add Docker configuration and news crawler implementation
This commit is contained in:
ImBenji
parent
7724fafbdc
commit
c91e4ddb60
8 changed files with 915 additions and 2 deletions
10
.dockerignore
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10
.dockerignore
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node_modules
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npm-debug.log
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Dockerfile*
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docker-compose*.yml
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.git
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.gitignore
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archive.sqlite
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archive.sqlite-shm
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archive.sqlite-wal
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data
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2
.gitignore
vendored
2
.gitignore
vendored
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@ -2,7 +2,7 @@ node_modules/
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.env
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.env.*
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config.json
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#config.json
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*.sqlite
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*.sqlite-shm
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17
Dockerfile
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17
Dockerfile
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FROM node:22-bookworm-slim
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ENV NODE_ENV=production
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WORKDIR /app
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COPY package.json package-lock.json ./
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RUN npm ci --omit=dev \
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&& npm cache clean --force \
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&& mkdir -p /data \
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&& ln -s /data/archive.sqlite /app/archive.sqlite
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COPY . .
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EXPOSE 3001
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CMD ["npm", "start"]
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@ -25,7 +25,8 @@ Node.js Fastify server that ingests news articles from RSS, SEC EDGAR 8-K filing
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## Notes
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- SQLite archive file defaults to `./archive.sqlite`.
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- Deduplication is enforced on `url` and normalized title.
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- Deduplication is enforced on `url`; normalized titles are stored and indexed for matching but are not unique.
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- `newsCrawler.sites` can be configured with same-site seed pages for bounded HTML crawling and historical article discovery.
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- Article body extraction runs asynchronously after insertion, with hourly retries for rows still missing content.
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- Main article images are stored as ultra-compressed base64 WebP.
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- Embeddings are generated asynchronously with OpenRouter `perplexity/pplx-embed-v1-0.6b` and indexed in `sqlite-vec` for similarity search.
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406
config.json
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406
config.json
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@ -0,0 +1,406 @@
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{
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"server": {
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"port": 3001,
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"host": "0.0.0.0"
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},
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"database": {
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"path": "./archive.sqlite"
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},
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"sec": {
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"userAgent": "Augor benjamin.watt@imbenji.net",
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"tickers": []
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},
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"alphaVantage": {
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"apiKey": "KJ68ZQEW0PF524UA",
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"tickers": []
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},
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"finnhub": {
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"apiKey": "d7gg0h1r01qmqj4573sgd7gg0h1r01qmqj4573t0",
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"tickers": []
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},
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"openRouter": {
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"apiKey": "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"
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},
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"rssFeeds": [
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{
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"url": "https://www.aljazeera.com/xml/rss/all.xml",
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"label": "Al Jazeera"
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},
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{
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"url": "https://feeds.bbci.co.uk/news/business/rss.xml",
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"label": "BBC Business"
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},
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{
