Preishistory mit Genius

This commit is contained in:
2026-08-16 10:09:01 +00:00
parent a5819a0d73
commit e5511cc4ff
3 changed files with 676 additions and 166 deletions

View File

@@ -18,13 +18,15 @@ const WESTERN_COUNTRIES = [
const worker = new Worker('scrape-jobs', async (job) => {
const { url, webhookUrl, appWebhookUrl, hotelId } = job.data;
console.log(`[Job ${job.id}] Starte Scraping für: ${url}`);
const isReviewScan = Boolean(webhookUrl && webhookUrl.startsWith('http'));
console.log(`[Job ${job.id}] Starte ${isReviewScan ? 'FULL-SCAN (Preis + KI-Reviews)' : 'PREIS-SCAN (Schnell)'} für: ${url}`);
// Variablen auf Worker-Ebene deklarieren (Verhindert ReferenceError in finally)
let scrapedPrice = null;
let hasGenius = false;
let roomSizeM2 = null;
let hotelDetails = { name: null, rating: null, reviewCount: null, address: null, image: null };
let domData = { dNights: 1, dPersons: 2, roomSize: null };
let domData = { dNights: 1, dPersons: 2, roomSize: null, checkinDate: null, checkoutDate: null };
let extractedReviews = [];
let browser = null;
@@ -38,212 +40,206 @@ const worker = new Worker('scrape-jobs', async (job) => {
});
const page = await context.newPage();
let targetUrl = url;
if (!targetUrl.includes('#tab-reviews')) {
if (isReviewScan && !targetUrl.includes('#tab-reviews')) {
targetUrl = targetUrl.replace('#tab-main', '') + '#tab-reviews';
}
if (!targetUrl.includes('sort_by=')) {
targetUrl += (targetUrl.includes('?') ? '&' : '?') + 'sort_by=f_recent_desc';
}
await page.goto(targetUrl, { waitUntil: 'domcontentloaded', timeout: 35000 });
await page.waitForTimeout(2500);
// Klick auf Bewertungs-Reiter erzwingen
// DATUM AUS URL PARSEN
try {
const reviewTab = await page.$('#js--hp-gallery-scorecard a, a[href*="#tab-reviews"], [data-testid="review-score-link"]');
if (reviewTab) {
await reviewTab.click();
await page.waitForTimeout(2000);
}
} catch (e) {}
const parsedUrl = new URL(url);
domData.checkinDate = parsedUrl.searchParams.get('checkin');
domData.checkoutDate = parsedUrl.searchParams.get('checkout');
} catch(e) {}
// Scrollen
await page.evaluate(() => {
const el = document.querySelector('#reviewListSorters') || document.querySelector('#tab-reviews');
if (el) el.scrollIntoView();
else window.scrollBy(0, 1000);
});
await page.waitForTimeout(2500);
// 1. JSON-LD Stammdaten
// 1. JSON-LD STAMMDATEN
hotelDetails = await page.evaluate(() => {
const scripts = Array.from(document.querySelectorAll('script[type="application/ld+json"]'));
for (const script of scripts) {
try {
const json = JSON.parse(script.innerText);
if (json['@type'] === 'Hotel' || json['@type'] === 'LodgingBusiness' || json.name) {
return {
name: json.name || null,
rating: json.aggregateRating?.ratingValue || null,
reviewCount: json.aggregateRating?.reviewCount || null,
address: json.address?.streetAddress || json.address?.addressLocality || null,
image: json.image || null
};
}
} catch (e) {}
}
try {
const scripts = Array.from(document.querySelectorAll('script[type="application/ld+json"]'));
for (const script of scripts) {
try {
const json = JSON.parse(script.innerText || '{}');
if (json['@type'] === 'Hotel' || json['@type'] === 'LodgingBusiness' || json.name) {
return {
name: json.name || null,
rating: json.aggregateRating?.ratingValue || null,
reviewCount: json.aggregateRating?.reviewCount || null,
