Merge branch 'develop' into 'master'

- Fix check currentUser



See merge request !18

PNObject.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
 s.name             = "PNObject"
-s.version          = "0.3.1"
+s.version          = "0.3.2"
 s.summary          = "PNObject is a simple replica of the more complex ParseObject"
 
 # This description is used to generate tags and improve search results.

Pod/Classes/PNClasses/PNUser.h

@@ -29,6 +29,8 @@
  */
 - (void) logout;
 
+- (BOOL) isValidUser;
+
 //- (void) setPassword:(NSString * _Nonnull)password inBackGroundWithBlock:(nullable void (^)(BOOL saveStatus, id responseObject, NSError * error)) responseBlock;
 
 ///--------------------------------------

Pod/Classes/PNClasses/PNUser.m

@@ -102,6 +102,14 @@ static bool isFirstAccess = YES;
     [self resetObject];
 }
 
+- (BOOL) isValidUser {
+    if(self.username && self.password && [self isValidPassword:[self password]]){
+        return YES;
+    }
+    
+    return NO;
+}
+
 #pragma mark PNObjectSubclassing Protocol 
 
 + (NSDictionary *)objcetMapping {

Pod/Classes/PNObjectConfig.m

@@ -224,7 +224,7 @@ static bool isFirstAccess = YES;
 }
 
 - (void) tryRefreshToken {
-    if ([PNUser currentUser]) {
+    if ([PNUser currentUser] && [[PNUser currentUser] isValidUser]) {
         [_manager authenticateUsingOAuthWithURLString:[_currentEndPointBaseUrl stringByAppendingString:@"oauth-token"] username:[[PNUser currentUser] username] password:[[PNUser currentUser] password] scope:nil success:^(AFOAuthCredential * _Nonnull credential) {
             _currentOauthCredential = credential;
             [_manager.requestSerializer setAuthorizationHeaderFieldWithCredential:_currentOauthCredential];

Pod/Classes/Vendors/AFOAuth2Manager/AFOAuth2Manager.h

@@ -21,11 +21,10 @@
     // THE SOFTWARE
 
 #import <Foundation/Foundation.h>
+#import <AFNetworking/AFNetworking.h>
 #import "AFOAuthCredential.h"
 #import "AFHTTPRequestSerializer+OAuth2.h"
 
-@import AFNetworking;
-
 NS_ASSUME_NONNULL_BEGIN
 
 @interface AFOAuth2Manager : AFHTTPSessionManager