feat: add seed script with default data for corex

Author: Alexandrbig1

.env.example

@@ -0,0 +1,4 @@
+PORT=5000
+MONGODB_URI=mongodb://127.0.0.1:27017/corex
+JWT_SECRET=replace_with_a_local_jwt_secret
+NODE_ENV=development

package-lock.json

@@ -24,7 +24,8 @@
   "scripts": {
     "start": "node server.js",
     "dev": "nodemon server.js",
-    "lint": "eslint . --ext .js"
+    "lint": "eslint . --ext .js",
+    "seed": "node scripts/seed.js"
   },
   "keywords": [
     "hacktoberfest",
@@ -43,6 +44,7 @@
   "license": "MIT",
   "dependencies": {
     "cors": "^2.8.5",
+    "dotenv": "^17.2.2",
     "express": "^5.1.0",
     "mongoose": "^8.18.2"
   },

package.json

@@ -0,0 +1,16 @@
+[
+  {
+    "name": "CoreX Whey Protein",
+    "price": 49.99,
+    "category": "Protein",
+    "description": "High-quality whey protein for muscle recovery.",
+    "image": "https://via.placeholder.com/200"
+  },
+  {
+    "name": "CoreX Creatine",
+    "price": 24.99,
+    "category": "Creatine",
+    "description": "Boost your performance with pure creatine monohydrate.",
+    "image": "https://via.placeholder.com/200"
+  }
+]

scripts/db/products.json

@@ -0,0 +1,38 @@
+// scripts/seed.js
+import mongoose from "mongoose";
+import "dotenv/config";
+import Product from "../src/models/product.model.js";
+import { readFile } from "fs/promises";
+import path from "path";
+
+if (!process.env.MONGODB_URI) {
+  console.error("❌ MONGODB_URI is missing. Please create a .env file based on .env.example and set your MongoDB connection string.");
+  process.exit(1);
+}
+
+async function getSeedProducts() {
+  const filePath = path.resolve("scripts/db/products.json");
+  try {
+    const data = await readFile(filePath, "utf-8");
+    return JSON.parse(data);
+  } catch (err) {
+    console.error("❌ Failed to read products.json", err);
+    process.exit(1);
+  }
+}
+
+async function seedDB() {
+  try {
+    await mongoose.connect(process.env.MONGODB_URI);
+    const seedProducts = await getSeedProducts();
+    await Product.deleteMany();
+    await Product.insertMany(seedProducts);
+    console.log("✅ Seed data inserted");
+    process.exit();
+  } catch (err) {
+    console.error("❌ Error seeding DB", err);
+    process.exit(1);
+  }
+}
+
+seedDB();