LDInAppService.h

#import <UIKit/UIKit.h>

@interface LDInAppProduct: NSObject

@property (nonatomic, strong) NSString * productId;

@property (nonatomic, strong) NSString * localizedTitle;

@property (nonatomic, strong) NSString * localizedDescription;

@property (nonatomic, assign) CGFloat price;

@property (nonatomic, strong) NSString * localizedPrice;

@property (nonatomic, strong) NSString * currency;

-(NSDictionary *) toDictionary;
+(instancetype) fromDictionary:(NSDictionary *) dic;

@end

@interface LDInAppPurchase : NSObject

@property (nonatomic, strong) NSString * transactionId;

@property (nonatomic, strong) NSString * productId;

@property (nonatomic, strong) NSDate * purchaseDate;

@property (nonatomic, assign) NSInteger quantity;

-(NSDictionary *) toDictionary;

@end

@class LDInAppService;

@protocol LDInAppPurchaseObserver
@optional

-(void) inAppService:(LDInAppService *) service didStartPurchase:(NSString *) productId;

-(void) inAppService:(LDInAppService *) service didFailPurchase:(NSString *) productId withError:(NSError *) error;

-(void) inAppService:(LDInAppService *) service didCompletePurchase:(LDInAppPurchase *) purchase;

@end

@interface LDInAppService: NSObject

@property (nonatomic, readonly) NSMutableArray * products;

@property (nonatomic, assign) BOOL autoFinishPurchases;


typedef void(^LDFetchProductsCallback)(NSArray * products, NSError * error);
typedef void(^LDValidationCompletion)(NSError * error);
typedef void(^LDValidationHandler)(NSData * validationReceipt, NSString * productId, LDValidationCompletion completion);

-(instancetype) init;

-(void) addPurchaseObserver:(id<LDInAppPurchaseObserver>) observer;

-(void) removePurchaseObserver:(id<LDInAppPurchaseObserver>) observer;

-(void) start;

-(void) fetchProducts: (NSArray *) productIds completion:(LDFetchProductsCallback) completion;

-(LDInAppProduct*) productForId:(NSString *) identifier;

-(BOOL) isPurchased:(NSString *) productId;

-(NSInteger) stockOfProduct:(NSString *) productId;

-(void) restorePurchases:(void(^)(NSError * error)) completion;

-(BOOL) canPurchase;

-(void) purchase:(NSString *) productId completion:(void(^)(NSError * error)) completion;

-(void) purchase:(NSString *) productId quantity:(NSInteger) quantity completion:(void(^)(NSError * error)) completion;

-(NSInteger) consume:(NSString *) productId quantity:(NSInteger) quantity;

-(void) finishPurchase:(NSString *) transactionId;

-(void) setValidationHandler:(LDValidationHandler) handler;

-(void) setLudeiServerValidationHandler;

@end