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242//
// ApplePayHandlerLite.swift
// Hyperswitch
//
// Created by Harshit Srivastava on 30/08/24.
//
import Foundation
import PassKit
typealias ApplePayCallback = ([[String: Any]])->()
internal class ApplePayHandlerLite: NSObject {
var paymentStatus: PKPaymentAuthorizationStatus? = .failure
var callback: ApplePayCallback?
internal func startPayment(rnMessage: String, rnCallback: @escaping ApplePayCallback) {
callback = rnCallback
var requiredBillingContactFields: Set<PKContactField>?
var requiredShippingContactFields: Set<PKContactField>?
guard let dict = rnMessage.toJSON() as? [String: AnyObject] else {
callback?([["status": "Failed", "message": "ApplePay: missing field payment_request_data"]])
callback = nil
return
}
guard let payment_request_data = dict["payment_request_data"] else {
callback?([["status": "Failed", "message": "ApplePay: missing field payment_request_data"]])
callback = nil
return
}
guard let countryCode = payment_request_data["country_code"] as? String else {
callback?([["status": "Failed", "message": "ApplePay: missing field country_code"]])
callback = nil
return
}
guard let currencyCode = payment_request_data["currency_code"] as? String else {
callback?([["status": "Failed", "message": "ApplePay: missing field currency_code"]])
callback = nil
return
}
guard let total = payment_request_data["total"] as? [String: AnyObject] else {
callback?([["status": "Failed", "message": "ApplePay: missing field total"]])
callback = nil
return
}
guard let amount = total["amount"] as? String,
let label = total["label"] as? String,
let type = total["type"] as? String else {
callback?([["status": "Failed", "message": "ApplePay: missing fields amount, label, type"]])
callback = nil
return
}
guard let merchant_capabilities_array = payment_request_data["merchant_capabilities"] as? Array<String> else {
callback?([["status": "Failed", "message": "ApplePay: missing field merchant_capabilities"]])
callback = nil
return
}
guard let merchantIdentifier = payment_request_data["merchant_identifier"] as? String else {
callback?([["status": "Failed", "message": "ApplePay: missing field merchant_identifier"]])
callback = nil
return
}
guard let supported_networks_array = payment_request_data["supported_networks"] as? Array<String> else {
callback?([["status": "Failed", "message": "ApplePay: missing field supported_networks"]])
callback = nil
return
}
let supportedNetworks = supported_networks_array.compactMap { (string) -> PKPaymentNetwork? in
switch string {
case "visa":
return .visa
case "masterCard":
return .masterCard
case "amex":
return .amex
case "discover":
return .discover
case "quicPay":
return .quicPay
default:
return nil
}
}
if let required_billing_contact_fields = payment_request_data["required_billing_contact_fields"] as? Array<String> {
requiredBillingContactFields = Set(required_billing_contact_fields.compactMap(mapToPKContactField))
}
if let required_shipping_contact_fields = payment_request_data["required_shipping_contact_fields"] as? Array<String> {
requiredShippingContactFields = Set(required_shipping_contact_fields.compactMap(mapToPKContactField))
}
let paymentSummaryItems = PKPaymentSummaryItem(label: label, amount: NSDecimalNumber(string: amount), type: (type == "final") ? .final : .pending)
let paymentRequest = PKPaymentRequest()
paymentRequest.paymentSummaryItems = [paymentSummaryItems]
paymentRequest.merchantIdentifier = merchantIdentifier
paymentRequest.countryCode = countryCode
paymentRequest.currencyCode = currencyCode
paymentRequest.requiredShippingContactFields = requiredShippingContactFields ?? []
paymentRequest.requiredBillingContactFields = requiredBillingContactFields ?? []
paymentRequest.supportedNetworks = supportedNetworks
for val in merchant_capabilities_array {
paymentRequest.merchantCapabilities = (val == "supports3DS") ? .threeDSecure : .debit
}
/// Create and present the PKPaymentAuthorizationController
guard
