Initial commit

Emoney Info/Classes/api/MegaCashApi.swift

@@ -0,0 +1,58 @@
+//
+//  MegaCashApi.swift
+//  Emoney Info
+//
+//  Created by Wira Irawan on 27/07/24.
+//
+
+import Foundation
+
+public class MegaCashApi : UnifiedNfcApi {
+    var emoney : Emoney = Emoney()
+    var riwayatList: [RiwayatCard] = []
+    
+    public override init() {}
+    
+    public func getBalance(resp : Data){
+        self.emoney.setCardLabel("MegaCash")
+        let value = resp.hexEncodedString()
+        self.emoney.setCardNumber(value.subString(from: 4, to: value.count))
+        apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.MEGA_APDU02, completionHandler: {response in
+            if (response.sw1 == 0x90 && response.sw2 == 0x00){
+                let balance = response.getData().hexEncodedString()
+                self.emoney.setBalance(self.getRealBalance(reverseHexa: balance))
+                self.emoney.setTampilRiwayat(false)
+                self.updateScreen()
+                self.apduRunner.sessionEx?.alertMessage = "readFinish".localizeString(string: self.langCode!)
+                self.apduRunner.invalidateSession()
+            } else {
+                self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
+            }
+        })
+    }
+    
+    func getRealBalance(reverseHexa: String?) -> Int {
+        guard let reverseHexa = reverseHexa?.trimmingCharacters(in: .whitespacesAndNewlines), !reverseHexa.isEmpty else {
+            return 0
+        }
+        
+        if reverseHexa.count % 2 != 0 {
+            return 0
+        }
+        
+        var sb = ""
+        for l in stride(from: reverseHexa.count / 2, through: 1, by: -1) {
+            let index1 = reverseHexa.index(reverseHexa.startIndex, offsetBy: l * 2 - 2)
+            let index2 = reverseHexa.index(reverseHexa.startIndex, offsetBy: l * 2 - 1)
+            sb.append(reverseHexa[index1])
+            sb.append(reverseHexa[index2])
+        }
+        return sb.hex2decimal()
+    }
+    
+    private func updateScreen(){
+        if (self.apduRunner.callback != nil){
+            self.apduRunner.callback?.complete(emoney: self.emoney)
+        }
+    }
+}