yep

index.ts

@@ -1,12 +1,43 @@
 import fs from 'fs/promises';
+import _ from 'lodash';
 
 import discogsService from './src/discogs';
-import sellers from './sellers';
 
 async function start() {
     const discogs = discogsService();
-    // return discogs.wantlist('margh');
-    return discogs.inventory(sellers[2]);
+    const wants = JSON.parse(await fs.readFile('./data/margh.wantlist.json', { encoding: 'utf8' }))
+    console.log('wants', wants.length);
+
+
+    const listings = await Promise.all(wants.map(async w => {
+        try {
+            const l = await discogs.listings(w.id)
+            return l;
+        } catch (e) {
+            // console.error(e);
+            return null;
+        }
+    }));
+
+
+    // once we have all the listings
+    // group by seller
+
+    return _
+        .chain(listings)
+        .filter(l => l)
+        .reduce((acc, g) => acc.concat(g), [])
+        .map(l => ({
+            id: l.id,
+            description: l.release.description,
+            seller_id: l.seller.id,
+            seller_name: l.seller.username,
+        }))
+        .groupBy(l => l.seller_id)
+        .sortBy(s => s.length)
+        .reverse()
+        .head()
+        .value();
 }
 
 start()