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"url": "https://feeds.businessinsider.com/custom/all",
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"label": "Business Insider"
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},
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{
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"url": "https://feeds.bloomberg.com/markets/news.rss",
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"label": "Bloomberg Markets"
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},
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{
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"url": "https://www.cnbc.com/id/100003114/device/rss/rss.html",
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"label": "CNBC"
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},
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{
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"url": "https://feeds.a.dj.com/rss/RSSMarketsMain.xml",
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"label": "Wall Street Journal"
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},
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{
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"url": "https://feeds.marketwatch.com/marketwatch/topstories/",
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"label": "MarketWatch"
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},
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{
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"url": "https://finance.yahoo.com/news/rssindex",
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"label": "Yahoo Finance"
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},
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{
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"url": "https://seekingalpha.com/feed.xml",
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"label": "Seeking Alpha"
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},
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{
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"url": "https://www.ft.com/?format=rss",
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"label": "Financial Times"
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},
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{
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"url": "https://www.economist.com/finance-and-economics/rss.xml",
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"label": "The Economist"
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},
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{
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"url": "https://fortune.com/feed",
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"label": "Fortune"
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},
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{
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"url": "https://www.forbes.com/business/feed/",
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"label": "Forbes Business"
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},
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{
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"url": "https://www.inc.com/rss",
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"label": "Inc Magazine"
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},
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{
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"url": "https://www.fastcompany.com/latest/rss",
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"label": "Fast Company"
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},
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{
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"url": "https://www.entrepreneur.com/latest.rss",
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"label": "Entrepreneur"
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},
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{
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"url": "https://api.axios.com/feed/",
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"label": "Axios"
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},
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{
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"url": "https://www.wired.com/feed/category/business/latest/rss",
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"label": "Wired Business"
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},
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{
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"url": "https://feeds.npr.org/1006/rss.xml",
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"label": "NPR Business"
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},
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{
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"url": "https://www.federalreserve.gov/feeds/press_all.xml",
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"label": "Federal Reserve"
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},
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{
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"url": "https://techcrunch.com/feed/",
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"label": "TechCrunch"
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},
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{
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"url": "https://www.theverge.com/rss/index.xml",
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"label": "The Verge"
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},
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{
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"url": "https://feeds.arstechnica.com/arstechnica/index",
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"label": "Ars Technica"
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},
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{
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"url": "https://www.retaildive.com/feeds/news/",
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"label": "Retail Dive"
