This adds a attributes to checkout. These objects are returned as an array of…

This adds a attributes to checkout. These objects are returned as an array of dictionaries, but expected as dictionaries when posting the checkout, so we're required to serialize the objects correctly. API now also returns the `note` on a checkout, so I have added a test for that.

Mobile Buy SDK/Mobile Buy SDK Tests/BUYIntegrationTest.m

@@ -125,6 +125,37 @@
 	XCTAssertEqualObjects(_checkout.billingAddress.address1, @"150 Elgin Street");
 }
 
+- (void)testCheckoutAttributesAndNotes
+{
+	[OHHTTPStubs stubRequestsPassingTest:^BOOL(NSURLRequest * _Nonnull request) {
+		return [self shouldUseMocks];
+	} withStubResponse:^OHHTTPStubsResponse * _Nonnull(NSURLRequest * _Nonnull request) {
+		return [OHHTTPStubsResponse responseWithKey:@"testCheckoutFlowUsingCreditCard_1"];
+	}];
+	
+	_checkout = [[BUYCheckout alloc] initWithCart:_cart];
+
+	NSString *note = @"Order note";
+	_checkout.note = note;
+	NSArray *attributes = @[ [[BUYCheckoutAttribute alloc] initWithDictionary:@{ @"name" : @"attribute1", @"value" : @"value1" }], [[BUYCheckoutAttribute alloc] initWithDictionary:@{ @"name" : @"attribute2", @"value" : @"value2" }] ];
+	_checkout.attributes = attributes;
+	
+	XCTestExpectation *expectation = [self expectationWithDescription:NSStringFromSelector(_cmd)];
+	[self.client createCheckout:_checkout completion:^(BUYCheckout *returnedCheckout, NSError *error) {
+		XCTAssertNil(error);
+		XCTAssertNotNil(returnedCheckout);
+		
+		XCTAssertEqualObjects(returnedCheckout.note, note);
+		XCTAssertEqualObjects(returnedCheckout.attributes, attributes);
+		
+		_checkout = returnedCheckout;
+		[expectation fulfill];
+	}];
+	[self waitForExpectationsWithTimeout:10 handler:^(NSError *error) {
+		XCTAssertNil(error);
+	}];
+}
+
 - (void)fetchShippingRates
 {
 	

