APICallActionWithSwiftFlux.swift

import APIKit
import SwiftFlux

struct TodoActions {
    struct Fetch {
        typealias Payload = Todo
        func invoke(dispatcher: Dispatcher) {
            Session.sendRequest(TodoFetch(id: 1)) { (result) in
                switch response {
                case .Success(let todo):
                    dispatcher.dispatch(self, result: Result(value: todo))
                case .Failure(let error):
                    dispatcher.dispatch(self, result: Result(error: error))
                }
            }
        }
    }
}

class TodoStore: Store {
    enum TodoEvent {
        case FetchSuccess
        case FetchFailed
    }
    typealias Event = TodoEvent
    let eventEmitter = EventEmitter<TodoStore>()

    private var internalTodo: Todo?
    var todo: Todo? {
        return internalTodo
    }

    init() {
        ActionCreator.dispatcher.register(TodoActions.Fetch.self) { (result) in
            switch result {
            case .Success(let todo):
                self.internalTodo = todo
                self.eventEmitter.emit(Event.FetchSuccess)
            case .Failure(let error):
                self.eventEmitter.emit(Event.FetchFailed)
            }
        }
    }
}