tiempo-rs/src/commands/week.rs

147 lines
4.7 KiB
Rust

use std::convert::TryFrom;
use std::io::Write;
use clap::ArgMatches;
use chrono::{DateTime, Utc, Local, Duration, Weekday, Datelike};
use regex::Regex;
use crate::error::{Result, Error};
use crate::database::Database;
use crate::formatters::Formatter;
use crate::config::{Config, WeekDay};
use crate::regex::parse_regex;
use crate::timeparse::parse_time;
use super::{Command, display::{Sheet, entries_for_display}};
trait AsNum {
fn as_num(&self) -> i64;
}
impl AsNum for WeekDay {
fn as_num(&self) -> i64 {
match &self {
WeekDay::Monday => 1,
WeekDay::Tuesday => 2,
WeekDay::Wednesday => 3,
WeekDay::Thursday => 4,
WeekDay::Friday => 5,
WeekDay::Saturday => 6,
WeekDay::Sunday => 7,
}
}
}
impl AsNum for Weekday {
fn as_num(&self) -> i64 {
match &self {
Weekday::Mon => 1,
Weekday::Tue => 2,
Weekday::Wed => 3,
Weekday::Thu => 4,
Weekday::Fri => 5,
Weekday::Sat => 6,
Weekday::Sun => 7,
}
}
}
/// Given a local datetime, returns the time of the previous week_start's start
fn prev_day(now: DateTime<Local>, week_start: WeekDay) -> DateTime<Utc> {
let begining = match now.weekday().as_num() - week_start.as_num() {
num if num == 0 => now,
num if num > 0 => now - Duration::days(num),
num if num < 0 => now - Duration::days(7 - num.abs()),
_ => unreachable!(),
};
begining.date().and_hms(0, 0, 0).with_timezone(&Utc)
}
#[derive(Default)]
pub struct Args {
ids: bool,
end: Option<DateTime<Utc>>,
format: Option<Formatter>,
grep: Option<Regex>,
sheet: Option<Sheet>,
}
impl<'a> TryFrom<&'a ArgMatches<'a>> for Args {
type Error = Error;
fn try_from(matches: &'a ArgMatches) -> Result<Args> {
Ok(Args {
ids: matches.is_present("ids"),
end: matches.value_of("end").map(|s| parse_time(s)).transpose()?,
format: matches.value_of("format").map(|v| v.parse()).transpose()?,
grep: matches.value_of("grep").map(parse_regex).transpose()?,
sheet: matches.value_of("sheet").map(|s| s.parse()).transpose()?,
})
}
}
pub struct WeekCommand { }
impl<'a> Command<'a> for WeekCommand {
type Args = Args;
fn handle<D, O, E>(args: Self::Args, db: &mut D, out: &mut O, err: &mut E, config: &Config, now: DateTime<Utc>) -> Result<()>
where
D: Database,
O: Write,
E: Write,
{
let start = prev_day(now.with_timezone(&Local), config.week_start);
entries_for_display(Some(start), args.end, args.sheet, db, out, err, args.format.unwrap_or_else(|| config.default_formatter.clone()), args.ids, args.grep, now)
}
}
#[cfg(test)]
mod tests {
use chrono::TimeZone;
use crate::database::SqliteDatabase;
use super::*;
#[test]
fn test_prev_day() {
// starting a saturday
let now = Local.ymd(2021, 7, 10).and_hms(18, 31, 0);
assert_eq!(prev_day(now, WeekDay::Monday), Local.ymd(2021, 7, 5).and_hms(0, 0, 0).with_timezone(&Utc));
assert_eq!(prev_day(now, WeekDay::Tuesday), Local.ymd(2021, 7, 6).and_hms(0, 0, 0).with_timezone(&Utc));
assert_eq!(prev_day(now, WeekDay::Wednesday), Local.ymd(2021, 7, 7).and_hms(0, 0, 0).with_timezone(&Utc));
assert_eq!(prev_day(now, WeekDay::Thursday), Local.ymd(2021, 7, 8).and_hms(0, 0, 0).with_timezone(&Utc));
assert_eq!(prev_day(now, WeekDay::Friday), Local.ymd(2021, 7, 9).and_hms(0, 0, 0).with_timezone(&Utc));
assert_eq!(prev_day(now, WeekDay::Saturday), Local.ymd(2021, 7, 10).and_hms(0, 0, 0).with_timezone(&Utc));
assert_eq!(prev_day(now, WeekDay::Sunday), Local.ymd(2021, 7, 4).and_hms(0, 0, 0).with_timezone(&Utc));
}
#[test]
fn respect_default_formatter() {
std::env::set_var("TZ", "CST+6");
let args = Default::default();
let mut db = SqliteDatabase::from_memory().unwrap();
let mut out = Vec::new();
let mut err = Vec::new();
let config = Config {
default_formatter: Formatter::Ids,
..Default::default()
};
db.init().unwrap();
db.entry_insert(Utc.ymd(2021, 6, 30).and_hms(10, 0, 0), None, Some("hola".into()), "default".into()).unwrap();
db.entry_insert(Utc.ymd(2021, 6, 30).and_hms(10, 10, 0), None, Some("hola".into()), "default".into()).unwrap();
WeekCommand::handle(args, &mut db, &mut out, &mut err, &config, Utc.ymd(2021, 7, 1).and_hms(10, 0, 0)).unwrap();
assert_eq!(&String::from_utf8_lossy(&out), "1 2\n");
assert_eq!(String::from_utf8_lossy(&err), "");
}
}