arnekeller/KIT-ILIAS-downloader
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Fix video downloading

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Load the full lecture list differently (should work for every course now)
Actually download new videos
This commit is contained in:
FliegendeWurst 2020-07-16 11:34:56 +02:00
parent 3b31b08246
commit 449d642bf5
3 changed files with 34 additions and 13 deletions
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2
Cargo.lock generated
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@ -2,7 +2,7 @@
# It is not intended for manual editing.
[[package]]
name = "KIT-ILIAS-downloader"
version = "0.2.7"
version = "0.2.8"
dependencies = [
"anyhow",
"futures-util",

2
Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "KIT-ILIAS-downloader"
version = "0.2.7"
version = "0.2.8"
authors = ["FliegendeWurst <2012gdwu@web.de>"]
license = "GPL-2.0"
edition = "2018"

35
src/main.rs
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@ -227,10 +227,34 @@ fn process(ilias: Arc<ILIAS>, mut path: PathBuf, obj: Object) -> impl Future<Out
return Ok(());
}
create_dir(&path).await?;
let list_url = format!("{}ilias.php?ref_id={}&cmdClass=xocteventgui&cmdNode=n7:mz:14p&baseClass=ilObjPluginDispatchGUI&lang=de&limit=800&cmd=asyncGetTableGUI&cmdMode=asynch", ILIAS_URL, url.ref_id);
let full_url = {
// first find the link to full video list
let list_url = format!("{}ilias.php?ref_id={}&cmdClass=xocteventgui&cmdNode=n7:mz:14p&baseClass=ilObjPluginDispatchGUI&lang=de&limit=20&cmd=asyncGetTableGUI&cmdMode=asynch", ILIAS_URL, url.ref_id);
log!(1, "Loading {}", list_url);
let data = ilias.download(&list_url).await?;
let html = data.text().await?;
let html = Html::parse_fragment(&html);
html.select(&a)
.filter_map(|link| link.value().attr("href"))
.filter(|href| href.contains("trows=800"))
.map(|x| x.to_string()).next().ok_or(anyhow!("video list link not found"))?
};
log!(1, "Rewriting {}", full_url);
let mut full_url = Url::parse(&format!("{}{}", ILIAS_URL, full_url))?;
let mut query_parameters = full_url.query_pairs().map(|(x,y)| (x.into_owned(), y.into_owned())).collect::<Vec<_>>();
for (key, value) in &mut query_parameters {
match &**key {
"cmd" => *value = "asyncGetTableGUI".into(),
"cmdClass" => *value = "xocteventgui".into(),
_ => {}
}
}
query_parameters.push(("cmdMode".into(), "asynch".into()));
full_url.query_pairs_mut().clear().extend_pairs(&query_parameters).finish();
log!(1, "Loading {}", full_url);
let data = ilias.download(&full_url.into_string()).await?;
let html = data.text().await?;
let html = Html::parse_fragment(&html);
for row in html.select(&video_tr) {
let link = row.select(&a_target_blank).next();
if link.is_none() {
@ -286,17 +310,14 @@ fn process(ilias: Arc<ILIAS>, mut path: PathBuf, obj: Object) -> impl Future<Out
.map(|x| x.as_str())
.ok_or(anyhow!("video src not found"))?
.ok_or(anyhow!("video src not string"))?;
if !ilias.opt.force {
if let Ok(meta) = fs::metadata(&path).await {
if ilias.opt.check_videos {
let meta = fs::metadata(&path).await;
if !ilias.opt.force && meta.is_ok() && ilias.opt.check_videos {
let head = ilias.client.head(url).send().await.context("HEAD request failed")?;
if let Some(len) = head.headers().get("content-length") {
if meta.len() != len.to_str()?.parse::<u64>()? {
if meta.unwrap().len() != len.to_str()?.parse::<u64>()? {
log!(0, "Warning: {} was updated, consider moving the outdated file", relative_path.to_string_lossy());
}
}
}
}
} else {
let resp = ilias.download(&url).await?;
let mut reader = stream_reader(resp.bytes_stream().map_err(|x| {