podcasts/podcasts-data/src/parser.rs
Jordan Petridis 32b257ec30
cargo fmt
2018-11-13 15:29:20 +02:00

101 lines
3.4 KiB
Rust

// parser.rs
//
// Copyright 2017 Jordan Petridis <jpetridis@gnome.org>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// SPDX-License-Identifier: GPL-3.0-or-later
use rss::extension::itunes::ITunesItemExtension;
/// Parses an Item Itunes extension and returns it's duration value in seconds.
// FIXME: Rafactor
#[allow(non_snake_case)]
pub(crate) fn parse_itunes_duration(item: Option<&ITunesItemExtension>) -> Option<i32> {
let duration = item.map(|s| s.duration())??;
// FOR SOME FUCKING REASON, IN THE APPLE EXTENSION SPEC
// THE DURATION CAN BE EITHER AN INT OF SECONDS OR
// A STRING OF THE FOLLOWING FORMATS:
// HH:MM:SS, H:MM:SS, MM:SS, M:SS
// LIKE WHO THE FUCK THOUGH THAT WOULD BE A GOOD IDEA.
if let Ok(NO_FUCKING_LOGIC) = duration.parse::<i32>() {
return Some(NO_FUCKING_LOGIC);
};
let mut seconds = 0;
let fk_apple = duration.split(':').collect::<Vec<_>>();
if fk_apple.len() == 3 {
seconds += fk_apple[0].parse::<i32>().unwrap_or(0) * 3600;
seconds += fk_apple[1].parse::<i32>().unwrap_or(0) * 60;
seconds += fk_apple[2].parse::<i32>().unwrap_or(0);
} else if fk_apple.len() == 2 {
seconds += fk_apple[0].parse::<i32>().unwrap_or(0) * 60;
seconds += fk_apple[1].parse::<i32>().unwrap_or(0);
}
Some(seconds)
}
#[cfg(test)]
mod tests {
use rss::extension::itunes::ITunesItemExtensionBuilder;
use super::*;
#[test]
fn test_itunes_duration() {
// Input is a String<Int>
let extension = ITunesItemExtensionBuilder::default()
.duration(Some("3370".into()))
.build()
.unwrap();
let item = Some(&extension);
assert_eq!(parse_itunes_duration(item), Some(3370));
// Input is a String<M:SS>
let extension = ITunesItemExtensionBuilder::default()
.duration(Some("6:10".into()))
.build()
.unwrap();
let item = Some(&extension);
assert_eq!(parse_itunes_duration(item), Some(370));
// Input is a String<MM:SS>
let extension = ITunesItemExtensionBuilder::default()
.duration(Some("56:10".into()))
.build()
.unwrap();
let item = Some(&extension);
assert_eq!(parse_itunes_duration(item), Some(3370));
// Input is a String<H:MM:SS>
let extension = ITunesItemExtensionBuilder::default()
.duration(Some("1:56:10".into()))
.build()
.unwrap();
let item = Some(&extension);
assert_eq!(parse_itunes_duration(item), Some(6970));
// Input is a String<HH:MM:SS>
let extension = ITunesItemExtensionBuilder::default()
.duration(Some("01:56:10".into()))
.build()
.unwrap();
let item = Some(&extension);
assert_eq!(parse_itunes_duration(item), Some(6970));
}
}