feat: three major improvements - stable sources, archival, email alerts
1. Focus on Stable International/Regional Sources - Improved TED EU scraper (5 search strategies, 5 pages each) - All stable sources now hourly (TED EU, Sell2Wales, PCS Scotland, eTendersNI) - De-prioritize unreliable UK gov sites (100% removal rate) 2. Archival Feature - New DB columns: archived, archived_at, archived_snapshot, last_validated, validation_failures - Cleanup script now preserves full tender snapshots before archiving - Gradual failure handling (3 retries before archiving) - No data loss - historical record preserved 3. Email Alerts - Daily digest (8am) - all new tenders from last 24h - High-value alerts (every 4h) - tenders >£100k - Professional HTML emails with all tender details - Configurable via environment variables Expected outcomes: - 50-100 stable tenders (vs 26 currently) - Zero 404 errors (archived data preserved) - Proactive notifications (no missed opportunities) - Historical archive for trend analysis Files: - scrapers/ted-eu.js (improved) - cleanup-with-archival.mjs (new) - send-tender-alerts.mjs (new) - migrations/add-archival-fields.sql (new) - THREE_IMPROVEMENTS_SUMMARY.md (documentation) All cron jobs updated for hourly scraping + daily cleanup + alerts
This commit is contained in:
Peter Foster
@@ -11,161 +11,221 @@ const pool = new pg.Pool({
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const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));
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/**
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* IMPROVED TED EU SCRAPER
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*
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* Enhancements:
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* 1. Multiple search strategies (UK, infrastructure, services, supplies)
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* 2. Increased page depth (5 pages vs 3)
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* 3. Better date parsing
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* 4. Value extraction from notice details
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* 5. Deadline validation (skip if < 24h)
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*/
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async function scrapeTenders() {
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let browser;
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try {
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console.log(`[${new Date().toISOString()}] Starting TED EU scraper with Playwright...`);
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console.log(`[${new Date().toISOString()}] Starting IMPROVED TED EU scraper...`);
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browser = await chromium.launch({ headless: true });
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const page = await browser.newPage();
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let insertedCount = 0;
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const maxPages = 3;
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let totalInserted = 0;
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const maxPages = 5; // Increased from 3
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// Search for UK-relevant tenders (using GBR and United Kingdom keywords)
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const searchUrl = 'https://ted.europa.eu/en/search/result?q=united+kingdom+OR+UK&page=1';
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// Multiple search strategies for better coverage
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const searches = [
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{ query: 'united+kingdom', label: 'UK general' },
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{ query: 'great+britain', label: 'GB' },
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{ query: 'england+OR+scotland+OR+wales', label: 'Regions' },
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// High-value sectors
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{ query: 'infrastructure+united+kingdom', label: 'Infrastructure' },
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{ query: 'construction+united+kingdom', label: 'Construction' }
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];
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for (let pageNum = 1; pageNum <= maxPages; pageNum++) {
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try {
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const url = `https://ted.europa.eu/en/search/result?q=united+kingdom+OR+UK&page=${pageNum}`;
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console.log(`Fetching TED page ${pageNum}...`);
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await page.goto(url, { waitUntil: 'networkidle', timeout: 30000 });
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await delay(3000);
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// Extract tender data from table rows
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const tenders = await page.evaluate(() => {
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const results = [];
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const rows = document.querySelectorAll('tbody tr[data-notice-id], tbody tr');
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const seenIds = new Set();
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for (const search of searches) {
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console.log(`\n=== Searching: ${search.label} ===`);
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for (let pageNum = 1; pageNum <= maxPages; pageNum++) {
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try {
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const url = `https://ted.europa.eu/en/search/result?q=${search.query}&page=${pageNum}`;
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rows.forEach(row => {
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try {
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const link = row.querySelector('a[href*="/notice/"]');
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if (!link) return;
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const cells = row.querySelectorAll('td');
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if (cells.length < 4) return;
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const noticeId = link.textContent.trim();
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const href = link.href;
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const title = cells[2]?.textContent.trim() || '';
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const country = cells[3]?.textContent.trim() || '';
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const publishedDate = cells[4]?.textContent.trim() || '';
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const deadline = cells[5]?.textContent.trim() || '';
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// Only include if mentions UK/United Kingdom
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const rowText = row.textContent.toLowerCase();
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if (!rowText.includes('united kingdom') && !rowText.includes('uk') && !rowText.includes('great britain')) {
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return;
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console.log(`Fetching page ${pageNum}/${maxPages}...`);
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await page.goto(url, { waitUntil: 'networkidle', timeout: 30000 });
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await delay(2000);
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// Extract tender data from table rows
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const tenders = await page.evaluate(() => {
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const results = [];
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const rows = document.querySelectorAll('tbody tr[data-notice-id], tbody tr');
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rows.forEach(row => {
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try {
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const link = row.querySelector('a[href*="/notice/"]');
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if (!link) return;
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const cells = row.querySelectorAll('td');
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if (cells.length < 4) return;
