Merge pull request #2 from AssemblyPayments/spi-2.1

SPI 2.1 Samples

.gitignore

@@ -27,3 +27,4 @@ xcuserdata/
 *.ipa
 *.dSYM.zip
 *.dSYM
+

kebabpos/KebabPos.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

kebabpos/KebabPos.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

kebabpos/KebabPos/AppDelegate.swift

@@ -0,0 +1,21 @@
+//
+//  AppDelegate.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 29/5/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import UIKit
+
+@UIApplicationMain
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+    var window: UIWindow?
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+        KebabApp.current.initialize()
+        return true
+    }
+
+}

kebabpos/KebabPos/Logics/Enums/AppEvents.swift

@@ -0,0 +1,15 @@
+//
+//  AppEvents.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 28/5/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import Foundation
+
+enum AppEvent: String {
+    case connectionStatusChanged
+    case pairingFlowChanged
+    case transactionFlowStateChanged
+}

kebabpos/KebabPos/Logics/Extensions/SPIExtensions.swift

@@ -0,0 +1,74 @@
+//
+//  SPIExtensions.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 6/6/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import Foundation
+import SPIClient_iOS
+
+extension SPIMessageSuccessState {
+    var name: String {
+        switch self {
+        case .failed:
+            return "failed"
+        case .success:
+            return "success"
+        case .unknown:
+            return "unknown"
+        }
+    }
+}
+
+extension SPIStatus {
+    var name: String {
+        switch self {
+        case .unpaired:
+            return "Unpaired"
+        case .pairedConnecting:
+            return "Connecting"
+        case .pairedConnected:
+            return "Connected"
+        }
+    }
+}
+
+extension SPIFlow {
+    var name: String {
+        switch self {
+        case .idle:
+            return "Idle"
+        case .pairing:
+            return "Pairing"
+        case .transaction:
+            return "Transaction"
+        }
+    }
+}
+
+extension SPITransactionType {
+    var name: String {
+        switch self {
+        case .getLastTransaction:
+            return "Get Last Transaction"
+        case .purchase:
+            return "Purchase"
+        case .refund:
+            return "Refund"
+        case .settle:
+            return "Settle"
+        case .cashoutOnly:
+            return "Cashout Only"
+        case .MOTO:
+            return "MOTO"
+        case .settleEnquiry:
+            return "Settle Enquiry"
+        case .preAuth:
+            return "Pre Auth"
+        case .accountVerify:
+            return "Account Verify"
+        }
+    }
+}

kebabpos/KebabPos/Logics/Extensions/UIViewController+Alert.swift

@@ -0,0 +1,65 @@
+//
+//  UIViewController+Alert.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 29/5/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+var remainingAlerts:[UIAlertController] = []
+
+extension UIViewController {
+
+    func showAlert(title: String, message: String) {
+        let alertController  = UIAlertController(title: title, message: message, preferredStyle: .alert)
+        alertController.addAction(UIAlertAction(title: "OK", style: .default, handler: nil))
+        showAlert(alertController: alertController)
+    }
+
+    func showAlert(alertController: UIAlertController) {
+        func displayNext(){
+            if remainingAlerts.count > 0 {
+                let nextAlert = remainingAlerts.remove(at: 0)
+                self.showAlert(alertController: nextAlert)
+            }
+        }
+
+        func display() {
+            DispatchQueue.main.async {
+                self.present(alertController, animated: true) {
+                    displayNext()
+                }
+            }
+        }
+
+        if (presentedViewController == nil) {
+            display()
+        } else if let existingAlert = presentedViewController as? UIAlertController {
+            if (!existingAlert.isBeingDismissed && !existingAlert.isBeingPresented){
+                existingAlert.dismiss(animated: false, completion: {
+                    display()
+                })
+            } else {
+                addToRemaining(alert: alertController)
+            }
+            return
+        }
+    }
+
+    // In case multiple alerts needs to be shown in a sequence, we keep them in an array to display later
+    private func addToRemaining(alert:UIAlertController){
+        if let existingAlert = presentedViewController as? UIAlertController , existingAlert.message == alert.message {
+            return
+        }
+        else if remainingAlerts.isEmpty{
+            remainingAlerts.append(alert)
+        } else if let lastAlert = remainingAlerts.last, lastAlert.message != alert.message {
+            //if not duplicated messages
+            remainingAlerts.append(alert)
+        }
+    }
+
+}

kebabpos/KebabPos/Logics/Extensions/toString.swift

@@ -0,0 +1,37 @@
+//
+//  Date+String.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 6/6/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import Foundation
+
+extension Date {
+
+    func toString(includeTime: Bool = false) -> String {
+        var format = ""
+        if (includeTime) {
+            format = "dd/MM/yyyy hh:mm a"
+        } else {
+            format = "dd/MM/yyyy"
+        }
+        return toString(format: format)
+    }
+
+    func toString(format: String) -> String {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = format
+        return dateFormatter.string(from: self)
+    }
+
+}
+
+extension Bool {
+
+    func toString() -> String {
+        return self ? "true" : "false"
+    }
+
+}

