76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
import Koa from "koa";
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import Axios from "axios";
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import * as xml2js from "xml2js";
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const app = new Koa();
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function trim(str: string, length: number): string {
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return str.length <= length ? str : str.slice(0, length - 1) + "…";
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}
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app.use(async (ctx) => {
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try {
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const { data } = await Axios.get(
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"https://podcast.midline.pl/api/v1/channels/Midline/rss"
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);
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const builder = new xml2js.Builder();
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const parsed_data = await xml2js.parseStringPromise(data);
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parsed_data.rss.channel[0]["itunes:author"] =
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"Arkadiusz Wieczorek, Kuba Orlik";
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parsed_data.rss.channel[0]["itunes:owner"][0]["itunes:email"] =
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"kontakt@midline.pl";
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parsed_data.rss.channel[0]["itunes:owner"][0]["itunes:name"] =
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"Arkadiusz Wieczorek, Kuba Orlik";
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parsed_data.rss.channel[0]["link"] = "https://www.internet-czas-dzialac.pl";
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parsed_data.rss.channel[0]["itunes:keywords"][0] =
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parsed_data.rss.channel[0]["itunes:keywords"][0].split(" ").toString();
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parsed_data.rss.channel[0]["itunes:summary"][0] =
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parsed_data.rss.channel[0]["itunes:summary"][0].replace(
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/(<([^>]+)>)/gi,
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""
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);
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parsed_data.rss.channel[0]["itunes:subtitle"][0] = trim(
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parsed_data.rss.channel[0]["itunes:subtitle"][0],
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255
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);
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for (let i = 0; i < parsed_data.rss.channel[0]["atom:link"].length; i++) {
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const atomLink = parsed_data.rss.channel[0]["atom:link"][i];
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if (atomLink.$.rel === "self") {
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atomLink.$.href = "https://podcast.midline.pl/feed.xml";
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}
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}
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let last_index = 1;
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for (let i = 0; i < parsed_data.rss.channel[0]["item"].length; i++) {
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const item = parsed_data.rss.channel[0]["item"][i];
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item["guid"][0].$.isPermaLink = item["guid"][0].$.isPermalink;
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delete item["guid"][0].$.isPermalink;
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item["itunes:subtitle"][0] = trim(item["itunes:subtitle"][0], 255);
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item["itunes:summary"][0] = item["itunes:summary"][0].replace(
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/(<([^>]+)>)/gi,
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""
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);
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if (item["title"][0].match(/#[0-9]*/)[0].substring(1) !== "0") {
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try {
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last_index = item["title"][0].match(/#[1-9][0-9]*/)[0].substring(1);
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} catch (e) {
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last_index = last_index + 1;
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}
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item["itunes:episode"] = [last_index];
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}
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}
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ctx.body = builder.buildObject(parsed_data);
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ctx.type = "application/rss+xml";
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} catch (e) {
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console.error(e);
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ctx.body = "error";
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ctx.status = 500;
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}
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});
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app.listen(3000);
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