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Parse.framework/Versions/1.2.13/Headers/PFPurchase.h

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+//
+//  PFPurchase.h
+//  Parse
+//
+//  Created by Qian Wang on 5/2/12.
+//  Copyright (c) 2012 Parse Inc. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <StoreKit/StoreKit.h>
+#import "PFConstants.h"
+
+/*!
+ PFPurchase provides a set of APIs for working with in-app purchases.
+
+ This class is currently for iOS only.
+ */
+@interface PFPurchase : NSObject
+
+/*!
+ Use this method to add application logic block which is run when buying a product.
+ This method should be called once for each product, and should be called before
+ calling buyProduct:block. All invocations to addObserverForProduct:block: should happen within
+ the same method, and on the main thread. It is recommended to place all invocations of this method
+ in application:didFinishLaunchingWithOptions:.
+ @param productIdentifier the product identifier
+ @param completion the completion block
+ */
++ (void)addObserverForProduct:(NSString *)productIdentifier block:(void(^)(SKPaymentTransaction *transaction))block;
+
+/*!
+ Asynchronously initiates the purchase for the product.
+ @param productIdentifier the product identifier
+ @param block the completion block.
+ */
++ (void)buyProduct:(NSString *)productIdentifier block:(void(^)(NSError *error))block;
+
+/*!
+ Asynchronously download the purchased asset, which is stored on Parse's server.
+ Parse verifies the receipt with Apple and delivers the content only if the receipt is valid.
+ @param transaction the transaction, which contains the receipt.
+ @param completion the completion block.
+ */
++ (void)downloadAssetForTransaction:(SKPaymentTransaction *)transaction completion:(void(^)(NSString *filePath, NSError *error))completion;
+
+/*!
+ Asynchronously download the purchased asset, which is stored on Parse's server.
+ Parse verifies the receipt with Apple and delivers the content only if the receipt is valid.
+ @param transaction the transaction, which contains the receipt. 
+ @param completion the completion block.
+ @param progress the progress block, which is called multiple times to reveal progress of the download.
+ */
++ (void)downloadAssetForTransaction:(SKPaymentTransaction *)transaction completion:(void(^)(NSString *filePath, NSError *error))completion progress:(PFProgressBlock)progress;
+
+/*!
+ Asynchronously restore completed transactions for the current user.
+ Note: This method is only important to developers who want to preserve purchase states across 
+ different installations of the same app.
+ Only nonconsumable purchases are restored. If observers for the products have been added before
+ calling this method, invoking the method reruns the application logic associated with the purchase. 
+ */
++ (void)restore;
+@end