address: json.address?.streetAddress || json.address?.addressLocality || null,
image: Array.isArray(json.image) ? json.image[0] : (json.image || null)
};
}
} catch (e) {}
}
} catch (e) {}
return { name: null, rating: null, reviewCount: null, address: null, image: null };
});
// 2. Preis & DOM-Daten
domData = await page.evaluate(() => {
let dNights = null;
let dPersons = null;
const targetSelectors = ['.bui-price-display__label', '#searchbox-horizontal-occupancy-label', '[data-testid="price-for-x-nights"]'];
let combinedText = '';
targetSelectors.forEach(s => document.querySelectorAll(s).forEach(el => combinedText += ' ' + el.innerText));
if (!combinedText.trim()) combinedText = document.body.innerText;
const nMatch = combinedText.match(/(\d+)\s*Nächte?/i);
if (nMatch) dNights = parseInt(nMatch[1], 10);
const pMatch = combinedText.match(/(\d+)\s*(?:Erwachsene|Erwachsener|Gäste|Personen)/i);
if (pMatch) dPersons = parseInt(pMatch[1], 10);
const rmMatch = document.body.innerText.match(/(\d+)\s*m²/i);
return { dNights, dPersons, roomSize: rmMatch ? parseInt(rmMatch[1], 10) : null };
// 2. DOM DATEN
const extraDom = await page.evaluate(() => {
try {
const bodyText = document.body ? (document.body.innerText || '') : '';
const nMatch = bodyText.match(/(\d+)\s*Nächte?/i);
const pMatch = bodyText.match(/(\d+)\s*(?:Erwachsene|Erwachsener|Gäste|Personen)/i);
const rmMatch = bodyText.match(/(\d+)\s*m²/i);
return {
dNights: nMatch ? parseInt(nMatch[1], 10) : 1,
dPersons: pMatch ? parseInt(pMatch[1], 10) : 2,
roomSize: rmMatch ? parseInt(rmMatch[1], 10) : null
};
} catch (e) {
return { dNights: 1, dPersons: 2, roomSize: null };
}
});
roomSizeM2 = domData.roomSize;
domData.dNights = extraDom.dNights;
domData.dPersons = extraDom.dPersons;
roomSizeM2 = extraDom.roomSize;
const priceSelectors = ['[data-testid="price-and-discounted-price"]', '.totalPrice .bui-price-display__value', '.hprt-price-price'];
for (const sel of priceSelectors) {
const el = await page.$(sel);
if (el) {
const text = await el.innerText();
if (text && /\d/.test(text)) { scrapedPrice = text.trim(); break; }
// PREIS AUSLESEN
scrapedPrice = await page.evaluate(() => {
const selectors = [
'[data-testid="price-and-discounted-price"]',
'.totalPrice .bui-price-display__value',
'.hprt-price-price',
'.prco-valign-middle-helper'
];
for (const sel of selectors) {
const el = document.querySelector(sel);
if (el && el.innerText && /\d/.test(el.innerText)) return el.innerText.trim();
}
return null;
});
// GENIUS BADGE ERKENNUNG (NEU)
hasGenius = await page.evaluate(() => {
const geniusSelectors = [
'.m-badge__genius',
'svg.genius-badge',
'.-genius-new_identity-genius_badge',
'.c-deals-container__genius-badge-fix',
'[aria-label*="Genius"]',
'[data-testid="deal-badge"]'
];
return geniusSelectors.some(sel => Boolean(document.querySelector(sel)));
});
if (hasGenius) {
console.log(`[Job ${job.id}] 💙 Genius-Badge erkannt (-10% Rabatt gilt)!`);
}
// 3. KOMMENTARE MIT PAGINATION BIS ZU 80 STÜCK EXTRAHIEREN
let pageCount = 0;
const seenKeys = new Set();
while (extractedReviews.length < 80 && pageCount < 15) {
const pageReviews = await page.evaluate(({ westernCountries }) => {
const dateElements = Array.from(document.querySelectorAll('[data-testid="review-date"]'));
const results = [];
const currentYear = 2026;
for (const dateEl of dateElements) {