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},
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{
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"url": "https://www.manufacturingdive.com/feeds/news/",
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"label": "Manufacturing Dive"
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},
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{
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"url": "https://www.bankingdive.com/feeds/news/",
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"label": "Banking Dive"
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},
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{
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"url": "https://financialpost.com/feed",
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"label": "Financial Post CA"
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},
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{
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"url": "https://www.theglobeandmail.com/arc/outboundfeeds/rss/category/business/",
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"label": "Globe and Mail"
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},
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{
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"url": "https://www.theguardian.com/uk/business/rss",
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"label": "Guardian Business"
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},
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{
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"url": "https://feeds.skynews.com/feeds/rss/business.xml",
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"label": "Sky News Business"
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},
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{
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"url": "https://www.thisismoney.co.uk/money/news/index.rss",
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"label": "This Is Money"
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},
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{
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"url": "https://www.cityam.com/feed/",
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"label": "City A.M."
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},
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{
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"url": "https://www.spiegel.de/wirtschaft/index.rss",
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"label": "Spiegel Wirtschaft"
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},
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{
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"url": "https://www.handelsblatt.com/contentexport/feed/schlagzeilen",
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"label": "Handelsblatt"
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},
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{
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"url": "https://www.faz.net/rss/aktuell/wirtschaft/",
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"label": "FAZ Wirtschaft"
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},
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{
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"url": "https://www.welt.de/feeds/section/wirtschaft.rss",
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"label": "Die Welt Wirtschaft"
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},
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{
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"url": "https://feeds.lesechos.fr/rss/rss_la_une.xml",
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"label": "Les Echos"
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},
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{
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"url": "https://www.lemonde.fr/economie/rss_full.xml",
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"label": "Le Monde Economie"
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},
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{
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"url": "https://bfmbusiness.bfmtv.com/rss/news-flux-rss/",
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"label": "BFM Business"
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},
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{
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"url": "https://www.eleconomista.es/rss/rss-de-portada.php",
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"label": "El Economista ES"
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},
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{
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"url": "https://e00-expansion.uecdn.es/rss/portada.xml",
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"label": "Expansion ES"
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},
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{
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"url": "https://cincodias.elpais.com/rss/cincodias/ultima_hora_mercados.xml",
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"label": "Cinco Dias"
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},
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{
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"url": "https://www.ilsole24ore.com/rss/economia--finanza.xml",
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"label": "Il Sole 24 Ore"
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},
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{
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"url": "https://fd.nl/rss",
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"label": "FD.nl"
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},
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{
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"url": "https://www.nzz.ch/wirtschaft.rss",
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"label": "NZZ Wirtschaft"
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},
