Add BUYManagedObject and BUYModelManager classes.

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

@@ -127,6 +127,14 @@
 		84D915441CC0359700D334FB /* BUYObserver.h in Headers */ = {isa = PBXBuildFile; fileRef = 84D915411CC0359700D334FB /* BUYObserver.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		84D915451CC0359700D334FB /* BUYObserver.m in Sources */ = {isa = PBXBuildFile; fileRef = 84D915421CC0359700D334FB /* BUYObserver.m */; };
 		84D915461CC0359700D334FB /* BUYObserver.m in Sources */ = {isa = PBXBuildFile; fileRef = 84D915421CC0359700D334FB /* BUYObserver.m */; };
+		84D9154B1CC03F1600D334FB /* BUYManagedObject.h in Headers */ = {isa = PBXBuildFile; fileRef = 84D915471CC03F1600D334FB /* BUYManagedObject.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84D9154C1CC03F1600D334FB /* BUYManagedObject.h in Headers */ = {isa = PBXBuildFile; fileRef = 84D915471CC03F1600D334FB /* BUYManagedObject.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84D9154D1CC03F1600D334FB /* BUYManagedObject.m in Sources */ = {isa = PBXBuildFile; fileRef = 84D915481CC03F1600D334FB /* BUYManagedObject.m */; };
+		84D9154E1CC03F1600D334FB /* BUYManagedObject.m in Sources */ = {isa = PBXBuildFile; fileRef = 84D915481CC03F1600D334FB /* BUYManagedObject.m */; };
+		84D9154F1CC03F1600D334FB /* BUYModelManager.h in Headers */ = {isa = PBXBuildFile; fileRef = 84D915491CC03F1600D334FB /* BUYModelManager.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84D915501CC03F1600D334FB /* BUYModelManager.h in Headers */ = {isa = PBXBuildFile; fileRef = 84D915491CC03F1600D334FB /* BUYModelManager.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84D915511CC03F1600D334FB /* BUYModelManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 84D9154A1CC03F1600D334FB /* BUYModelManager.m */; };
+		84D915521CC03F1600D334FB /* BUYModelManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 84D9154A1CC03F1600D334FB /* BUYModelManager.m */; };
 		9003969B1B601DF400226B73 /* BUYCartLineItem.h in Headers */ = {isa = PBXBuildFile; fileRef = 900396991B601DF400226B73 /* BUYCartLineItem.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		9003969C1B601DF400226B73 /* BUYCartLineItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 9003969A1B601DF400226B73 /* BUYCartLineItem.m */; };
 		900396AC1B627CB900226B73 /* BUYProductView.h in Headers */ = {isa = PBXBuildFile; fileRef = 900396AA1B627CB900226B73 /* BUYProductView.h */; };
@@ -477,6 +485,10 @@
 		849810911CB7E07900CFAB58 /* BUYFlatCollectionTransformer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BUYFlatCollectionTransformer.m; sourceTree = "<group>"; };
 		84D915411CC0359700D334FB /* BUYObserver.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BUYObserver.h; sourceTree = "<group>"; };
 		84D915421CC0359700D334FB /* BUYObserver.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BUYObserver.m; sourceTree = "<group>"; };
+		84D915471CC03F1600D334FB /* BUYManagedObject.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BUYManagedObject.h; sourceTree = "<group>"; };
+		84D915481CC03F1600D334FB /* BUYManagedObject.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BUYManagedObject.m; sourceTree = "<group>"; };
+		84D915491CC03F1600D334FB /* BUYModelManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BUYModelManager.h; sourceTree = "<group>"; };
+		84D9154A1CC03F1600D334FB /* BUYModelManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BUYModelManager.m; sourceTree = "<group>"; };
 		900396991B601DF400226B73 /* BUYCartLineItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BUYCartLineItem.h; sourceTree = "<group>"; };
 		9003969A1B601DF400226B73 /* BUYCartLineItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BUYCartLineItem.m; sourceTree = "<group>"; };
 		900396AA1B627CB900226B73 /* BUYProductView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; name = BUYProductView.h; path = "Product View/BUYProductView.h"; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
@@ -980,6 +992,10 @@
 				F77374AB19C796BD0039681C /* BUYCreditCard.m */,
 				BE47340D1B66C4EF00AA721A /* BUYError.h */,
 				BE47340E1B66C4EF00AA721A /* BUYError.m */,
+				84D915471CC03F1600D334FB /* BUYManagedObject.h */,
+				84D915481CC03F1600D334FB /* BUYManagedObject.m */,
