RestKit post 3

gistfile1.m

#import <RestKit/RestKit.h>

@class SMArticle

@interface SMArticleDataController : NSObject

- (void)loadArticlesWithOnLoad:(RKObjectLoaderDidLoadObjectsBlock)loadBlock onError:(RKRequestDidFailLoadWithErrorBlock)failBlock;

- (int)articleCount;
- (SMArticle*)articleAtIndex:(int)index;
- (int)indexForArticle:(SMArticle*)Article;

- (void)saveArticle:(SMArticle*)article WithOnLoad:(RKObjectLoaderDidLoadObjectsBlock)loadBlock onError:(RKRequestDidFailLoadWithErrorBlock)failBlock;
- (void)deleteArticle:(SMArticle*)article onError:(RKRequestDidFailLoadWithErrorBlock)failBlock;

@end



#import "SMArticleDataController.h"
#import "SMArticle.h"


@interface SMArticlesDataController ()
@property (nonatomic,retain) NSMutableArray* articles;
@end

@implementation SMArticlesDataSource

- (id)init
{
	if ((self = [super init]))
	{
		[self setArticles:[[NSMutableArray alloc] init]];
	}
	return self;
}

- (int)articleCount
{
	return self.articles.count;
}

- (SMArticle*)articleAtIndex:(int)index
{
    if ([self.articles count] > 0) {
        return [self.articles objectAtIndex:index];
    }
	return nil;
}

- (int)indexForArticle:(SMArticle*)article
{
    return [[self articles] indexOfObject: article];
}

- (void)addArticle:(SMArticle*)article
{
	[self.articles addObject: article];
}

#pragma mark - API Calls

- (void)loadArticlesWithOnLoad:(RKObjectLoaderDidLoadObjectsBlock)loadBlock onError:(RKRequestDidFailLoadWithErrorBlock)failBlock
{
    __weak MMArticleDataController *me = self;

    RKObjectManager *manager = [RKObjectManager sharedManager];
    [manager sendObject:nil toResourcePath:@"api/v1/articles.json" usingBlock:^(RKObjectLoader* loader) {
        loader.method = RKRequestMethodGET;
        loader.serializationMIMEType = RKMIMETypeJSON;
        loader.objectMapping = [[RKObjectManager sharedManager].mappingProvider objectMappingForClass:[SMArticle class]];
        loader.onDidLoadObjects = ^(NSArray *objects) {
            if (me != nil) {
                [me setArticles:[objects mutableCopy]];
                loadBlock(objects);
            }
        };
        loader.onDidFailWithError = failBlock;
        loader.onDidFailLoadWithError = failBlock;
    }];
}

- (void)saveArticle:(SMArticle*)article WithOnLoad:(RKObjectLoaderDidLoadObjectsBlock)loadBlock onError:(RKRequestDidFailLoadWithErrorBlock)failBlock
{
    if ([self.articles containsObject:article]) {
        [self putArticle:article WithOnLoad:loadBlock onError:failBlock];
        
    } else {
        [self postArticle:article WithOnLoad:loadBlock onError:failBlock];
    }
}


- (void)putArticle:(SMArticle*)article WithOnLoad:(RKObjectLoaderDidLoadObjectsBlock)loadBlock onError:(RKRequestDidFailLoadWithErrorBlock)failBlock
{
    __weak MMArticleDataController *me = self;
    
    RKObjectManager* objectManager = [RKObjectManager sharedManager];
    
    [objectManager putObject:article usingBlock:^(RKObjectLoader* loader) {
        loader.serializationMIMEType = RKMIMETypeJSON;
        loader.objectMapping = [[RKObjectManager sharedManager].mappingProvider objectMappingForClass:[SMArticle class]];
        loader.onDidLoadObjects = ^(NSArray *objects) {
            if (me != nil) {
                [me.articles removeObject:article];
                [me addArticle:[objects lastObject]];
		        loadBlock(objects);
            }
        };
        loader.onDidFailWithError = failBlock;
        loader.onDidFailLoadWithError = failBlock;
    }];
}

- (void)postArticle:(SMArticle*)article WithOnLoad:(RKObjectLoaderDidLoadObjectsBlock)loadBlock 
onError:(RKRequestDidFailLoadWithErrorBlock)failBlock
{
    __weak MMArticleDataController *me = self;
    
    RKObjectManager* objectManager = [RKObjectManager sharedManager];
    
    [objectManager postObject:article usingBlock:^(RKObjectLoader* loader) {
        loader.serializationMIMEType = RKMIMETypeJSON;
        loader.objectMapping = [[RKObjectManager sharedManager].mappingProvider objectMappingForClass:[SMArticle class]];
        loader.onDidLoadObjects = ^(NSArray *objects) {
        	if (me != nil) {
        		[me addArticle:[objects lastObject]];
        		loadBlock(objects);
        	}
        };
        loader.onDidFailWithError = failBlock;
        loader.onDidFailLoadWithError = failBlock;
    }];

    
}