kebabpos/KebabPos/Logics/KebabApp+SPIConnectionDelegate.swift

@@ -0,0 +1,61 @@
+//
+//  SPIConnectionDelegate.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 28/5/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import Foundation
+import SPIClient_iOS
+
+extension KebabApp: SPIDelegate {
+
+    /// Called when we received a Status Update i.e. Unpaired/PairedConnecting/PairedConnected
+    func spi(_ spi: SPIClient, statusChanged state: SPIState) {
+        NotificationCenter.default.post(name: NSNotification.Name(rawValue: AppEvent.connectionStatusChanged.rawValue), object: state)
+
+        SPILogMsg("statusChanged \(state)")
+    }
+
+    // Called during the pairing process to let us know how it's going.
+    // We just update our screen with the information, and provide relevant Actions to the user.
+    func spi(_ spi: SPIClient, pairingFlowStateChanged state: SPIState) {
+        SPILogMsg("pairingFlowStateChanged \(state)")
+
+        NotificationCenter.default.post(name: NSNotification.Name(rawValue: AppEvent.pairingFlowChanged.rawValue), object: state)
+    }
+
+    func spi(_ spi: SPIClient!, secretsChanged secrets: SPISecrets?, state: SPIState!) {
+        SPILogMsg("secrets \(state)")
+        if let secrets = secrets {
+            SPILogMsg("\n\n")
+            SPILogMsg("# ----------- I GOT NEW SECRETS -----------")
+            SPILogMsg("# ---------- PERSIST THEM SAFELY ----------")
+            SPILogMsg("# \(secrets.encKey):\(secrets.hmacKey)")
+            SPILogMsg("# -----------------------------------------")
+
+            // In prod store them in the key chain
+            settings.encriptionKey = secrets.encKey!
+            settings.hmacKey = secrets.hmacKey!
+        } else {
+            SPILogMsg("\n\n")
+            SPILogMsg("# ------ THE SECRETS HAVE BEEN VOIDED -----")
+            SPILogMsg("# ---------- CONSIDER ME UNPAIRED ---------")
+            SPILogMsg("# -----------------------------------------")
+
+            settings.encriptionKey = ""
+            settings.hmacKey = ""
+        }
+    }
+
+    // Called during a transaction to let us know how it's going.
+    // We just update our screen with the information, and provide relevant Actions to the user.
+    func spi(_ spi: SPIClient, transactionFlowStateChanged state: SPIState) {
+        SPILogMsg("transactionFlowStateChanged \(state)")
+
+        // Let's show the user what options he has at this stage.
+        NotificationCenter.default.post(name: NSNotification.Name(rawValue: AppEvent.transactionFlowStateChanged.rawValue), object: state)
+    }
+
+}

kebabpos/KebabPos/Logics/KebabApp.swift

@@ -0,0 +1,43 @@
+//
+//  KebabContext.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 28/5/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import Foundation
+import SPIClient_iOS
+
+class KebabApp: NSObject {
+
+    private static var _instance: KebabApp = KebabApp()
+
+    var settings = SettingsProvider()
+    var client = SPIClient()
+
+    static var current: KebabApp {
+        return _instance
+    }
+
+    func initialize() {
+        guard let eftposAddress = settings.eftposAddress else { return }
+        guard let eftposId = settings.posId else { return }
+
+        if let encriptionKey = settings.encriptionKey, let hmacKey = settings.hmacKey {
+            SPILogMsg("LOADED KEYS FROM USERDEFAULTS")
+            SPILogMsg("KEYS \(encriptionKey):\(hmacKey)")
+            client.setSecretEncKey(encriptionKey, hmacKey: hmacKey)
+        }
+        client.eftposAddress = eftposAddress
+        client.posId = eftposId
+        client.config.signatureFlowOnEftpos = settings.customerSignatureromEFTPos ?? false
+        client.config.promptForCustomerCopyOnEftpos = settings.customerReceiptFromEFTPos ?? false
+        client.delegate = self
+    }
+
+    func start() {
+        client.start()
+    }
+
+}

kebabpos/KebabPos/Logics/Protocols/NotificationListener.swift

@@ -0,0 +1,22 @@
+//
+//  NotificationListener.swift
+//  KebabPos
+//
+//  Created by Amir Kamali on 29/5/18.
+//  Copyright © 2018 Assembly Payments. All rights reserved.
+//
+
+import Foundation
+
+@objc
+protocol NotificationListener {
+    @objc func onNotificationArrived(notification: NSNotification)
+}
+
+extension NotificationListener {
+    func registerForEvents(appEvents: [AppEvent]) {
+        for event in appEvents {
+            NotificationCenter.default.addObserver(self, selector: #selector(onNotificationArrived), name: NSNotification.Name(rawValue: event.rawValue), object: nil)
+        }
+    }
+}