add file download retry

src/utils/utils.js

@@ -12,20 +12,30 @@ function fileExist (path) {
   return fs.existsSync(path);
 }
 
-// TODO: implement retry or remove retries param
 async function downloadFile (url, dest, retries = 3) {
   const writer = fs.createWriteStream(dest);
-  const response = await axios({
-    url,
-    method: "GET",
-    responseType: "stream"
-  });
-  response.data.pipe(writer);
-
-  return new Promise((resolve, reject) => {
-    writer.on("finish", resolve);
-    writer.on("error", reject);
-  });
+
+  for (let i = 0; i < retries; i++) {
+    try {
+      const response = await axios({
+        url,
+        method: "GET",
+        responseType: "stream"
+      });
+
+      response.data.pipe(writer);
+
+      await new Promise((resolve, reject) => {
+        writer.on("finish", resolve);
+        writer.on("error", reject);
+      });
+      break;
+    } catch (error) {
+      if (i === retries - 1) {
+        throw new Error(`Failed to download file from ${url} to ${dest} after ${retries} attempts`);
+      }
+    }
+  }
 }
 
 function unzip (file) {