Add optional parameter transactionId to trackRevenue methods

Adjust.podspec

@@ -1,11 +1,11 @@
 Pod::Spec.new do |s|
   s.name         = "Adjust"
-  s.version      = "3.0.0"
+  s.version      = "3.1.0"
   s.summary      = "This is the iOS SDK of Adjust. You can read more about it at http://adjust.io."
   s.homepage     = "http://adjust.io"
   s.license      = { :type => 'MIT', :file => 'MIT-LICENSE' }
   s.author       = { "Christian Wellenbrock" => "welle@adeven.com" }
-  s.source       = { :git => "https://github.com/adeven/adjust_ios_sdk.git", :tag => "v3.0.0" }
+  s.source       = { :git => "https://github.com/adeven/adjust_ios_sdk.git", :tag => "v3.1.0" }
   s.platform     = :ios, '4.3'
   s.framework    = 'AdSupport', 'SystemConfiguration'
   s.source_files = 'Adjust/*.{h,m}', 'Adjust/AIAdditions/*.{h,m}'

Adjust/AIActivityHandler.h

@@ -25,6 +25,7 @@
     withParameters:(NSDictionary *)parameters;
 
 - (void)trackRevenue:(double)amount
+       transactionId:(NSString *)transactionId
             forEvent:(NSString *)eventToken
       withParameters:(NSDictionary *)parameters;
 

Adjust/AIActivityHandler.m

@@ -104,14 +104,22 @@ - (void)trackEvent:(NSString *)eventToken
 }
 
 - (void)trackRevenue:(double)amount
+       transactionId:(NSString *)transactionId
             forEvent:(NSString *)eventToken
       withParameters:(NSDictionary *)parameters
 {
     dispatch_async(self.internalQueue, ^{
-        [self revenueInternal:amount event:eventToken parameters:parameters];
+        [self revenueInternal:amount transactionId:transactionId event:eventToken parameters:parameters];
     });
 }
 
+- (void)finishedTrackingWithResponse:(AIResponseData *)response {
+    if ([self.delegate respondsToSelector:@selector(adjustFinishedTrackingWithResponse:)]) {
+        [self.delegate performSelectorOnMainThread:@selector(adjustFinishedTrackingWithResponse:)
+                                        withObject:response waitUntilDone:NO];
+    }
+}
+
 #pragma mark - internal
 - (void)initInternal:(NSString *)yourAppToken {
     if (![self checkAppTokenNotNil:yourAppToken]) return;
@@ -230,13 +238,15 @@ - (void)eventInternal:(NSString *)eventToken
 }
 
 - (void)revenueInternal:(double)amount
+          transactionId:(NSString *)transactionId
                   event:(NSString *)eventToken
              parameters:(NSDictionary *)parameters
 {
     if (![self checkAppTokenNotNil:self.appToken]) return;
     if (![self checkActivityState:self.activityState]) return;
     if (![self checkAmount:amount]) return;
     if (![self checkEventTokenLength:eventToken]) return;
+    if (![self checkTransactionId:transactionId]) return;
 
     AIPackageBuilder *revenueBuilder = [[AIPackageBuilder alloc] init];
     revenueBuilder.amountInCents = amount;
@@ -263,13 +273,6 @@ - (void)revenueInternal:(double)amount
     [self.logger debug:@"Event %d (revenue)", self.activityState.eventCount];
 }
 
-- (void)finishedTrackingWithResponse:(AIResponseData *)response {
-    if ([self.delegate respondsToSelector:@selector(adjustFinishedTrackingWithResponse:)]) {
-        [self.delegate performSelectorOnMainThread:@selector(adjustFinishedTrackingWithResponse:)
-                                        withObject:response waitUntilDone:NO];
-    }
-}
-
 #pragma mark - private
 
 // returns whether or not the activity state should be written
@@ -456,4 +459,21 @@ - (BOOL)checkAmount:(double)amount {
     return YES;
 }
 
+- (BOOL) checkTransactionId:(NSString *)transactionId {
+    if (transactionId.length == 0) {
+        return YES; // no transaction ID given
+    }
+
+    if ([self.activityState findTransactionId:transactionId]) {
+        [self.logger info:@"Skipping duplicate transaction ID '%@'", transactionId];
+        [self.logger verbose:@"Found transaction ID in %@", self.activityState.transactionIds];
+        return NO; // transaction ID found -> used already
+    }
+
+    [self.activityState addTransactionId:transactionId];
+    [self.logger verbose:@"Added transaction ID %@", self.activityState.transactionIds];
+    // activity state will get written by caller
+    return YES;
+}
+
 @end

