jpcarreira

final class MockApiClient: Api {
    
    private static let delay = 4
    private static var requestCount = 0
    
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void) {
        switch MockApiClient.requestCount {
        case 0:
            DispatchQueue.main.async {
                completion(false, nil)

jpcarreira

final class MockApiClient: Api {
    
    private static let delay = 5
    
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void) {
        DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(MockApiClient.delay)) {
            // mock your data as before, but now we have a simulated 5-second delay
        }
    }
}

jpcarreira

final class MockApiClient: Api {
    
    private static let delay = 5
    
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void) {
        DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(MockApiClient.delay)) {
            // mock your data as before, but now we have simulated delay too
        }
    }
}

jpcarreira

final class MockApiClient: Api {
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void) {
          let filePath = "films"
          MockApiClient.loadJsonDataFromFile(filePath, completion: { data in
              if let json = data {
                  do {
                      let films = try JSONDecoder().decode(FilmsData.self, from: json)
                      completion(true, films)
                  }
                  catch _ as NSError {

jpcarreira

final class ApiClient: Api {
    
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void) {
        HTTPClient.get(from: URL(string: "https://swapi.co/api/films")!) { (json, error) in
            if error == nil {
                do {
                    let data = try JSONSerialization.data(withJSONObject: json as Any, options: [])
                    if let string = String(data: data, encoding: String.Encoding.utf8)?.data(using: .utf8) {
                        let filmsData = try JSONDecoder().decode(FilmsData.self, from: string)
                        completion(true, filmsData)

jpcarreira

let apiService: Api = {
        if CommandLine.arguments.contains("-mockApi") {
            return MockApiClient()
        } else {
            return ApiClient()
        }
    }()

jpcarreira

final class ApiClient: Api {
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void) {
        // reach the actual API
    }
}

final class MockApiClient: Api {
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void) {
          // mock API data
    }

jpcarreira

protocol Api {
    func fetchMovies(completion: @escaping (Bool, FilmsData?) -> Void)
}

jpcarreira

ls -l | awk '{print $9}' | sed 's/\(.*\)\..*/\1/' > ~/Desktop/imagelist.txt

jpcarreira

//: Playground - noun: a place where people can play

import UIKit

var result:Double?

var operandStack = Array<Double>()
operandStack.append(2)
operandStack.append(5)