Fixed iOS params issue related to the second init for wrappers (#594)

* Fixed params issue related to the second init
* On first init call the app id is null form some wrappers
* Now every time init is called we try to download the params if the `didCallDownloadParams` false

* Fix for OneSignal wrappers in native init
* Wrapper SDKs call init twice, once with a null app id and once with a valid app id
  - On first init: null app id prevents iOS params and initDone will be set true
  - On second init: valid app id will allow iOS params to be pulled down and init is done already
* Log level is now being set to default VERBOSE in NSE
  - This is so any logs get recorded for the device even when coming from the NSE
  - The customer will have control app level for showing OneSignal logs, but NSE will always log out logs
* Unit test written for checking that init called twice (once with null app id and once with valid app id) does not effect iOS params request

* Updated the log when entering the NSE of the SDK

iOS_SDK/OneSignalSDK/Source/OneSignal.m

@@ -160,10 +160,6 @@ @implementation OneSignal
 // Under Capabilities is "Background Modes" > "Remote notifications" enabled.
 static BOOL backgroundModesEnabled = false;
 
-// indicates if the GetiOSParams request has completed
-static BOOL downloadedParameters = false;
-static BOOL didCallDownloadParameters = false;
-
 static BOOL promptBeforeOpeningPushURLs = false;
 
 
@@ -332,6 +328,24 @@ + (void)setMSubscriptionStatus:(NSNumber*)status {
     mSubscriptionStatus = [status intValue];
 }
 
+/*
+ Indicates if the iOS params request has started
+ Set to true when the method is called and set false if the request's failure callback is triggered
+ */
+static BOOL _didCallDownloadParameters = false;
++ (BOOL)didCallDownloadParameters {
+    return _didCallDownloadParameters;
+}
+
+/*
+ Indicates if the iOS params request is complete
+ Set to true when the request's success callback is triggered
+ */
+static BOOL _downloadedParameters = false;
++ (BOOL)downloadedParameters {
+    return _downloadedParameters;
+}
+
 static OneSignalReceiveReceiptsController* _receiveReceiptsController;
 + (OneSignalReceiveReceiptsController*)receiveReceiptsController {
     if (!_receiveReceiptsController)
@@ -428,7 +442,8 @@ + (void)clearStatics {
 
     _permissionStateChangesObserver = nil;
 
-    didCallDownloadParameters = false;
+    _downloadedParameters = false;
+    _didCallDownloadParameters = false;
 
     maxApnsWait = APNS_TIMEOUT;
     reattemptRegistrationInterval = REGISTRATION_DELAY_SECONDS;
@@ -520,6 +535,11 @@ + (id)initWithLaunchOptions:(NSDictionary*)launchOptions
     if (!success)
         return self;
 
+    // Wrapper SDK's call init twice and pass null as the appId on the first call
+    //  the app ID is required to download parameters, so do not download params until the appID is provided
+    if (!_didCallDownloadParameters && appId && appId != (id)[NSNull null])
+        [self downloadIOSParamsWithAppId:appId];
+
     if (initDone)
         return self;
     initDone = true;
@@ -529,11 +549,6 @@ + (id)initWithLaunchOptions:(NSDictionary*)launchOptions
     // Outcomes init
     _sessionManager = [[OneSignalSessionManager alloc] init:self];
     _outcomeEventsController = [[OneSignalOutcomeEventsController alloc] init:self.sessionManager];
-
-    // Some wrapper SDK's call init multiple times and pass nil/NSNull as the appId on the first call
-    //  the app ID is required to download parameters, so do not download params until the appID is provided
-    if (!didCallDownloadParameters && appId != nil && appId != (id)[NSNull null])
-        [self downloadIOSParamsWithAppId:appId];
 
     if (appId && mShareLocation)
        [OneSignalLocation getLocation:false];
@@ -597,7 +612,6 @@ + (id)initWithLaunchOptions:(NSDictionary*)launchOptions
         [self registerUser];
     else {
         [self.osNotificationSettings getNotificationPermissionState:^(OSPermissionState *state) {
-
             if (state.answeredPrompt) {
                 [self registerUser];
             } else {
@@ -664,6 +678,8 @@ + (bool)initAppId:(NSString*)appId withSettings:(NSDictionary*)settings {
     // Will also run the first time OneSignal is initialized
     if (app_id && ![app_id isEqualToString:prevAppId]) {
         initDone = false;
+        _downloadedParameters = false;
+        _didCallDownloadParameters = false;
         let sharedUserDefaults = OneSignalUserDefaults.initShared;
 