+				84D915491CC03F1600D334FB /* BUYModelManager.h */,
+				84D9154A1CC03F1600D334FB /* BUYModelManager.m */,
 				2AF52A931A7010B20087DB2C /* BUYObject.h */,
 				2AF52A941A7010B20087DB2C /* BUYObject.m */,
 				84D915411CC0359700D334FB /* BUYObserver.h */,
@@ -1116,6 +1132,7 @@
 				901931501BC5B9BC00D1134E /* BUYOrder.h in Headers */,
 				901931531BC5B9BC00D1134E /* BUYOptionSelectionNavigationController.h in Headers */,
 				901931541BC5B9BC00D1134E /* BUYPresentationControllerWithNavigationController.h in Headers */,
+				84D9154C1CC03F1600D334FB /* BUYManagedObject.h in Headers */,
 				901931551BC5B9BC00D1134E /* BUYPresentationControllerForVariantSelection.h in Headers */,
 				901931571BC5B9BC00D1134E /* BUYObject.h in Headers */,
 				901931581BC5B9BC00D1134E /* BUYRuntime.h in Headers */,
@@ -1125,6 +1142,7 @@
 				84980F5F1CB7617E00CFAB58 /* BUYDateTransformer.h in Headers */,
 				84980F591CB7617500CFAB58 /* BUYURLTransformer.h in Headers */,
 				9019315B1BC5B9BC00D1134E /* BUYImageKit.h in Headers */,
+				84D915501CC03F1600D334FB /* BUYModelManager.h in Headers */,
 				9019315C1BC5B9BC00D1134E /* BUYCollection+Additions.h in Headers */,
 				9032F2DB1BE9457A00BB9EEF /* BUYCheckoutAttribute.h in Headers */,
 				9019315E1BC5B9BC00D1134E /* BUYError.h in Headers */,
@@ -1206,6 +1224,7 @@
 				90E83BC41B9F550E00C95A1B /* BUYOrder.h in Headers */,
 				BEB74A281B554BFB0005A300 /* BUYOptionSelectionNavigationController.h in Headers */,
 				BEB74A691B5564160005A300 /* BUYPresentationControllerWithNavigationController.h in Headers */,
+				84D9154B1CC03F1600D334FB /* BUYManagedObject.h in Headers */,
 				BEB74A221B554BF20005A300 /* BUYPresentationControllerForVariantSelection.h in Headers */,
 				BE9A645D1B503CE30033E558 /* BUYObject.h in Headers */,
 				BE9A646E1B503D1E0033E558 /* BUYRuntime.h in Headers */,
@@ -1215,6 +1234,7 @@
 				84980F5E1CB7617E00CFAB58 /* BUYDateTransformer.h in Headers */,
 				84980F581CB7617500CFAB58 /* BUYURLTransformer.h in Headers */,
 				900E7C841B5DA553006F3C81 /* BUYImageKit.h in Headers */,
+				84D9154F1CC03F1600D334FB /* BUYModelManager.h in Headers */,
 				900396F61B69563400226B73 /* BUYCollection+Additions.h in Headers */,
 				9032F2DA1BE9457A00BB9EEF /* BUYCheckoutAttribute.h in Headers */,
 				BE47340F1B66C4EF00AA721A /* BUYError.h in Headers */,
@@ -1407,6 +1427,7 @@
 				84980F611CB7617E00CFAB58 /* BUYDateTransformer.m in Sources */,
 				901930E81BC5B9BC00D1134E /* BUYImageLink.m in Sources */,
 				901930E91BC5B9BC00D1134E /* BUYProductVariant.m in Sources */,
+				84D9154E1CC03F1600D334FB /* BUYManagedObject.m in Sources */,
 				901930EA1BC5B9BC00D1134E /* BUYProductViewController.m in Sources */,
 				841ADE021CB6C942000004B0 /* NSArray+BUYAdditions.m in Sources */,
 				901930EC1BC5B9BC00D1134E /* BUYError.m in Sources */,
@@ -1443,6 +1464,7 @@
 				901931081BC5B9BC00D1134E /* BUYRuntime.m in Sources */,
 				901931091BC5B9BC00D1134E /* BUYCart.m in Sources */,
 				9019310A1BC5B9BC00D1134E /* BUYPaymentButton.m in Sources */,
+				84D915521CC03F1600D334FB /* BUYModelManager.m in Sources */,
 				841ADE121CB6C942000004B0 /* NSDictionary+BUYAdditions.m in Sources */,
 				9019310B1BC5B9BC00D1134E /* BUYProduct+Options.m in Sources */,
 				9019310C1BC5B9BC00D1134E /* BUYGiftCard.m in Sources */,
@@ -1523,6 +1545,7 @@
 				84980F601CB7617E00CFAB58 /* BUYDateTransformer.m in Sources */,
 				BE9A645A1B503CD90033E558 /* BUYImageLink.m in Sources */,
 				BE9A64641B503CFB0033E558 /* BUYProductVariant.m in Sources */,
+				84D9154D1CC03F1600D334FB /* BUYManagedObject.m in Sources */,
 				BEB74A2E1B554E8B0005A300 /* BUYProductViewController.m in Sources */,
 				841ADE011CB6C942000004B0 /* NSArray+BUYAdditions.m in Sources */,
 				BE4734101B66C4EF00AA721A /* BUYError.m in Sources */,
@@ -1559,6 +1582,7 @@
 				BE9A646F1B503D210033E558 /* BUYRuntime.m in Sources */,
 				BE9A644A1B503C980033E558 /* BUYCart.m in Sources */,
 				BE9A64831B503DB10033E558 /* BUYPaymentButton.m in Sources */,
+				84D915511CC03F1600D334FB /* BUYModelManager.m in Sources */,
 				841ADE111CB6C942000004B0 /* NSDictionary+BUYAdditions.m in Sources */,
 				BE9A646B1B503D140033E558 /* BUYProduct+Options.m in Sources */,
 				BE9A64581B503CD10033E558 /* BUYGiftCard.m in Sources */,