PKPaymentAuthorizationController.canMakePayments(),
!paymentRequest.merchantIdentifier.isEmpty,
PKPaymentAuthorizationViewController(paymentRequest: paymentRequest) != nil
else {
callback?([["status": "Failed", "message": "ApplePay: cannot make payments"]])
callback = nil
return
}
let paymentController = PKPaymentAuthorizationController(paymentRequest: paymentRequest)
paymentController.delegate = self
paymentController.present(completion: { presented in
if presented {
self.paymentStatus = nil
} else {
self.callback?([["status": "Failed", "message": "ApplePay: unable to present"]])
self.callback = nil
}
})
}
}
/// Extension to conform to PKPaymentAuthorizationControllerDelegate
extension ApplePayHandlerLite: PKPaymentAuthorizationControllerDelegate {
/// Handle successful payment authorization
internal func paymentAuthorizationController(_ controller: PKPaymentAuthorizationController, didAuthorizePayment payment: PKPayment, handler completion: @escaping (PKPaymentAuthorizationResult) -> Void) {
let errors = [Error]()
let status = PKPaymentAuthorizationStatus.success
self.paymentStatus = status
let dataString = payment.token.paymentData.base64EncodedString()
var paymentType = "debit"
switch payment.token.paymentMethod.type {
case .debit: paymentType = "debit"
case .credit: paymentType = "credit"
case .store: paymentType = "store"
case .prepaid: paymentType = "prepaid"
case .eMoney: paymentType = "eMoney"
default: paymentType = "unknown"
}
self.callback?(
[[
"status": "Success",
"payment_data": dataString,
"payment_method": [
"type": paymentType,
"network": payment.token.paymentMethod.network ?? "",
"display_name": payment.token.paymentMethod.displayName ?? ""
],
"transaction_identifier": payment.token.transactionIdentifier,
"billing_contact": convertPKContactToDictionary(payment.billingContact),
"shipping_contact": convertPKContactToDictionary(payment.shippingContact)
]]
)
completion(PKPaymentAuthorizationResult(status: paymentStatus ?? .failure, errors: errors))
}
/// Handle completion of the payment authorization flow
internal func paymentAuthorizationControllerDidFinish(_ controller: PKPaymentAuthorizationController) {
controller.dismiss {
DispatchQueue.main.async {
if self.paymentStatus == .failure {
self.callback?([["status": "Failed", "message": "ApplePay: payment failed"]])
} else if self.paymentStatus == nil {
self.callback?([["status": "Cancelled"]])
}
}
}
}
private func mapToPKContactField(_ string: String) -> PKContactField? {
switch string {
case "postalAddress": return .postalAddress
case "email": return .emailAddress
case "phone": return .phoneNumber
case "name": return .name
case "phoneticName": return .phoneticName
default: return nil
}
}
private func convertPKContactToDictionary(_ contact: PKContact?) -> [String: Any] {
var contactDict = [String: Any]()
if let name = contact?.name {
var nameDict = [String: Any]()
nameDict["givenName"] = name.givenName
nameDict["familyName"] = name.familyName
nameDict["namePrefix"] = name.namePrefix
nameDict["nameSuffix"] = name.nameSuffix
nameDict["nickname"] = name.nickname
nameDict["middleName"] = name.middleName
// nameDict["phoneticRepresentation"] = name.phoneticRepresentation
contactDict["name"] = nameDict
}
if let postalAddress = contact?.postalAddress {
var addressDict = [String: Any]()
addressDict["street"] = postalAddress.street
addressDict["city"] = postalAddress.city
addressDict["state"] = postalAddress.state
addressDict["postalCode"] = postalAddress.postalCode
addressDict["country"] = postalAddress.country
addressDict["subLocality"] = postalAddress.subLocality
addressDict["subAdministrativeArea"] = postalAddress.subAdministrativeArea
addressDict["isoCountryCode"] = postalAddress.isoCountryCode
contactDict["postalAddress"] = addressDict
}
if let phoneNumber = contact?.phoneNumber {
contactDict["phoneNumber"] = phoneNumber.stringValue
}
if let emailAddress = contact?.emailAddress {
contactDict["emailAddress"] = emailAddress
}
return contactDict
}
}