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{
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"url": "https://www.themoscowtimes.com/rss/news",
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"label": "Moscow Times"
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},
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{
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"url": "https://rssexport.rbc.ru/rbcnews/news/30/full.rss",
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"label": "RBC Russia"
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},
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{
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"url": "https://economictimes.indiatimes.com/rssfeedstopstories.cms",
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"label": "Economic Times India"
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},
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{
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"url": "https://www.business-standard.com/rss/home_page_top_stories.rss",
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"label": "Business Standard IN"
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},
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{
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"url": "https://www.livemint.com/rss/headlines",
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"label": "Live Mint"
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},
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{
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"url": "https://www.moneycontrol.com/rss/MCtopnews.xml",
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"label": "Moneycontrol"
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},
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{
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"url": "https://www.thehindubusinessline.com/feeder/default.rss",
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"label": "Hindu Business Line"
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},
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{
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"url": "https://www.caixinglobal.com/rss/newsfeeds/",
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"label": "Caixin Global"
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},
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{
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"url": "https://www.chinadaily.com.cn/rss/bizchina_rss.xml",
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"label": "China Daily Business"
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},
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{
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"url": "https://english.news.cn/rss/business.xml",
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"label": "Xinhua Business"
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},
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{
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"url": "https://www.scmp.com/rss/91/feed",
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"label": "South China Morning Post"
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},
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{
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"url": "https://asia.nikkei.com/rss/feed/nar",
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"label": "Nikkei Asia"
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},
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{
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"url": "https://www.japantimes.co.jp/feed/business/",
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"label": "Japan Times Business"
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},
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{
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"url": "https://www.koreaherald.com/rss/010000000000.xml",
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"label": "Korea Herald"
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},
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{
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"url": "https://koreajoongangdaily.joins.com/rss/",
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"label": "Korea JoongAng Daily"
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},
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{
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"url": "https://www.businesstimes.com.sg/rss.xml",
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"label": "Business Times SG"
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},
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{
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"url": "https://www.straitstimes.com/news/business/rss.xml",
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"label": "Straits Times Business"
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},
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{
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"url": "https://www.channelnewsasia.com/rssfeeds/8395986",
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"label": "Channel NewsAsia"
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},
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{
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"url": "https://www.bangkokpost.com/rss/data/business.xml",
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"label": "Bangkok Post Business"
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},
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{
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"url": "https://www.thestar.com.my/rss/Business/Business-News",
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"label": "The Star Malaysia"
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},
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{
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"url": "https://www.afr.com/rss",
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"label": "Australian Fin Review"