Mobile Buy SDK/Mobile Buy SDK Tests/mocked_responses.json

@@ -125,7 +125,7 @@
     "message": "OK"
   },
   "testCheckoutFlowUsingCreditCard_1": {
-    "body": "{\"checkout\":{\"created_at\":\"2015-10-08T13:34:30-04:00\",\"currency\":\"CAD\",\"customer_id\":null,\"email\":\"test@test.com\",\"location_id\":null,\"order_id\":null,\"requires_shipping\":true,\"reservation_time\":300,\"source_name\":\"mobile_app\",\"source_identifier\":\"26915715\",\"source_url\":null,\"taxes_included\":false,\"token\":\"89978073d2d3602c114fbd59becc5f96\",\"updated_at\":\"2015-10-08T13:34:30-04:00\",\"payment_due\":\"2230.99\",\"payment_url\":\"https:\\/\\/us-east-1-deposit.cs.shopify.com\\/sessions\",\"reservation_time_left\":300,\"subtotal_price\":\"2230.99\",\"total_price\":\"2230.99\",\"total_tax\":\"0.00\",\"order\":null,\"order_status_url\":null,\"privacy_policy_url\":null,\"refund_policy_url\":null,\"terms_of_service_url\":null,\"user_id\":null,\"web_url\":\"https:\\/\\/checkout.shopify.com\\/9575792\\/checkouts\\/89978073d2d3602c114fbd59becc5f96\",\"tax_lines\":[],\"line_items\":[{\"id\":\"fbc0aac1cac96369\",\"product_id\":2096063363,\"variant_id\":6030700419,\"sku\":\"\",\"vendor\":\"McCullough Group\",\"title\":\"Actinian Fur Hat\",\"variant_title\":\"Teal\",\"taxable\":false,\"requires_shipping\":true,\"price\":\"2230.99\",\"compare_at_price\":null,\"line_price\":\"2230.99\",\"properties\":{\"size\":\"large\",\"color\":\"red\"},\"quantity\":1,\"grams\":4000,\"fulfillment_service\":\"manual\"}],\"gift_cards\":[],\"shipping_rate\":null,\"shipping_address\":{\"first_name\":\"MobileBuy\",\"last_name\":\"TestBot\",\"phone\":\"1-555-555-5555\",\"company\":\"Shopify Inc.\",\"address1\":\"150 Elgin Street\",\"address2\":\"8th Floor\",\"city\":\"Ottawa\",\"province\":\"Ontario\",\"province_code\":\"ON\",\"country\":\"Canada\",\"country_code\":\"CA\",\"zip\":\"K1N5T5\"},\"credit_card\":null,\"billing_address\":{\"first_name\":\"MobileBuy\",\"last_name\":\"TestBot\",\"phone\":\"1-555-555-5555\",\"company\":\"Shopify Inc.\",\"address1\":\"150 Elgin Street\",\"address2\":\"8th Floor\",\"city\":\"Ottawa\",\"province\":\"Ontario\",\"province_code\":\"ON\",\"country\":\"Canada\",\"country_code\":\"CA\",\"zip\":\"K1N5T5\"},\"discount\":null}}",
+    "body": "{\"checkout\":{\"created_at\":\"2015-10-08T13:34:30-04:00\",\"currency\":\"CAD\",\"customer_id\":null,\"email\":\"test@test.com\",\"location_id\":null,\"order_id\":null,\"requires_shipping\":true,\"reservation_time\":300,\"source_name\":\"mobile_app\",\"source_identifier\":\"26915715\",\"source_url\":null,\"taxes_included\":false,\"token\":\"89978073d2d3602c114fbd59becc5f96\",\"updated_at\":\"2015-10-08T13:34:30-04:00\",\"payment_due\":\"2230.99\",\"payment_url\":\"https:\\/\\/us-east-1-deposit.cs.shopify.com\\/sessions\",\"reservation_time_left\":300,\"subtotal_price\":\"2230.99\",\"total_price\":\"2230.99\",\"total_tax\":\"0.00\",\"order\":null,\"order_status_url\":null,\"privacy_policy_url\":null,\"refund_policy_url\":null,\"terms_of_service_url\":null,\"user_id\":null,\"web_url\":\"https:\\/\\/checkout.shopify.com\\/9575792\\/checkouts\\/89978073d2d3602c114fbd59becc5f96\",\"tax_lines\":[],\"line_items\":[{\"id\":\"fbc0aac1cac96369\",\"product_id\":2096063363,\"variant_id\":6030700419,\"sku\":\"\",\"vendor\":\"McCullough Group\",\"title\":\"Actinian Fur Hat\",\"variant_title\":\"Teal\",\"taxable\":false,\"requires_shipping\":true,\"price\":\"2230.99\",\"compare_at_price\":null,\"line_price\":\"2230.99\",\"properties\":{\"size\":\"large\",\"color\":\"red\"},\"quantity\":1,\"grams\":4000,\"fulfillment_service\":\"manual\"}],\"gift_cards\":[],\"shipping_rate\":null,\"shipping_address\":{\"first_name\":\"MobileBuy\",\"last_name\":\"TestBot\",\"phone\":\"1-555-555-5555\",\"company\":\"Shopify Inc.\",\"address1\":\"150 Elgin Street\",\"address2\":\"8th Floor\",\"city\":\"Ottawa\",\"province\":\"Ontario\",\"province_code\":\"ON\",\"country\":\"Canada\",\"country_code\":\"CA\",\"zip\":\"K1N5T5\"},\"credit_card\":null,\"billing_address\":{\"first_name\":\"MobileBuy\",\"last_name\":\"TestBot\",\"phone\":\"1-555-555-5555\",\"company\":\"Shopify Inc.\",\"address1\":\"150 Elgin Street\",\"address2\":\"8th Floor\",\"city\":\"Ottawa\",\"province\":\"Ontario\",\"province_code\":\"ON\",\"country\":\"Canada\",\"country_code\":\"CA\",\"zip\":\"K1N5T5\"},\"discount\":null,\"note\":\"Order note\",\"attributes\":{\"attribute1\":\"value1\",\"attribute2\":\"value2\"}}}",
     "code": 201,
     "message": "Created"
   },

