inital release

routes/thumbnail.js

@@ -0,0 +1,71 @@
+const https = require("https");
+const fs = require("fs");
+const path = require("path");
+
+function thumbnailRouteHandler(app) {
+  const cacheDir = path.join(__dirname, "../cache");
+  if (!fs.existsSync(cacheDir)) {
+    fs.mkdirSync(cacheDir);
+  }
+
+  setInterval(() => {
+    fs.readdir(cacheDir, (err, files) => {
+      if (err) {
+        console.error("Error reading cache directory:", err);
+        return;
+      }
+      
+      const now = Date.now();
+      files.forEach(file => {
+        const filePath = path.join(cacheDir, file);
+        fs.stat(filePath, (err, stats) => {
+          if (err) {
+            console.error("Error getting file stats:", err);
+            return;
+          }
+          
+          if (now - stats.mtime.getTime() > 30 * 24 * 60 * 60 * 1000) {
+            fs.unlink(filePath, err => {
+              if (err) console.error("Error deleting cached file:", err);
+            });
+          }
+        });
+      });
+    });
+  }, 24 * 60 * 60 * 1000);
+
+  app.get("/api/thumbnail/:videoId", (req, res) => {
+    const videoId = req.params.videoId;
+    const cachePath = path.join(cacheDir, `${videoId}.jpg`);
+
+    if (fs.existsSync(cachePath)) {
+      return fs.createReadStream(cachePath).pipe(res);
+    }
+
+    const thumbnailUrl = `https://img.youtube.com/vi/${videoId}/maxresdefault.jpg`;
+
+    https.get(thumbnailUrl, (response) => {
+      if (response.statusCode === 404) {
+        const fallbackUrl = `https://img.youtube.com/vi/${videoId}/hqdefault.jpg`;
+        https.get(fallbackUrl, (fallbackResponse) => {
+          const fileStream = fs.createWriteStream(cachePath);
+          fallbackResponse.pipe(fileStream);
+          fallbackResponse.pipe(res);
+        }).on("error", (err) => {
+          console.error(`Error fetching fallback thumbnail: ${err.message}`);
+          res.status(500).send("Error fetching thumbnail");
+        });
+        return;
+      }
+      
+      const fileStream = fs.createWriteStream(cachePath);
+      response.pipe(fileStream);
+      response.pipe(res);
+    }).on("error", (err) => {
+      console.error(`Error fetching thumbnail: ${err.message}`);
+      res.status(500).send("Error fetching thumbnail");
+    });
+  });
+}
+
+module.exports = thumbnailRouteHandler;