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},
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{
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"url": "https://www.abc.net.au/news/feed/52278/rss.xml",
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"label": "ABC Business AU"
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},
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{
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"url": "https://www.nzherald.co.nz/arc/outboundfeeds/rss/section/business/",
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"label": "NZ Herald Business"
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},
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{
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"url": "https://www.arabianbusiness.com/rss.xml",
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"label": "Arabian Business"
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},
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{
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"url": "https://gulfnews.com/rss/business",
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"label": "Gulf News Business"
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},
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{
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"url": "https://www.arabnews.com/rss/front_page.xml",
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"label": "Arab News"
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},
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{
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"url": "https://www.thenationalnews.com/arc/outboundfeeds/rss/?outputType=xml",
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"label": "The National UAE"
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},
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{
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"url": "https://businessday.ng/feed/",
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"label": "BusinessDay Nigeria"
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},
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{
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"url": "https://www.moneyweb.co.za/feed/",
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"label": "Moneyweb SA"
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},
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{
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"url": "https://www.businesslive.co.za/rss/bd/",
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"label": "BusinessLive SA"
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},
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{
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"url": "https://www.businessdailyafrica.com/rss/",
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"label": "Business Daily Africa"
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},
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{
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"url": "https://www.vanguardngr.com/category/business/feed/",
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"label": "Vanguard Business NG"
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},
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{
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"url": "https://feeds.folha.uol.com.br/mercado/rss091.xml",
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"label": "Folha Mercado BR"
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},
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{
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"url": "https://g1.globo.com/dynamo/economia/rss2.xml",
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"label": "G1 Economia BR"
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},
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{
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"url": "https://exame.com/feed/",
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"label": "Exame BR"
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},
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{
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"url": "https://www.eleconomista.com.mx/rss/rss.html",
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"label": "El Economista MX"
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},
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{
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"url": "https://expansion.mx/rss",
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"label": "Expansion MX"
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},
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{
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"url": "https://www.lanacion.com.ar/arc/outboundfeeds/rss/category/economia/",
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"label": "La Nacion AR"
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},
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{
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"url": "https://www.infobae.com/feeds/rss/economia/",
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"label": "Infobae Economia AR"
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},
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{
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"url": "https://www.portafolio.co/rss/portafolio.xml",
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"label": "Portafolio Colombia"
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},
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{
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"url": "https://elcomercio.pe/arc/outboundfeeds/rss/section/economia/",
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"label": "El Comercio Peru"
|
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}
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],
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"gdelt": {
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"queries": [
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"technology"