Mobile Buy SDK/Mobile Buy SDK.xcodeproj/project.pbxproj

@@ -178,6 +178,10 @@
 		901931691BC5B9BC00D1134E /* BUYProduct.h in Headers */ = {isa = PBXBuildFile; fileRef = 2AF52A7C1A700B0A0087DB2C /* BUYProduct.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		9019316A1BC5B9BC00D1134E /* BUYSerializable.h in Headers */ = {isa = PBXBuildFile; fileRef = F76CFF1E19CB7C500079C703 /* BUYSerializable.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		9019316B1BC5B9BC00D1134E /* BUYProductVariant.h in Headers */ = {isa = PBXBuildFile; fileRef = 2AF52A811A700B0A0087DB2C /* BUYProductVariant.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		9032F2DA1BE9457A00BB9EEF /* BUYCheckoutAttribute.h in Headers */ = {isa = PBXBuildFile; fileRef = 9032F2D81BE9457A00BB9EEF /* BUYCheckoutAttribute.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		9032F2DB1BE9457A00BB9EEF /* BUYCheckoutAttribute.h in Headers */ = {isa = PBXBuildFile; fileRef = 9032F2D81BE9457A00BB9EEF /* BUYCheckoutAttribute.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		9032F2DC1BE9457A00BB9EEF /* BUYCheckoutAttribute.m in Sources */ = {isa = PBXBuildFile; fileRef = 9032F2D91BE9457A00BB9EEF /* BUYCheckoutAttribute.m */; };
+		9032F2DD1BE9457A00BB9EEF /* BUYCheckoutAttribute.m in Sources */ = {isa = PBXBuildFile; fileRef = 9032F2D91BE9457A00BB9EEF /* BUYCheckoutAttribute.m */; };
 		903BCC7C1B7D1C2D00C21FEB /* BUYProductViewErrorView.h in Headers */ = {isa = PBXBuildFile; fileRef = 903BCC7A1B7D1C2D00C21FEB /* BUYProductViewErrorView.h */; };
 		903BCC7D1B7D1C2D00C21FEB /* BUYProductViewErrorView.m in Sources */ = {isa = PBXBuildFile; fileRef = 903BCC7B1B7D1C2D00C21FEB /* BUYProductViewErrorView.m */; };
 		904606AF1B6BC8D700754173 /* BUYProductImageCollectionViewCell.h in Headers */ = {isa = PBXBuildFile; fileRef = 904606AD1B6BC8D700754173 /* BUYProductImageCollectionViewCell.h */; };
@@ -328,11 +332,11 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
-		90DAEC341BC6E50B007555A5 /* PBXContainerItemProxy */ = {
+		9032F2D61BE93F3D00BB9EEF /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = F773741519C770CB0039681C /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = BE9A64271B503C2F0033E558;
+			remoteGlobalIDString = 901930E11BC5B9BC00D1134E;
 			remoteInfo = Buy;
 		};
 		90E78A4C1BD58F0C005D16C3 /* PBXContainerItemProxy */ = {
@@ -378,6 +382,8 @@
 		901335451C187E0400410ED0 /* NSURLComponents+BUYAdditions.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSURLComponents+BUYAdditions.m"; sourceTree = "<group>"; };
 		901931701BC5B9BC00D1134E /* Buy.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Buy.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		901931761BC5BC9100D1134E /* libc++.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = "libc++.tbd"; path = "usr/lib/libc++.tbd"; sourceTree = SDKROOT; };
+		9032F2D81BE9457A00BB9EEF /* BUYCheckoutAttribute.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BUYCheckoutAttribute.h; sourceTree = "<group>"; };
+		9032F2D91BE9457A00BB9EEF /* BUYCheckoutAttribute.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BUYCheckoutAttribute.m; sourceTree = "<group>"; };
 		903BCC7A1B7D1C2D00C21FEB /* BUYProductViewErrorView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; name = BUYProductViewErrorView.h; path = "Product View/BUYProductViewErrorView.h"; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
 		903BCC7B1B7D1C2D00C21FEB /* BUYProductViewErrorView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = BUYProductViewErrorView.m; path = "Product View/BUYProductViewErrorView.m"; sourceTree = "<group>"; };
