challenge-11/models/Customer.js

const mongoose = require('mongoose');

const customerSchema = new mongoose.Schema({
  name: {
    type: String,
    required: true,
    trim: true
  },
  email: {
    type: String,
    required: true,
    unique: true,
    trim: true,
    lowercase: true
  },
  phone: {
    type: String,
    required: true,
    trim: true
  },
  address: {
    type: String,
    required: true,
    trim: true
  },
  carModel: {
    type: String,
    required: true,
    trim: true
  },
  carYear: {
    type: Number,
    required: true
  },
  modifications: [{
    name: {
      type: String,
      required: true
    },
    description: {
      type: String,
      required: true
    },
    price: {
      type: Number,
      required: true
    },
    category: {
      type: String,
      required: true
    },
    dateAdded: {
      type: Date,
      default: Date.now
    }
  }],
  createdAt: {
    type: Date,
    default: Date.now
  },
  updatedAt: {
    type: Date,
    default: Date.now
  }
});

// Update the updatedAt timestamp before saving
customerSchema.pre('save', function(next) {
  this.updatedAt = Date.now();
  next();
});

const Customer = mongoose.model('Customer', customerSchema);

module.exports = Customer;