main.swift

import Foundation
import ExpressSwift
import NIOSSL

var config: Express.Config = .default

let certificateChain = try NIOSSLCertificate.fromPEMFile(certificatesPath())
let tlsConfiguration = TLSConfiguration.makeServerConfiguration(certificateChain: certificateChain.map { .certificate($0) },
                                                  privateKey: .file(privateKeyPath()))
config.sslContext = try NIOSSLContext(configuration: tlsConfiguration)

var cities: [String] = ["Belarus,Minsk"]
let citiesLock = NSLock()

let express = Express(config: config)
express.all { _, _ in
  print("Will be called for every request")
  // Means that other route will be able to handle request.
  return true
}

// Will be called for all requests with uri: server/city and GET.
express.use("/city", .GET) { request, response in
  response.send("Minsk")
  return false
}

// :name is a parameter which can be accessed later from request.getParameter
express.use("/city/:name", .POST) { request, response in
  guard let cityName: String = request.getParameter("name") else { return true }
  print("Creating city with name: \(cityName)")
  citiesLock.lock(); defer { citiesLock.unlock() }
  cities.append(cityName)
  response.send("\(cities)")
  return false
}

struct Todo: Codable {
  let title: String
  let notes: String
}

var todos: [Todo] = [Todo(title: "Release ExpressSwift", notes: "git push")]
var todosLock = NSLock()

let todoRouter = Router()
todoRouter.all { (request, response) -> Bool in
  print("Todo router")
  return true
}

todoRouter.method(.GET) { (request, response) -> Bool in
  response.json(todos)
  return false
}

todoRouter.method(.POST) { (request, response) -> Bool in
  do {
    let todo = try request.json(Todo.self)
    todosLock.lock(); defer { todosLock.unlock() }
    todos.append(todo)
    response.status = .created
    response.send("")
  }
  catch {
    response.status = .badRequest
    response.send("Can't decode with error: \(error)")
  }

  return false
}

// When /todo route is found, the handling will proceed to todoRouter with /todo part substituted from route
express.use("/todo", todoRouter)

express.listen(8443)