Mobile Buy SDK/Mobile Buy SDK/Buy.h

@@ -57,6 +57,8 @@ FOUNDATION_EXPORT const unsigned char BuyVersionString[];
 #import <Buy/BUYApplePayHelpers.h>
 #import <Buy/BUYClient.h>
 #import <Buy/BUYError.h>
+#import <Buy/BUYManagedObject.h>
+#import <Buy/BUYModelManager.h>
 #import <Buy/BUYModelManagerProtocol.h>
 #import <Buy/BUYObjectProtocol.h>
 #import <Buy/BUYObserver.h>

Mobile Buy SDK/Mobile Buy SDK/Models/BUYManagedObject.h

+//
+//  BUYManagedObject.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 <CoreData/CoreData.h>
+
+#import <Buy/BUYObject.h>
+
+#if defined CORE_DATA_PERSISTENCE
+
+#define BUYCachedObject BUYManagedObject
+
+/**
+ *  This is the base class for all Shopify persistent model objects.
+ *  This class takes care of convertion .json responses into
+ *  the associated subclass.
+ *
+ *  You will generally not need to interact with this class directly.
+ */
+
+@interface BUYManagedObject : NSManagedObject<BUYObject>
+
+- (nonnull instancetype)init NS_UNAVAILABLE;
+
+@end
+
+#else
+
+#define BUYCachedObject BUYObject
+
+/**
+ * Key-value coding API defined in NSManagedObject which is used by mogenerator generated accessors.
+ * When persistence is not implemented, will/didAccess do nothing; primitive KVC maps to normal KVC.
+ */
+@interface BUYObject (BUYManagedObjectConformance)
+
+- (void)willAccessValueForKey:(nonnull NSString *)key;
+- (void)didAccessValueForKey:(nonnull NSString *)key;
+
+- (nullable id)primitiveValueForKey:(nonnull NSString *)key;
+- (void)setPrimitiveValue:(nullable id)value forKey:(nonnull NSString *)key;
+
+@end
+#endif

