Table View Adapter

FRKTableViewAdapter.h

@interface TableViewAdapter : NSObject <FRKDataProvider, UITableViewDataSource>

- (instancetype)initWithDataProvider:(id<FRKDataProvider, FRKSectionInfoProvider>)provider
                       dataPresenter:(id<FRKTableViewDataPresenter>)presenter;

- (void)registerCellsForTableView:(UITableView *)tableView;

@end

FRKTableViewAdapter.m

@interface FRKTableViewAdapter ()

@property(nonatomic, strong) id<FRKDataProvider, FRKSectionInfoProvider> provider;
@property(nonatomic, strong) id<FRKTableViewDataPresenter> presenter;

@end

@implementation FRKTableViewAdapter

- (instancetype)initWithDataProvider:(id<FRKDataProvider, FRKSectionInfoProvider>)provider
                       dataPresenter:(id<FRKTableViewDataPresenter>)presenter {
    self = [super init];
    if (!self) {
        return nil;
    }
    
    _provider = provider;
    _presenter = presenter;
    
    return self;
}

- (void)registerCellsForTableView:(UITableView *)tableView {
    [self.presenter registerCellsForTableView:tableView];
}

#pragma mark - FRKDataProvider

- (id)itemAtIndexPath:(NSIndexPath *)indexPath {
    return [self.provider itemAtIndexPath:indexPath];
}

- (NSIndexPath *)indexForItem:(id)item {
    return [self.provider indexForItem:item];
}

- (void)loadDataWithCompletion:(void(^)(NSError *error))completion {
    [self.provider loadDataWithCompletion:completion];
}

#pragma mark - UITableViewDataSource

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return [self.provider numberOfSections];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return [self.provider numberOfItemsInSection:section];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    id item = [self itemAtIndexPath:indexPath];
  
    return [self.presenter tableView:tableView cellForItem:item atIndexPath:indexPath];
}

@end