 		904606AD1B6BC8D700754173 /* BUYProductImageCollectionViewCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; name = BUYProductImageCollectionViewCell.h; path = "Product View/BUYProductImageCollectionViewCell.h"; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
@@ -761,6 +767,8 @@
 				BEB74A1B1B5490140005A300 /* BUYCheckout_Private.h */,
 				F773749419C77C260039681C /* BUYCheckout.h */,
 				F773749519C77C260039681C /* BUYCheckout.m */,
+				9032F2D81BE9457A00BB9EEF /* BUYCheckoutAttribute.h */,
+				9032F2D91BE9457A00BB9EEF /* BUYCheckoutAttribute.m */,
 				BEB74A8E1B55A3D00005A300 /* BUYCollection.h */,
 				9089CC5D1BB48D06009726D6 /* BUYCollection.m */,
 				900396F41B69563400226B73 /* BUYCollection+Additions.h */,
@@ -941,6 +949,7 @@
 				9019315B1BC5B9BC00D1134E /* BUYImageKit.h in Headers */,
 				9019315C1BC5B9BC00D1134E /* BUYCollection+Additions.h in Headers */,
 				9019315D1BC5B9BC00D1134E /* NSDateFormatter+BUYAdditions.h in Headers */,
+				9032F2DB1BE9457A00BB9EEF /* BUYCheckoutAttribute.h in Headers */,
 				9019315E1BC5B9BC00D1134E /* BUYError.h in Headers */,
 				9019315F1BC5B9BC00D1134E /* BUYProductHeaderCell.h in Headers */,
 				901931601BC5B9BC00D1134E /* BUYProductViewErrorView.h in Headers */,
@@ -1017,6 +1026,7 @@
 				900E7C841B5DA553006F3C81 /* BUYImageKit.h in Headers */,
 				900396F61B69563400226B73 /* BUYCollection+Additions.h in Headers */,
 				90A446251B5EC03F009602AA /* NSDateFormatter+BUYAdditions.h in Headers */,
+				9032F2DA1BE9457A00BB9EEF /* BUYCheckoutAttribute.h in Headers */,
 				BE47340F1B66C4EF00AA721A /* BUYError.h in Headers */,
 				BEB74A6D1B5564200005A300 /* BUYProductHeaderCell.h in Headers */,
 				903BCC7C1B7D1C2D00C21FEB /* BUYProductViewErrorView.h in Headers */,
@@ -1065,7 +1075,7 @@
 			buildRules = (
 			);
 			dependencies = (
-				90DAEC351BC6E50B007555A5 /* PBXTargetDependency */,
+				9032F2D71BE93F3D00BB9EEF /* PBXTargetDependency */,
 			);
 			name = "Mobile Buy SDK Tests";
 			productName = "Mobile Buy SDK Tests";
@@ -1244,6 +1254,7 @@
 				9019310E1BC5B9BC00D1134E /* BUYProduct.m in Sources */,
 				9019310F1BC5B9BC00D1134E /* BUYImageView.m in Sources */,
 				901931101BC5B9BC00D1134E /* BUYProductHeaderCell.m in Sources */,
+				9032F2DD1BE9457A00BB9EEF /* BUYCheckoutAttribute.m in Sources */,
 				901931111BC5B9BC00D1134E /* BUYCartLineItem.m in Sources */,
 				901931121BC5B9BC00D1134E /* BUYMaskedCreditCard.m in Sources */,
 				901931131BC5B9BC00D1134E /* BUYCheckout.m in Sources */,
@@ -1339,6 +1350,7 @@
 				BE9A64621B503CF40033E558 /* BUYProduct.m in Sources */,
 				BEB74A781B55646F0005A300 /* BUYImageView.m in Sources */,
 				BEB74A6E1B5564230005A300 /* BUYProductHeaderCell.m in Sources */,
+				9032F2DC1BE9457A00BB9EEF /* BUYCheckoutAttribute.m in Sources */,
 				9003969C1B601DF400226B73 /* BUYCartLineItem.m in Sources */,
 				BE5DC3641B71022D00B2BC1E /* BUYMaskedCreditCard.m in Sources */,
 				BE9A644C1B503C9F0033E558 /* BUYCheckout.m in Sources */,
@@ -1365,10 +1377,10 @@
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
-		90DAEC351BC6E50B007555A5 /* PBXTargetDependency */ = {
+		9032F2D71BE93F3D00BB9EEF /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
-			target = BE9A64271B503C2F0033E558 /* Buy Static */;
-			targetProxy = 90DAEC341BC6E50B007555A5 /* PBXContainerItemProxy */;
+			target = 901930E11BC5B9BC00D1134E /* Buy */;
+			targetProxy = 9032F2D61BE93F3D00BB9EEF /* PBXContainerItemProxy */;
 		};
 		90E78A4D1BD58F0C005D16C3 /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;

