- Refactoring classes

- Add Installation Class
- Add AccessToken Class (not yet complete)
- Remove PNObjectProperty
- Move PNObjectProperty methods to "PNObject+Protected.h"

Pod/Classes/PNClasses/PNInstallation.m

@@ -0,0 +1,111 @@
+//
+//  PNInstallation.m
+//  Pods
+//
+//  Created by Giuseppe Nucifora on 27/01/16.
+//
+//
+
+#import "PNInstallation.h"
+
+@interface PNInstallation() <PNObjectSubclassing>
+
+/**
+ *  <#Description#>
+ */
+@property (nonatomic, strong, nullable) NSData *deviceTokenData;
+
+@end
+
+@implementation PNInstallation
+
+static PNInstallation *SINGLETON = nil;
+
+static bool isFirstAccess = YES;
+
+#pragma mark PNObjectSubclassing Protocol
+
++ (NSDictionary *)objcetMapping {
+	
+	NSDictionary *mapping = @{
+							  @"deviceType":@"deviceType",
+							  @"deviceModel":@"deviceModel",
+							  @"deviceName":@"deviceName",
+							  @"osVersion":@"osVersion",
+							  @"deviceToken":@"deviceToken",
+							  @"badge":@"badge",
+							  @"localeIdentifier":@"localeIdentifier",
+							  };
+	return mapping;
+}
+
++ (NSString *)objectClassName {
+	return  @"AccessToken";
+}
+
++ (BOOL) singleInstance {
+	return YES;
+}
+
+#pragma mark -
+
+#pragma mark Public Methods
+
+
++ (instancetype) currentInstallation {
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		isFirstAccess = NO;
+		
+		SINGLETON = [[super allocWithZone:NULL] init];
+	});
+	
+	return SINGLETON;
+}
+
+- (void)setDeviceTokenFromData:(NSData *)deviceTokenData {
+	
+	_deviceTokenData = deviceTokenData;
+	
+	NSString *ptoken = [[[[deviceTokenData description]
+						  stringByReplacingOccurrencesOfString:@"<"withString:@""]
+						 stringByReplacingOccurrencesOfString:@">" withString:@""]
+						stringByReplacingOccurrencesOfString: @" " withString: @""];
+	
+	_deviceToken = ptoken;
+}
+
+#pragma mark -
+
+#pragma mark Private Methods
+
+- (id) init
+{
+	if(SINGLETON){
+		return SINGLETON;
+	}
+	if (isFirstAccess) {
+		[self doesNotRecognizeSelector:_cmd];
+	}
+	
+	NSDictionary *savedInstallation = [[PNObjectModel sharedInstance] fetchObjectsWithClass:[self class]];
+	
+	if (savedInstallation) {
+		self = [super initWithJSON:savedInstallation];
+	}
+	else {
+		self = [super init];
+	}
+	
+	if (self) {
+		
+		_deviceModel = [[UIDevice currentDevice] model];
+		_osVersion = [[UIDevice currentDevice] systemVersion];;
+		_deviceName = [[UIDevice currentDevice] name];;
+	}
+	return self;
+}
+
+#pragma mark -
+
+@end