diff options
Diffstat (limited to 'src/commands/util.rs')
| -rw-r--r-- | src/commands/util.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/commands/util.rs b/src/commands/util.rs index e892875..acfbdd2 100644 --- a/src/commands/util.rs +++ b/src/commands/util.rs @@ -225,3 +225,36 @@ pub fn display_data<D: Display>( } } +pub fn get_date_filter(name: &str, matches: &ArgMatches) -> Result<Option<chrono::DateTime::<chrono::Local>>> { + matches.value_of(name) + .map(|s| { + trace!("Parsing duration: '{}'", s); + humantime::parse_duration(s) + .map_err(Error::from) + .or_else(|_| { + trace!("Parsing time: '{}'", s); + humantime::parse_rfc3339_weak(s) + .map_err(Error::from) + .and_then(|d| d.elapsed().map_err(Error::from)) + }) + .or_else(|_| { + let s = format!("{} 00:00:00", s); + trace!("Parsing time: '{}'", s); + humantime::parse_rfc3339_weak(&s) + .map_err(Error::from) + .and_then(|d| d.elapsed().map_err(Error::from)) + }) + }) + .transpose()? + .map(chrono::Duration::from_std) + .transpose()? + .map(|dur| { + chrono::offset::Local::now() + .checked_sub_signed(dur) + .ok_or_else(|| anyhow!("Time calculation would overflow")) + .with_context(|| anyhow!("Cannot subtract {} from 'now'", dur)) + .map_err(Error::from) + }) + .transpose() +} + |