EventViewController

EventViewController.swift

class EventViewController: UIViewController {
  
  override func viewDidLoad() {
    super.viewDidLoad()
    
    bindable()
  }
  
  private func bindable() {
    searchbar.rx.text
      .orEmpty
      .asDriver(OnErrorJustReturn: "")
      .throttle(0.5)
      .drive(onNext: { [unowned self] criteria in
        self.viewModel.getEvents(criteria)
      })
      .disposed(by: bag)
    
    viewModel.events
      .map { [EventSection(name: "", items: $0)] } // Using RxDatasources
      .bind(to: table.rx.items(datasource: dataSource))
      .disposed(by: bag)
  }
  
  // UPDATED
  private func bindable() {
    searchbar.rx.text
      .orEmpty
      .distinctUntilChanged()
      .throttle(0.5, scheduler: MainScheduler.instance)
      .subscribe(onNext: { [unowned self] criteria in
        self.viewModel.getEvents(criteria: criteria)
      })
      .disposed(by: bag)

    viewModel.events
      .asDriver(onErrorJustReturn: [])
      .map { [EventSection(name: "", items: $0)] }
      .drive(table.rx.items(dataSource: dataSource))
      .disposed(by: bag)
}

EventViewModel.swift

class EventViewModel {
  private let service = Service()
  var events = BehaviorRelay<[Event]>(value: [])

  func getEvents(criteria: String) {
    _ = service.getEvents(criteria) // service.getEvents return Observable<[Event]> using Observable.create method
     .bind(to: events)
  }
}

// UPDATED

struct EventViewModel {
	private let service = EventService()
  private let _events = BehaviorRelay<[Event]>(value: [])
  private let bag = DisposeBag()

  var organizationId: Int!
  var user: User!

  var events: Driver<[Event]> { return _events.asDriver() }
  var isTableLoading: BehaviorRelay<Bool>!
  var criteria: BehaviorRelay<String>!
  var tickets: Observable<[Ticket]>!
  var badges: Observable<[Badge]>!

  init(_ user: User) {
    self.user = user
    self.organizationId = user.organization
    self.isTableLoading = BehaviorRelay<Bool>(value: false)
  }

  func getEvents(criteria: String) {
    let parameters: [String: Any] = [
      "search": criteria,
      "organization": organizationId
    ]

    service.getEvents(parameters: parameters)
      .bind(to: _events)
      .disposed(by: bag)
  }
}