         [standardUserDefaults saveStringForKey:NSUD_APP_ID withValue:app_id];
@@ -762,9 +778,9 @@ + (void)checkIfApplicationImplementsDeprecatedMethods {
     });
 }
 
-+(void)downloadIOSParamsWithAppId:(NSString *)appId {
++ (void)downloadIOSParamsWithAppId:(NSString *)appId {
     [self onesignal_Log:ONE_S_LL_DEBUG message:@"Downloading iOS parameters for this application"];
-    didCallDownloadParameters = true;
+    _didCallDownloadParameters = true;
 
     [OneSignalClient.sharedClient executeRequest:[OSRequestGetIosParams withUserId:self.currentSubscriptionState.userId appId:appId] onSuccess:^(NSDictionary *result) {
         if (result[IOS_REQUIRES_EMAIL_AUTHENTICATION]) {
@@ -777,24 +793,22 @@ +(void)downloadIOSParamsWithAppId:(NSString *)appId {
             }
         }
 
-        if (!usesAutoPrompt &&
-            result[IOS_USES_PROVISIONAL_AUTHORIZATION] &&
-            result[IOS_USES_PROVISIONAL_AUTHORIZATION] != [NSNull null] &&
-            [result[IOS_USES_PROVISIONAL_AUTHORIZATION] boolValue]) {
-
-            [OneSignalUserDefaults.initStandard saveBoolForKey:USES_PROVISIONAL_AUTHORIZATION withValue:true];
+        if (!usesAutoPrompt && result[IOS_USES_PROVISIONAL_AUTHORIZATION] != (id)[NSNull null]) {
+            [OneSignalUserDefaults.initStandard saveBoolForKey:USES_PROVISIONAL_AUTHORIZATION withValue:[result[IOS_USES_PROVISIONAL_AUTHORIZATION] boolValue]];
 
             [self checkProvisionalAuthorizationStatus];
         }
 
-        if (result[IOS_RECEIVE_RECEIPTS_ENABLE])
-            [OneSignalUserDefaults.initShared saveBoolForKey:ONESIGNAL_ENABLE_RECEIVE_RECEIPTS withValue:true];
+        if (result[IOS_RECEIVE_RECEIPTS_ENABLE] != (id)[NSNull null])
+            [OneSignalUserDefaults.initShared saveBoolForKey:ONESIGNAL_ENABLE_RECEIVE_RECEIPTS withValue:[result[IOS_RECEIVE_RECEIPTS_ENABLE] boolValue]];
 
         [OSOutcomesUtils saveOutcomeParamsForApp:result];
         [OneSignalTrackFirebaseAnalytics updateFromDownloadParams:result];
 
-        downloadedParameters = true;
-    } onFailure:nil];
+        _downloadedParameters = true;
+    } onFailure:^(NSError *error) {
+        _didCallDownloadParameters = false;
+    }];
 }
 
 + (void)setLogLevel:(ONE_S_LOG_LEVEL)nsLogLevel visualLevel:(ONE_S_LOG_LEVEL)visualLogLevel {
@@ -2290,7 +2304,7 @@ + (void)setEmail:(NSString * _Nonnull)email withEmailAuthHashToken:(NSString * _
        and we do not need to delay the request
     */
 
-    if (!self.currentSubscriptionState.userId || (downloadedParameters == false && emailAuthToken != nil)) {
+    if (!self.currentSubscriptionState.userId || (_downloadedParameters == false && emailAuthToken != nil)) {
         [self onesignal_Log:ONE_S_LL_VERBOSE message:@"iOS Parameters for this application has not yet been downloaded. Delaying call to setEmail: until the parameters have been downloaded."];
         delayedEmailParameters = [OneSignalSetEmailParameters withEmail:email withAuthToken:emailAuthToken withSuccess:successBlock withFailure:failureBlock];
         return;

iOS_SDK/OneSignalSDK/Source/OneSignalInternal.h

@@ -66,6 +66,13 @@
 
 + (NSDate *)sessionLaunchTime;
 
+// Indicates if the app provides its own custom Notification customization settings UI
+// To enable this, set kOSSettingsKeyProvidesAppNotificationSettings to true in init.
++ (BOOL)providesAppNotificationSettings;
+
+@property (class, readonly) BOOL didCallDownloadParameters;
+@property (class, readonly) BOOL downloadedParameters;
+
 @property (class) NSObject<OneSignalNotificationSettings>* osNotificationSettings;
 @property (class) OSPermissionState* currentPermissionState;
 