Mobile Buy SDK/Mobile Buy SDK/Buy.h

@@ -35,6 +35,7 @@ FOUNDATION_EXPORT const unsigned char BuyVersionString[];
 #import <Buy/BUYAddress.h>
 #import <Buy/BUYCart.h>
 #import <Buy/BUYCheckout.h>
+#import <Buy/BUYCheckoutAttribute.h>
 #import <Buy/BUYCreditCard.h>
 #import <Buy/BUYDiscount.h>
 #import <Buy/BUYGiftCard.h>

Mobile Buy SDK/Mobile Buy SDK/Models/BUYCheckout.h

@@ -37,6 +37,7 @@
 @class BUYTaxLine;
 @class BUYLineItem;
 @class BUYGiftCard;
+@class BUYCheckoutAttribute;
 
 /**
  *  The checkout object. This is the main object that you will interact with when creating orders on Shopify.
@@ -244,6 +245,11 @@
 @property (nonatomic, copy) NSString *note;
 
 /**
+ *  Extra information that is added to the order
+ */
+@property (nonatomic, copy) NSArray <BUYCheckoutAttribute *> *attributes;
+
+/**
  *  The BUYOrder for a completed checkout
  */
 @property (nonatomic, strong, readonly) BUYOrder *order;

Mobile Buy SDK/Mobile Buy SDK/Models/BUYCheckout.m

@@ -42,6 +42,7 @@
 #import "NSDateFormatter+BUYAdditions.h"
 #import "NSURL+BUYAdditions.h"
 #import "NSDictionary+Additions.h"
+#import "BUYCheckoutAttribute.h"
 