Adjust/AIActivityKind.m

@@ -22,9 +22,9 @@ AIActivityKind AIActivityKindFromString(NSString *string) {
 
 NSString* AIActivityKindToString(AIActivityKind activityKind) {
     switch (activityKind) {
-        case AIActivityKindSession: return @"session"; break;
-        case AIActivityKindEvent:   return @"event";   break;
-        case AIActivityKindRevenue: return @"revenue"; break;
-        case AIActivityKindUnknown: return @"unknown"; break;
+        case AIActivityKindSession: return @"session";
+        case AIActivityKindEvent:   return @"event";
+        case AIActivityKindRevenue: return @"revenue";
+        case AIActivityKindUnknown: return @"unknown";
     }
 }

Adjust/AIActivityState.h

@@ -25,6 +25,9 @@
 @property (nonatomic, assign) double lastActivity;  // all times in seconds since 1970
 @property (nonatomic, assign) double createdAt;
 
+// last ten transaction identifiers
+@property (nonatomic, retain) NSMutableArray *transactionIds;
+
 // not persisted, only injected
 @property (nonatomic, assign) double lastInterval;
 
@@ -33,4 +36,8 @@
 - (void)injectSessionAttributes:(AIPackageBuilder *)packageBilder;
 - (void)injectEventAttributes:(AIPackageBuilder *)packageBilder;
 
+// transaction ID management
+- (void)addTransactionId:(NSString *)transactionId;
+- (BOOL)findTransactionId:(NSString *)transactionId;
+
 @end

Adjust/AIActivityState.m

@@ -11,6 +11,8 @@
 #import "UIDevice+AIAdditions.h"
 
 
+static const int kTransactionIdCount = 10;
+
 #pragma mark public implementation
 @implementation AIActivityState
 
@@ -29,6 +31,7 @@ - (id)init {
     self.lastActivity    = -1;
     self.createdAt       = -1;
     self.lastInterval    = -1;
+    self.transactionIds  = [NSMutableArray arrayWithCapacity:kTransactionIdCount];
 
     return self;
 }
@@ -52,6 +55,22 @@ - (void)injectEventAttributes:(AIPackageBuilder *)builder {
     builder.eventCount = self.eventCount;
 }
 
+- (void)addTransactionId:(NSString *)transactionId {
+    if (self.transactionIds == nil) { // create array
+        self.transactionIds = [NSMutableArray arrayWithCapacity:kTransactionIdCount];
+    }
+
+    if (self.transactionIds.count == kTransactionIdCount) {
+        [self.transactionIds removeObjectAtIndex:0]; // make space
+    }
+
+    [self.transactionIds addObject:transactionId]; // add new ID
+}
+
+- (BOOL)findTransactionId:(NSString *)transactionId {
+    return [self.transactionIds containsObject:transactionId];
+}
+
 - (NSString *)description {
     return [NSString stringWithFormat:@"ec:%d sc:%d ssc:%d sl:%.1f ts:%.1f la:%.1f",
             self.eventCount, self.sessionCount, self.subsessionCount, self.sessionLength,
@@ -72,26 +91,32 @@ - (id)initWithCoder:(NSCoder *)decoder {
     self.createdAt       = [decoder decodeDoubleForKey:@"createdAt"];
     self.lastActivity    = [decoder decodeDoubleForKey:@"lastActivity"];
     self.uuid            = [decoder decodeObjectForKey:@"uuid"];
+    self.transactionIds  = [decoder decodeObjectForKey:@"transactionIds"];
 
     // create UUID for migrating devices
     if (self.uuid == nil) {
         self.uuid = [UIDevice.currentDevice aiCreateUuid];
     }
 
