- add badge management

Pod/Classes/PNClasses/PNInstallation.h

@@ -36,6 +36,11 @@ typedef NS_ENUM(NSInteger, PNInstallationType) {
  */
 - (PNInstallationType) setDeviceTokenFromData:(nullable NSData *)deviceTokenData;
 
+/**
+ *  <#Description#>
+ */
+- (void) resetBadge;
+
 ///--------------------------------------
 #pragma mark - PNInstallation Properties
 ///--------------------------------------
@@ -75,6 +80,6 @@ typedef NS_ENUM(NSInteger, PNInstallationType) {
 /**
  *  <#Description#>
  */
-@property (nonatomic, strong) NSDate *lastUpdate;
+@property (nonatomic, strong, readonly, nullable) NSDate *lastUpdate;
 
 @end

Pod/Classes/PNClasses/PNInstallation.m

@@ -101,6 +101,18 @@ static bool isFirstAccess = YES;
     return response;
 }
 
+- (void) setBadge:(NSInteger)badge {
+    [[UIApplication sharedApplication] setApplicationIconBadgeNumber:badge];
+}
+
+- (NSInteger) badge {
+    return [[UIApplication sharedApplication] applicationIconBadgeNumber];
+}
+
+- (void) resetBadge {
+    [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
+}
+
 #pragma mark -
 
 #pragma mark Private Methods