@@ -75,10 +82,6 @@
 @property (class) OneSignalSessionManager* sessionManager;
 @property (class) OneSignalOutcomeEventsController* outcomeEventsController;
 
-// Indicates if the app provides its own custom Notification customization settings UI
-// To enable this, set kOSSettingsKeyProvidesAppNotificationSettings to true in init.
-+ (BOOL)providesAppNotificationSettings;
-
 @end
 
 

iOS_SDK/OneSignalSDK/Source/OneSignalNotificationServiceExtensionHandler.m

@@ -39,6 +39,10 @@ @implementation OneSignalNotificationServiceExtensionHandler
 
 + (UNMutableNotificationContent*)didReceiveNotificationExtensionRequest:(UNNotificationRequest*)request
                                          withMutableNotificationContent:(UNMutableNotificationContent*)replacementContent {
+    // Set default log level of NSE to VERBOSE so we get all logs from NSE logic
+    [OneSignal setLogLevel:ONE_S_LL_VERBOSE visualLevel:ONE_S_LL_NONE];
+    [OneSignal onesignal_Log:ONE_S_LL_VERBOSE message:@"NSE request received, setting OneSignal log level to VERBOSE!"];
+
     if (!replacementContent)
         replacementContent = [request.content mutableCopy];
 
@@ -50,6 +54,7 @@ + (UNMutableNotificationContent*)didReceiveNotificationExtensionRequest:(UNNotif
     // Track receieved
     [OneSignalTrackFirebaseAnalytics trackReceivedEvent:payload];
 
+    // Get and check the received notification id
     let receivedNotificationId = payload.notificationID;
     if (receivedNotificationId && ![receivedNotificationId isEqualToString:@""]) {
         // Track confirmed delivery

iOS_SDK/OneSignalSDK/Source/OneSignalReceiveReceiptsController.m

@@ -75,7 +75,7 @@ - (void)sendReceiveReceiptWithPlayerId:(nonnull NSString *)playerId
         [OneSignal onesignal_Log:ONE_S_LL_VERBOSE message:@"Receieve receipts disabled"];
         return;
     }
-    
+
     let request = [OSRequestReceiveReceipts withPlayerId:playerId notificationId:notificationId appId:appId];
     [OneSignalClient.sharedClient executeRequest:request onSuccess:^(NSDictionary *result) {
         if (success)

iOS_SDK/OneSignalSDK/UnitTests/UnitTests.m

@@ -37,6 +37,7 @@
 #import "OneSignal.h"
 #import "OneSignalHelper.h"
 #import "OneSignalTracker.h"
+#import "OneSignalInternal.h"
 #import "NSString+OneSignal.h"
 #import "UnitTestCommonMethods.h"
 #import "OneSignalSelectorHelpers.h"
@@ -1820,6 +1821,31 @@ - (void) testDidReceiveNotificationExtensionRequestDontOverrideCateogory {
     XCTAssertEqualObjects(content.attachments[0].URL.scheme, @"file");
 }
 
+/*
+ Wrapper SDKs call OneSignal init method twice:
+    1. App id is null
+    2. App id should be valid
+ NOTE: The init method uses flags initDone, didCallDownloadParameters, downloadedParameters and these prevent code from executing more than once in specific cases
+       initDone BOOL is used to return early in the event of init being called more than once
+       didCallDownloadParameters BOOL is used to determine whether iOS params have started being pulled down
+       downloadedParameters BOOL is used to determine whether iOS params have successfully been pulled down
+ */
+- (void)testiOSParams_withNullAppIdInit_andValidAppIdInit {
+    // 1. Open app and init with null app id
+    [OneSignal initWithLaunchOptions:nil appId:nil];
+    [UnitTestCommonMethods foregroundApp];
+
+    // 2. Make sure iOS params did not download, since app id was invalid
+    XCTAssertFalse(OneSignal.didCallDownloadParameters);
+    XCTAssertFalse(OneSignal.downloadedParameters);
+
+    // 3. Init with valid app id
+    [OneSignal initWithLaunchOptions:nil appId:@"b2f7f966-d8cc-11e4-bed1-df8f05be55ba"];
+
+    // 4. Make sure iOS params have been downloaded, since app_id is valid
+    XCTAssertTrue(OneSignal.didCallDownloadParameters);
+    XCTAssertTrue(OneSignal.downloadedParameters);
+}
 
 - (void)testAddingSharedKeysIfMissing {
     // 1. Init SDK as normal