#1352 - Adding visit event with data attributes

include/mbgl/ios/MGLMapboxEvents.h

@@ -4,6 +4,7 @@ extern NSString *const MGLEventTypeMapLoad;
 extern NSString *const MGLEventTypeMapTap;
 extern NSString *const MGLEventTypeMapDragEnd;
 extern NSString *const MGLEventTypeLocation;
+extern NSString *const MGLEventTypeVisit;
 
 extern NSString *const MGLEventKeyLatitude;
 extern NSString *const MGLEventKeyLongitude;
@@ -16,6 +17,8 @@ extern NSString *const MGLEventKeyVerticalAccuracy;
 extern NSString *const MGLEventKeyPushEnabled;
 extern NSString *const MGLEventKeyEmailEnabled;
 extern NSString *const MGLEventKeyGestureID;
+extern NSString *const MGLEventKeyArrivalDate;
+extern NSString *const MGLEventKeyDepartureDate;
 
 extern NSString *const MGLEventGestureSingleTap;
 extern NSString *const MGLEventGestureDoubleTap;

platform/ios/MGLMapboxEvents.m

@@ -17,6 +17,7 @@ NSString *const MGLEventTypeMapLoad = @"map.load";
 NSString *const MGLEventTypeMapTap = @"map.click";
 NSString *const MGLEventTypeMapDragEnd = @"map.dragend";
 NSString *const MGLEventTypeLocation = @"location";
+NSString *const MGLEventTypeVisit = @"visit";
 
 NSString *const MGLEventKeyLatitude = @"lat";
 NSString *const MGLEventKeyLongitude = @"lng";
@@ -29,6 +30,8 @@ NSString *const MGLEventKeyVerticalAccuracy = @"verticalAccuracy";
 NSString *const MGLEventKeyPushEnabled = @"enabled.push";
 NSString *const MGLEventKeyEmailEnabled = @"enabled.email";
 NSString *const MGLEventKeyGestureID = @"gesture";
+NSString *const MGLEventKeyArrivalDate = @"arrivalDate";
+NSString *const MGLEventKeyDepartureDate = @"departureDate";
 
 NSString *const MGLEventGestureSingleTap = @"SingleTap";
 NSString *const MGLEventGestureDoubleTap = @"DoubleTap";

platform/ios/MGLMetricsLocationManager.m

@@ -6,6 +6,7 @@
 @interface MGLMetricsLocationManager() <CLLocationManagerDelegate>
 
 @property (nonatomic) CLLocationManager *locationManager;
+@property (atomic) NSDateFormatter *rfc3339DateFormatter;
 
 @end
 
@@ -16,6 +17,15 @@
         _locationManager = [[CLLocationManager alloc] init];
         _locationManager.distanceFilter = 10;
         [_locationManager setDelegate:self];
+
+        _rfc3339DateFormatter = [[NSDateFormatter alloc] init];
+        NSLocale *enUSPOSIXLocale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"];
+
+        [_rfc3339DateFormatter setLocale:enUSPOSIXLocale];
+        [_rfc3339DateFormatter setDateFormat:@"yyyy'-'MM'-'dd'T'HH':'mm':'ssZ"];
+        // Clear Any System TimeZone Cache
+        [NSTimeZone resetSystemTimeZone];
+        [_rfc3339DateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
     }
     return self;
 }
@@ -65,6 +75,16 @@
     }
 }
 
+- (void)locationManager:(CLLocationManager *)manager didVisit:(CLVisit *)visit {
+    [MGLMapboxEvents pushEvent:MGLEventTypeVisit withAttributes:@{
+        MGLEventKeyLatitude: @(visit.coordinate.latitude),
+        MGLEventKeyLongitude: @(visit.coordinate.longitude),
+        MGLEventKeyHorizontalAccuracy: @(visit.horizontalAccuracy),
+        MGLEventKeyArrivalDate: [_rfc3339DateFormatter stringFromDate:visit.arrivalDate],
+        MGLEventKeyDepartureDate: [_rfc3339DateFormatter stringFromDate:visit.departureDate],
+    }];
+}
+
 - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status {
     NSString *newStatus = nil;
     switch (status) {