RestKit Serializations

ECOrder.m

// ECOrder.m

static RKObjectMapping *objectMapping = nil;
static RKObjectMapping *serializationMapping = nil;

+ (RKObjectMapping*)objectMapping {
    if (objectMapping == nil) {
        objectMapping = [RKObjectMapping mappingForClass:self];
        [objectMapping mapKeyPath:@"id" toAttribute:@"orderID"];
        [objectMapping mapKeyPath:@"user_id" toAttribute:@"userID"];
        [objectMapping mapKeyPath:@"payment_profile_id" toAttribute:@"paymentProfileID"];
        [objectMapping mapKeyPath:@"state" toAttribute:@"state"];
        [objectMapping mapKeyPath:@"items" toRelationship:@"items" withMapping:[ECOrderItem objectMapping]];
    }
    return objectMapping;
}

+ (RKObjectMapping*)serializationMapping {
    if (serializationMapping == nil) {
        serializationMapping = [RKObjectMapping serializationMapping];
        serializationMapping.rootKeyPath = @"order";
        [serializationMapping mapKeyPath:@"orderID" toAttribute:@"id"];
        [serializationMapping mapKeyPath:@"userID" toAttribute:@"user_id"];
        [serializationMapping mapKeyPath:@"paymentProfileID" toAttribute:@"payment_profile_id"];
        [serializationMapping mapKeyPath:@"items" toRelationship:@"items" withMapping:[ECOrderItem serializationMapping] serialize:YES];
    }
    return serializationMapping;
}

ECOrderItem.m

static RKObjectMapping *objectMapping = nil;
static RKObjectMapping *serializationMapping = nil;

+ (RKObjectMapping*)objectMapping {
    if (objectMapping == nil) {
        objectMapping = [RKObjectMapping mappingForClass:self];
        [objectMapping mapKeyPath:@"id" toAttribute:@"orderItemID"];
        [objectMapping mapKeyPath:@"order_id" toAttribute:@"orderID"];
        [objectMapping mapKeyPath:@"inventory_id" toAttribute:@"inventoryID"];
        [objectMapping mapKeyPath:@"unit_price" toAttribute:@"unitPrice"];
        [objectMapping mapKeyPath:@"quantity" toAttribute:@"quantity"];
    }
    return objectMapping;
}

+ (RKObjectMapping*)serializationMapping {
    if (serializationMapping == nil) {
        serializationMapping = [RKObjectMapping serializationMapping];
        serializationMapping.rootKeyPath = @"order_item";
        [serializationMapping mapKeyPath:@"inventoryID" toAttribute:@"inventory_id"];
        [serializationMapping mapKeyPath:@"quantity" toAttribute:@"quantity"];
    }
    return serializationMapping;
}

ELAppDelegate.m

[manager.mappingProvider setMapping:[ECOrder objectMapping] forKeyPath:@"order"];
[manager.mappingProvider setSerializationMapping:[ECOrder serializationMapping]forClass:[ECOrder class]];
[manager.mappingProvider setMapping:[ECOrderItem objectMapping] forKeyPath:@"order_items"];
[manager.mappingProvider setSerializationMapping:[ECOrderItem serializationMapping] forClass:[ECOrderItem class]];