diligent-next/models/person.js

const mongoose = require('mongoose');

const PersonSchema = new mongoose.Schema({
  name: {
    type: String,
    required: [true, 'Please provide a name.'],
    maxlength: [60, 'Name cannot be more than 60 characters'],
    trim: true,
  },
  age: {
    type: Number,
    required: [true, 'Please provide an age.'],
    validate(value) {
      if (value < 0) {
        throw new Error('Age must be a postive number');
      }
    },
  },
  gender: {
    type: String,
    required: [true, 'Please provide a gender.'],
    trim: true,
  },
  customID: {
    type: String,
    required: true,
    unique: true,
  },
});

const Person = mongoose.models.Person || mongoose.model('Person', PersonSchema);

module.exports = Person;