multer and cloudinary add and configured

Author: codingEdg

package-lock.json

@@ -21,12 +21,14 @@
   },
   "dependencies": {
     "bcrypt": "^5.1.1",
+    "cloudinary": "^2.1.0",
     "cookie-parser": "^1.4.6",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
     "express": "^4.19.2",
     "jsonwebtoken": "^9.0.2",
     "mongoose": "^8.3.0",
-    "mongoose-aggregate-paginate-v2": "^1.0.7"
+    "mongoose-aggregate-paginate-v2": "^1.0.7",
+    "multer": "^1.4.5-lts.1"
   }
 }

package.json

@@ -0,0 +1,14 @@
+import multer from 'multer'
+
+const storage = multer.diskStorage({
+    destination: function (req, file, cb) {
+        cb(null, './public/temp')
+    },
+    filename: function (req, file, cb) {
+        // const uniqueSuffix = Date.now() +"-" + Math.round(Math.random() * 1E9)
+        // cb(null, file.fieldname + "-" + uniqueSuffix)
+        cb(null, file.originalname)
+    }
+})
+
+export const upload = multer({ storage: storage })

src/middlewares/multer.middleware.js

@@ -0,0 +1,32 @@
+import { v2 as cloudinary } from "cloudinary";
+import fs from 'fs'
+
+import { v2 as cloudinary } from 'cloudinary';
+
+cloudinary.config({
+    cloud_name: process.env.CLOUD_NAME,
+    api_key: process.env.CLOUDINARY_API_KEY,
+    api_secret: process.env.CLOUDINARY_API_SECRET
+});
+
+const uploadOnCloudinary = async (localFilePath) => {
+    try {
+        if (!localFilePath) return "could not find the path"
+        // upload the file on cloudinary
+        const response = await cloudinary.uploader.upload(localFilePath, {
+            resource_type: "auto",
+        });
+        console.log(`file is uploaded on cloudinary. URL : ${response.url}`);
+        return response;
+    } catch (error) {
+        fs.unlink(localFilePath) // remove the locally saved temporary file as the upload operation got failed
+        console.log(`Error!!! : ${error}`)
+        return null
+    }
+}
+
+export default uploadOnCloudinary;
+
+cloudinary.uploader.upload("https://upload.wikimedia.org/wikipedia/commons/a/ae/Olympic_flag.jpg",
+    { public_id: "olympic_flag" },
+    function (error, response) { console.log(response); });