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use time::{Date, OffsetDateTime, UtcOffset, format_description::well_known};
use crate::{MONTHS, which_offset};
pub fn human_long(datetime: &OffsetDateTime) -> String {
let year = datetime.year();
let month = MONTHS[datetime.month() as usize - 1][1];
let day = datetime.day();
let weekday = datetime.weekday();
format!("{weekday} {day}, {month} {year}")
}
pub fn human_with_time(datetime: &OffsetDateTime) -> String {
let date = human_long(datetime);
let (h, m, s) = datetime.to_hms();
let offset = match which_offset(&datetime.offset()) {
None => offset(&datetime.offset()),
Some((name, _)) => name.to_owned(),
};
format!("{date} {h:02}:{m:02}:{s:02} {offset}")
}
fn offset(offset: &UtcOffset) -> String {
let (h, m, s) = offset.as_hms();
if s == 0 {
if m == 0 {
format!("{h:+}")
} else {
format!("{h:+}:{:02}", m.abs())
}
} else {
format!("{h:+}:{:02}:{:02}", m.abs(), s.abs())
}
}
pub fn iso8601(datetime: &OffsetDateTime) -> String {
datetime
.format(&well_known::Iso8601::DATE_TIME_OFFSET)
.unwrap()
}
pub fn iso_date(date: &Date) -> String {
let year = date.year();
let month = date.month();
let day = date.day();
format!("{year}-{month:02}-{day:02}")
}
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