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],
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"mode": "ArtList",
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"maxRecords": 50,
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"format": "json"
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},
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"newsCrawler": {
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"sites": [
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{
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"name": "crawler_reuters",
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"allowedHosts": [
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"www.reuters.com",
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"reuters.com"
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],
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"seeds": [
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"https://www.reuters.com/world/",
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"https://www.reuters.com/business/",
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"https://www.reuters.com/markets/",
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"https://www.reuters.com/technology/"
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],
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"maxPages": 100,
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"maxDepth": 2,
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"requestTimeout": 15000
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}
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]
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},
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"scheduler": {
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"rss": "0 */6 * * *",
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||||
"gdelt": "0 */6 * * *",
|
||||
"edgar": "15 0 * * *",
|
||||
"alphaVantage": "30 0 * * *",
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||||
"finnhub": "45 0 * * *",
|
||||
"newsCrawler": "15 */12 * * *"
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||||
}
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||||
}
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16
docker-compose.yml
Normal file
16
docker-compose.yml
Normal file
|
|
@ -0,0 +1,16 @@
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services:
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api:
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||||
build:
|
||||
context: .
|
||||
volumes:
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||||
- ./config.json:/app/config.json:ro
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- ./data:/data
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||||
environment:
|
||||
NODE_ENV: production
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restart: unless-stopped
|
||||
networks:
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||||
- nginx_proxy_manager_default
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||||
|
||||
networks:
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||||
nginx_proxy_manager_default:
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external: true
|
||||
|
|
@ -6,6 +6,7 @@ const { fetchGdeltArticles } = require('./sources/gdelt');
|
|||
const { fetchEdgarArticles } = require('./sources/edgar');
|
||||
const { fetchAlphaVantageArticles } = require('./sources/alphavantage');
|
||||
const { fetchFinnhubArticles } = require('./sources/finnhub');
|
||||
const { fetchCrawlerArticles } = require('./sources/newsCrawler');
|
||||
const { backfillMissingContent } = require('./content');
|
||||
const { backfillMissingEmbeddings } = require('./embeddings');
|
||||
|
||||
|
|
@ -27,6 +28,7 @@ async function runAllIngestions() {
|
|||
results.push(await runSource('edgar', fetchEdgarArticles));
|
||||
results.push(await runSource('alphavantage', fetchAlphaVantageArticles));
|
||||
results.push(await runSource('finnhub', fetchFinnhubArticles));
|
||||
results.push(await runSource('news_crawler', fetchCrawlerArticles));
|
||||
|
||||
try {
|
||||
await backfillMissingContent();
|
||||
|
|
@ -64,6 +66,12 @@ function startScheduler() {
|
|||
await runSource('finnhub', fetchFinnhubArticles);
|
||||
});
|
||||
|
||||
if (config.scheduler.newsCrawler) {
|
||||
cron.schedule(config.scheduler.newsCrawler, async () => {
|
||||
await runSource('news_crawler', fetchCrawlerArticles);
|
||||
});
|
||||
}
|
||||
|
||||
cron.schedule('0 * * * *', async () => {
|
||||
try {
|
||||
await backfillMissingContent();
|
||||
|
|
|
|||
455
src/sources/newsCrawler.js
Normal file
455
src/sources/newsCrawler.js
Normal file
|
|
@ -0,0 +1,455 @@
|
|||
const config = require('../config');
|
||||
const { fetchWithPolicy } = require('../http');
|
||||
|
||||
const TRACKING_PARAM_PATTERNS = [
|
||||
/^utm_/i,
|
||||
/^fbclid$/i,
|
||||
/^gclid$/i,
|
||||
/^mkt_tok$/i,
|
||||
/^mc_cid$/i,
|
||||
/^mc_eid$/i,
|
||||
/^ref$/i,
|
||||
/^ref_src$/i,
|
||||
/^s$/i,
|
||||
/^cmpid$/i,
|
||||
/^guccounter$/i,
|
||||
/^guce_referrer$/i,
|
||||
/^guce_referrer_sig$/i,
|
||||
];
|
||||
const LISTING_PATH_HINT = /(archive|archives|latest|topic|topics|section|sections|category|categories|news|world|business|politics|technology|tech|markets|economy|page|tag|tags)/i;
|
||||
const ARTICLE_DATE_PATH = /\/\d{4}\/\d{2}\/\d{2}(?:\/|$)|\/\d{4}\/\d{2}(?:\/|$)/;
|
||||
const ARTICLE_PATH_HINT = /(\/article\/|\/articles\/|\/news\/|\/story\/|\/stories\/)/i;
|
||||
const BLOCKED_PATH_HINT = /(\/search(?:\/|$)|\/login(?:\/|$)|\/account(?:\/|$)|\/video(?:\/|$)|\/videos(?:\/|$)|\/podcast(?:\/|$)|\/podcasts(?:\/|$)|\/live(?:\/|$))/i;
|
||||
const USER_AGENT = 'duriin_api crawler/1.0';
|
||||
|
||||
function decodeHtmlEntities(value) {
|
||||
return String(value || '')
|
||||
.replace(/&#x([0-9a-f]+);/gi, (_, hex) => String.fromCodePoint(parseInt(hex, 16)))
|
||||
.replace(/&#(\d+);/g, (_, dec) => String.fromCodePoint(parseInt(dec, 10)))
|
||||
.replace(/"/g, '"')
|
||||
.replace(/'/g, "'")
|
||||
.replace(/'/g, "'")
|
||||
.replace(/&/g, '&')
|
||||
.replace(/</g, '<')
|
||||
.replace(/>/g, '>')
|
||||
.replace(/ /g, ' ');
|
||||
}
|
||||
|
||||
function stripTags(value) {
|
||||
