404 lines
11 KiB
Rust
404 lines
11 KiB
Rust
use serde::{Serialize, Deserialize};
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use std::io::{Read, Write};
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use std::fs::File;
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use std::time::{SystemTime, UNIX_EPOCH, Duration};
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use std::ops::{Add, Sub};
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use clap::Parser;
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use chrono::{TimeZone, Local, Timelike};
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use regex::Regex;
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use serde_yaml::from_str;
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#[derive(Debug, Parser)]
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struct Flags {
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#[arg(short = 'f', long = "file")]
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f: String,
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#[arg(short = 'l', long = "log")]
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log: bool,
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#[arg(short = 's', long = "since")]
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since: Option<String>,
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#[arg(short = 'a', long = "add")]
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add: Option<String>,
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#[arg(short = 't', long = "tag")]
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tag: Option<String>,
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#[arg(short = 'c', long = "clock")]
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clock: bool,
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#[arg(short = 'd', long = "duration")]
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duration: Option<String>,
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#[arg(short = 'v', long = "verbose")]
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verbose: bool,
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#[arg(short = 'p', long = "precision")]
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precision: Option<u32>,
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}
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fn main() {
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let mut flags = Flags::parse();
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flags.log = flags.log || flags.since.is_some();
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let duration = parse_duration(&flags.duration).unwrap();
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clock(&flags.f, &(flags.clock || flags.duration.is_some()), &duration).unwrap();
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add(&flags.f, &flags.add, &flags.tag, &0).unwrap();
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log(&flags.f, &flags.log, &flags.since, &flags.verbose, &flags.precision.unwrap_or(0)).unwrap();
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}
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fn clock(f: &String, clock: &bool, duration: &u64) -> Result<(), String> {
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match clock {
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true => add(&f, &Some("".to_string()), &None, duration),
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false => Ok(()),
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}
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}
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fn add(f: &String, x: &Option<String>, tag: &Option<String>, duration: &u64) -> Result<(), String> {
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match x {
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Some(x) => {
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let mut tsheet = load(&f)?;
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tsheet.add(
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x.to_string(),
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tag.clone().unwrap_or("".to_string()),
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*duration,
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);
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save(&f, tsheet)?;
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},
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None => {},
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};
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Ok(())
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}
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#[derive(Debug, Serialize, Clone)]
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struct Log {
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t: String,
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d: f32,
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xs: Vec<LogX>,
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}
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#[derive(Debug, Serialize, Clone)]
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struct LogX {
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d: f32,
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x: String,
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}
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fn log(f: &String, enabled: &bool, since: &Option<String>, verbose: &bool, precision: &u32) -> Result<(), String> {
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if !enabled {
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return Ok(());
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}
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let since = parse_time(since)?;
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if *verbose {
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eprintln!("since = {} ({})", system_time_to_unix_seconds(&since), timestamp(&system_time_to_unix_seconds(&since), &2));
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}
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let tsheet = load(&f)?;
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let tsheet = tsheet.since(since);
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if *verbose {
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eprintln!("tsheet = {:?}", &tsheet);
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}
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let mut result = vec![];
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let mut curr = Log{t: "".to_string(), d: 0.0, xs: vec![]};
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let mut currt = "".to_string();
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for i in 0..tsheet.xs.len() {
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let x = &tsheet.xs[i];
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if *verbose {
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eprintln!("{} != {}?", &curr.t, x.timestamp(&precision));
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}
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if currt != x.timestamp(&0) {
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if curr.xs.len() > 0 {
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if *verbose {
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eprintln!("push {:?}", &curr.xs);
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}
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result.push(curr.clone());
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}
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curr.xs.truncate(0);
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curr.t = x.timestamp(&precision);
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currt = x.timestamp(&0);
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curr.d = 0.0;
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}
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let mut d = 1.0;
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if x.x.len() == 0 {
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d = 0.0;
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} else if i > 0 {
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d = ((tsheet.xs[i].t - tsheet.xs[i-1].t) as f32 / (60.0*60.0)) as f32;
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}
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if *verbose {
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eprintln!("d={} x='{}'", &x.x, &d);
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}
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match x.x.len() {
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0 => {},
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_ => {
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curr.t = x.timestamp(&precision);
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currt = x.timestamp(&0);
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curr.xs.push(LogX{d: d, x: x.x.clone()});
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},
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};
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}
