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Ooh, The things I do for datetiems.

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This commit is contained in:
Jordan Petridis 2017-09-27 10:40:14 +03:00
parent 5a2355b686
commit 53a5004122
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GPG Key ID: CEABAD9F5683B9A6
1 changed files with 53 additions and 14 deletions
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67
src/feedparser.rs
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@ -2,6 +2,7 @@ use rss::{Channel, Item};
use chrono::DateTime;
use models;
use errors::*;
use std::collections::HashMap;
pub fn parse_podcast(chan: &Channel, source_id: i32) -> Result<models::NewPodcast> {
let title = chan.title().to_owned();
@ -26,7 +27,27 @@ pub fn parse_podcast(chan: &Channel, source_id: i32) -> Result<models::NewPodcas
Ok(foo)
}
// TODO: Factor out rfc822 to rfc2822 normalization
pub fn parse_episode<'a>(item: &'a Item, parent_id: i32) -> Result<models::NewEpisode<'a>> {
let weekdays = vec![
"Mon,", "Tue,", "Wed,", "Thu,", "Fri,", "Sat,", "Sun,", "Monday,", "Tuesday,",
"Wednesday,", "Thursday,", "Friday,", "Saturday,", "Sunday,",
];
let mut months = HashMap::new();
months.insert("January", "Jan");
months.insert("February", "Feb");
months.insert("March", "Mar");
months.insert("April ", "Apr");
months.insert("May", "May");
months.insert("June", "Jun");
months.insert("July", "Jul");
months.insert("August", "Aug");
months.insert("September", "Sep");
months.insert("October", "Oct");
months.insert("November", "Nov");
months.insert("December", "Dec");
let title = item.title();
let description = item.description();
@ -46,20 +67,38 @@ pub fn parse_episode<'a>(item: &'a Item, parent_id: i32) -> Result<models::NewEp
let pub_date = item.pub_date();
let epoch = match pub_date {
Some(foo) => {
// info!("{}", foo);
// let date = DateTime::parse_from_rfc2822(&foo);
Some(abc) => {
let mut foo = String::from(abc);
// rss::Item::pub_date() returns dates formated according to rfc822
// But, chrono::DateTime has support only for rfc2822 or rfc3339 atm.
// FIXME: Figure out the format sequence of rfc822.
// This is the closest I got it,
// its also a direct copy of the sequence of rfc2822.
let date = DateTime::parse_from_str(&foo, "%a, %e %B %Y %H:%M:%S %z");
// Weekday name is not required for rfc2822
// for stable, replace for_each with map and add
// .fold((), |(),_|()) or .collect()
weekdays.iter().for_each(|x| if abc.starts_with(x) {
// TODO: handle to lower etc.
// For sure someone has a weird feed with the day in lowercase
foo = format!("{}", &abc[x.len()..]);
foo = foo.trim().to_string();
});
// Replace long month names with 3 letter Abr.
months.iter().for_each(|(k, v)| if abc.contains(k) {
foo = foo.replace(k, v);
});
// TODO: Pad HH:MM:SS with exta zeros.
// See #102, https://github.com/chronotope/chrono/issues/102
// Handle -0000 as +0000
if abc.ends_with("-0000") {
foo = format!("{}+0000", &abc[..abc.len() - 5]);
}
let date = DateTime::parse_from_rfc2822(&foo);
match date {
Ok(bar) => bar.timestamp() as i32,
Err(baz) => {
// info!("{}", foo);
error!("Error while trying to parse \"{}\" as date.", foo);
error!("Error: {}", baz);
debug!("Falling back to default 0");
@ -344,11 +383,12 @@ mod tests {
assert_eq!(i.length, Some(15077388));
assert_eq!(
i.guid,
Some("https://request-for-explanation.github.io/podcast/ep9-a-once-in-a-lifetime-rfc/",)
Some(
"https://request-for-explanation.github.io/podcast/ep9-a-once-in-a-lifetime-rfc/",
)
);
assert_eq!(i.published_date, Some("Mon, 28 Aug 2017 15:00:00 PDT"));
// Need to fix datetime parser first
// assert_eq!(i.epoch, );
assert_eq!(i.epoch, 1503957600);
let second = channel.items().iter().nth(8).unwrap();
let i2 = parse_episode(&second, 0).unwrap();
@ -371,7 +411,6 @@ mod tests {
Some("https://request-for-explanation.github.io/podcast/ep8-an-existential-crisis/",)
);
assert_eq!(i2.published_date, Some("Tue, 15 Aug 2017 17:00:00 PDT"));
// Need to fix datetime parser first
// assert_eq!(i.epoch, );
assert_eq!(i2.epoch, 1502841600);
}
}