return decodeHtmlEntities(String(value || '').replace(/<[^>]*>/g, ' ')).replace(/\s+/g, ' ').trim();
|
||||
}
|
||||
|
||||
function normalizeText(value) {
|
||||
return stripTags(value).replace(/\s+/g, ' ').trim();
|
||||
}
|
||||
|
||||
function isAllowedHost(hostname, allowedHosts) {
|
||||
const normalized = String(hostname || '').toLowerCase();
|
||||
return allowedHosts.some((allowedHost) => {
|
||||
const candidate = String(allowedHost || '').toLowerCase();
|
||||
return normalized === candidate || normalized.endsWith(`.${candidate}`);
|
||||
});
|
||||
}
|
||||
|
||||
function shouldDropParam(key) {
|
||||
return TRACKING_PARAM_PATTERNS.some((pattern) => pattern.test(key));
|
||||
}
|
||||
|
||||
function canonicalizeUrl(rawUrl, baseUrl, allowedHosts) {
|
||||
try {
|
||||
const url = new URL(rawUrl, baseUrl);
|
||||
|
||||
if (!['http:', 'https:'].includes(url.protocol)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
if (!isAllowedHost(url.hostname, allowedHosts)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
url.hash = '';
|
||||
url.username = '';
|
||||
url.password = '';
|
||||
|
||||
const params = [...url.searchParams.entries()]
|
||||
.filter(([key]) => !shouldDropParam(key))
|
||||
.sort(([left], [right]) => left.localeCompare(right));
|
||||
|
||||
url.search = '';
|
||||
for (const [key, value] of params) {
|
||||
url.searchParams.append(key, value);
|
||||
}
|
||||
|
||||
if (url.pathname !== '/') {
|
||||
url.pathname = url.pathname.replace(/\/+$/, '') || '/';
|
||||
}
|
||||
|
||||
return url.toString();
|
||||
} catch {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
function extractAttribute(tag, name) {
|
||||
const match = tag.match(new RegExp(`${name}\\s*=\\s*(["'])(.*?)\\1`, 'i'));
|
||||
return match ? decodeHtmlEntities(match[2]).trim() : '';
|
||||
}
|
||||
|
||||
function extractMetaMap(html) {
|
||||
const metas = new Map();
|
||||
const metaTags = html.match(/<meta\b[^>]*>/gi) || [];
|
||||
|
||||
for (const tag of metaTags) {
|
||||
const key = extractAttribute(tag, 'property') || extractAttribute(tag, 'name');
|
||||
const content = extractAttribute(tag, 'content');
|
||||
|
||||
if (!key || !content) {
|
||||
continue;
|
||||
}
|
||||
|
||||
metas.set(key.toLowerCase(), content);
|
||||
}
|
||||
|
||||
return metas;
|
||||
}
|
||||
|
||||
function extractCanonicalHref(html) {
|
||||
const links = html.match(/<link\b[^>]*>/gi) || [];
|
||||
|
||||
for (const tag of links) {
|
||||
const rel = extractAttribute(tag, 'rel').toLowerCase();
|
||||
if (!rel || !rel.split(/\s+/).includes('canonical')) {
|
||||
continue;
|
||||
}
|
||||
|
||||
const href = extractAttribute(tag, 'href');
|
||||
if (href) {
|
||||
return href;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
function extractTitleTag(html) {
|
||||
const match = html.match(/<title[^>]*>([\s\S]*?)<\/title>/i);
|
||||
return match ? normalizeText(match[1]) : null;
|
||||
}
|
||||
|
||||
function extractH1(html) {
|
||||
const match = html.match(/<h1\b[^>]*>([\s\S]*?)<\/h1>/i);
|
||||
return match ? normalizeText(match[1]) : null;
|
||||
}
|
||||
|
||||
function extractTimeDatetime(html) {
|
||||
const match = html.match(/<time\b[^>]*datetime\s*=\s*(["'])(.*?)\1/i);
|
||||
return match ? decodeHtmlEntities(match[2]).trim() : null;
|
||||
}
|
||||
|
||||
function extractParagraphTextLength(html) {
|
||||
const paragraphs = html.match(/<p\b[^>]*>[\s\S]*?<\/p>/gi) || [];
|
||||
return paragraphs.slice(0, 10).reduce((total, paragraph) => total + normalizeText(paragraph).length, 0);
|
||||
}
|
||||
|
||||
function extractJsonLdBlocks(html) {
|
||||
const blocks = [];
|
||||
const regex = /<script\b[^>]*type\s*=\s*(["'])application\/ld\+json\1[^>]*>([\s\S]*?)<\/script>/gi;
|
||||
let match;
|
||||
|
||||
while ((match = regex.exec(html)) !== null) {
|
||||
const raw = String(match[2] || '').trim();
|
||||
if (!raw) {
|
||||
continue;
|
||||
}
|
||||
|
||||
try {
|
||||
blocks.push(JSON.parse(raw));
|
||||
} catch {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
return blocks;
|
||||
}
|
||||
|
||||
function walkJson(value, visit) {
|
||||
if (Array.isArray(value)) {
|
||||
for (const item of value) {
|
||||
walkJson(item, visit);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (!value || typeof value !== 'object') {
|
||||
return;
|
||||
}
|
||||
|
||||
visit(value);
|
||||
|
||||
for (const child of Object.values(value)) {
|
||||
walkJson(child, visit);
|
||||
}
|
||||
}
|
||||
|
||||
function isArticleType(type) {
|
||||
if (Array.isArray(type)) {
|
||||
return type.some((entry) => isArticleType(entry));
|
||||
}
|
||||
|
||||
return ['article', 'newsarticle'].includes(String(type || '').toLowerCase());
|
||||
}
|
||||
|
||||
function extractArticleJsonLd(html) {
|
||||
const blocks = extractJsonLdBlocks(html);
|
||||
let article = null;
|
||||
|
||||
for (const block of blocks) {
|
||||
walkJson(block, (value) => {
|
||||
if (!article && isArticleType(value['@type'])) {
|
||||
article = value;
|
||||
}
|
||||
});
|
||||
|
||||
if (article) {
|
||||
return article;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
function extractLinks(html, pageUrl, allowedHosts) {
|
||||
const links = [];
|
||||
const seen = new Set();
|
||||
const regex = /<a\b[^>]*href\s*=\s*(["'])(.*?)\1[^>]*>([\s\S]*?)<\/a>/gi;
|
||||
let match;
|
||||
|
||||
while ((match = regex.exec(html)) !== null) {
|
||||
const url = canonicalizeUrl(match[2], pageUrl, allowedHosts);
|
||||
if (!url || seen.has(url)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
const text = normalizeText(match[3]);
|
||||
seen.add(url);
|
||||
links.push({ url, text });
|
||||
}
|
||||
|
||||
return links;
|
||||
}
|
||||
|
||||
function selectTitle(meta, jsonLdArticle, html) {
|
||||
return [
|
||||
meta.get('og:title'),
|
||||
meta.get('twitter:title'),
|
||||
jsonLdArticle && jsonLdArticle.headline,
|
||||
extractH1(html),
|
||||
extractTitleTag(html),
|
||||
].find((value) => String(value || '').trim()) || null;
|
||||
}
|
||||
|
||||
function selectDescription(meta, jsonLdArticle) {
|
||||
return [
|
||||
meta.get('og:description'),
|
||||
meta.get('description'),
|
||||
jsonLdArticle && jsonLdArticle.description,
|
||||
].find((value) => String(value || '').trim()) || null;
|
||||
}
|
||||
|
||||
function selectPubDate(meta, jsonLdArticle, html) {