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if curr.xs.len() > 0 {
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if *verbose {
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eprintln!("push {:?} (final)", &curr.xs);
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}
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result.push(curr.clone());
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}
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let mut total_d = 0.0;
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for i in result.iter_mut() {
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i.d = i.xs.iter().map(|x| x.d).sum();
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total_d += i.d;
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if *verbose {
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eprintln!("{} = {:?}", &i.d, &i.xs.iter().map(|x| x.d).collect::<Vec<_>>());
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}
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}
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for log in &result {
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for x in log.xs.clone() {
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if x.x.len() > 0 {
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match precision {
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0 => println!("{} ({:.0}) {} ({:.1})", log.t, log.d, x.x, x.d),
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1 => println!("{} ({:.1}) {} ({:.2})", log.t, log.d, x.x, x.d),
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_ => println!("{} ({:.2}) {} ({:.3})", log.t, log.d, x.x, x.d),
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}
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}
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}
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}
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match precision {
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0 => eprintln!("({:.0}h over {} dates)", total_d, result.len()),
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1 => eprintln!("({:.1}h over {} dates)", total_d, result.len()),
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_ => eprintln!("({:.2}h over {} dates)", total_d, result.len()),
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}
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Ok(())
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}
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#[cfg(test)]
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mod test_parse {
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use super::*;
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#[test]
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fn test_duration() {
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assert_eq!(0, parse_duration(&None).unwrap());
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assert_eq!(1, parse_duration(&Some("1s".to_string())).unwrap());
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assert_eq!(33, parse_duration(&Some("33s".to_string())).unwrap());
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assert_eq!(666, parse_duration(&Some("666s".to_string())).unwrap());
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assert_eq!(60, parse_duration(&Some("1m".to_string())).unwrap());
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assert_eq!(62, parse_duration(&Some("1m2s".to_string())).unwrap());
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assert_eq!(3600, parse_duration(&Some("1h".to_string())).unwrap());
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assert_eq!(3723, parse_duration(&Some("1h2m3s".to_string())).unwrap());
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}
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}
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fn parse_duration(d: &Option<String>) -> Result<u64, String> {
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match d {
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Some(d) => {
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let mut sum: u64 = 0;
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let re = Regex::new(r"^(?<hours>[0-9]+h)?(?<minutes>[0-9]+m)?(?<seconds>[0-9]+s)?$").unwrap();
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match re.captures(d) {
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Some(captures) => {
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match captures.name("seconds") {
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Some(n) => {
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let n = n.as_str().to_string();
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let n = n.trim_end_matches('s');
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sum += from_str::<u64>(n).unwrap();
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},
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None => {},
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};
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match captures.name("minutes") {
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Some(n) => {
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let n = n.as_str().to_string();
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let n = n.trim_end_matches('m');
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sum += 60 * from_str::<u64>(n).unwrap();
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},
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None => {},
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};
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match captures.name("hours") {
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Some(n) => {
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let n = n.as_str().to_string();
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let n = n.trim_end_matches('h');
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sum += 60 * 60 * from_str::<u64>(n).unwrap();
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},
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None => {},
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};
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Ok(sum)
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},
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None => Ok(0),
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}
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},
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None => Ok(0),
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}
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}
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fn parse_time(since: &Option<String>) -> Result<SystemTime, String> {
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match since {
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Some(since) => {
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match chrono::NaiveDate::parse_from_str(since, "%Y-%m-%d") {
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Ok(nd) => {
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let ndt = nd.and_hms_opt(1, 1, 1).unwrap();
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let dt = Local.from_local_datetime(&ndt).unwrap();
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Ok(UNIX_EPOCH.add(
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Duration::from_secs(dt.timestamp() as u64)
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))
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},
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Err(msg) => Err(format!("failed to parse {}: {}", since, msg)),
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}
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},
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None => Ok(SystemTime::now().sub(Duration::from_secs(Local::now().hour() as u64*60*60))),
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}
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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struct TSheet {
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xs: Vec<X>,
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize, Clone, Ord, Eq, PartialOrd)]
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struct X {
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t: i64,
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x: String,
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tag: String,
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}
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fn save(path: &String, tsheet: TSheet) -> Result<(), String> {
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match File::create(path.clone()) {
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Ok(mut writer) => _save(&mut writer, tsheet),
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Err(reason) => Err(format!("failed to open {} to save tsheet: {}", path, reason)),
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}
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}
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fn _save(writer: &mut dyn Write, tsheet: TSheet) -> Result<(), String> {
