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use chrono::prelude::*;
use chrono_tz::Tz;
pub type DTime = DateTime<Tz>;
pub fn from_ordinal(ordinal: isize) -> DateTime<Utc> {
let timestamp = ordinal * 24 * 60 * 60;
let naive = NaiveDateTime::from_timestamp(timestamp as i64, 0);
DateTime::from_utc(naive, Utc)
}
pub fn to_ordinal(date: &DateTime<Utc>) -> isize {
(date.timestamp() / 60 / 60 / 24) as isize
}
pub fn is_leap_year(year: i32) -> bool {
year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)
}
pub fn get_year_len(year: i32) -> usize {
if is_leap_year(year) {
return 366;
}
365
}
pub fn get_weekday_val(wk: &Weekday) -> usize {
match wk {
Weekday::Mon => 0,
Weekday::Tue => 1,
Weekday::Wed => 2,
Weekday::Thu => 3,
Weekday::Fri => 4,
Weekday::Sat => 5,
Weekday::Sun => 6,
}
}
#[derive(Debug)]
pub struct Time {
pub hour: usize,
pub minute: usize,
pub second: usize,
pub millisecond: usize,
}
impl Time {
pub fn new(hour: usize, minute: usize, second: usize, millisecond: usize) -> Self {
Self {
hour,
minute,
second,
millisecond,
}
}
pub fn time(&self) -> usize {
(self.hour * 60 * 60 + self.minute * 60 + self.second) * 1000 + self.millisecond
}
}
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