Add new consent category for device metrics data

Author: angelix

CountlyConfig.h

@@ -62,6 +62,7 @@ extern CLYDeviceIDType const CLYDeviceIDTypeNSUUID;
 
 //NOTE: Available consents
 typedef NSString* CLYConsent NS_EXTENSIBLE_STRING_ENUM;
+extern CLYConsent const CLYConsentMetrics;
 extern CLYConsent const CLYConsentSessions;
 extern CLYConsent const CLYConsentEvents;
 extern CLYConsent const CLYConsentUserDetails;

CountlyConsentManager.h

@@ -10,6 +10,7 @@
 
 @property (nonatomic) BOOL requiresConsent;
 
+@property (nonatomic, readonly) BOOL consentForMetrics;
 @property (nonatomic, readonly) BOOL consentForSessions;
 @property (nonatomic, readonly) BOOL consentForEvents;
 @property (nonatomic, readonly) BOOL consentForUserDetails;

CountlyConsentManager.m

@@ -6,6 +6,7 @@
 
 #import "CountlyCommon.h"
 
+CLYConsent const CLYConsentMetrics              = @"metrics";
 CLYConsent const CLYConsentSessions             = @"sessions";
 CLYConsent const CLYConsentEvents               = @"events";
 CLYConsent const CLYConsentUserDetails          = @"users";
@@ -21,6 +22,7 @@
 
 @implementation CountlyConsentManager
 
+@synthesize consentForMetrics = _consentForMetrics;
 @synthesize consentForSessions = _consentForSessions;
 @synthesize consentForEvents = _consentForEvents;
 @synthesize consentForUserDetails = _consentForUserDetails;
@@ -83,6 +85,9 @@ - (void)giveConsentForFeatures:(NSArray *)features
     if ([features containsObject:CLYConsentUserDetails] && !self.consentForUserDetails)
         self.consentForUserDetails = YES;
 
+    if ([features containsObject:CLYConsentMetrics] && !self.consentForMetrics)
+        self.consentForMetrics = YES;
+    
     if ([features containsObject:CLYConsentSessions] && !self.consentForSessions)
         self.consentForSessions = YES;
 
@@ -137,6 +142,9 @@ - (void)cancelConsentForFeatures:(NSArray *)features shouldSkipSendingConsentsRe
     if (!self.requiresConsent)
         return;
 
+    if ([features containsObject:CLYConsentMetrics] && self.consentForMetrics)
+        self.consentForMetrics = NO;
+    
     if ([features containsObject:CLYConsentSessions] && self.consentForSessions)
         self.consentForSessions = NO;
 
@@ -179,6 +187,7 @@ - (void)sendConsents
 {
     NSDictionary * consents =
     @{
+        CLYConsentMetrics: @(self.consentForMetrics),
         CLYConsentSessions: @(self.consentForSessions),
         CLYConsentEvents: @(self.consentForEvents),
         CLYConsentUserDetails: @(self.consentForUserDetails),
@@ -199,6 +208,7 @@ - (NSArray *)allFeatures
 {
     return
     @[
+        CLYConsentMetrics,
         CLYConsentSessions,
         CLYConsentEvents,
         CLYConsentUserDetails,
@@ -216,6 +226,19 @@ - (NSArray *)allFeatures
 
 #pragma mark -
 
+- (void)setConsentForMetrics:(BOOL)consentForMetrics
+{
+    _consentForMetrics = consentForMetrics;
+
+    if (consentForMetrics)
+    {
+        CLY_LOG_D(@"Consent for Metrics is given.");
+    }
+    else
+    {
+        CLY_LOG_D(@"Consent for Metrics is cancelled.");
+    }
+}
 
 - (void)setConsentForSessions:(BOOL)consentForSessions
 {
@@ -425,6 +448,14 @@ - (void)setConsentForRemoteConfig:(BOOL)consentForRemoteConfig
 
 #pragma mark -
 
+- (BOOL)consentForMetrics
+{
+    if (!self.requiresConsent)
+      return YES;
+
+    return _consentForMetrics;
+}
+
 - (BOOL)consentForSessions
 {
     if (!self.requiresConsent)

CountlyRemoteConfig.m

@@ -188,7 +188,7 @@ - (NSURLRequest *)remoteConfigRequestForKeys:(NSArray *)keys omitKeys:(NSArray *
         queryString = [queryString stringByAppendingFormat:@"&%@=%@", kCountlyRCKeyOmitKeys, [omitKeys cly_JSONify]];
     }
 
-    if (CountlyConsentManager.sharedInstance.consentForSessions)
+    if (CountlyConsentManager.sharedInstance.consentForSessions || CountlyConsentManager.sharedInstance.consentForMetrics)
     {
         queryString = [queryString stringByAppendingFormat:@"&%@=%@", kCountlyQSKeyMetrics, [CountlyDeviceInfo metrics]];
     }