|
||||
return [
|
||||
jsonLdArticle && jsonLdArticle.datePublished,
|
||||
meta.get('article:published_time'),
|
||||
meta.get('og:article:published_time'),
|
||||
extractTimeDatetime(html),
|
||||
].find((value) => String(value || '').trim()) || null;
|
||||
}
|
||||
|
||||
function scorePage(pageUrl, meta, html, jsonLdArticle, links) {
|
||||
let articleScore = 0;
|
||||
let listingScore = 0;
|
||||
const headlineLinks = links.filter(({ text }) => text.length >= 25 && text.length <= 180).length;
|
||||
|
||||
if (jsonLdArticle) {
|
||||
articleScore += 3;
|
||||
}
|
||||
|
||||
if (String(meta.get('og:type') || '').toLowerCase() === 'article') {
|
||||
articleScore += 2;
|
||||
}
|
||||
|
||||
if (meta.get('article:published_time') || meta.get('og:article:published_time') || extractTimeDatetime(html)) {
|
||||
articleScore += 2;
|
||||
}
|
||||
|
||||
if (/<article\b/i.test(html)) {
|
||||
articleScore += 1;
|
||||
}
|
||||
|
||||
if (ARTICLE_DATE_PATH.test(pageUrl) || ARTICLE_PATH_HINT.test(pageUrl)) {
|
||||
articleScore += 1;
|
||||
}
|
||||
|
||||
if (extractH1(html) && extractParagraphTextLength(html) >= 500) {
|
||||
articleScore += 1;
|
||||
}
|
||||
|
||||
if (links.length >= 20) {
|
||||
listingScore += 2;
|
||||
}
|
||||
|
||||
if (headlineLinks >= 8) {
|
||||
listingScore += 2;
|
||||
}
|
||||
|
||||
if (LISTING_PATH_HINT.test(new URL(pageUrl).pathname)) {
|
||||
listingScore += 1;
|
||||
}
|
||||
|
||||
if (articleScore > 0) {
|
||||
listingScore -= 2;
|
||||
}
|
||||
|
||||
return { articleScore, listingScore };
|
||||
}
|
||||
|
||||
function shouldQueueLink(url) {
|
||||
const pathname = new URL(url).pathname.toLowerCase();
|
||||
|
||||
if (BLOCKED_PATH_HINT.test(pathname)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return !/\.(?:jpg|jpeg|png|gif|webp|svg|pdf|zip|xml|mp4|mp3|avi|mov|wmv|m4v)$/i.test(pathname);
|
||||
}
|
||||
|
||||
function normalizeSite(site) {
|
||||
const allowedHosts = [...new Set((site.allowedHosts || []).map((host) => String(host || '').toLowerCase()).filter(Boolean))];
|
||||
const seeds = [...new Set((site.seeds || [])
|
||||
.map((seed) => canonicalizeUrl(seed, seed, allowedHosts))
|
||||
.filter(Boolean))];
|
||||
|
||||
return {
|
||||
name: String(site.name || '').trim(),
|
||||
allowedHosts,
|
||||
seeds,
|
||||
maxPages: Math.max(1, Math.min(Number(site.maxPages) || 100, 500)),
|
||||
maxDepth: Math.max(0, Math.min(Number(site.maxDepth) || 2, 5)),
|
||||
requestTimeout: Math.max(1000, Math.min(Number(site.requestTimeout) || 15000, 30000)),
|
||||
};
|
||||
}
|
||||
|
||||
async function fetchHtml(url, timeout) {
|
||||
const response = await fetchWithPolicy(url, {
|
||||
timeout,
|
||||
retries: 1,
|
||||
headers: {
|
||||
Accept: 'text/html,application/xhtml+xml;q=0.9,*/*;q=0.8',
|
||||
'User-Agent': USER_AGENT,
|
||||
},
|
||||
});
|
||||
|
||||
if (!response.ok) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const contentType = String(response.headers.get('content-type') || '').toLowerCase();
|
||||
if (!contentType.includes('text/html') && !contentType.includes('application/xhtml+xml')) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return response.text();
|
||||
}
|
||||
|
||||
async function crawlSite(site) {
|
||||
const normalizedSite = normalizeSite(site);
|
||||
|
||||
if (!normalizedSite.name || !normalizedSite.allowedHosts.length || !normalizedSite.seeds.length) {
|
||||
return [];
|
||||
}
|
||||
|
||||
const queue = normalizedSite.seeds.map((url) => ({ url, depth: 0 }));
|
||||
const queuedUrls = new Set(normalizedSite.seeds);
|
||||
const visitedUrls = new Set();
|
||||
const discoveredArticleUrls = new Set();
|
||||
const articles = [];
|
||||
|
||||
while (queue.length && visitedUrls.size < normalizedSite.maxPages) {
|
||||
const current = queue.shift();
|
||||
|
||||
if (!current || visitedUrls.has(current.url)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
visitedUrls.add(current.url);
|
||||
|
||||
let html;
|
||||
try {
|
||||
html = await fetchHtml(current.url, normalizedSite.requestTimeout);
|
||||
} catch (error) {
|
||||
console.error(`Crawler fetch failed for ${normalizedSite.name}: ${current.url}`, error);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!html) {
|
||||
continue;
|
||||
}
|
||||
|
||||
const meta = extractMetaMap(html);
|
||||
const jsonLdArticle = extractArticleJsonLd(html);
|
||||
const canonicalHref = extractCanonicalHref(html);
|
||||
const canonicalUrl = canonicalHref
|
||||
? canonicalizeUrl(canonicalHref, current.url, normalizedSite.allowedHosts) || current.url
|
||||
: current.url;
|
||||
const links = extractLinks(html, canonicalUrl, normalizedSite.allowedHosts);
|
||||
const { articleScore, listingScore } = scorePage(canonicalUrl, meta, html, jsonLdArticle, links);
|
||||
|
||||
if (articleScore >= 3 && !discoveredArticleUrls.has(canonicalUrl)) {
|
||||
const title = normalizeText(selectTitle(meta, jsonLdArticle, html));
|
||||
if (title) {
|
||||
discoveredArticleUrls.add(canonicalUrl);
|
||||
articles.push({
|
||||
title,
|
||||
description: normalizeText(selectDescription(meta, jsonLdArticle)) || null,
|
||||
url: canonicalUrl,
|
||||
source: normalizedSite.name,
|
||||
pubDate: selectPubDate(meta, jsonLdArticle, html),
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
if (current.depth >= normalizedSite.maxDepth || listingScore < 2) {
|
||||
continue;
|
||||
}
|
||||
|
||||
for (const link of links) {
|
||||
if (!shouldQueueLink(link.url) || visitedUrls.has(link.url) || queuedUrls.has(link.url)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
queuedUrls.add(link.url);
|
||||
queue.push({ url: link.url, depth: current.depth + 1 });
|
||||
}
|
||||
}
|
||||
|
||||
return articles;
|
||||
}
|
||||
|
||||
async function fetchCrawlerArticles() {
|
||||
const articles = [];
|
||||
|
||||
for (const site of config.newsCrawler?.sites || []) {
|
||||
try {
|
||||
articles.push(...await crawlSite(site));
|
||||
} catch (error) {
|
||||
console.error(`Crawler failed for ${site && site.name ? site.name : 'unknown_site'}`, error);
|
||||
}
|
||||
}
|
||||
|
||||
return articles;
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
fetchCrawlerArticles,
|
||||
canonicalizeUrl,
|
||||
};
|
||||
Loading…
Add table
Reference in a new issue