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use chrono::{DateTime, Local, Utc};
use colored::Colorize;
use core::cmp::PartialEq;
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 {
// travelynx literally sends this entire precise date in case of an
// unknown time instead of, like, a null
let epoch = "1970-01-01T00:00:00Z".parse::<DateTime<Local>>().unwrap();
format!(
"{} {} – {} ({})",
self
.real_arrival()
.map(|t| if t.eq(&epoch) {
"unknown ".to_owned()
} else { // chrono's API for timezones is expressive, but reads like c++ …
<DateTime<Local>>::from(*t).time().format("%T").to_string()
})
.unwrap_or("<format error>".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()
)
}
}
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