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let mut w = serde_yaml::Serializer::new(writer);
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match tsheet.serialize(&mut w) {
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Ok(_) => Ok(()),
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Err(reason) => Err(format!("failed to serialize tsheet: {}", reason)),
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}
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}
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fn load(path: &String) -> Result<TSheet, String> {
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match File::open(path.clone()) {
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Ok(mut reader) => _load(&mut reader),
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Err(reason) => Err(format!("failed to read tsheet {}: {}", path, reason)),
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}
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}
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fn _load(reader: &mut dyn Read) -> Result<TSheet, String> {
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match serde_yaml::from_reader::<&mut dyn Read, TSheet>(reader) {
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Ok(tsheet) => Ok(tsheet),
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Err(err) => Err(format!("failed to parse tsheet: {}", err)),
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}
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}
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#[cfg(test)]
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mod test_save_load {
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use super::*;
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#[test]
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fn test_empty() {
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let got = _load(&mut "xs: []".as_bytes()).expect("failed to parse 'xs: []' tsheet");
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assert_eq!(got, TSheet{xs: vec![]});
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let mut w = vec![];
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_save(&mut w, got).expect("failed saving tsheet to writer");
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assert_eq!(String::from_utf8(w).unwrap(), "xs: []\n".to_string());
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}
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#[test]
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fn test_testdata_standalone_yaml() {
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let want = TSheet{xs: vec![
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X{t: 1, x: "def".to_string(), tag: "abc".to_string()},
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X{t: 2, x: "ghi".to_string(), tag: "".to_string()},
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]};
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assert_eq!(
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load(&"./src/testdata/standalone.yaml".to_string()).expect("cant load standalone.yaml"),
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want,
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);
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let mut w = vec![];
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_save(&mut w, want).expect("failed saving tsheet to writer");
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assert_eq!(String::from_utf8(w).unwrap(), "xs:\n- t: 1\n x: def\n tag: abc\n- t: 2\n x: ghi\n tag: ''\n".to_string());
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}
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}
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impl TSheet {
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fn since(&self, t: SystemTime) -> TSheet {
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let mut result = TSheet{xs: vec![]};
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self.xs.iter()
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.filter(|x| x.ts() >= t)
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.for_each(|x| result.xs.push(x.clone()));
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result
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}
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fn add(&mut self, x: String, tag: String, duration: u64) {
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let now = system_time_to_unix_seconds(&SystemTime::now());
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self.xs.push(new_x(
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now - duration as i64,
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x,
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tag,
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));
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}
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}
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impl X {
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fn ts(&self) -> SystemTime {
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UNIX_EPOCH.add(Duration::from_secs(self.t.try_into().unwrap()))
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}
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fn timestamp(&self, precision: &u32) -> String {
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timestamp(&self.t, &precision)
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}
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}
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fn system_time_to_unix_seconds(st: &SystemTime) -> i64 {
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st.duration_since(UNIX_EPOCH).unwrap().as_secs() as i64
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}
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fn timestamp(t: &i64, precision: &u32) -> String {
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let dt = Local.timestamp_opt(*t, 0).unwrap();
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match precision {
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0 => dt.format("%Y-%m-%d").to_string(),
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1 => dt.format("%Y-%m-%dT%H:%M").to_string(),
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_ => dt.format("%Y-%m-%dT%H:%M:%S").to_string(),
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}
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}
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fn new_x(t: i64, x: String, tag: String) -> X {
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X{
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t: t,
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x: x,
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tag: tag,
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}
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}
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#[cfg(test)]
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mod test_tsheet {
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use super::*;
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#[test]
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fn test_add() {
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let mut given = TSheet{xs: vec![
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X{t: 1, x: "def".to_string(), tag: "abc".to_string()},
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]};
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given.add("ghi".to_string(), "".to_string(), 0);
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assert_eq!(given.xs.len(), 2);
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assert!(given.xs[1].t != 1);
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assert_eq!(given.xs[1].x, "ghi".to_string());
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assert_eq!(given.xs[1].tag, "".to_string());
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}
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#[test]
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fn test_since_date() {
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let given = TSheet{xs: vec![
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X{t: 1, x: "def".to_string(), tag: "abc".to_string()},
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X{t: 2, x: "ghi".to_string(), tag: "".to_string()},
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X{t: 3, x: "jkl".to_string(), tag: "".to_string()},
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]};
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let want = TSheet{xs: vec![
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X{t: 2, x: "ghi".to_string(), tag: "".to_string()},
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X{t: 3, x: "jkl".to_string(), tag: "".to_string()},
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]};
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let got = given.since(UNIX_EPOCH.add(Duration::from_secs(2)));
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assert_eq!(got, want);
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}
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}
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