From 5e9baefc600c11e1bfa201a3db2ea889115b4963 Mon Sep 17 00:00:00 2001
From: Amy <a.dyer@kickstarter.com>
Date: Mon, 25 Mar 2024 13:35:29 -0400
Subject: [PATCH] MBL-1123: Supply Stripe credentials in
 PostCampaignCheckoutViewController

---
 .../PostCampaignCheckoutViewController.swift      |  8 ++++++++
 .../PostCampaignCheckoutViewModel.swift           | 15 +++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/Kickstarter-iOS/Features/PledgeView/Controllers/PostCampaignCheckoutViewController.swift b/Kickstarter-iOS/Features/PledgeView/Controllers/PostCampaignCheckoutViewController.swift
index 8ac3de37ff..55a7fca2c7 100644
--- a/Kickstarter-iOS/Features/PledgeView/Controllers/PostCampaignCheckoutViewController.swift
+++ b/Kickstarter-iOS/Features/PledgeView/Controllers/PostCampaignCheckoutViewController.swift
@@ -1,6 +1,7 @@
 import KsApi
 import Library
 import Prelude
+import Stripe
 import UIKit
 
 private enum PostCampaignCheckoutLayout {
@@ -204,6 +205,13 @@ final class PostCampaignCheckoutViewController: UIViewController {
       }
 
     self.paymentMethodsViewController.view.rac.hidden = self.viewModel.outputs.paymentMethodsViewHidden
+
+    self.viewModel.outputs.configureStripeIntegration
+      .observeForUI()
+      .observeValues { merchantIdentifier, publishableKey in
+        STPAPIClient.shared.publishableKey = publishableKey
+        STPAPIClient.shared.configuration.appleMerchantIdentifier = merchantIdentifier
+      }
   }
 
   // MARK: - Functions
diff --git a/Library/ViewModels/PostCampaignCheckoutViewModel.swift b/Library/ViewModels/PostCampaignCheckoutViewModel.swift
index 9753d25e0a..d890eb3254 100644
--- a/Library/ViewModels/PostCampaignCheckoutViewModel.swift
+++ b/Library/ViewModels/PostCampaignCheckoutViewModel.swift
@@ -37,6 +37,7 @@ public protocol PostCampaignCheckoutViewModelOutputs {
   var goToLoginSignup: Signal<(LoginIntent, Project, Reward?), Never> { get }
   var paymentMethodsViewHidden: Signal<Bool, Never> { get }
   var showWebHelp: Signal<HelpType, Never> { get }
+  var configureStripeIntegration: Signal<StripeConfigurationData, Never> { get }
 }
 
 public protocol PostCampaignCheckoutViewModelType {
@@ -116,6 +117,19 @@ public class PostCampaignCheckoutViewModel: PostCampaignCheckoutViewModelType,
         )
         return (rewardsData, data.bonusAmount, pledgeData)
       }
+
+    self.configureStripeIntegration = Signal.combineLatest(
+      initialData,
+      context
+    )
+    .filter { !$1.paymentMethodsViewHidden }
+    .ignoreValues()
+    .map { _ in
+      (
+        Secrets.ApplePay.merchantIdentifier,
+        AppEnvironment.current.environmentType.stripePublishableKey
+      )
+    }
   }
 
   // MARK: - Inputs
@@ -163,6 +177,7 @@ public class PostCampaignCheckoutViewModel: PostCampaignCheckoutViewModelType,
   public let goToLoginSignup: Signal<(LoginIntent, Project, Reward?), Never>
   public let paymentMethodsViewHidden: Signal<Bool, Never>
   public let showWebHelp: Signal<HelpType, Never>
+  public let configureStripeIntegration: Signal<StripeConfigurationData, Never>
 
   public var inputs: PostCampaignCheckoutViewModelInputs { return self }
   public var outputs: PostCampaignCheckoutViewModelOutputs { return self }