feat: Add get single pack function and download manager

src/pack_api.ts

@@ -1,5 +1,6 @@
 import { Request, Response, NextFunction } from "express";
 import Pack from "./interfaces/pack";
+import PackService from "./services/pack_service";
 
 export default class PackAPI {
   public static getPacks = async (
@@ -8,7 +9,22 @@ export default class PackAPI {
     next: NextFunction
   ) => {
     return res.status(200).json({
-      message: "hello all packs",
+      packs: JSON.stringify(await PackService.getPackList()),
+    });
+  };
+
+  public static downloadSinglePack = async (
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) => {
+    if (!req.query.name) {
+      return res.status(500).json({
+        message: 'pack name not specified',
+      });
+    }
+    return res.status(200).json({
+      message: 'ok',
     });
   };
 }

src/routes/packs.ts

@@ -4,3 +4,4 @@ import PackAPI from "../pack_api";
 export const packRoutes = express.Router();
 
 packRoutes.get("/packs", PackAPI.getPacks);
+packRoutes.get("/getpack", PackAPI.downloadSinglePack);

src/server.ts

@@ -45,9 +45,10 @@ router.use((req, res, next) => {
 /** Server */
 const httpServer = http.createServer(router);
 const PORT: any = process.env.PORT ?? 6060;
+const start = performance.now();
 PackService.getInitialList().then(() => {
   httpServer.listen(PORT, () =>
     console.log(`The server is running on port ${PORT}`)
   );
-  console.log('initialized with ',PackService.getPackList().length)
+  console.log('initialized with ',PackService.getPackList().length, 'packs in ', Math.round(performance.now() - start), 'ms')
 });

src/services/pack_service.ts

@@ -12,7 +12,6 @@ export default class PackService {
 
   public static getInitialList = async (): Promise<void> => {
     let packs = await fs.readdirSync(PACK_BASE_PATH);
-
     PackService.packList = await Promise.all(packs.map((pack) => PackService.getPackInfo(pack)))
   };
 
@@ -38,12 +37,15 @@ export default class PackService {
       })
     );
 
+    if (bpm === '') {
+      console.log('pack without bpm found', name);
+    }
     const currentPack: Pack = {
       name: name,
       size: size,
       bpm: bpm,
     };
-
+    
     return currentPack;
   };
 }