Adds common classes

ios/RCEntitlement+HybridAdditions.h

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+//
+//  Created by RevenueCat.
+//  Copyright © 2019 RevenueCat. All rights reserved.
+//
+
+#import <Purchases/Purchases.h>
+
+@interface RCEntitlement (HybridAdditions)
+
+- (NSDictionary *)dictionary;
+
+@end

ios/RCEntitlement+HybridAdditions.m

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+//
+//  Created by RevenueCat.
+//  Copyright © 2019 RevenueCat. All rights reserved.
+//
+
+#import "RCEntitlement+HybridAdditions.h"
+#import "SKProduct+Purchases.h"
+
+@implementation RCEntitlement (HybridAdditions)
+
+- (NSDictionary *)dictionary
+{
+    NSMutableDictionary *jsonDict = [NSMutableDictionary new];
+    for (NSString *key in self.offerings) {
+        RCOffering *offering = self.offerings[key];
+        jsonDict[key] = offering.activeProduct.dictionary;
+    }
+    return [NSDictionary dictionaryWithDictionary:jsonDict];
+}
+
+@end

ios/RCPurchaserInfo+HybridAdditions.h

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+//
+//  Created by RevenueCat.
+//  Copyright © 2019 RevenueCat. All rights reserved.
+//
+
+#import <Purchases/Purchases.h>
+
+@interface RCPurchaserInfo (HybridAdditions)
+
+- (NSDictionary *)dictionary;
+
+@end

ios/RCPurchaserInfo+HybridAdditions.m

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+//
+//  Created by RevenueCat.
+//  Copyright © 2019 RevenueCat. All rights reserved.
+//
+
+#import "RCPurchaserInfo+HybridAdditions.h"
+
+static NSDateFormatter *formatter;
+static dispatch_once_t onceToken;
+
+static NSString * stringFromDate(NSDate *date)
+{
+    dispatch_once(&onceToken, ^{
+        // Here we're not using NSISO8601DateFormatter as we need to support iOS < 10
+        NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+        dateFormatter.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
+        dateFormatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss'Z'";
+        dateFormatter.locale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
+        formatter = dateFormatter;
+    });
+
+    return [formatter stringFromDate:date];
+}
+
+@implementation RCPurchaserInfo (HybridAdditions)
+
+- (NSDictionary *)dictionary
+{
+    NSMutableDictionary *allExpirations = [NSMutableDictionary new];
+    for (NSString *productIdentifier in self.allPurchasedProductIdentifiers) {
+        NSDate *date = [self expirationDateForProductIdentifier:productIdentifier];
+        allExpirations[productIdentifier] = stringFromDate(date) ?: [NSNull null];
+    }
+
+    NSMutableDictionary *expirationsForActiveEntitlements = [NSMutableDictionary new];
+    for (NSString *entId in self.activeEntitlements) {
+        NSDate *date = [self expirationDateForEntitlement:entId];
+        expirationsForActiveEntitlements[entId] = stringFromDate(date) ?: [NSNull null];;
+    }
+
+    NSMutableDictionary *purchaseDatesForActiveEntitlements = [NSMutableDictionary new];
+    for (NSString *entId in self.activeEntitlements) {
+        NSDate *date = [self purchaseDateForEntitlement:entId];
+        purchaseDatesForActiveEntitlements[entId] = stringFromDate(date) ?: [NSNull null];;
+    }
+
+    id latestExpiration = stringFromDate(self.latestExpirationDate) ?: [NSNull null];
+
+    return @{
+             @"activeEntitlements": self.activeEntitlements.allObjects,
+             @"activeSubscriptions": self.activeSubscriptions.allObjects,
+             @"allPurchasedProductIdentifiers": self.allPurchasedProductIdentifiers.allObjects,
+             @"latestExpirationDate": latestExpiration,
+             @"allExpirationDates": allExpirations,
+             @"expirationsForActiveEntitlements": expirationsForActiveEntitlements,
+             @"purchaseDatesForActiveEntitlements": purchaseDatesForActiveEntitlements
+             };
+}
+
+@end

