Kurdtvs-Live-Kurdish-TV-Kur.../Mastodon/Scene/Onboarding/PickServer/MastodonPickServerViewModel...

94 lines
3.3 KiB
Swift

//
// MastodonPickServerViewModel+LoadIndexedServerState.swift
// Mastodon
//
// Created by Cirno MainasuK on 2021/3/5.
//
import os.log
import Foundation
import GameplayKit
import MastodonSDK
extension MastodonPickServerViewModel {
class LoadIndexedServerState: GKState {
weak var viewModel: MastodonPickServerViewModel?
init(viewModel: MastodonPickServerViewModel) {
self.viewModel = viewModel
}
override func didEnter(from previousState: GKState?) {
os_log("%{public}s[%{public}ld], %{public}s: enter %s, previous: %s", ((#file as NSString).lastPathComponent), #line, #function, self.debugDescription, previousState.debugDescription)
}
}
}
extension MastodonPickServerViewModel.LoadIndexedServerState {
class Initial: MastodonPickServerViewModel.LoadIndexedServerState {
override func isValidNextState(_ stateClass: AnyClass) -> Bool {
return stateClass == Loading.self
}
}
class Loading: MastodonPickServerViewModel.LoadIndexedServerState {
override func isValidNextState(_ stateClass: AnyClass) -> Bool {
return stateClass == Fail.self || stateClass == Idle.self
}
override func didEnter(from previousState: GKState?) {
super.didEnter(from: previousState)
guard let viewModel = self.viewModel, let stateMachine = self.stateMachine else { return }
viewModel.isLoadingIndexedServers.value = true
viewModel.context.apiService.servers(language: nil, category: nil)
.sink { completion in
switch completion {
case .failure(let error):
// TODO: handle error
stateMachine.enter(Fail.self)
viewModel.loadingIndexedServersError.value = error
case .finished:
break
}
} receiveValue: { [weak self] response in
guard let _ = self else { return }
stateMachine.enter(Idle.self)
viewModel.indexedServers.value = response.value
}
.store(in: &viewModel.disposeBag)
}
}
class Fail: MastodonPickServerViewModel.LoadIndexedServerState {
override func isValidNextState(_ stateClass: AnyClass) -> Bool {
return stateClass == Loading.self
}
override func didEnter(from previousState: GKState?) {
super.didEnter(from: previousState)
guard let stateMachine = self.stateMachine else { return }
DispatchQueue.main.asyncAfter(deadline: .now() + 3) { [weak self] in
guard let _ = self else { return }
stateMachine.enter(Loading.self)
}
}
}
class Idle: MastodonPickServerViewModel.LoadIndexedServerState {
override func isValidNextState(_ stateClass: AnyClass) -> Bool {
return false
}
override func didEnter(from previousState: GKState?) {
super.didEnter(from: previousState)
guard let viewModel = self.viewModel else { return }
viewModel.isLoadingIndexedServers.value = false
}
}
}