annotate GeoQuiz/Controllers/CountryGameController.swift @ 30:eb23effeede7

add DatasetView
author Dennis C. M. <dennis@denniscm.com>
date Thu, 10 Nov 2022 11:51:52 +0100
parents f5a2c2dab208
children 6d574bd1644f
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1 //
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2 // CountryGameController.swift
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3 // GeoQuiz
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4 //
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5 // Created by Dennis Concepción Martín on 20/9/22.
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6 //
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7
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8 import Foundation
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9 import AVFAudio
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11 class CountryGameController: Game, ObservableObject {
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13 // Define type of generics
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14 typealias T = CountryModel.Country
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16 var data: [String: T]
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17 var dataAsked = [String: T]()
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19 // Data
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20 @Published var correctAnswer = (
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21 key: String(),
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22 value: T(flag: String(), currency: String(), population: Int(), capital: String())
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23 )
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25 // User
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26 @Published var userChoices = [String: T]()
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27 @Published var userScore = 0
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28 @Published var userLives = 3
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29 @Published var correctAnswers = [String: T]()
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30 @Published var wrongAnswers = [String: T]()
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32 // Alerts
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33 @Published var alertTitle = String()
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34 @Published var alertMessage = String()
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35 @Published var showingEndGameAlert = false
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36 @Published var showingWrongAnswerAlert = false
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37 @Published var showingExitGameAlert = false
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39 // Animations
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40 @Published var scoreScaleAmount = 1.0
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41 @Published var livesScaleAmount = 1.0
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42
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43 // Sound effects
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44 @Published var player: AVAudioPlayer?
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45
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46 init() {
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47 let data: CountryModel = Bundle.main.decode("countries.json")
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48 let shuffledCountries = data.countries.shuffled().prefix(100)
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49
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50 var countries = [String: T]()
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51 for shuffledCountry in shuffledCountries {
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52 countries[shuffledCountry.key] = shuffledCountry.value
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53 }
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54
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55 self.data = countries
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56
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57 let user = UserController()
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58 userLives = user.data.numberOfLives
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59
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60 if let userData = UserDefaults.standard.data(forKey: "UserData") {
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61 if let decodedUserData = try? JSONDecoder().decode(UserDataModel.self, from: userData) {
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62 userLives = decodedUserData.numberOfLives
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63 }
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64 }
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65
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66 askQuestion {
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67 selector()
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68 }
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69 }
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70 }
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71
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72 extension CountryGameController {
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73 func selector() {
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74
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75 // Get random choices
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76 var userChoices = [String: T]()
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78 while userChoices.count < 2 {
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79 if let choice = data.randomElement() {
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80 userChoices[choice.key] = choice.value
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81 } else {
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82 fatalError("Couldn't get a random value from data")
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83 }
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84 }
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85
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86 // Get correct answer
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87 let randomCountryKeys = data.keys.shuffled()
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89 let correctCountryKey = randomCountryKeys.first(where: {
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90 !userChoices.keys.contains($0) && // Avoid duplicated countries
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91 !dataAsked.keys.contains($0) // Avoid countries already asked
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92 })
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93
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94 // Unwrap correct answer
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95 if let correctCountryKey = correctCountryKey {
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96 let correctCountryValue = data[correctCountryKey]!
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97
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98 userChoices[correctCountryKey] = correctCountryValue
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99 dataAsked[correctCountryKey] = correctCountryValue
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101 let correctAnswer = (key: correctCountryKey, value: correctCountryValue)
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102 self.correctAnswer = correctAnswer
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103 } else {
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104 fatalError("Couldn't unwrap optional value")
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105 }
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106
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107 self.userChoices = userChoices
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108 }
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109 }