real_arrival(&self) -> Option<&DateTime<Utc>> {
Some(&self.real_time)
}
fn ds100(&self) -> &str {
&self.ds100
}
}
impl IsStation for Stop {
fn name(&self) -> &str {
&self.name
}
fn scheduled_arrival(&self) -> Option<&DateTime<Utc>> {
self.scheduled_arrival.as_ref()
}
fn real_arrival(&self) -> Option<&DateTime<Utc>> {
self.real_arrival.as_ref()
}
fn ds100(&self) -> &str {
"[??]"
}
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Train {
#[serde(rename = "type")]
_type: String,
line: Option<String>,
no: String,
id: String
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Status {
deprecated: bool,
pub checked_in: bool,
from_station: Station,
#[serde(deserialize_with = "parse_optional_station")]
pub to_station: Option<Station>,
intermediate_stops: Vec<Stop>,
train: Option<Train>,
action_time: u64
}
#[allow(dead_code)]
pub struct Ds100 {
inner: String
}
pub struct Trip<'a, S: IsStation>(pub &'a Vec<S>);
impl std::fmt::Display for Train {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{} {}", self._type, self.no)
}
}
#[allow(unstable_name_collisions)]
impl<S: IsStation> std::fmt::Display for Trip<'_, S> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
if self.0.len() != 0 {
self
.0
.iter()
.map(|stop| stop.to_fancy_string())
// .intersperse(" ↓".to_string())
.for_each(|l| writeln!(f, " {}\n ↓", l).unwrap());
}
Ok(())
}
}
impl std::fmt::Display for Status {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self.checked_in {
false => write!(
f,
"not checked in. \n\n\
last trip: \n {} {}",
self.from_station.to_fancy_string(),
self.to_station.as_ref().unwrap().to_fancy_string()
),
true => write!(
f,
"checked in to: {}.\n\n\
stops:\n {}\n ↓\n{} {}",
self
.train
.as_ref()
.map(|t| t.to_string())
.unwrap_or("".to_string())
.green(),
self.from_station.to_fancy_string(),
Trip(&self.intermediate_stops),
self
.to_station
.as_ref()
.map(|s| s.to_fancy_string())
.unwrap_or_else(|| "🚄 Fahrt ins Blaue".blue().to_string())
)
}
}
}
|
