xml-expander/index.ts

79 lines
2.6 KiB
TypeScript

import Koa from "koa";
import Axios from "axios";
import * as xml2js from "xml2js";
const app = new Koa();
app.use(async (ctx) => {
try {
const { data } = await Axios.get(
"https://podcast.midline.pl/api/v1/channels/Midline/rss"
);
const builder = new xml2js.Builder();
const parsed_data = await xml2js.parseStringPromise(data);
parsed_data.rss.channel[0]["itunes:author"] =
"Arkadiusz Wieczorek, Kuba Orlik";
parsed_data.rss.channel[0]["itunes:owner"][0]["itunes:email"] =
"kontakt@midline.pl";
parsed_data.rss.channel[0]["itunes:owner"][0]["itunes:name"] =
"Arkadiusz Wieczorek, Kuba Orlik";
parsed_data.rss.channel[0]["link"] = "https://www.internet-czas-dzialac.pl";
parsed_data.rss.channel[0][
"itunes:keywords"
][0] = parsed_data.rss.channel[0]["itunes:keywords"][0]
.split(" ")
.toString();
parsed_data.rss.channel[0][
"itunes:summary"
][0] = parsed_data.rss.channel[0]["itunes:summary"][0].replace(
/(<([^>]+)>)/gi,
""
);
for (
let i = 0;
i < parsed_data.rss.channel[0]["atom:link"].length;
i++
) {
const atomLink = parsed_data.rss.channel[0]["atom:link"][i];
if (atomLink.$.rel === "self") {
atomLink.$.href = "https://podcast.midline.pl/feed.xml";
}
}
let last_index = 1;
for (let i = 0; i < parsed_data.rss.channel[0]["item"].length; i++) {
const item = parsed_data.rss.channel[0]["item"][i];
item["guid"][0].$.isPermaLink = item["guid"][0].$.isPermalink;
delete item["guid"][0].$.isPermalink;
item["itunes:subtitle"][0] =
item["itunes:subtitle"][0].slice(0, -2) + "…";
item["itunes:summary"][0] = item["itunes:summary"][0].replace(
/(<([^>]+)>)/gi,
""
);
if (item["title"][0].match(/#[0-9]*/)[0].substring(1) !== "0") {
try {
last_index = item["title"][0]
.match(/#[1-9][0-9]*/)[0]
.substring(1);
} catch (e) {
last_index = last_index + 1;
}
item["itunes:episode"] = [last_index];
}
}
ctx.body = builder.buildObject(parsed_data);
ctx.type = "application/rss+xml";
} catch (e) {
console.error(e);
ctx.body = "error";
ctx.status = 500;
}
});
app.listen(3000);