ContactModel.js

const mongoose = require('mongoose');

const ContactSchema = mongoose.Schema({
  user_id: {
    type: mongoose.Schema.ObjectId,
    required: true,
  },
  firstname: {
    type: String,
    required: true,
    lowercase: true,
    trim: true,
  },
  lastname: {
    type: String,
    required: true,
    lowercase: true,
    trim: true,
  },
  street: {
    type: String,
    required: true,
    lowercase: true,
    trim: true,
  },
  zip: {
    type: String,
    required: true,
    lowercase: true,
    trim: true,
  },
  city: {
    type: String,
    required: true,
    lowercase: true,
    trim: true,
  },
  email: {
    type: String,
    required: true,
    lowercase: true,
    trim: true,
  },
}, { timestamps: true });

module.exports = mongoose.model('Contact', ContactSchema);