a simple start to the archive-by-hours project

src/commands/archive.rs

@@ -2,13 +2,13 @@ use std::convert::TryFrom;
 use std::io::{BufRead, Write};
 
 use clap::ArgMatches;
-use chrono::{DateTime, Utc};
+use chrono::{DateTime, Utc, Duration};
 use regex::Regex;
 
 use crate::database::Database;
 use crate::error::{Error, Result};
 use crate::commands::{Command, Facts};
-use crate::timeparse::parse_time;
+use crate::timeparse::{parse_time, parse_duration};
 use crate::old::{entries_or_warning, time_or_warning};
 use crate::formatters::text;
 use crate::regex::parse_regex;
@@ -20,6 +20,7 @@ pub struct Args {
     start: Option<DateTime<Utc>>,
     end: Option<DateTime<Utc>>,
     grep: Option<Regex>,
+    time: Option<Duration>,
     fake: bool,
     sheet: Option<String>,
 }
@@ -32,6 +33,7 @@ impl<'a> TryFrom<&'a ArgMatches<'a>> for Args {
             start: matches.value_of("start").map(parse_time).transpose()?,
             end: matches.value_of("end").map(parse_time).transpose()?,
             grep: matches.value_of("grep").map(parse_regex).transpose()?,
+            time: matches.value_of("time").map(parse_duration).transpose()?,
             fake: matches.is_present("fake"),
             sheet: matches.value_of("sheet").map(|s| s.to_owned()),
         })
@@ -63,6 +65,11 @@ impl<'a> Command<'a> for ArchiveCommand {
             entries.retain(|e| re.is_match(&e.note.clone().unwrap_or_default()));
         }
 
+        if let Some(time) = args.time {
+            // archive the maximum amount of consecutive entries whose
+            // accumulated time is not bigger that `time`.
+        }
+
         if args.fake {
             let (entries, _) = entries_or_warning(entries, &streams.db)?;
 

src/timeparse.rs

@@ -157,6 +157,10 @@ pub fn parse_time(input: &str) -> Result<DateTime<Utc>> {
     Err(Error::DateTimeParseError(input.into()))
 }
 
+pub fn parse_duration(input: &str) -> Result<Duration> {
+    todo!()
+}
+
 #[cfg(test)]
 mod tests {
     use chrono::{TimeZone, Duration};