Files
letro-ios/ElementX/Sources/Modules/HomeScreen/HomeScreenCoordinator.swift
2022-02-22 12:37:44 +02:00

101 lines
2.9 KiB
Swift

//
// Copyright 2021 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import SwiftUI
import Combine
import Kingfisher
struct HomeScreenCoordinatorParameters {
let userSession: UserSession
}
enum HomeScreenCoordinatorResult {
case logout
}
final class HomeScreenCoordinator: Coordinator, Presentable {
// MARK: - Properties
// MARK: Private
private let parameters: HomeScreenCoordinatorParameters
private let hostingController: UIViewController
private var viewModel: HomeScreenViewModelProtocol
private var cancellables = Set<AnyCancellable>()
// MARK: Public
// Must be used only internally
var childCoordinators: [Coordinator] = []
var completion: ((HomeScreenCoordinatorResult) -> Void)?
// MARK: - Setup
init(parameters: HomeScreenCoordinatorParameters, imageCache: Kingfisher.ImageCache) {
self.parameters = parameters
let userDisplayName = self.parameters.userSession.userDisplayName ?? self.parameters.userSession.userIdentifier
viewModel = HomeScreenViewModel(userDisplayName: userDisplayName, imageCache: imageCache)
let view = HomeScreen(context: viewModel.context)
hostingController = UIHostingController(rootView: view)
viewModel.completion = { [weak self] result in
guard let self = self else { return }
switch result {
case .logout:
self.completion?(.logout)
case .loadUserAvatar:
self.parameters.userSession.loadUserAvatar({ result in
switch result {
case .success(let avatar):
self.viewModel.updateWithUserAvatar(avatar)
default:
break
}
})
}
}
parameters.userSession.callbacks.sink { [weak self] result in
switch result {
case .updatedData:
self?.updateRoomsList()
}
}.store(in: &cancellables)
}
// MARK: - Public
func start() {
}
func toPresentable() -> UIViewController {
return self.hostingController
}
// MARK: - Private
func updateRoomsList() {
parameters.userSession.getRoomList { [weak self] rooms in
self?.viewModel.updateWithRoomList(rooms)
}
}
}