Create cardbot.js (#1)

cardbot.js

@@ -0,0 +1,59 @@
+// brought to you by @jef and @malbert69
+// npm i puppeteer opn
+// node index.js
+// feel free to add more nvidia links to the `links` variable
+// @malbert69 added Best Buy link and code that modifies USER-AGENT header to spoof a real browser...
+
+const puppeteer = require("puppeteer")
+const opn = require("opn")
+
+const timeout = 3000;
+
+async function buy() {
+  const links = [
+	{ name: "nvidia.com", url: "https://www.nvidia.com/en-us/geforce/buy/", oosText: "out of stock" },
+    { name: "nvidia.com 2", url: "https://www.nvidia.com/en-us/shop/geforce/?page=1&limit=9&locale=en-us&search=3080", oosText: "out of stock" },
+    { name: "bestbuy.com", url: "https://www.bestbuy.com/site/nvidia-geforce-rtx-3080-10gb-gddr6x-pci-express-4-0-graphics-card-titanium-and-black/6429440.p?skuId=6429440", oosText: "sold out" }
+  ]
+  for (const link of links) {
+    await goto(link)
+  }
+
+  setTimeout(buy, timeout);
+}
+
+async function goto(link) {
+  const browser = await puppeteer.launch()
+  const page = await browser.newPage()
+  
+  await page.setUserAgent('Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36');
+ 
+  page.setViewport({
+      width: 1920,
+      height: 1080
+  });
+
+  await page.goto(link.url)
+  await page.waitForTimeout(1000);
+
+  const dom = await page.evaluate(() => {
+    return {
+      body: document.body.innerText,
+    }
+  })
+
+  console.log(dom)
+
+  if (dom.body.toLowerCase().includes("out of stock") || dom.body.toLowerCase().includes(link.oosText.toLowerCase()) ) {
+    console.log(link.name + " is still out of stock... Attempting next link.")
+  } else {
+    console.log("*** IN STOCK AT " + link.name.toUpperCase() + " , BUY NOW ***")
+    opn(link)
+  }
+
+  await page.screenshot({ path: `nvidia-${Date.now()}.png` })
+
+  await browser.close()
+}
+
+buy().then()