simplify and automate offer creation

api/src/events.ts

@@ -11,9 +11,10 @@ import routerAuth from './routers/router.auth';
 export enum Events {
     WantsAdded = 'WantsAdded',
     StartupSync = 'StartupSync',
+    ListingsUpdated = 'ListingsUpdated',
 }
 
-export default function createEvents(log: Log, pg: Pg, discogs) {
+export default function createEvents(log: Log, pg: Pg, discogs, offers) {
     const events = new EventEmitter({ captureRejections: true });
 
     events.on('error', function eventError(e) {
@@ -50,5 +51,31 @@ export default function createEvents(log: Log, pg: Pg, discogs) {
     });
 
 
+    events.on(Events.ListingsUpdated, async function listingsUpdated() {
+        const bundles = await offers.bundles();
+        log.info({ event: Events.ListingsUpdated, bundles: bundles.length });
+
+            // const bundle = {
+            //     username: b[0]?.data.seller.username,
+            //     seller: b[0]?.data.seller.id,
+            //     shipsFrom: b[0]?.data.ships_from,
+            //     total,
+            //     currency: b[0]?.data.price.currency,
+            //     shipping: '...',
+            //     items,
+            //     mentionsAustralia: shipping.toLowerCase().includes('australia'),
+            //     mentionsWorldwide: shipping.toLowerCase().includes('world'),
+            // }
+
+        for (const bundle of bundles) {
+            log.info({ seller: bundle.seller, items: bundle.items.length }, 'generating offers...');
+            const listingIds = bundle.items.map(i => i.id);
+            const updatedOffers = await offers.generate(listingIds, 100, 30)
+            log.info({ offers: updatedOffers.length }, 'offers set');
+        }
+
+        log.info('offers up to date');
+    });
+
     return events;
 }