// Navigiere hoch zum Container, der SOWOHL Person/Land ALS AUCH Bewertungstext enthält
let card = dateEl.parentElement;
while (card && card !== document.body) {
if (card.querySelector('[data-testid="review-avatar"]') || card.querySelector('[aria-label="Bewertende Person"]')) {
break;
}
card = card.parentElement;
}
if (!card || card === document.body) {
card = dateEl.closest('li') || dateEl.parentElement.parentElement.parentElement;
}
const cardText = card ? card.innerText : '';
if (!cardText) continue;
// Herkunftsland prüfen
const isWestern = westernCountries.some(c => cardText.toLowerCase().includes(c.toLowerCase()));
if (!isWestern) continue;
// Datum prüfen (<= 2 Jahre)
const dateText = dateEl.innerText || '';
const yearMatch = cardText.match(/\b(20\d{2})\b/);
if (yearMatch) {
const reviewYear = parseInt(yearMatch[1], 10);
if (currentYear - reviewYear > 2) continue;
}
const titleEl = card.querySelector('[data-testid="review-title"]');
const posEl = card.querySelector('[data-testid="review-positive-text"], .review_pos');
const negEl = card.querySelector('[data-testid="review-negative-text"], .review_neg');
const title = titleEl ? titleEl.innerText.trim() : '';
const positive = posEl ? posEl.innerText.trim() : '';
const negative = negEl ? negEl.innerText.trim() : '';
let generalComment = '';
if (!positive && !negative) {
const commentEl = card.querySelector('.b99b6ef58f, .a17eaf5728');
if (commentEl && !commentEl.innerText.includes('keinen Kommentar')) {
generalComment = commentEl.innerText.trim();
}
}
if (title || positive || negative || generalComment) {
results.push({
title,
positive: positive || generalComment,
negative,
date: dateText
});
}
}
return results;
}, { westernCountries: WESTERN_COUNTRIES });
// Duplikate vermeiden
for (const rev of pageReviews) {
const key = `${rev.title}-${rev.positive}-${rev.date}`;
if (!seenKeys.has(key) && extractedReviews.length < 80) {
seenKeys.add(key);
extractedReviews.push(rev);
}
}
if (extractedReviews.length >= 80) break;
// Klick auf "Nächste Seite" Pfeil
// 3. KOMMENTARE EXTRAHIEREN
if (isReviewScan) {
console.log(`[Job ${job.id}] Starte Review-Extraction mit Pagination...`);
try {
const nextBtn = await page.$(
'#reviewCardsSection button:has(svg), button[aria-label*="Nächste"], button[aria-label*="Next"], [data-testid="pagination-next-page"]'
);
if (nextBtn) {
const isDisabled = await nextBtn.getAttribute('disabled');
if (isDisabled !== null) break;
await nextBtn.click();
await page.waitForTimeout(2500);
pageCount++;
} else {
break;
const reviewTab = await page.$('a[href*="#tab-reviews"], #js--hp-gallery-scorecard a, [data-testid="review-score-link"]');
if (reviewTab) {
await reviewTab.click();
await page.waitForTimeout(2000);
}
} catch (e) {
break;
}
}
} catch (e) {}
console.log(`[Job ${job.id}] ${extractedReviews.length} Kommentare über ${pageCount + 1} Seiten extrahiert.`);
await page.evaluate(() => window.scrollBy(0, 1000));
await page.waitForTimeout(2000);
let pageCount = 0;
const seenKeys = new Set();
while (extractedReviews.length < 80 && pageCount < 15) {
const pageReviews = await page.evaluate(({ westernCountries }) => {
const cards = Array.from(document.querySelectorAll('[data-testid="review-card"], [role="group"][aria-label*="Bewertung"], li.review_list_new_item_block, .review_item'));
const results = [];
const currentYear = 2026;
for (const card of cards) {
