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import { Config } from "./config.ts";
const ws = new WebSocket(Deno.args[0])
// deno-lint-ignore no-unused-vars
let config: Config = {} as unknown as Config
async function flat_feed(cid: string, data: { [key: string]: unknown }) {
const feedurl = `https://www.youtube.com/feeds/videos.xml?channel_id=${cid}`
console.log(`load feed ${feedurl}`);
const res = await fetch(feedurl)
if (!res.ok) throw new Error("feed download error:" + await res.text());
const feed = await res.text()
for (const entry of feed.split("<entry>")) {
const id_match = entry.match(/\<yt:videoId\>([0-9A-Za-z-_]{11})\<\/yt:videoId\>/)
const title_match = entry.match(/\<title\>([^\<]*)\<\/title\>/)
const uploader_match = entry.match(/\<name\>([^\<]*)\<\/name\>/)
if (!id_match || !title_match || !uploader_match) continue
const id = id_match[1]
const title = title_match[1]
const uploader = uploader_match[1]
const key = `youtube:${id}`;
ws.send(JSON.stringify({
t: "metadata",
key,
data: {
...data,
title: title,
subtitle: `by ${uploader}`,
}
}))
ws.send(JSON.stringify({ t: "enqueue", key }))
}
console.log("done");
}
ws.onerror = () => console.error("ws error")
ws.onclose = () => {
console.error("ws closed")
Deno.exit(1)
}
ws.onopen = () => {
console.log("ws open");
ws.send(JSON.stringify({ t: "register", name: "YouTube XML feed flattener", task_kinds: ["youtube-channel-xmlfeed"] }))
ws.send(JSON.stringify({ t: "accept" }))
}
ws.onmessage = async ev => {
if (typeof ev.data != "string") return
const p = JSON.parse(ev.data)
if (p.t == "config") config = p.config
if (p.t == "error") console.error(`error: ${p.message}`);
if (p.t == "work") {
await flat_feed(p.key.replace("youtube-channel-xmlfeed:", ""), p.data)
ws.send(JSON.stringify({ t: "complete", key: p.key }))
ws.send(JSON.stringify({ t: "save" }))
ws.send(JSON.stringify({ t: "accept" }))
}
}
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