element-ios/Riot/Modules/Spaces/SpaceRoomList/SpaceChildRoomDetail/SpaceChildRoomDetailViewMod...

121 lines
4.4 KiB
Swift

// File created from ScreenTemplate
// $ createScreen.sh Spaces/SpaceRoomList/SpaceChildRoomDetail ShowSpaceChildRoomDetail
/*
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 Foundation
final class SpaceChildRoomDetailViewModel: SpaceChildRoomDetailViewModelType {
// MARK: - Properties
// MARK: Private
private let session: MXSession
private let childInfo: MXSpaceChildInfo
private var currentOperation: MXHTTPOperation?
private var userDisplayName: String?
private var isRoomJoined: Bool {
let summary = self.session.room(withRoomId: self.childInfo.childRoomId)?.summary
return summary?.isJoined ?? false
}
// MARK: Public
weak var viewDelegate: SpaceChildRoomDetailViewModelViewDelegate?
weak var coordinatorDelegate: SpaceChildRoomDetailViewModelCoordinatorDelegate?
// MARK: - Setup
init(parameters: SpaceChildRoomDetailCoordinatorParameters) {
self.session = parameters.session
self.childInfo = parameters.childInfo
}
deinit {
self.cancelOperations()
}
// MARK: - Public
func process(viewAction: SpaceChildRoomDetailViewAction) {
switch viewAction {
case .loadData:
self.loadData()
case .complete:
if self.isRoomJoined {
self.coordinatorDelegate?.spaceChildRoomDetailViewModel(self, didOpenRoomWith: self.childInfo.childRoomId)
} else {
joinRoom()
}
case .cancel:
self.cancelOperations()
self.coordinatorDelegate?.spaceChildRoomDetailViewModelDidCancel(self)
}
}
// MARK: - Private
private func loadData() {
let avatarViewData = AvatarViewData(matrixItemId: self.childInfo.childRoomId,
displayName: self.childInfo.displayName,
avatarUrl: self.childInfo.avatarUrl,
mediaManager: self.session.mediaManager,
fallbackImage: .matrixItem(self.childInfo.childRoomId, self.childInfo.name))
self.update(viewState: .loaded(self.childInfo, avatarViewData, self.isRoomJoined))
}
private func update(viewState: SpaceChildRoomDetailViewState) {
self.viewDelegate?.spaceChildRoomDetailViewModel(self, didUpdateViewState: viewState)
}
private func cancelOperations() {
self.currentOperation?.cancel()
}
private func joinRoom() {
self.update(viewState: .loading)
if let canonicalAlias = self.childInfo.canonicalAlias {
self.session.matrixRestClient.resolveRoomAlias(canonicalAlias) { [weak self] (response) in
guard let self = self else { return }
switch response {
case .success(let resolution):
self.joinRoom(withId: resolution.roomId, via: resolution.servers)
case .failure(let error):
MXLog.warning("[SpaceChildRoomDetailViewModel] joinRoom: failed to resolve room alias due to error \(error).")
self.joinRoom(withId: self.childInfo.childRoomId, via: nil)
}
}
} else {
MXLog.warning("[SpaceChildRoomDetailViewModel] joinRoom: no canonical alias provided.")
joinRoom(withId: self.childInfo.childRoomId, via: nil)
}
}
private func joinRoom(withId roomId: String, via viaServers: [String]?) {
self.session.joinRoom(roomId, viaServers: viaServers, withSignUrl: nil) { [weak self] response in
guard let self = self else { return }
switch response {
case .success:
self.loadData()
case .failure(let error):
self.update(viewState: .error(error))
}
}
}
}