 @implementation BUYCheckout
 
@@ -146,6 +147,7 @@
 	self.creditCard = [BUYMaskedCreditCard convertObject:dictionary[@"credit_card"]];
 	self.customerId = [dictionary buy_objectForKey:@"customer_id"];
 	self.note = dictionary[@"note"];
+	self.attributes = [BUYCheckoutAttribute convertJSONArray:dictionary[@"attributes"]];
 	
 	self.privacyPolicyURL = [NSURL buy_urlWithString:dictionary[@"privacy_policy_url"]];
 	self.refundPolicyURL = [NSURL buy_urlWithString:dictionary[@"refund_policy_url"]];
@@ -181,13 +183,22 @@
 
 - (NSDictionary *)jsonDictionaryForCheckout
 {
-	//We only need the dirty properties
+	// We only need the dirty properties
 	NSSet *dirtyProperties = [self dirtyProperties];
 	NSMutableDictionary *json = [[NSMutableDictionary alloc] init];
 	for (NSString *dirtyProperty in dirtyProperties) {
 		id value = [self jsonValueForValue:[self valueForKey:dirtyProperty]];
 		json[[BUYCheckout jsonKeyForProperty:dirtyProperty]] = value ?: [NSNull null];
 	}
+	
+	// We need to serialize the attributes as they need to be posted as a dictionary
+	if (json[@"attributes"]) {
+		NSMutableDictionary *attributeDictionary = [[NSMutableDictionary alloc] init];
+		for (NSDictionary *attribute in json[@"attributes"]) {
+			attributeDictionary[[attribute allKeys][0]] = [attribute allValues][0];
+		}
+		json[@"attributes"] = attributeDictionary;
+	}
 	return @{ @"checkout" : json };
 }
 

Mobile Buy SDK/Mobile Buy SDK/Models/BUYCheckoutAttribute.h

+//
+//  BUYCheckoutAttribute.h
+//  Mobile Buy SDK
+//
+//  Created by Shopify.
+//  Copyright (c) 2015 Shopify Inc. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+#import "BUYObject.h"
+#import "BUYSerializable.h"
+
+/**
+ *  A BUYCheckoutAttribute represents a checkout attributes key and value
+ */
+@interface BUYCheckoutAttribute : BUYObject <BUYSerializable>
+
+/**
+ *  The attribute name
+ */
+@property (nonatomic, strong, nonnull) NSString *name;
+
+/**
+ *  The attribute value
+ */
+@property (nonatomic, strong, nonnull) NSString *value;
+
+@end

Mobile Buy SDK/Mobile Buy SDK/Models/BUYCheckoutAttribute.m

+//
+//  BUYCheckoutAttribute.m
+//  Mobile Buy SDK
+//
+//  Created by Shopify.
+//  Copyright (c) 2015 Shopify Inc. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+#import "BUYCheckoutAttribute.h"
+
+@implementation BUYCheckoutAttribute
+
+- (void)updateWithDictionary:(NSDictionary *)dictionary
+{
+	self.name = dictionary[@"name"];
+	self.value = dictionary[@"value"];
+}
+
+- (NSDictionary *)jsonDictionaryForCheckout
+{
+	return @{ self.name : self.value };
+}
+
+- (BOOL)isEqual:(id)object
+{
+	BOOL same = NO;
+	if (self == object) {
+		same = YES;
+	} else if ([object isKindOfClass:self.class]) {
+		BUYCheckoutAttribute *attribute = (BUYCheckoutAttribute *)object;
+		same = ([self.name isEqualToString:attribute.name] && [self.value isEqualToString:attribute.value]);
+	}
+	return same;
+}
+
+- (NSUInteger)hash
+{
+	return [self.name hash] ^ [self.value hash];
+}
+
+@end

Mobile Buy SDK/Mobile Buy SDK/Static Framework/Buy.h

@@ -34,6 +34,7 @@
 #import "BUYCart.h"
 #import "BUYCartLineItem.h"
 #import "BUYCheckout.h"
+#import "BUYCheckoutAttribute.h"
 #import "BUYClient+Test.h"
 #import "BUYClient.h"
 #import "BUYCollection.h"