ocpi-tariffs 0.42.0

OCPI tariff calculations
Documentation 
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use std::str::FromStr as _;

use chrono::{DateTime, NaiveDateTime, Utc};

use super::DateTimeSpan;

#[track_caller]
pub(super) fn date_time_span(
    date_start: &str,
    time_start: &str,
    date_end: &str,
    time_end: &str,
) -> DateTimeSpan {
    DateTimeSpan {
        start: datetime_utc(date_start, time_start),
        end: datetime_utc(date_end, time_end),
    }
}

#[track_caller]
pub(super) fn datetime_utc(date: &str, time: &str) -> DateTime<Utc> {
    let s = format!("{date} {time}+00:00");
    DateTime::<Utc>::from_str(&s).unwrap()
}

#[track_caller]
pub(super) fn datetime_naive(date: &str, time: &str) -> NaiveDateTime {
    let s = format!("{date}T{time}");
    NaiveDateTime::from_str(&s).unwrap()
}