vimr/VimR/OpenQuicklyReducer.swift

/**
 * Tae Won Ha - http://taewon.de - @hataewon
 * See LICENSE
 */

import Foundation
import RxSwift

class OpenQuicklyTransformer {

  let forMainWindow = MainWindowTransformer()
  let forOpenQuicklyWindow = OpenQuicklyWindowTransformer()
}

extension OpenQuicklyTransformer {

  class OpenQuicklyWindowTransformer: Reducer {

    typealias Pair = StateActionPair<AppState, OpenQuicklyWindow.Action>

    func transform(_ source: Observable<Pair>) -> Observable<Pair> {
      return source.map { pair in
        var appState = pair.state

        appState.openQuickly.open = false
        appState.openQuickly.flatFileItems = Observable.empty()
        appState.openQuickly.cwd = FileUtils.userHomeUrl

        switch pair.action {

        case let .open(url):
          guard let uuid = appState.currentMainWindowUuid else {
            return pair
          }

          appState.mainWindows[uuid]?.urlsToOpen.append(Marked([url: .newTab]))

        case .close:
          break

        }

        return StateActionPair(state: appState, action: pair.action)
      }
    }
  }

  class MainWindowTransformer: Reducer {

    typealias Pair = StateActionPair<AppState, UuidAction<MainWindow.Action>>

    func transform(_ source: Observable<Pair>) -> Observable<Pair> {
      return source.map { pair in

        switch pair.action.payload {

        case .openQuickly:
          var appState = pair.state

          guard let uuid = appState.currentMainWindowUuid else {
            return pair
          }

          guard let cwd = appState.mainWindows[uuid]?.cwd else {
            return pair
          }

          appState.openQuickly.open = true
          appState.openQuickly.cwd = cwd
          appState.openQuickly.flatFileItems = FileItemUtils.flatFileItems(
            ofUrl: cwd,
            ignorePatterns: appState.openQuickly.ignorePatterns,
            ignoreToken: appState.openQuickly.ignoreToken,
            root: appState.root
          )

          return StateActionPair(state: appState, action: pair.action)

        default:
          return pair

        }
      }
    }
  }
}