mirror of
https://github.com/vector-im/element-ios.git
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174 lines
6.2 KiB
Swift
174 lines
6.2 KiB
Swift
// File created from ScreenTemplate
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// $ createScreen.sh CreateRoom/EnterNewRoomDetails EnterNewRoomDetails
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/*
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Copyright 2020 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import Foundation
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final class EnterNewRoomDetailsViewModel: EnterNewRoomDetailsViewModelType {
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// MARK: - Properties
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// MARK: Private
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private let session: MXSession
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private var currentOperation: MXHTTPOperation?
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private var mediaUploader: MXMediaLoader?
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// MARK: Public
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weak var viewDelegate: EnterNewRoomDetailsViewModelViewDelegate?
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weak var coordinatorDelegate: EnterNewRoomDetailsViewModelCoordinatorDelegate?
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var roomCreationParameters: RoomCreationParameters = RoomCreationParameters()
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// MARK: - Setup
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init(session: MXSession) {
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self.session = session
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roomCreationParameters.isEncrypted = session.vc_isE2EByDefaultEnabledByHSAdmin()
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}
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deinit {
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self.cancelOperations()
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}
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// MARK: - Public
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func process(viewAction: EnterNewRoomDetailsViewAction) {
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switch viewAction {
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case .loadData:
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self.loadData()
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case .chooseAvatar(let sourceView):
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self.chooseAvatar(sourceView: sourceView)
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case .cancel:
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self.cancelOperations()
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self.coordinatorDelegate?.enterNewRoomDetailsViewModelDidCancel(self)
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case .create:
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self.createRoom()
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}
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}
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// MARK: - Private
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private func loadData() {
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update(viewState: .loaded)
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}
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private func chooseAvatar(sourceView: UIView) {
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self.coordinatorDelegate?.enterNewRoomDetailsViewModel(self, didTapChooseAvatar: sourceView)
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}
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private func fixRoomAlias(alias: String?) -> String? {
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guard var alias = alias else { return nil }
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// drop prefix # from room alias
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while alias.hasPrefix("#") {
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alias = String(alias.dropFirst())
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}
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// TODO: Fix below somehow
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alias = alias.replacingOccurrences(of: ":matrix.org", with: "")
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if let homeserver = session.credentials.homeServer {
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alias = alias.replacingOccurrences(of: ":" + homeserver, with: "")
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}
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return alias
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}
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private func createRoom() {
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// compose room creation parameters in Matrix level
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let parameters = MXRoomCreationParameters()
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parameters.name = roomCreationParameters.name
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parameters.topic = roomCreationParameters.topic
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parameters.roomAlias = fixRoomAlias(alias: roomCreationParameters.address)
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if roomCreationParameters.isPublic {
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parameters.preset = kMXRoomPresetPublicChat
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if roomCreationParameters.showInDirectory {
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parameters.visibility = kMXRoomDirectoryVisibilityPublic
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} else {
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parameters.visibility = kMXRoomDirectoryVisibilityPrivate
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}
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} else {
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parameters.preset = kMXRoomPresetPrivateChat
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parameters.visibility = kMXRoomDirectoryVisibilityPrivate
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}
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if roomCreationParameters.isEncrypted {
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parameters.initialStateEvents = [MXRoomCreationParameters.initialStateEventForEncryption(withAlgorithm: kMXCryptoMegolmAlgorithm)]
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}
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update(viewState: .loading)
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currentOperation = session.createRoom(parameters: parameters) { (response) in
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switch response {
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case .success(let room):
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self.uploadAvatarIfRequired(ofRoom: room)
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self.currentOperation = nil
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case .failure(let error):
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self.update(viewState: .error(error))
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self.currentOperation = nil
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}
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}
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}
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private func uploadAvatarIfRequired(ofRoom room: MXRoom) {
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guard let avatar = roomCreationParameters.userSelectedAvatar else {
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// no avatar set, continue
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self.coordinatorDelegate?.enterNewRoomDetailsViewModel(self, didCreateNewRoom: room)
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return
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}
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let avatarUp = MXKTools.forceImageOrientationUp(avatar)
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mediaUploader = MXMediaManager.prepareUploader(withMatrixSession: session, initialRange: 0, andRange: 1.0)
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mediaUploader?.uploadData(avatarUp?.jpegData(compressionQuality: 0.5),
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filename: nil,
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mimeType: "image/jpeg",
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success: { [weak self] (urlString) in
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guard let self = self else { return }
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guard let urlString = urlString else { return }
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guard let url = URL(string: urlString) else { return }
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self.setAvatar(ofRoom: room, withURL: url)
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}, failure: { [weak self] (error) in
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guard let self = self else { return }
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guard let error = error else { return }
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self.update(viewState: .error(error))
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})
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}
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private func setAvatar(ofRoom room: MXRoom, withURL url: URL) {
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currentOperation = room.setAvatar(url: url) { (response) in
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switch response {
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case .success:
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self.coordinatorDelegate?.enterNewRoomDetailsViewModel(self, didCreateNewRoom: room)
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self.currentOperation = nil
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case .failure(let error):
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self.update(viewState: .error(error))
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self.currentOperation = nil
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}
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}
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}
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private func update(viewState: EnterNewRoomDetailsViewState) {
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self.viewDelegate?.enterNewRoomDetailsViewModel(self, didUpdateViewState: viewState)
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}
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private func cancelOperations() {
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self.currentOperation?.cancel()
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}
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}
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