#swift #perfect

perfect_routing.swift

let server = HTTPServer()
server.serverPort = 8080
server.documentRoot = "webroot"

var routes = Routes()
routes.add(method: .get, uri: "/", handler: {
    request, response in
    response.setBody(string: "Hello, Perfect").completed()
})

func returnJSONMessage(message: String, response: HTTPResponse) {
    do {
        try response.setBody(json: ["message": message])
            .setHeader(.contentType, value: "application/json")
            .completed()
    } catch {
        response.setBody(string: "Error handling Request: \(error)")
            .completed(status: .internalServerError)
    }
}

routes.add(method: .get, uri: "/hello", handler: {
    request, response in
    returnJSONMessage(message: "Hello, JSON", response: response)
})

routes.add(method: .get, uri: "/hello/nested", handler: {
    request, response in
    returnJSONMessage(message: "Hello, nested, JSON", response: response)
})

routes.add(method: .get, uri: "/beers/{num_beers}", handler: {
    request, response in
    guard let numberBeerString = request.urlVariables["num_beers"],
          let numberBeersInt = Int(numberBeerString) else {
            response.completed(status: .badRequest)
            return
    }
    returnJSONMessage(message: "beer \(numberBeersInt - 1)", response: response)
})

routes.add(method: .post, uri: "post", handler: {
    request, response in
    guard let name = request.param(name: "name") else {
        response.completed(status: .badRequest)
        return
    }
    returnJSONMessage(message: "Hello \(name)", response: response)
})

server.addRoutes(routes)

do {
    try server.start()
} catch PerfectError.networkError(let err, let msg) {
    print("Network error thrown: \(err), \(msg)")
}