prioritize results by word match

server.js

@@ -2,41 +2,75 @@ const express = require('express');
 const cors = require('cors');
 const cinecheck = require('./aggregators/cinecheck-adapter');
 const commonsense = require('./aggregators/commonsense-adapter');
-const filmages = require('./aggregators/filmages-adapter'); // New
+const filmages = require('./aggregators/filmages-adapter');
 const { mergeResults } = require('./merge');
 
 const app = express();
 app.use(cors());
 
+// Helper to normalize text and get words for matching
+function getWords(text) {
+  if (!text || typeof text !== 'string') return [];
+  return text
+    .toLowerCase()
+    // Remove punctuation, keep letters, numbers, and whitespace. Handles Unicode.
+    .replace(/[^\p{L}\p{N}\s]/gu, '') 
+    .replace(/\s+/g, ' ') // Normalize multiple spaces to single
+    .trim()
+    .split(' ')
+    .filter(Boolean); // Remove empty strings from split
+}
+
 app.get('/search', async (req, res) => {
   const q = req.query.q;
   if (!q) {
-    // Gilfoyle: "A search query without a query. Bold."
-    return res.status(400).json({ error: "Missing query. Astounding." });
+    return res.status(400).json({ error: "Missing query. Predictable." });
   }
   try {
-    // Mike: "Run 'em all. See what sticks."
     const [cine, cs, fa] = await Promise.all([
       cinecheck.searchAndEnrich(q).catch(e => { console.error('Cinecheck failed:', e.message); return []; }),
       commonsense.searchAndEnrich(q).catch(e => { console.error('Commonsense failed:', e.message); return []; }),
       filmages.searchAndEnrich(q).catch(e => { console.error('Filmages failed:', e.message); return []; })
     ]);
 
-    if (!cine.length && !cs.length && !fa.length) {
-        // Gilfoyle: "Zero results. Is this a surprise to anyone?"
+    let merged = mergeResults([cine, cs, fa]);
+
+    // Sort merged results based on query relevance
+    const queryWords = getWords(q);
+    if (queryWords.length > 0) {
+      merged.forEach(item => {
+        const titleWords = getWords(item.title);
+        const uniqueQueryWords = [...new Set(queryWords)];
+        const uniqueTitleWords = [...new Set(titleWords)];
+
+        let commonWordCount = 0;
+        for (const qw of uniqueQueryWords) {
+          if (uniqueTitleWords.includes(qw)) {
+            commonWordCount++;
+          }
+        }
+
+        item.matchScore1 = uniqueQueryWords.length > 0 ? commonWordCount / uniqueQueryWords.length : 0;
+        
+        const unionLength = new Set([...uniqueQueryWords, ...uniqueTitleWords]).size;
+        item.matchScore2 = unionLength > 0 ? commonWordCount / unionLength : 0;
+      });
+
+      merged.sort((a, b) => {
+        if (b.matchScore1 !== a.matchScore1) return b.matchScore1 - a.matchScore1;
+        if (b.matchScore2 !== a.matchScore2) return b.matchScore2 - a.matchScore2;
+        return getWords(a.title).length - getWords(b.title).length; // Shorter titles preferred as tertiary sort
+      });
     }
     
-    const merged = mergeResults([cine, cs, fa]);
     res.json(merged);
   } catch (e) {
-    // Mike: "Something went sideways. Happens."
     console.error('General search error:', e);
-    res.status(500).json({ error: e.message || "Server had a moment." });
+    res.status(500).json({ error: e.message || "Server's taking a nap." });
   }
 });
 
 const PORT = 3000;
 app.listen(PORT, () => {
-  // Gilfoyle: "It's listening. Don't get excited."
-  console.log(`Backend multi-agrégateurs opérationnel sur http://localhost:${PORT}. Ne me remerciez pas.`);
+  console.log(`Backend sorting your life out on http://localhost:${PORT}. You're welcome.`);
 });