Mobile Buy SDK/Mobile Buy SDK/Models/BUYManagedObject.m

+//
+//  BUYManagedObject.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 "BUYManagedObject.h"
+
+#import "NSDictionary+BUYAdditions.h"
+#import "NSException+BUYAdditions.h"
+
+#import "NSEntityDescription+BUYAdditions.h"
+#import "NSPropertyDescription+BUYAdditions.h"
+
+#import <CoreData/CoreData.h>
+
+#if defined CORE_DATA_PERSISTENCE
+
+@interface NSManagedObjectContext (BUYPersistence)
+@property (nonatomic, strong) BUYModelManager *modelManager;
+@end
+
+@implementation BUYManagedObject
+
+- (NSDictionary *)JSONEncodedProperties
+{
+return self.entity.JSONEncodedProperties;
+}
+
++ (BOOL)isPersistentClass
+{
+	return YES;
+}
+
++ (BOOL)tracksDirtyProperties
+{
+	return NO;
+}
+
++ (NSPredicate *)fetchPredicateWithJSON:(NSDictionary *)JSONDictionary
+{
+	return JSONDictionary[@"id"] ? [NSPredicate predicateWithFormat:@"identifier = %@", JSONDictionary[@"id"]] : nil;
+}
+
++ (NSString *)entityName
+{
+	@throw BUYAbstractMethod();
+}
+
+- (BUYModelManager *)modelManager
+{
+	return self.managedObjectContext.modelManager;
+}
+
+- (NSDictionary *)JSONDictionary
+{
+	// JSON generation starts in `-buy_JSONForObject`.
+	// Both persistent and transient objects go through this interface.
+	return [self.entity buy_JSONForObject:self];
+}
+
+- (void)setJSONDictionary:(NSDictionary *)JSONDictionary
+{
+	// JSON parsing starts in `-buy_updateObject:withJSON:`.
+	// Both persistent and transient objects go through this interface.
+	[self.entity buy_updateObject:self withJSON:JSONDictionary];
+}
+
+- (NSDictionary *)jsonDictionaryForCheckout
+{
+	return self.JSONDictionary;
+}
+
+@end
+
+#else
+
+@implementation BUYObject (BUYManagedObjectConformance)
+
+- (void)willAccessValueForKey:(NSString *)key {}
+
+- (void)didAccessValueForKey:(NSString *)key {}
+
+- (id)primitiveValueForKey:(NSString *)key
+{
+	return [self valueForKey:key];
+}
+
+- (void)setPrimitiveValue:(id)value forKey:(NSString *)key
+{
+	[self setValue:value forKey:key];
+}
+
+@end
+#endif

Mobile Buy SDK/Mobile Buy SDK/Models/BUYModelManager.h

+//
+//  BUYModelManager.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 <Foundation/Foundation.h>
+
+#import <Buy/BUYObject.h>
+#import <Buy/BUYModelManagerProtocol.h>
+
+/**
+ * A basic implementation of the BUYModelManager interface that does no caching. New objects are created using alloc/init.
+ * Provides empty implementations of all the caching methods.
+ */
+@interface BUYModelManager : NSObject<BUYModelManager>
+
+/**
+ * The managed object model describes all the model entities. See the Core Data documentation for more details.
+ */
+@property (nonatomic, strong, readonly) NSManagedObjectModel *model;
+
+- (instancetype)init NS_UNAVAILABLE;
+
+/**
+ *
+ *  @param model The Core Data managed object model for your given model. Should be the Buy model.
+ *
+ *  @return A new model manager object.
+ */
+- (instancetype)initWithModel:(NSManagedObjectModel *)model NS_DESIGNATED_INITIALIZER;
+
+/**
+ * Convenience initializer. Instantiates a model using the -mergedModelFromBundles: method and the Buy.framework as the bundle.
+ */
++ (instancetype)modelManager;
+
+@end

