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use serde::{Deserialize, Deserializer};
use chrono::NaiveDateTime;
use colored::*;
use itertools::Itertools;
#[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: NaiveDateTime,
#[serde(deserialize_with = "naive_read_unixtime")]
real_time: NaiveDateTime,
}
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)
}
}
fn naive_read_unixtime<'de, D>(d: D) -> Result<NaiveDateTime, D::Error>
where
D: Deserializer<'de>,
{
let ts = <i64>::deserialize(d)?;
Ok(NaiveDateTime::from_timestamp(ts, 0))
}
fn option_naive_read_unixtime<'de, D>(d: D) -> Result<Option<NaiveDateTime>, D::Error>
where
D: Deserializer<'de>,
{
match <i64>::deserialize(d) {
Ok(ts) =>
Ok(Some(NaiveDateTime::from_timestamp(ts, 0))),
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<NaiveDateTime>,
#[serde(deserialize_with = "option_naive_read_unixtime")]
real_arrival: Option<NaiveDateTime>,
#[serde(deserialize_with = "option_naive_read_unixtime")]
scheduled_departure: Option<NaiveDateTime>,
#[serde(deserialize_with = "option_naive_read_unixtime")]
real_departure: Option<NaiveDateTime>,
}
trait IsStation {
fn name (&self) -> &str;
fn scheduled_arrival (&self) -> Option<&NaiveDateTime>;
fn real_arrival (&self) -> Option<&NaiveDateTime>;
fn ds100 (&self) -> &str;
fn to_fancy_string (&self) -> String {
format!(
"{} {} – {} ({})",
self.real_arrival().map(|t| 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<&NaiveDateTime> {
Some(&self.scheduled_time)
}
fn real_arrival (&self) -> Option<&NaiveDateTime> {
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<&NaiveDateTime> {
self.scheduled_arrival.as_ref()
}
fn real_arrival (&self) -> Option<&NaiveDateTime> {
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,
checked_in: bool,
from_station: Station,
#[serde(deserialize_with = "parse_optional_station")]
to_station: Option<Station>,
intermediate_stops: Vec<Stop>,
train: Option<Train>,
action_time: u64,
}
#[allow(dead_code)]
pub struct Ds100 {
inner: String,
}
struct Trip<'a> (&'a Vec<Stop>);
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 std::fmt::Display for Trip<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
if self.0.len() == 0 {
write!(f, "(none)")
} else {
self.0.iter()
.map(|stop| stop.to_fancy_string())
.intersperse(" ↓".to_string())
.for_each(|l| writeln!(f, " {}", 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 {}\n ↓\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{} ↓\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())
)
}
}
}
|
