From afee26aad35ec9b1ba6e4fbd2b27c77b600ea8f3 Mon Sep 17 00:00:00 2001
From: Sainan <sainan@calamity.gg>
Date: Thu, 9 May 2024 00:28:44 +0200
Subject: [PATCH 1/2] feat: implement loading of ability videos

---
 src/routes/cache.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/routes/cache.ts b/src/routes/cache.ts
index b714c648..abc51d7f 100644
--- a/src/routes/cache.ts
+++ b/src/routes/cache.ts
@@ -1,5 +1,6 @@
 import express from "express";
 import buildConfig from "@/static/data/buildConfig.json";
+import fs from "fs";
 
 const cacheRouter = express.Router();
 
@@ -15,4 +16,18 @@ cacheRouter.get(/^\/origin\/[a-zA-Z0-9]+\/[0-9]+\/H\.Cache\.bin.*$/, (_req, res)
     res.sendFile(`static/data/H.Cache_${buildConfig.version}.bin`, { root: "./" });
 });
 
+cacheRouter.get(/\.bk2!/, async (req, res) => {
+    const dir = req.path.substr(0, req.path.lastIndexOf("/"));
+    const file = req.path.substr(dir.length + 1);
+
+    // Return file if we have it
+    if (fs.existsSync(`static/data${dir}/${file}`)) {
+        res.send(fs.readFileSync(`static/data${dir}/${file}`, null));
+        return;
+    }
+
+    // 404 if we don't
+    res.status(404).end();
+});
+
 export { cacheRouter };
-- 
2.47.2


From ad7eb0df47757580e2a2de93aaaf3c1123d330d3 Mon Sep 17 00:00:00 2001
From: Sainan <sainan@calamity.gg>
Date: Thu, 30 May 2024 01:35:43 +0200
Subject: [PATCH 2/2] Fed into ChatGPT. Is async now.

---
 src/routes/cache.ts | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/src/routes/cache.ts b/src/routes/cache.ts
index abc51d7f..adc69b2a 100644
--- a/src/routes/cache.ts
+++ b/src/routes/cache.ts
@@ -1,6 +1,6 @@
 import express from "express";
 import buildConfig from "@/static/data/buildConfig.json";
-import fs from "fs";
+import fs from "fs/promises";
 
 const cacheRouter = express.Router();
 
@@ -17,17 +17,19 @@ cacheRouter.get(/^\/origin\/[a-zA-Z0-9]+\/[0-9]+\/H\.Cache\.bin.*$/, (_req, res)
 });
 
 cacheRouter.get(/\.bk2!/, async (req, res) => {
-    const dir = req.path.substr(0, req.path.lastIndexOf("/"));
-    const file = req.path.substr(dir.length + 1);
+    try {
+        const dir = req.path.substr(0, req.path.lastIndexOf("/"));
+        const file = req.path.substr(dir.length + 1);
+        const filePath = `static/data${dir}/${file}`;
 
-    // Return file if we have it
-    if (fs.existsSync(`static/data${dir}/${file}`)) {
-        res.send(fs.readFileSync(`static/data${dir}/${file}`, null));
-        return;
+        // Return file if we have it
+        await fs.access(filePath);
+        const data = await fs.readFile(filePath, null);
+        res.send(data);
+    } catch (err) {
+        // 404 if we don't
+        res.status(404).end();
     }
-
-    // 404 if we don't
-    res.status(404).end();
 });
 
 export { cacheRouter };
-- 
2.47.2