yep

src/discogs.ts

@@ -1,8 +1,23 @@
+import fs from 'fs/promises';
+
 import axios from 'axios';
+import cheerio from 'cheerio';
+
+import sellers from './../sellers';
+
+export async function exists(path) {
+    try {
+        await fs.stat(path);
+        return true;
+    } catch (e) {
+        return false;
+    }
+}
 
 export default function discogs() {
     const TOKEN = 'wRTXuYZGOPsIQgKRGKCAkUkidGtvpSfQgPWkYIpD';
     const apiBase = 'https://api.discogs.com'
+    const discogsBase = 'https://www.discogs.com'
 
     const api = axios.create({
         headers: {
@@ -20,8 +35,34 @@ export default function discogs() {
         return res.data.listings;
     }
 
+    async function listings(release: number) {
+        const res = await api.get(`https://www.discogs.com/sell/release/${release}`);
+        const $ = cheerio.load(res.data);
+        const ids = $('.item_description_title[href]')
+            .map(function getListingId() {
+                const id = Number.parseInt(this.attribs.href.replace('/sell/item/', ''), 10);
+                return id;
+            })
+            .get();
+        return Promise.all(ids.map(id => listing(id)));
+    }
+
+    async function listing(id) {
+        const path = `./data/listings/${id}.json`;
+        if (await exists(path)) {
+            // console.log('cached', id);
+            return JSON.parse(await fs.readFile(path, { encoding: 'utf8' }));
+        }
+        // console.log('fetching', id);
+        const res = await api.get(`${apiBase}/marketplace/listings/${id}`);
+        await fs.writeFile(path, JSON.stringify(res.data, null, 4));
+        return res.data;
+    }
+
     return {
         wantlist,
         inventory,
+        listings,
+        listing,
     };
 }

src/pg.ts

@@ -0,0 +1,4 @@
+export default function createPg() {
+    return {
+    };
+}