Mobile Buy SDK/Mobile Buy SDK/Models/BUYModelManager.m

+//
+//  BUYModelManager.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 "BUYModelManager.h"
+
+#import "BUYDateTransformer.h"
+#import "BUYDeliveryRangeTransformer.h"
+#import "BUYFlatCollectionTransformer.h"
+
+#import "NSArray+BUYAdditions.h"
+#import "NSEntityDescription+BUYAdditions.h"
+#import "NSPropertyDescription+BUYAdditions.h"
+
+// Custom value transformer names
+NSString * const BUYPublicationsDateTransformerName = @"BUYPublicationsDate";
+
+// Structured value transformer names
+NSString * const BUYDeliveryRangeTransformerName = @"BUYDeliveryRange";
+NSString * const BUYFlatArrayTransformerName = @"BUYFlatArray";
+NSString * const BUYProductTagsTransformerName = @"BUYProductTags";
+
+NSString * const BUYPublicationsDateFormat = @"yyyy-MM-dd'T'HH:mm:ssZ";
+
+@interface BUYModelManager ()
+@property (nonatomic, strong) NSManagedObjectModel *model;
+@end
+
+@implementation BUYModelManager
+
++ (void)initialize
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		// specialty type transformers
+		[NSValueTransformer setValueTransformer:[BUYDateTransformer dateTransformerWithFormat:BUYPublicationsDateFormat] forName:BUYPublicationsDateTransformerName];
+		
+		// specialty collection transformers
+		[NSValueTransformer setValueTransformer:[[BUYDeliveryRangeTransformer alloc] init] forName:BUYDeliveryRangeTransformerName];
+		[NSValueTransformer setValueTransformer:[BUYFlatCollectionTransformer arrayTransformer] forName:BUYFlatArrayTransformerName];
+		[NSValueTransformer setValueTransformer:[BUYFlatCollectionTransformer setTransformerWithSeparator:@", "] forName:BUYProductTagsTransformerName];
+	});
+}
+
+- (instancetype)initWithModel:(NSManagedObjectModel *)model
+{
+	self = [super init];
+	if (self) {
+		self.model = model;
+	}
+	return self;
+}
+
++ (instancetype)modelManager
+{
+	return [[self alloc] initWithModel:[NSManagedObjectModel mergedModelFromBundles:@[[NSBundle bundleForClass:[BUYObject class]]]]];
+}
+
+- (NSEntityDescription *)buy_entityWithName:(NSString *)entityName
+{
+	return [self.model entitiesByName][entityName];
+}
+
+- (id<BUYObject>)buy_objectWithEntityName:(NSString *)entityName JSONDictionary:(NSDictionary *)JSON
+{
+	NSEntityDescription *entity = [self buy_entityWithName:entityName];
+	Class cls = entity.managedObjectClass;
+	return [[cls alloc] initWithModelManager:self JSONDictionary:JSON];
+}
+
+- (NSArray<id<BUYObject>> *)buy_objectsWithEntityName:(NSString *)entityName JSONArray:(NSArray *)JSON
+{
+	NSEntityDescription *entity = [self.model entitiesByName][entityName];
+	Class cls = entity.managedObjectClass;
+	return [JSON buy_map:^id(NSDictionary *JSONDictionary) {
+		return [[cls alloc] initWithModelManager:self JSONDictionary:JSONDictionary];
+	}];
+}
+
+- (id<BUYObject>)buy_objectWithEntityName:(NSString *)entityName identifier:(NSNumber *)identifier
+{
+	return nil;
+}
+
+- (NSArray<id<BUYObject>> *)buy_objectsWithEntityName:(NSString *)entityName identifiers:(NSArray *)identifiers
+{
+	return @[];
+}
+
+- (BOOL)buy_purgeObject:(id<BUYObject>)object error:(NSError *__autoreleasing *)error
+{
+	return YES;
+}
+
+- (void)buy_refreshCacheForObject:(id<BUYObject>)object
+{
+}
+
+- (BOOL)buy_purgeObjectsWithEntityName:(NSString *)entityName matchingPredicate:(NSPredicate *)predicate
+{
+	return YES;
+}
+
+@end

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

@@ -53,6 +53,8 @@
 #import "BUYApplePayHelpers.h"
 #import "BUYClient.h"
 #import "BUYError.h"
+#import "BUYManagedObject.h"
+#import "BUYModelManager.h"
 #import "BUYModelManagerProtocol.h"
 #import "BUYObjectProtocol.h"
 #import "BUYObserver.h"