ios/SKProduct+HybridAdditions.h

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+//
+//  Created by RevenueCat.
+//  Copyright © 2019 RevenueCat. All rights reserved.
+//
+
+#import <StoreKit/StoreKit.h>
+
+@interface SKProduct (HybridAdditions)
+
+- (NSDictionary *)dictionary;
+
+@end

ios/SKProduct+HybridAdditions.m

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+//
+//  Created by RevenueCat.
+//  Copyright © 2019 RevenueCat. All rights reserved.
+//
+
+#import "SKProduct+HybridAdditions.h"
+
+@implementation SKProduct (RCPurchases)
+
+- (nullable NSString *)rc_currencyCode {
+    if(@available(iOS 10.0, *)) {
+        return self.priceLocale.currencyCode;
+    } else {
+        return [self.priceLocale objectForKey:NSLocaleCurrencyCode];
+    }
+}
+
+- (NSDictionary *)dictionary
+{
+    NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
+    formatter.numberStyle = NSNumberFormatterCurrencyStyle;
+    formatter.locale = self.priceLocale;
+    NSMutableDictionary *d = [NSMutableDictionary dictionaryWithDictionary:@{
+                        @"identifier": self.productIdentifier ?: @"",
+                        @"description": self.localizedDescription ?: @"",
+                        @"title": self.localizedTitle ?: @"",
+                        @"price": @(self.price.floatValue),
+                        @"price_string": [formatter stringFromNumber:self.price],
+                        @"currency_code": (self.rc_currencyCode) ? self.rc_currencyCode : [NSNull null]
+                        }];
+
+
+    if (@available(iOS 11.2, *)) {
+        if (self.introductoryPrice) {
+            d[@"intro_price"] = @(self.introductoryPrice.price.floatValue) ?: @"";
+            if (self.introductoryPrice.price) {
+                d[@"intro_price_string"] = [formatter stringFromNumber:self.introductoryPrice.price];
+            } else {
+                d[@"intro_price_string"] = @"";
+            }
+            d[@"intro_price_period"] = [self normalizeSubscriptionPeriod:self.introductoryPrice.subscriptionPeriod] ?: @"";
+            d[@"intro_price_period_unit"] = [self normalizeSubscriptionPeriodUnit:self.introductoryPrice.subscriptionPeriod.unit] ?: @"";
+            d[@"intro_price_period_number_of_units"] = @(self.introductoryPrice.subscriptionPeriod.numberOfUnits) ?: @"";
+            d[@"intro_price_cycles"] = @(self.introductoryPrice.numberOfPeriods) ?: @"";
+            return d;
+        }
+    }
+    d[@"intro_price"] = @"";
+    d[@"intro_price_string"] = @"";
+    d[@"intro_price_period"] = @"";
+    d[@"intro_price_cycles"] = @"";
+
+    return d;
+}
+
+- (NSString *)normalizeSubscriptionPeriod:(SKProductSubscriptionPeriod *)subscriptionPeriod API_AVAILABLE(ios(11.2)){
+    NSString *unit;
+    switch (subscriptionPeriod.unit) {
+        case SKProductPeriodUnitDay:
+            unit = @"D";
+        case SKProductPeriodUnitWeek:
+            unit = @"W";
+        case SKProductPeriodUnitMonth:
+            unit = @"M";
+        case SKProductPeriodUnitYear:
+            unit = @"Y";
+    }
+    return [NSString stringWithFormat:@"%@%@%@", @"P", @(subscriptionPeriod.numberOfUnits), unit];
+}
+
+- (NSString *)normalizeSubscriptionPeriodUnit:(SKProductPeriodUnit)subscriptionPeriodUnit API_AVAILABLE(ios(11.2)){
+    switch (subscriptionPeriodUnit) {
+        case SKProductPeriodUnitDay:
+            return @"DAY";
+        case SKProductPeriodUnitWeek:
+            return @"WEEK";
+        case SKProductPeriodUnitMonth:
+            return @"MONTH";
+        case SKProductPeriodUnitYear:
+            return @"YEAR";
+    }
+}
+
+@end