103 lines
2.9 KiB
Rust
103 lines
2.9 KiB
Rust
use glib;
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use gtk;
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use gdk_pixbuf::Pixbuf;
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use hammond_data::feed;
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use hammond_data::{Podcast, Source};
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use hammond_downloader::downloader;
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use std::{thread, time};
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use std::cell::RefCell;
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use std::sync::mpsc::{channel, Receiver};
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use views::podcasts;
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type Foo = RefCell<Option<(gtk::Stack, Receiver<bool>)>>;
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// Create a thread local storage that will store the arguments to be transfered.
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thread_local!(static GLOBAL: Foo = RefCell::new(None));
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/// Update the rss feed(s) originating from `Source`.
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/// If `source` is None, Fetches all the `Source` entries in the database and updates them.
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/// `delay` represents the desired time in seconds for the thread to sleep before executing.
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/// When It's done,it queues up a `podcast_view` refresh.
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pub fn refresh_feed(stack: >k::Stack, source: Option<Vec<Source>>, delay: Option<u64>) {
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// Create a async channel.
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let (sender, receiver) = channel();
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// Pass the desired arguments into the Local Thread Storage.
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GLOBAL.with(clone!(stack => move |global| {
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*global.borrow_mut() = Some((stack, receiver));
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}));
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thread::spawn(move || {
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if let Some(s) = delay {
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let t = time::Duration::from_secs(s);
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thread::sleep(t);
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}
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let feeds = {
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if let Some(vec) = source {
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Ok(feed::fetch(vec))
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} else {
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feed::fetch_all()
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}
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};
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if let Ok(x) = feeds {
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feed::index(x);
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sender.send(true).expect("Couldn't send data to channel");;
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glib::idle_add(refresh_podcasts_view);
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};
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});
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}
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fn refresh_podcasts_view() -> glib::Continue {
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GLOBAL.with(|global| {
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if let Some((ref stack, ref reciever)) = *global.borrow() {
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if reciever.try_recv().is_ok() {
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podcasts::update_podcasts_view(stack);
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}
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}
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});
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glib::Continue(false)
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}
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pub fn get_pixbuf_from_path(pd: &Podcast) -> Option<Pixbuf> {
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let img_path = downloader::cache_image(pd);
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if let Some(i) = img_path {
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Pixbuf::new_from_file_at_scale(&i, 256, 256, true).ok()
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} else {
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None
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}
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}
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#[cfg(test)]
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mod tests {
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use hammond_data::Source;
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use hammond_data::feed::index;
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use hammond_data::dbqueries;
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use diesel::Identifiable;
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use super::*;
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#[test]
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fn test_get_pixbuf_from_path() {
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let url = "http://www.newrustacean.com/feed.xml";
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// Create and index a source
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let source = Source::from_url(url).unwrap();
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// Copy it's id
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let sid = source.id().clone();
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// Convert Source it into a Feed and index it
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let feed = source.into_feed().unwrap();
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index(vec![feed]);
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// Get the Podcast
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let pd = dbqueries::get_podcast_from_source_id(sid).unwrap();
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let pxbuf = get_pixbuf_from_path(&pd);
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assert!(pxbuf.is_some());
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}
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}
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