Currency Selected ViewModel

CurrencySelectedViewModel.swift

struct CurrencySelectedViewModel {
    let currencyCellViewModels = BehaviorRelay<[CurrencyCellViewModel]>(value: [])
    
    func selected(cellViewModel: CurrencyCellViewModel) {
    }
    
    func cancel() {
    }
}

//Presentation Logic
extension CurrencySelectedViewModel {
    var listOfCurrencyDatasource: Observable<[AnimatableSectionModel<String,CurrencyCellViewModel>]> {
        return self.currencyCellViewModels.map({ (viewModels) -> [AnimatableSectionModel<String,CurrencyCellViewModel>] in
            let items = viewModels.map{ viewModel -> CurrencyCellViewModel in
                var viewModel = viewModel
                viewModel.isSelected = viewModel.currency == self.selected.value
                return viewModel
            }
            return [AnimatableSectionModel(model: "section\(0)", items: items)]
        })
    }
}