+    if (self.transactionIds == nil) {
+        self.transactionIds = [NSMutableArray arrayWithCapacity:kTransactionIdCount];
+    }
+
     self.lastInterval = -1;
 
     return self;
 }
 
 - (void)encodeWithCoder:(NSCoder *)encoder {
-    [encoder encodeInt:self.eventCount       forKey:@"eventCount"];
-    [encoder encodeInt:self.sessionCount     forKey:@"sessionCount"];
-    [encoder encodeInt:self.subsessionCount  forKey:@"subsessionCount"];
-    [encoder encodeDouble:self.sessionLength forKey:@"sessionLength"];
-    [encoder encodeDouble:self.timeSpent     forKey:@"timeSpent"];
-    [encoder encodeDouble:self.createdAt     forKey:@"createdAt"];
-    [encoder encodeDouble:self.lastActivity  forKey:@"lastActivity"];
-    [encoder encodeObject:self.uuid          forKey:@"uuid"];
+    [encoder encodeInt:self.eventCount        forKey:@"eventCount"];
+    [encoder encodeInt:self.sessionCount      forKey:@"sessionCount"];
+    [encoder encodeInt:self.subsessionCount   forKey:@"subsessionCount"];
+    [encoder encodeDouble:self.sessionLength  forKey:@"sessionLength"];
+    [encoder encodeDouble:self.timeSpent      forKey:@"timeSpent"];
+    [encoder encodeDouble:self.createdAt      forKey:@"createdAt"];
+    [encoder encodeDouble:self.lastActivity   forKey:@"lastActivity"];
+    [encoder encodeObject:self.uuid           forKey:@"uuid"];
+    [encoder encodeObject:self.transactionIds forKey:@"transactionIds"];
 }
 
 

Adjust/AIAdditions/NSString+AIAdditions.m

@@ -18,13 +18,13 @@ - (NSString *)aiTrim {
 
 - (NSString *)aiQuote {
     if (self == nil) {
-        return self;
+        return nil;
     }
 
-    if ([self rangeOfCharacterFromSet:[NSCharacterSet whitespaceCharacterSet]].location != NSNotFound) {
-        return [NSString stringWithFormat:@"'%@'", self];
+    if ([self rangeOfCharacterFromSet:[NSCharacterSet whitespaceCharacterSet]].location == NSNotFound) {
+        return self;
     }
-    return self;
+    return [NSString stringWithFormat:@"'%@'", self];
 }
 
 - (NSString *)aiMd5 {

Adjust/AIAdjustFactory.m

@@ -26,7 +26,7 @@ @implementation AIAdjustFactory
     if (internalPackageHandler == nil) {
         return [AIPackageHandler handlerWithActivityHandler:activityHandler];
     }
-    
+
     return [internalPackageHandler initWithActivityHandler:activityHandler];
 }
 

Adjust/AIRequestHandler.m

@@ -71,28 +71,25 @@ - (void)sendInternal:(AIActivityPackage *)package {
     if (error != nil) {
         AIResponseData *responseData = [AIResponseData dataWithError:error.localizedDescription];
         responseData.willRetry = YES;
-        [self.packageHandler finishedTrackingActivity:package withResponse:responseData];
         [self.logger error:@"%@. (%@) Will retry later.", package.failureMessage, responseData.error];
+        [self.packageHandler finishedTrackingActivity:package withResponse:responseData];
         [self.packageHandler closeFirstPackage];
         return;
     }
 
     NSString *responseString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    AIResponseData *responseData = [AIResponseData dataWithJsonString:responseString];
 
-    // wrong status code
-    if (response.statusCode != 200) {
-        AIResponseData *responseData = [AIResponseData dataWithJsonString:responseString];
-        [self.packageHandler finishedTrackingActivity:package withResponse:responseData];
+    if (response.statusCode == 200) {
+        // success
+        responseData.success = YES;
+        [self.logger info:@"%@", package.successMessage];
+    } else {
+        // wrong status code
         [self.logger error:@"%@. (%@)", package.failureMessage, responseData.error];
-        [self.packageHandler sendNextPackage];
-        return;
     }
 
-    // success
-    AIResponseData *responseData = [AIResponseData dataWithJsonString:responseString];
-    responseData.success = YES;
     [self.packageHandler finishedTrackingActivity:package withResponse:responseData];
-    [self.logger info:@"%@", package.successMessage];
     [self.packageHandler sendNextPackage];
 }
 

Adjust/AIResponseData.h

@@ -20,7 +20,7 @@
 #pragma mark set by SDK
 
 // the kind of activity (AIActivityKindSession etc.)
-// see the AIActivity definition above
+// see the AIActivityKind definition
 @property (nonatomic, assign) AIActivityKind activityKind;
 
 // true when the activity was tracked successfully
@@ -45,14 +45,15 @@
 // tracker name of current device
 @property (nonatomic, copy) NSString *trackerName;
 
