1use super::errors::CliError;
2use chrono::{DateTime, Datelike, Duration, Local, TimeZone, Utc, Weekday};
3
4pub const DATE_FMT: &str = "%F %T";
5
6fn calculate_day_difference(weekday: Weekday) -> i64 {
7 let current_day = Local::now().weekday().number_from_monday() as i64;
8 let due_day = weekday.number_from_monday() as i64;
9 (due_day - current_day + 7) % 7
10}
11
12pub fn weekday_to_due_date(weekday: Weekday) -> DateTime<Utc> {
13 Local::today()
14 .checked_add_signed(Duration::days(calculate_day_difference(weekday)))
15 .unwrap()
16 .and_hms(8, 0, 0)
17 .with_timezone(&Utc)
18}
19
20pub fn string_to_weekday(string: &str) -> Result<Weekday, CliError> {
21 match &string.to_lowercase()[..] {
22 "mon" | "monday" => Ok(Weekday::Mon),
23 "tue" | "tues" | "tu" | "tuesday" => Ok(Weekday::Tue),
24 "wed" | "wednesday" => Ok(Weekday::Wed),
25 "thu" | "thurs" | "thur" | "thursday" => Ok(Weekday::Thu),
26 "fri" | "friday" => Ok(Weekday::Fri),
27 "sat" | "saturday" | "sa" => Ok(Weekday::Sat),
28 "sun" | "sunday" | "su" => Ok(Weekday::Sun),
29 _ => Err(CliError::ParsingError),
30 }
31}
32
33pub fn string_to_due_date(string: &str) -> Result<DateTime<Utc>, CliError> {
34 Ok(match Local.datetime_from_str(string, DATE_FMT) {
35 Ok(d) => d.with_timezone(&Utc),
36 Err(_) => return Err(CliError::ParsingError),
37 })
38}