gistfile1.txt

GET /api/customers Devuelve la lista de usuarios
POSt /api/customers con un JSON string { username, surname, address, email, phone }. Creo un usario
DELETE /api/customers/:id destruyo el cliente con ese ID

query.graphql

query asdf {
  getCustomers() {
    email
    phone
    avatarUrl
  }
}

mutation qwer($id: ID!) {
  deleteCustomer(id: $id) 
}

schema.graphql

type Customer {
  id: ID!
  username: String!
  surname: String!
  address: String!
  email: String!
  phone: string!
  avatarUrl: String
}

type GenericResponse {
  message: String!
}

type Mutation {
  createCustomer(username: String!, surname: String!, address: String!, email: String!, phone: String!): Customer!
  deleteCustomer(id: ID!): GenericActionResponse!
}

type Query {
  getCustomers(): [Customer!]!
}

server.js

import { ApolloServer } from 'apollo-server'
import typeDefs from './schema.graphql'
import Customers from "./models/Customers"

const Server = new ApolloServer({
  typeDefs,
  resolvers: {
    Mutation: {
      deleteCustomer: async (_root, { id }, _context) => {
        await Customers.findByIdAndDelete(id)
        return { message: 'Exitos amigos' }
      },
      
      createCustomer: async (_root, { username, surname, address, email, phone }, _context) {
        const newCustomers = new Customers({
          username,
          surname,
          address,
          email,
          phone,
        })
    
        const customer = await newCustomers.save()
    
        return customer
      }
    },
    Query: {
      getCutstomers: async (_root, _params, _context) => {
         const customers = await Customers.find()
         return customers
      }
    }
  }
})

Server.listen(4000)