Added api route to check latest version

packages/system-api/package.json

@@ -32,6 +32,8 @@
     "internal-ip": "^6.0.0",
     "jsonwebtoken": "^8.5.1",
     "mock-fs": "^5.1.2",
+    "node-cache": "^5.1.2",
+    "node-fetch": "^3.2.4",
     "node-port-scanner": "^3.0.1",
     "p-iteration": "^1.1.8",
     "passport": "^0.5.2",
@@ -66,8 +68,8 @@
     "jest": "^28.1.0",
     "nodemon": "^2.0.15",
     "prettier": "2.6.2",
+    "rimraf": "^3.0.2",
     "ts-jest": "^28.0.2",
-    "typescript": "4.6.4",
+    "typescript": "4.6.4"
-    "rimraf": "^3.0.2"
   }
 }

packages/system-api/src/config/cache.ts

@@ -0,0 +1,5 @@
+import cache from 'node-cache';
+
+const TipiCache = new cache();
+
+export default TipiCache;

packages/system-api/src/modules/system/system.controller.ts

@@ -1,5 +1,7 @@
 import { Request, Response } from 'express';
 import si from 'systeminformation';
+import fetch from 'node-fetch';
+import TipiCache from '../../config/cache';
 
 type CpuData = {
   load: number;
@@ -69,4 +71,21 @@ const getMemoryInfo = async (req: Request, res: Response<MemoryData>) => {
   res.status(200).json(result);
 };
 
-export default { getCpuInfo, getDiskInfo, getMemoryInfo };
+const getLatestVersion = async (req: Request, res: Response<string>) => {
+  let version = TipiCache.get<string>('latestVersion');
+
+  console.log('CACHED', version);
+
+  if (!version) {
+    const response = await fetch('https://api.github.com/repos/meienberger/runtipi/releases/latest');
+    const json = (await response.json()) as { name: string };
+    TipiCache.set('latestVersion', json.name);
+    version = json.name;
+  }
+
+  console.log(version);
+
+  res.status(200).send(version);
+};
+
+export default { getCpuInfo, getDiskInfo, getMemoryInfo, getLatestVersion };

packages/system-api/src/modules/system/system.routes.ts

@@ -6,5 +6,6 @@ const router = Router();
 router.route('/cpu').get(SystemController.getCpuInfo);
 router.route('/disk').get(SystemController.getDiskInfo);
 router.route('/memory').get(SystemController.getMemoryInfo);
+router.route('/version/latest').get(SystemController.getLatestVersion);
 
 export default router;