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use std::fmt;
use std::io;
use std::path::{PathBuf,Path};
use std::str::FromStr;
use icalwrap::{IcalVCalendar,IcalVEvent,IcalTime};
use utils::{fileutil,dateutil};
use defaults;
#[derive(PartialEq,Eq,Debug)]
pub struct KhLine {
pub path: PathBuf,
time: Option<IcalTime>,
}
impl KhLine {
pub fn new(path: &Path, time: Option<IcalTime>) -> Self {
let path = if path.is_relative() {
defaults::get_caldir().join(path)
} else {
path.to_path_buf()
};
Self { path, time }
}
pub fn to_cal(&self) -> io::Result<IcalVCalendar> {
let content = fileutil::read_file_to_string(&self.path)?;
let calendar = IcalVCalendar::from_str(&content, Some(&self.path))?;
Ok(calendar)
}
pub fn to_event(&self) -> io::Result<IcalVEvent> {
let calendar = self.to_cal()?;
let mut event = calendar.get_first_event();
if let Some(ref time) = self.time {
event = event.with_internal_timestamp(time);
}
Ok(event)
}
pub fn matches(&self, event: &IcalVEvent) -> bool {
self == &KhLine::from(event)
}
pub fn get_path(&self) -> &Path {
&self.path
}
pub fn get_time(&self) -> Option<&IcalTime> {
self.time.as_ref()
}
pub fn get_normalized_path(&self) -> &Path {
self.path
.strip_prefix(defaults::get_caldir())
.unwrap_or(&self.path)
}
}
impl From<&IcalVEvent> for KhLine {
fn from(event: &IcalVEvent) -> Self {
let path = event.get_parent().unwrap().get_path().unwrap().to_path_buf();
let time = event.get_dtstart();
KhLine{ path, time }
}
}
impl From<&IcalVCalendar> for KhLine {
fn from(cal: &IcalVCalendar) -> Self {
(&cal.get_principal_event()).into()
}
}
impl fmt::Display for KhLine {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let path_string = self.get_normalized_path().to_string_lossy();
match self.time {
Some(ref time) => {
let time_string = format!("{:010}", time.timestamp());
write!(f, "{} {}", time_string, path_string)
}
None => write!(f, "{}", path_string)
}
}
}
impl FromStr for KhLine {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let parts: Vec<&str> = s.splitn(2, ' ').collect();
if let Some(time) = dateutil::datetime_from_timestamp(parts[0]) {
let path = PathBuf::from(parts[1]);
Ok(Self::new(&path, Some(time.into())))
} else {
let path = PathBuf::from(parts[0]);
Ok(Self::new(&path, None))
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use assert_fs::prelude::*;
use testdata;
use testutils::*;
use icalwrap::IcalVCalendar;
#[test]
fn test_parse_absolute() {
let khline_str = "1182988800 /x/y/z.ics";
let khline = khline_str.parse::<KhLine>().unwrap();
assert_eq!(PathBuf::from("/x/y/z.ics"), khline.path);
assert_eq!(1182988800, khline.get_time().unwrap().timestamp());
assert_eq!(khline_str, khline.to_string());
}
#[test]
fn test_parse_absolute_no_timestamp() {
let khline_str = "/x/y/z.ics";
let khline = khline_str.parse::<KhLine>().unwrap();
assert_eq!(PathBuf::from("/x/y/z.ics"), khline.path);
assert_eq!(None, khline.time);
assert_eq!(khline_str, khline.to_string());
}
#[test]
fn test_parse_relative_no_timestamp() {
let testdir = prepare_testdir_empty();
let khline_str = "x/y.ics";
let khline = khline_str.parse::<KhLine>().unwrap();
assert_eq!(testdir.child(".khaleesi/cal/x/y.ics").path(), khline.path);
assert_eq!(None, khline.time);
assert_eq!(khline_str, khline.to_string());
}
#[test]
fn test_parse_relative_timestamp() {
let testdir = prepare_testdir_empty();
let khline_str = "1182988800 x/y.ics";
let khline = khline_str.parse::<KhLine>().unwrap();
assert_eq!(testdir.child(".khaleesi/cal/x/y.ics").path(), khline.path);
assert_eq!(1182988800, khline.get_time().unwrap().timestamp());
assert_eq!(khline_str, khline.to_string());
}
#[test]
fn test_khline_from_calendar() {
let path = PathBuf::from("test/path");
let cal = IcalVCalendar::from_str(testdata::TEST_EVENT_MULTIDAY_ALLDAY, Some(&path)).unwrap();
let khline = KhLine::from(&cal);
assert_eq!(String::from("1182988800 test/path"), khline.to_string());
}
#[test]
fn test_khline_from_event() {
let path = PathBuf::from("test/path");
let cal = IcalVCalendar::from_str(testdata::TEST_EVENT_MULTIDAY_ALLDAY, Some(&path)).unwrap();
let khline = KhLine::from(&cal);
assert_eq!(String::from("1182988800 test/path"), khline.to_string());
}
#[test]
fn test_matches() {
let path = PathBuf::from("test/path");
let cal = IcalVCalendar::from_str(testdata::TEST_EVENT_MULTIDAY_ALLDAY, Some(&path)).unwrap();
let khline = KhLine::from(&cal);
assert!(khline.matches(&cal.get_principal_event()));
}
#[test]
fn test_to_event_timestamp() {
let testdir = prepare_testdir("testdir");
let khline = "12345 twodaysacrossbuckets.ics".parse::<KhLine>().unwrap();
let event = khline.to_event().unwrap();
assert_eq!(
testdir.child(".khaleesi/cal/twodaysacrossbuckets.ics").path(),
event.get_parent().unwrap().get_path().unwrap()
);
assert_eq!(12345, event.get_dtstart().unwrap().timestamp());
}
#[test]
fn test_to_event_no_timestamp() {
let testdir = prepare_testdir("testdir");
let khline = "twodaysacrossbuckets.ics".parse::<KhLine>().unwrap();
let event = khline.to_event().unwrap();
assert_eq!(
testdir.child(".khaleesi/cal/twodaysacrossbuckets.ics").path(),
event.get_parent().unwrap().get_path().unwrap()
);
assert_eq!(
IcalTime::floating_ymd(2018, 12, 13).and_hms(23, 30, 00),
event.get_dtstart().unwrap()
);
}
}
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