lucasecf

/*
For this Gist, we have two sides: sender and receiver. The same user can be a sender and a receiver, but I will separate this
two roles to be more clear.

This gist assumes thatyou already have a MCSession created, and the peers are connected,
*/

lucasecf

//
//  ClientConfig.swift
//  EventCast
//
//  Created by Lucas Eduardo on 27/10/15.
//  Copyright © 2015 RNCDev. All rights reserved.
//

import Foundation
import Alamofire

lucasecf

//
//  Event.swift
//  EventCast
//
//  Created by Lucas Eduardo on 27/10/15.
//  Copyright © 2015 RNCDev. All rights reserved.
//

import Foundation
import CoreData

lucasecf

//
//  EventClient.swift
//  EventCast
//
//  Created by Lucas Eduardo on 27/10/15.
//  Copyright © 2015 RNCDev. All rights reserved.
//

import Alamofire

lucasecf

//
//  NSManagedObject+ActiveRecord.swift
//  EventCast
//
//  Created by Lucas Eduardo on 04/11/15.
//  Copyright © 2015 RNCDev. All rights reserved.
//

import Foundation
import CoreData

lucasecf

protocol Dispatcher {
    func execute(request: URLRequest, success: (Data) -> Void, failure: (Error) -> Void)
}

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protocol Dispatcher {
    associatedtype Output
    associatedtype Request
    func execute(request: Request, success: (Output) -> Void, failure: (Error) -> Void)
}

lucasecf

struct HTTPDispatcher: Dispatcher {
    func execute(request: URLRequest, success: (Data) -> Void, failure: (Error) -> Void) {
        // executes HTTP requests using URLSession
        // …
    }
}

struct TestHTTPDispatcher: Dispatcher {
    func execute(request: URLRequest, success: (Data) -> Void, failure: (Error) -> Void) {
        // to be used for unit tests, returns mocked data

lucasecf

let task1 = GetMoviesTask(dispatcher: HTTPDispatcher())
let task2 = GetMoviesTask(dispatcher: TestHTTPDispatcher())

lucasecf

struct GetMoviesTask {
    let dispatcher: Dispatcher
	
    func load(success: ([Movie]) -> Void, failure: (Error) -> Void) {
        let request = URLRequest(url: URL(string: “www.mydomain.com/movies")!)
        dispatcher.execute(request: request, success: { data in      
            // (…)
        }, failure: { error in
            // (…)
        })