[fix] PROCESSING should not be stopped whe throwing a Conflict Error

Author: ibrahimlawal

Example/Paystack iOS Example/Images.xcassets/caps.imageset/article-0-1BE8490500000578-267_964x647-1.png

@@ -333,6 +333,14 @@ - (void) makeChargeRequest:(NSData *)data
                              atStage:stage];
              return;
          }
+         if([[responseObject message].lowercaseString isEqual:@"access code has expired"] && [[responseObject status] isEqual:@"0"]){
+             NSDictionary *userInfo = @{
+                                        NSLocalizedDescriptionKey: PSTCKExpiredAccessCodeErrorMessage,
+                                        PSTCKErrorMessageKey: PSTCKExpiredAccessCodeErrorMessage
+                                        };
+             [self didEndWithError:[[NSError alloc] initWithDomain:PaystackDomain code:PSTCKExpiredAccessCodeError userInfo:userInfo]];
+             return;
+         }
          [self handleResponse:responseObject];
      }];
 }
@@ -502,7 +510,9 @@ - (void)didEndWithProcessingError{
                                NSLocalizedDescriptionKey: PSTCKCardErrorProcessingTransactionMessage,
                                PSTCKErrorMessageKey: PSTCKCardErrorProcessingTransactionMessage
                                };
-    [self didEndWithError:[[NSError alloc] initWithDomain:PaystackDomain code:PSTCKConflictError userInfo:userInfo]];
+    [self.operationQueue addOperationWithBlock:^{
+        self.errorCompletion([[NSError alloc] initWithDomain:PaystackDomain code:PSTCKConflictError userInfo:userInfo], self.serverTransaction.reference);
+    }];
 }
 
 @end

Example/Paystack iOS Example/Images.xcassets/caps.imageset/article-0-1BE8490500000578-267_964x647.png

@@ -18,6 +18,7 @@ typedef NS_ENUM(NSInteger, PSTCKErrorCode) {
     PSTCKCardErrorProcessingError = 80, // Paystack Checkout encountered an error.
     PSTCKTransactionError = 90,         // Something was wrong with the given transaction details.
     PSTCKConflictError = 100,           // A transaction was started while SDK was processing another
+    PSTCKExpiredAccessCodeError = 110,  // The access code is not usable
 };
 
 #pragma mark userInfo keys
@@ -50,6 +51,7 @@ FOUNDATION_EXPORT NSString * __nonnull const PSTCKIncorrectCVC;
 
 #pragma mark Strings
 
+#define PSTCKExpiredAccessCodeErrorMessage NSLocalizedString(@"There was a problem completing your request", @"Error when access code has no valid transaction")
 #define PSTCKCardErrorInvalidNumberUserMessage NSLocalizedString(@"Your card's number is invalid", @"Error when the card number is not valid")
 #define PSTCKCardErrorProcessingTransactionMessage NSLocalizedString(@"Please wait", @"Error when chargeCard is called while the SDK is still processing a transaction")
 #define PSTCKCardErrorInvalidCVCUserMessage NSLocalizedString(@"Your card's security code is invalid", @"Error when the card's CVC is not valid")