const cardText = card ? (card.innerText || '') : '';
if (!cardText) continue;
const isWestern = westernCountries.some(c => cardText.toLowerCase().includes(c.toLowerCase()));
if (!isWestern) continue;
const yearMatch = cardText.match(/\b(20\d{2})\b/);
if (yearMatch) {
const reviewYear = parseInt(yearMatch[1], 10);
if (currentYear - reviewYear > 2) continue;
}
const titleEl = card.querySelector('[data-testid="review-title"], h4');
const posEl = card.querySelector('[data-testid="review-positive-text"], .review_pos');
const negEl = card.querySelector('[data-testid="review-negative-text"], .review_neg');
const dateEl = card.querySelector('[data-testid="review-date"]');
const title = titleEl ? titleEl.innerText.trim() : '';
const positive = posEl ? posEl.innerText.trim() : '';
const negative = negEl ? negEl.innerText.trim() : '';
const dateText = dateEl ? dateEl.innerText.trim() : (yearMatch ? yearMatch[0] : 'Aktuell');
let fallbackText = '';
if (!positive && !negative) fallbackText = cardText.replace(title, '').substring(0, 300).trim();
if (title || positive || negative || fallbackText) {
results.push({ title, positive: positive || fallbackText, negative, date: dateText });
}
}
return results;
}, { westernCountries: WESTERN_COUNTRIES }).catch(() => []);
for (const rev of pageReviews) {
const key = `${rev.title}-${rev.positive}-${rev.date}`;
if (!seenKeys.has(key) && extractedReviews.length < 80) {
seenKeys.add(key);
extractedReviews.push(rev);
}
}
if (extractedReviews.length >= 80) break;
try {
const nextBtn = await page.$('#reviewCardsSection button:has(svg), button[aria-label*="Nächste"], button[aria-label*="Next"]');
if (nextBtn) {
const isDisabled = await nextBtn.getAttribute('disabled');
if (isDisabled !== null) break;
await nextBtn.click();
await page.waitForTimeout(2000);
pageCount++;
} else break;
} catch (e) { break; }
}
console.log(`[Job ${job.id}] ${extractedReviews.length} Kommentare extrahiert.`);
}
} catch (error) {
console.error(`[Job ${job.id}] Fehler beim Scraping:`, error.message);
} finally {
if (browser) await browser.close();
// 1. PREISHISTORIE IN POSTGRES SPEICHERN
// 1. PREISHISTORIE + DATUM SPEICHERN
if (appWebhookUrl) {
try {
await axios.post(appWebhookUrl, {
price: scrapedPrice,
hasGenius: hasGenius,
roomSizeM2,
hotelName: hotelDetails.name,
rating: hotelDetails.rating,
reviewCount: hotelDetails.reviewCount,
address: hotelDetails.address,
image: hotelDetails.image,
checkinDate: domData.checkinDate,
checkoutDate: domData.checkoutDate,
nights: domData.dNights || 1,
persons: domData.dPersons || 2,
});
console.log(`[Job ${job.id}] ✅ Preishistorie direkt in Postgres gespeichert!`);
console.log(`[Job ${job.id}] ✅ Preishistorie in Postgres gespeichert!`);
} catch (e) {
console.error(`[Job ${job.id}] ❌ Fehler beim Speichern der Preishistorie:`, e.message);
console.error(`[Job ${job.id}] ❌ Fehler bei Preishistorie:`, e.message);
}
}
// 2. REVIEWS AN N8N SENDEN
if (webhookUrl) {
if (isReviewScan && extractedReviews.length > 0) {
try {
await axios.post(webhookUrl, {
jobId: job.id,
@@ -253,9 +249,7 @@ const worker = new Worker('scrape-jobs', async (job) => {
timestamp: new Date().toISOString()
});
console.log(`[Job ${job.id}] 🚀 ${extractedReviews.length} Reviews an n8n gesendet!`);
} catch (e) {
console.error(`[Job ${job.id}] ❌ Fehler beim Senden an n8n:`, e.message);
}
} catch (e) {}
}
}