From 2f971517f1b6c7f25d0f489539c765510e1931d9 Mon Sep 17 00:00:00 2001
From: Brandon Stalnaker <33703490+BrandonStalnaker@users.noreply.github.com>
Date: Mon, 9 Sep 2024 11:04:27 -0400
Subject: [PATCH] feat: Implement Google EU Consent (#94)

* feat: Implement Google EU Consent

* update logic

* spellcheck
---
 Sources/mParticle-Appboy/MPKitAppboy.m | 46 ++++++++++++++++++++++++++
 mParticle-Appboy.podspec               | 10 +++---
 2 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/Sources/mParticle-Appboy/MPKitAppboy.m b/Sources/mParticle-Appboy/MPKitAppboy.m
index 18bf6db..5b89d70 100644
--- a/Sources/mParticle-Appboy/MPKitAppboy.m
+++ b/Sources/mParticle-Appboy/MPKitAppboy.m
@@ -47,6 +47,15 @@
 static NSString *const promotionKey = @"promotions";
 static NSString *const impressionKey = @"impressions";
 
+// Strings used for Google Consent
+static NSString *const MPMapKey = @"map";
+static NSString *const MPValueKey = @"value";
+static NSString *const MPConsentMappingSDKKey = @"consentMappingSDK";
+static NSString *const MPGoogleAdUserDataKey = @"google_ad_user_data";
+static NSString *const MPGoogleAdPersonalizationKey = @"google_ad_personalization";
+static NSString *const BGoogleAdUserDataKey = @"$google_ad_user_data";
+static NSString *const BGoogleAdPersonalizationKey = @"$google_ad_personalization";
+
 #if TARGET_OS_IOS
 static id<BrazeInAppMessageUIDelegate> inAppMessageControllerDelegate = nil;
 static BOOL shouldDisableNotificationHandling = NO;
@@ -325,6 +334,9 @@ - (MPKitExecStatus *)didFinishLaunchingWithConfiguration:(NSDictionary *)configu
         _started = NO;
     }
     
+    // Update Consent on launch
+    [self updateConsent];
+    
     execStatus = [[MPKitExecStatus alloc] initWithSDKCode:[[self class] kitCode] returnCode:MPKitReturnCodeSuccess];
     return execStatus;
 }
@@ -1037,6 +1049,40 @@ - (MPKitExecStatus *)setATTStatus:(MPATTAuthorizationStatus)status withATTStatus
     return [[MPKitExecStatus alloc] initWithSDKCode:@(MPKitInstanceAppboy) returnCode:MPKitReturnCodeSuccess];
 }
 
+- (MPKitExecStatus *)setConsentState:(nullable MPConsentState *)state {
+    [self updateConsent];
+
+    return [[MPKitExecStatus alloc] initWithSDKCode:@(MPKitInstanceAppboy) returnCode:MPKitReturnCodeSuccess];
+}
+
+- (void)updateConsent {
+    MParticleUser *currentUser = [[[MParticle sharedInstance] identity] currentUser];
+    NSDictionary<NSString *, MPGDPRConsent *> *userConsentMap = currentUser.consentState.gdprConsentState;
+    
+    // Update from mParticle consent
+    if (self.configuration && self.configuration[MPConsentMappingSDKKey]) {
+        // Retrieve the array of Consent Map Dictionaries from the Config
+        NSData *objectData = [self.configuration[MPConsentMappingSDKKey] dataUsingEncoding:NSUTF8StringEncoding];
+        NSArray *consentMappingArray = [NSJSONSerialization JSONObjectWithData:objectData
+                                              options:NSJSONReadingMutableContainers
+                                                error:nil];
+        
+        // For each valid Consent Map check if mParticle has a corresponding consent setting and, if so, send to Braze
+        for (NSDictionary *consentMappingDict in consentMappingArray) {
+            NSString *consentPurpose = consentMappingDict[MPMapKey];
+            if (consentMappingDict[MPValueKey] && userConsentMap[consentPurpose.lowercaseString]) {
+                NSString *brazeConsentName = consentMappingDict[MPValueKey];
+                MPGDPRConsent *consent = userConsentMap[consentPurpose.lowercaseString];
+                if ([brazeConsentName isEqualToString:MPGoogleAdUserDataKey]) {
+                    [appboyInstance.user setCustomAttributeWithKey:BGoogleAdUserDataKey boolValue:consent.consented];
+                } else if ([brazeConsentName isEqualToString:MPGoogleAdPersonalizationKey]) {
+                    [appboyInstance.user setCustomAttributeWithKey:BGoogleAdPersonalizationKey boolValue:consent.consented];
+                }
+            }
+        }
+    }
+}
+
 #pragma mark Configuration Dictionary
 
 - (NSMutableDictionary *)simplifiedDictionary:(NSDictionary *)originalDictionary {
diff --git a/mParticle-Appboy.podspec b/mParticle-Appboy.podspec
index 7951b0e..fdd03ba 100755
--- a/mParticle-Appboy.podspec
+++ b/mParticle-Appboy.podspec
@@ -19,16 +19,16 @@ Pod::Spec.new do |s|
     s.ios.source_files      = 'Sources/**/*.{h,m,mm}'
     s.ios.resource_bundles  = { 'mParticle-Appboy-Privacy' => ['Sources/mParticle-Appboy/PrivacyInfo.xcprivacy'] }
     s.ios.dependency 'mParticle-Apple-SDK', '~> 8.19'
-    s.ios.dependency 'BrazeKit', '~> 9.0'
-    s.ios.dependency 'BrazeKitCompat', '~> 9.0'
-    s.ios.dependency 'BrazeUI', '~> 9.0'
+    s.ios.dependency 'BrazeKit', '~> 10.0'
+    s.ios.dependency 'BrazeKitCompat', '~> 10.0'
+    s.ios.dependency 'BrazeUI', '~> 10.0'
     
     s.tvos.deployment_target = "12.0"
     s.tvos.source_files      = 'Sources/**/*.{h,m,mm}'
     s.tvos.resource_bundles  = { 'mParticle-Appboy-Privacy' => ['Sources/mParticle-Appboy/PrivacyInfo.xcprivacy'] }
     s.tvos.dependency 'mParticle-Apple-SDK', '~> 8.19'
-    s.tvos.dependency 'BrazeKit', '~> 9.0'
-    s.tvos.dependency 'BrazeKitCompat', '~> 9.0'
+    s.tvos.dependency 'BrazeKit', '~> 10.0'
+    s.tvos.dependency 'BrazeKitCompat', '~> 10.0'
 
 
 end