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1 //
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2 // StoreKitController.swift
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3 // GeoQuiz
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4 //
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5 // Created by Dennis Concepción Martín on 9/10/22.
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6 //
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7
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8 import Foundation
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9 import RevenueCat
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10
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11 class StoreKitController: ObservableObject {
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12 @Published var errorAlertTitle = ""
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13 @Published var errorAlertMessage = ""
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14
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15 @Published var showingErrorAlert = false
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16 @Published var showingSuccessAlert = false
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17 @Published var showingActivityAlert = false
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18
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19 @Published var offerings: Offerings? = nil
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20 @Published var customerInfo: CustomerInfo? {
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21 didSet {
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22 premiumIsActive = customerInfo?.entitlements["Premium"]?.isActive == true
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23 }
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24 }
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25
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26 @Published var premiumIsActive = false
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27
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28 init() {
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29 Purchases.shared.getCustomerInfo { (customerInfo, error) in
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30 self.customerInfo = customerInfo
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31 }
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32 }
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33
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34 func buy(_ package: Package) {
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35 showingActivityAlert = true
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36
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37 Purchases.shared.purchase(package: package) { (transaction, customerInfo, error, userCancelled) in
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38 if customerInfo?.entitlements["Premium"]?.isActive == true {
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39 self.showingSuccessAlert = true
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40 }
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41
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42 if let error = error as? RevenueCat.ErrorCode {
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43 switch error {
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44 case .purchaseCancelledError:
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45 self.errorAlertTitle = "Purchase cancelled"
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46 self.errorAlertMessage = ""
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47 self.showingErrorAlert = true
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48 default:
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49 self.errorAlertTitle = "The purchase failed"
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50 self.errorAlertMessage = "If the problem persists, contact me at dmartin@dennistech.io"
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51 self.showingErrorAlert = true
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52 }
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53 }
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54
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55 self.customerInfo = customerInfo
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56 self.showingActivityAlert = false
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57 }
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58 }
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59
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60 func restorePurchase() {
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61 showingActivityAlert = true
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62
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63 Purchases.shared.restorePurchases { customerInfo, error in
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64 if customerInfo?.entitlements["Premium"]?.isActive == true {
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65 self.showingSuccessAlert = true
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66 } else {
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67 self.errorAlertTitle = "Opps!"
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68 self.errorAlertMessage = "You don't have GeoQuiz Premium unlocked."
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69 self.showingErrorAlert = true
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70 }
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71
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72 if let _ = error {
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73 self.errorAlertTitle = "The purchase couldn't be restored"
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74 self.errorAlertMessage = "If the problem persists, contact me at dmartin@dennistech.io"
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75 self.showingErrorAlert = true
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76 }
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77
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78 self.customerInfo = customerInfo
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79 self.showingActivityAlert = false
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80 }
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81 }
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82
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83 func fetchOfferings() {
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84 Purchases.shared.getOfferings { (offerings, error) in
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85 if let _ = error {
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86 self.errorAlertTitle = "The product couldn't be fetched"
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87 self.errorAlertMessage = "If the problem persists, contact me at dmartin@dennistech.io"
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88 self.showingErrorAlert = true
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89 }
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90
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91 self.offerings = offerings
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92 }
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93 }
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94 }
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