83 lines
3.0 KiB
JavaScript
83 lines
3.0 KiB
JavaScript
const express = require('express');
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const cors = require('cors');
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const cinecheck = require('./aggregators/cinecheck-adapter');
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const commonsense = require('./aggregators/commonsense-adapter');
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const filmages = require('./aggregators/filmages-adapter');
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const { mergeResults } = require('./merge');
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const app = express();
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app.use(cors());
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// Helper to normalize text and get words for matching
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function getWords(text) {
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if (!text || typeof text !== 'string') return [];
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return text
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.toLowerCase()
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// Remove punctuation, keep letters, numbers, and whitespace. Handles Unicode.
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.replace(/[^\p{L}\p{N}\s]/gu, '')
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.replace(/\s+/g, ' ') // Normalize multiple spaces to single
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.trim()
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.split(' ')
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.filter(Boolean); // Remove empty strings from split
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}
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app.get('/search', async (req, res) => {
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const q = req.query.q;
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if (!q) {
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return res.status(400).json({ error: "Missing query. Predictable." });
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}
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try {
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const [cine, cs, fa] = await Promise.all([
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cinecheck.searchAndEnrich(q).catch(e => { console.error('Cinecheck failed:', e.message); return []; }),
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commonsense.searchAndEnrich(q).catch(e => { console.error('Commonsense failed:', e.message); return []; }),
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filmages.searchAndEnrich(q).catch(e => { console.error('Filmages failed:', e.message); return []; })
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]);
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console.log('===== SEARCH LOGS =====');
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console.log('Cinecheck results:', cine.length);
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console.log('CSM results:', cs.length);
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console.log('Filmages results:', fa.length);
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console.log('Raw CSM data:', cs); // Inspect full data
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let merged = mergeResults([cine, cs, fa]);
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// Sort merged results based on query relevance
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const queryWords = getWords(q);
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if (queryWords.length > 0) {
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merged.forEach(item => {
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const titleWords = getWords(item.title);
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const uniqueQueryWords = [...new Set(queryWords)];
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const uniqueTitleWords = [...new Set(titleWords)];
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let commonWordCount = 0;
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for (const qw of uniqueQueryWords) {
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if (uniqueTitleWords.includes(qw)) {
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commonWordCount++;
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}
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}
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item.matchScore1 = uniqueQueryWords.length > 0 ? commonWordCount / uniqueQueryWords.length : 0;
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const unionLength = new Set([...uniqueQueryWords, ...uniqueTitleWords]).size;
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item.matchScore2 = unionLength > 0 ? commonWordCount / unionLength : 0;
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});
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merged.sort((a, b) => {
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if (b.matchScore1 !== a.matchScore1) return b.matchScore1 - a.matchScore1;
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if (b.matchScore2 !== a.matchScore2) return b.matchScore2 - a.matchScore2;
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return getWords(a.title).length - getWords(b.title).length; // Shorter titles preferred as tertiary sort
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});
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}
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res.json(merged);
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} catch (e) {
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console.error('General search error:', e);
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res.status(500).json({ error: e.message || "Server's taking a nap." });
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}
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});
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const PORT = 3000;
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app.listen(PORT, () => {
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console.log(`Backend sorting your life out on http://localhost:${PORT}. You're welcome.`);
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});
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