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51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
"use strict";
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const assert = require("assert");
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const pipe = require("@promistream/pipe");
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const simpleSink = require("@promistream/simple-sink");
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const assureResponse = require("../../shared/assure-response");
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const parseSitemapResponse = require("../../shared/parse-sitemap-response");
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module.exports = function tmeScrapeSitemap({ session }) {
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return async function ({ data, createItem }) {
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let response = await session.get(data.url, { stream: true });
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assureResponse(response);
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let resultCount = 0;
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await pipe([
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parseSitemapResponse(response),
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simpleSink((item) => {
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assert(item.url);
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if (item.type === "sitemap") {
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// NOTE: We are only interested in the sitemaps that enumerate components, not those that list categories etc.
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if (/pip_part[0-9]+\.xml(\.gz)?/.test(item.url)) {
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createItem({
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id: `tme:sitemap:${item.url}`,
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tags: [ "tme:sitemap" ],
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data: { url: item.url }
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});
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resultCount += 1;
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}
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} else if (item.type === "url") {
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if (item.url.startsWith("https://www.tme.eu/en/details/")) {
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createItem({
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id: `tme:product:${item.url}`,
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tags: [ "tme:product" ],
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data: { url: item.url }
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});
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resultCount += 1;
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}
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}
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})
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]).read();
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// If we don't get at least *some* items out of a sitemap, something is wrong - eg. the URL format changed and we are no longer matching anything.
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assert(resultCount > 0);
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};
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};
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