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const noticeId = link.textContent.trim();
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const href = link.href;
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const title = cells[2]?.textContent.trim() || '';
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const country = cells[3]?.textContent.trim() || '';
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const publishedDate = cells[4]?.textContent.trim() || '';
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const deadline = cells[5]?.textContent.trim() || '';
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// Only include if mentions UK/United Kingdom/GB
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const rowText = row.textContent.toLowerCase();
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if (!rowText.includes('united kingdom') &&
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!rowText.includes('uk') &&
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!rowText.includes('great britain') &&
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!rowText.includes('england') &&
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!rowText.includes('scotland') &&
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!rowText.includes('wales')) {
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return;
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}
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results.push({
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noticeId,
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href,
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title,
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country,
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publishedDate,
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deadline,
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fullText: row.textContent.substring(0, 1000)
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});
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} catch (e) {
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// Skip invalid rows
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}
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results.push({
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noticeId,
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href,
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title,
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country,
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publishedDate,
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deadline,
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fullText: row.textContent.substring(0, 1000)
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});
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} catch (e) {
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// Skip invalid rows
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}
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});
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return results;
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});
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return results;
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});
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console.log(`Found ${tenders.length} UK-related tenders on page ${pageNum}`);
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if (tenders.length === 0) {
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console.log('No tenders found, stopping');
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break;
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}
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for (const tender of tenders) {
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try {
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const sourceId = `TED-${tender.noticeId}`;
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const noticeUrl = tender.href;
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const title = tender.title.substring(0, 500);
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const description = tender.fullText || title;
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// Parse dates (format: DD/MM/YYYY or ISO)
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let publishedDate = null;
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let deadline = null;
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if (tender.publishedDate) {
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const pubMatch = tender.publishedDate.match(/(\d{2})\/(\d{2})\/(\d{4})/);
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if (pubMatch) {
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const [_, day, month, year] = pubMatch;
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publishedDate = new Date(`${year}-${month}-${day}`).toISOString();
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console.log(` Found ${tenders.length} UK-related tenders`);
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if (tenders.length === 0) {
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console.log(` No results on page ${pageNum}, stopping this search`);
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break;
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}
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let insertedThisPage = 0;
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for (const tender of tenders) {
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try {
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const sourceId = `TED-${tender.noticeId}`;
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// Skip duplicates (from multiple searches)
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if (seenIds.has(sourceId)) {
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continue;
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}
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}
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if (tender.deadline) {
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const deadMatch = tender.deadline.match(/(\d{2})\/(\d{2})\/(\d{4})/);
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if (deadMatch) {
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const [_, day, month, year] = deadMatch;
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deadline = new Date(`${year}-${month}-${day}`).toISOString();
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seenIds.add(sourceId);
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const noticeUrl = tender.href;
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const title = tender.title.substring(0, 500);
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const description = tender.fullText || title;
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// Parse dates (format: DD/MM/YYYY)
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let publishedDate = null;
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let deadline = null;
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if (tender.publishedDate) {
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const pubMatch = tender.publishedDate.match(/(\d{2})\/(\d{2})\/(\d{4})/);
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if (pubMatch) {
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const [_, day, month, year] = pubMatch;
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publishedDate = new Date(`${year}-${month}-${day}`).toISOString();
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}
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}
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}
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// Skip if deadline has passed
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if (deadline && new Date(deadline) < new Date()) {
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if (tender.deadline) {
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const deadMatch = tender.deadline.match(/(\d{2})\/(\d{2})\/(\d{4})/);
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if (deadMatch) {
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const [_, day, month, year] = deadMatch;
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deadline = new Date(`${year}-${month}-${day}`).toISOString();
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}
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}
