Creating models

backend/models/orderModel.js

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+// Main model of the project, which is responsible for holding the orders made through the app.
+// This collection will relate to Users collection and Products collection.
+import mongoose from 'mongoose';
+const orderSchema = new mongoose.Schema(
+  {
+    orderItems: [
+      {
+        name: { type: String, required: true },
+        qty: { type: Number, required: true },
+        image: { type: String, required: true },
+        price: { type: Number, required: true },
+        product: {
+          type: mongoose.Schema.Types.ObjectId,
+          ref: 'Product',
+          required: true,
+        },
+      },
+    ],
+    shippingAddress: {
+      fullName: { type: String, required: true },
+      address: { type: String, required: true },
+      city: { type: String, required: true },
+      postalCode: { type: String, required: true },
+      country: { type: String, required: true },
+    },
+    paymentMethod: { type: String, required: true },
+    paymentResult: {
+      id: String,
+      status: String,
+      update_time: String,
+      email_address: String,
+    },
+    itemsPrice: { type: Number, required: true },
+    shippingPrice: { type: Number, required: true },
+    taxPrice: { type: Number, required: true },
+    totalPrice: { type: Number, required: true },
+    user: { type: mongoose.Schema.Types.ObjectId, ref: 'User', required: true },
+    isPaid: { type: Boolean, default: false },
+    paidAt: { type: Date },
+    isDelivered: { type: Boolean, default: false },
+    deliveredAt: { type: Date },
+  },
+  {
+    timestamps: true,
+  }
+);
+const Order = mongoose.model('Order', orderSchema);
+export default Order;

backend/models/productModel.js

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+// Product Model holds all the products available in the virtual pet store.
+// Admin users will be able to do all the CRUD operations on this model.
+// Ordinary users (Buyers) can only read it.
+import mongoose from 'mongoose';
+const productSchema = new mongoose.Schema(
+  {
+    name: { type: String, required: true, unique: true },
+    image: { type: String, required: true },
+    brand: { type: String, required: true },
+    category: { type: String, required: true },
+    description: { type: String, required: true },
+    price: { type: Number, required: true },
+    countInStock: { type: Number, required: true },
+    rating: { type: Number, required: true },
+    numReviews: { type: Number, required: true },
+  },
+  {
+    timestamps: true,
+  }
+);
+const Product = mongoose.model('Product', productSchema);
+
+export default Product;

backend/models/userModel.js

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+// User models holds all the users authorized to use the app.
+// User password will be safely saved in the database using cryptography
+import mongoose from 'mongoose';
+const userSchema = new mongoose.Schema(
+  {
+    name: { type: String, required: true },
+    email: { type: String, required: true, unique: true },
+    password: { type: String, required: true },
+    isAdmin: { type: Boolean, default: false, required: true },
+  },
+  {
+    timestamps: true,
+  }
+);
+const User = mongoose.model('User', userSchema);
+export default User;