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PORails way to change current json output
 

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    <p>I'm working with the JSON below. The outer label is missing.</p> <pre><code>[{ "id":1, "updated_at":"2012-01-13T17:13:47Z", "created_at":"2012-01-13T17:13:47Z", "name":"dave"}, { "id":2, "updated_at":"2012-01-13T17:13:55Z", "created_at":"2012-01-13T17:13:55Z", "name":"steve" }] </code></pre> <p>I think RestKit expects </p> <pre><code>{***people:*** [{ "id":1, "updated_at":"2012-01-13T17:13:47Z", "created_at":"2012-01-13T17:13:47Z", "name":"dave"}, { "id":2, "updated_at":"2012-01-13T17:13:55Z", "created_at":"2012-01-13T17:13:55Z", "name":"steve" }] } @interface Data : NSObject { Person *person; NSArray *dogs; } @property (nonatomic ,retain) Person *person; @property (nonatomic ,retain) NSArray *dogs; @end @interface Person : NSObject { NSString *name; NSNumber *personId; NSDate *updatedAt; NSDate *createdAt; } @property (nonatomic , retain) NSDate * createdAt; @property (nonatomic , retain) NSDate * updatedAt; @property (nonatomic , retain) NSNumber *personId; @property (nonatomic , retain) NSString *name; @end </code></pre> <p>Here is my mapping:</p> <pre><code>RKObjectMapping* userMapping = [RKObjectMapping mappingForClass:[Person class]]; [userMapping mapKeyPath:@"updated_at" toAttribute:@"updatedAt"]; [userMapping mapKeyPath:@"created_at" toAttribute:@"createdAt"]; [userMapping mapKeyPath:@"name" toAttribute:@"name"]; [userMapping mapKeyPath:@"id" toAttribute:@"personId"]; RKObjectMapping* dogMapping = [RKObjectMapping mappingForClass:[Dog class]]; [dogMapping mapKeyPath:@"created_at" toAttribute:@"createdAt"]; [dogMapping mapKeyPath:@"person_id" toAttribute:@"spersonId"]; [dogMapping mapKeyPath:@"name" toAttribute:@"name"]; [dogMapping mapKeyPath:@"updated_at" toAttribute:@"updatedAt"]; [dogMapping mapKeyPath:@"id" toAttribute:@"dogId"]; [[RKObjectManager sharedManager].mappingProvider setMapping:userMapping forKeyPath:@"person"]; RKObjectRouter * router = [RKObjectManager sharedManager].router; [router routeClass: [Person class] toResourcePath:@"/people/:personId"]; [router routeClass: [Person class] toResourcePath:@"/people" forMethod:RKRequestMethodPOST]; RKObjectMapping *personSerializationMapping= [RKObjectMapping mappingForClass: [NSDictionary class]]; [personSerializationMapping mapKeyPath:@"name" toAttribute:@"person[name]"]; [[RKObjectManager sharedManager].mappingProvider setSerializationMapping:personSerializationMapping forClass: [Person class]]; Person* dave =[[Person alloc]init ]; dave.name = @"data"; NSLog(@"%@", [daveLiu name]); //NSLog("name is %@", daveLiu.description ); [[RKObjectManager sharedManager] postObject:dave delegate:self]; </code></pre> <hr> <p><strong>UPDATE!</strong> I got the above code to work. It will save to the rails server, but I'm getting a keypath error still!</p> <pre><code>Processing PeopleController#create (for 127.0.0.1 at 2012-01-16 06:12:18) [POST] Parameters: {"person"=&gt;{"name"=&gt;"data"}} Person Create (0.4ms) INSERT INTO "people" ("updated_at", "created_at", "name") VALUES('2012-01-16 14:12:18', '2012-01-16 14:12:18', 'data') Completed in 11ms (View: 1, DB: 0) | 200 OK [http://localhost/people] W restkit.object_mapping:RKObjectMapper.m:60 Adding mapping error: Could not find an object mapping for keyPath: '' E restkit.network:RKObjectLoader.m:178 Encountered errors during mapping: Could not find an object mapping for keyPath: '' Error Domain=org.restkit.RestKit.ErrorDomain Code=1001 "Could not find an object mapping for keyPath: ''" UserInfo=0x4e6c4e0 {=RKObjectMapperKeyPath, NSLocalizedDescription=Could not find an object mapping for keyPath: ''} </code></pre>
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    1. USDavid Yang Liu
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    1. COShow the code, please
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    2. COYou can map the response with RestKit even without the root key path.
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    3. CO@mja hi can you point me in the right direction for the mapping for post? i can read fine but i cant seem to find the right mapping. I had to hack in to rails controller app's create function to take a :name instead and that's not right. Thank you in advance.
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