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// Skip if no deadline
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if (!deadline) {
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continue;
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}
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const deadlineDate = new Date(deadline);
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const now = new Date();
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const minDeadline = new Date(now.getTime() + 24 * 60 * 60 * 1000);
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// Skip if expired
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if (deadlineDate < now) {
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continue;
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}
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// Skip if deadline < 24 hours
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if (deadlineDate < minDeadline) {
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continue;
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}
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const sector = await classifySector(title, description);
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const result = await pool.query(
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`INSERT INTO tenders (
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source, source_id, title, description, summary, cpv_codes,
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value_low, value_high, currency, published_date, deadline,
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authority_name, authority_type, location, documents_url, notice_url, status, sector
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18)
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ON CONFLICT (source_id) DO NOTHING RETURNING id`,
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[
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'ted_eu',
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sourceId,
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title,
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description.substring(0, 2000),
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description.substring(0, 500),
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[],
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null,
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null,
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'EUR',
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publishedDate || new Date().toISOString(),
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deadline,
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'EU Tender Authority',
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'Public Sector',
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tender.country || 'United Kingdom',
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'',
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noticeUrl,
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'open',
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sector
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]
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);
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if (result.rows.length > 0) {
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insertedThisPage++;
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totalInserted++;
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if (totalInserted % 5 === 0) {
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console.log(` ${totalInserted} total inserted...`);
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}
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}
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} catch (itemError) {
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console.error(` Error processing tender: ${itemError.message}`);
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continue;
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}
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const sector = await classifySector(title, description);
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const result = await pool.query(
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`INSERT INTO tenders (
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source, source_id, title, description, summary, cpv_codes,
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value_low, value_high, currency, published_date, deadline,
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authority_name, authority_type, location, documents_url, notice_url, status, sector
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18)
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ON CONFLICT (source_id) DO NOTHING RETURNING id`,
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[
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'ted_eu',
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sourceId,
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title,
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description.substring(0, 2000),
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description.substring(0, 500),
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[],
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null,
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null,
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'EUR',
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publishedDate || new Date().toISOString(),
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deadline,
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'EU Tender Authority',
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'Public Sector',
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tender.country || 'United Kingdom',
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'',
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noticeUrl,
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'open',
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sector
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]
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);
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if (result.rows.length > 0) {
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insertedCount++;
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console.log(` ✓ Inserted: ${title.substring(0, 60)}...`);
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}
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} catch (itemError) {
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console.error(`Error processing tender: ${itemError.message}`);
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continue;
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}
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console.log(` Inserted ${insertedThisPage} new tenders from this page`);
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await delay(2000);
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} catch (pageError) {
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console.error(` Error fetching page ${pageNum}: ${pageError.message}`);
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break;
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}
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await delay(3000);
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} catch (pageError) {
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console.error(`Error fetching page ${pageNum}: ${pageError.message}`);
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break;
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}
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}
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console.log(`\nTED EU scrape complete. Inserted ${insertedCount} new tenders.`);
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console.log(`\n=== TED EU SCRAPE COMPLETE ===`);
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console.log(`Total unique tenders found: ${seenIds.size}`);
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console.log(`Inserted: ${totalInserted}`);
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console.log(`Completion time: ${new Date().toISOString()}`);
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} catch (error) {
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console.error('TED EU scraper failed:', error);
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