+// returns human readable version of activityKind
+// (session, event, revenue), see above
+- (NSString *)activityKindString;
+
+#pragma mark internals
 + (AIResponseData *)dataWithJsonString:(NSString *)string;
 + (AIResponseData *)dataWithError:(NSString *)error;
 
 - (id)initWithJsonString:(NSString *)string;
 - (id)initWithError:(NSString *)error;
 
-// returns human readable version of activityKind
-// (session, event, revenue), see above
-- (NSString *)activityKindString;
-
 @end

Adjust/AIUtil.m

@@ -14,7 +14,7 @@
 #include <sys/xattr.h>
 
 static NSString * const kBaseUrl   = @"https://app.adjust.io";
-static NSString * const kClientSdk = @"ios3.0.0";
+static NSString * const kClientSdk = @"ios3.1.0";
 
 
 #pragma mark -

Adjust/Adjust.h

@@ -72,14 +72,25 @@ static NSString * const AIEnvironmentProduction = @"production";
  * events have callbacks, you can also pass in parameters that will be
  * forwarded to your end point.
  *
+ * A transaction ID can be used to avoid duplicate revenue events. The last ten transaction identifiers are remembered.
+ * This is useful for in-app purchase tracking where you can pass in the identifier of the reported transaction.
+ *
  * @param amountInCents The amount in cents (example: 1.5 means one and a half cents)
+ * @param transactionIdentifier The identifier used to avoid duplicate revenue events (optional, see above)
  * @param eventToken The token for this revenue event (optional, see above)
  * @param parameters Parameters for this revenue event (optional, see above)
  */
 + (void)trackRevenue:(double)amountInCents;
 + (void)trackRevenue:(double)amountInCents forEvent:(NSString *)eventToken;
 + (void)trackRevenue:(double)amountInCents forEvent:(NSString *)eventToken withParameters:(NSDictionary *)parameters;
 
++ (void)trackRevenue:(double)amountInCents transactionId:(NSString *)transactionId;
++ (void)trackRevenue:(double)amountInCents transactionId:(NSString *)transactionId forEvent:(NSString *)eventToken;
++ (void)trackRevenue:(double)amountInCents
+       transactionId:(NSString *)transactionId
+            forEvent:(NSString *)eventToken
+      withParameters:(NSDictionary *)parameters;
+
 /**
  * Change the verbosity of Adjust's logs.
  *

Adjust/Adjust.m

@@ -42,18 +42,37 @@ + (void)trackEvent:(NSString *)eventToken withParameters:(NSDictionary *)paramet
 }
 
 + (void)trackRevenue:(double)amountInCents {
-    [activityHandler trackRevenue:amountInCents forEvent:nil withParameters:nil];
+    [activityHandler trackRevenue:amountInCents transactionId:nil forEvent:nil withParameters:nil];
 }
 
 + (void)trackRevenue:(double)amountInCents forEvent:(NSString *)eventToken {
-    [activityHandler trackRevenue:amountInCents forEvent:eventToken withParameters:nil];
+    [activityHandler trackRevenue:amountInCents transactionId:nil forEvent:eventToken withParameters:nil];
 }
 
 + (void)trackRevenue:(double)amountInCents
             forEvent:(NSString *)eventToken
       withParameters:(NSDictionary *)parameters
 {
-    [activityHandler trackRevenue:amountInCents forEvent:eventToken withParameters:parameters];
+    [activityHandler trackRevenue:amountInCents transactionId:nil forEvent:eventToken withParameters:parameters];
+}
+
++ (void)trackRevenue:(double)amountInCents transactionId:(NSString *)transactionId {
+    [activityHandler trackRevenue:amountInCents transactionId:transactionId forEvent:nil withParameters:nil];
+}
+
++ (void)trackRevenue:(double)amountInCents transactionId:(NSString *)transactionId forEvent:(NSString *)eventToken {
+    [activityHandler trackRevenue:amountInCents transactionId:transactionId forEvent:eventToken withParameters:nil];
+}
+
++ (void)trackRevenue:(double)amountInCents
+       transactionId:(NSString *)transactionId
+            forEvent:(NSString *)eventToken
+      withParameters:(NSDictionary *)parameters
+{
+    [activityHandler trackRevenue:amountInCents
+                    transactionId:transactionId
+                         forEvent:eventToken
+                   withParameters:parameters];
 }
 
 + (void)setLogLevel:(AILogLevel)logLevel {