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OTHERStoreManagerTransactionEngine.m
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OTHERStoreManagerTransactionEngine.m
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//
// OTHERStoreManagerTransactionEngine.m
//
// Created by Edwin Bosire on 05/12/2012.
// Copyright (c) 2012 The OTHER Media. All rights reserved.
//
#import "OTHERStoreManagerTransactionEngine.h"
#import "OTHERStoreManager.h"
#import "OTHERStoreManagerValidationEngine.h"
@interface OTHERStoreManagerTransactionEngine () {
SKPayment *payment;
}
@end
@implementation OTHERStoreManagerTransactionEngine
#pragma mark - Purchase
- (void)makePurchase {
payment = [SKPayment paymentWithProduct:self.product];
[[SKPaymentQueue defaultQueue] addPayment:payment];
}
#pragma -mark
#pragma -mark transactionVerification callback
- (void)finishTransaction :(SKPaymentTransaction *)transaction wasSuccessful:(BOOL)successful{
[[SKPaymentQueue defaultQueue] finishTransaction:transaction];
if (successful) {
if ([self.delegate respondsToSelector:@selector(transactionEngine:didFinishTransaction:)]) [self.delegate transactionEngine:self didFinishTransaction:transaction];
if (transaction.transactionState == SKPaymentTransactionStateRestored) {
if (self.restoreBlock) {
self.restoreBlock(NO, transaction.error, transaction);
}
}else {
if (self.purchaseBlock) {
self.purchaseBlock(transaction, NO);
}
}
}else{ //if not successful
if (self.purchaseBlock) {
self.purchaseBlock(nil, YES);
}
if (self.restoreBlock) {
self.restoreBlock(NO, transaction.error, transaction);
}
}
self.purchaseBlock = nil;
}
#pragma -mark
#pragma -mark SKPaymentTransactionObserver Protocol Methods
-(void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions {
[transactions enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
SKPaymentTransaction *transaction = (SKPaymentTransaction *)obj;
switch (transaction.transactionState) {
case SKPaymentTransactionStatePurchased:
case SKPaymentTransactionStateRestored:{
if (self.shouldVerify) {
[self verifyTransaction:transaction];
}else{
[self finishTransaction:transaction wasSuccessful:YES];
}
break;
}
case SKPaymentTransactionStateFailed:
[self finishTransaction:transaction wasSuccessful:NO];
break;
case SKPaymentTransactionStatePurchasing:
default:
break;
}
}];
}
#pragma -mark
#pragma -mark Transaction Restore Methods
- (void)restoreCompletedTransaction {
[[SKPaymentQueue defaultQueue] restoreCompletedTransactions];
}
- (void)paymentQueue:(SKPaymentQueue *)queue restoreCompletedTransactionsFailedWithError:(NSError *)error {
if ([self.delegate respondsToSelector:@selector(transactionEngineDidFinishRestoring:)]) [self.delegate transactionEngineDidFinishRestoring:self];
if (self.restoreBlock) {
self.restoreBlock(YES, error, nil);
}
self.restoreBlock = nil;
}
- (void)paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue *)queue {
if ([self.delegate respondsToSelector:@selector(transactionEngineDidFinishRestoring:)]) [self.delegate transactionEngineDidFinishRestoring:self];
if (self.restoreBlock) {
self.restoreBlock(YES, nil, nil);
}
self.restoreBlock = nil;
}
#pragma -mark
#pragma -mark Reveipt Verification
- (void)verifyTransaction: (SKPaymentTransaction *)transaction {
[[OTHERStoreManagerValidationEngine sharedEngine] verifyPurchaseWithTransaction:transaction
onCompletion:^(BOOL isValid) {
[self finishTransaction:transaction wasSuccessful:isValid];
}];
}
#pragma -mark
#pragma -mark Memory Management
-(void)dealloc {
[[SKPaymentQueue defaultQueue] removeTransactionObserver:self];
payment = nil;
self.purchaseBlock = nil;
self.restoreBlock = nil;
}
@end