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use std::io::BufRead;
use std::fmt;
use ical::IcalParser;
use event::{Event, Date};
use errors::EventError;
pub struct Events {
single: Vec<Event>,
}
impl Events {
pub fn parse<B: BufRead>(buf: B) -> Result<Self, EventError> {
let reader = IcalParser::new(buf);
let mut single = Vec::new();
for line in reader {
for ev in line?.events {
let mut event = Event::new();
for property in ev.properties {
let value = property.value.unwrap_or("".to_string());
let mut time_zone = "".to_string();
for (param, value) in property.params.unwrap_or(vec![]) {
if param == "TZID" && value.len() > 0 {
time_zone = value[0].clone();
}
}
match property.name.as_ref() {
"SUMMARY" => event.summary = value,
"LOCATION" => event.location = value,
"DESCRIPTION" => event.description = value,
"STATUS" => event.status = value.parse()?,
"DTSTART" => event.start = Date::parse(&value, &time_zone)?,
"DTEND" => event.end = Date::parse(&value, &time_zone)?,
_ => (),
};
}
single.push(event);
}
}
single.sort_by(|a, b| a.start.cmp(&b.start));
Ok(Events { single })
}
}
impl fmt::Display for Events {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
for event in &self.single {
writeln!(f, "{}", event)?;
}
Ok(())
}
}
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