121 lines
5.2 KiB
Swift
121 lines
5.2 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 Combine
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import MatrixRustSDK
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import SwiftUI
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typealias MediaUploadPreviewScreenViewModelType = StateStoreViewModel<MediaUploadPreviewScreenViewState, MediaUploadPreviewScreenViewAction>
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class MediaUploadPreviewScreenViewModel: MediaUploadPreviewScreenViewModelType, MediaUploadPreviewScreenViewModelProtocol {
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private weak var userIndicatorController: UserIndicatorControllerProtocol?
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private let roomProxy: RoomProxyProtocol
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private let mediaUploadingPreprocessor: MediaUploadingPreprocessor
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private let url: URL
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private var requestHandle: SendAttachmentJoinHandleProtocol? {
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didSet {
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state.shouldDisableInteraction = requestHandle != nil
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}
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}
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var callback: ((MediaUploadPreviewScreenViewModelAction) -> Void)?
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init(userIndicatorController: UserIndicatorControllerProtocol?,
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roomProxy: RoomProxyProtocol,
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mediaUploadingPreprocessor: MediaUploadingPreprocessor,
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title: String?,
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url: URL) {
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self.userIndicatorController = userIndicatorController
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self.roomProxy = roomProxy
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self.mediaUploadingPreprocessor = mediaUploadingPreprocessor
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self.url = url
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super.init(initialViewState: MediaUploadPreviewScreenViewState(url: url, title: title))
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}
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override func process(viewAction: MediaUploadPreviewScreenViewAction) {
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switch viewAction {
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case .send:
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Task {
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let progressSubject = CurrentValueSubject<Double, Never>(0.0)
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startLoading(progressPublisher: progressSubject.asCurrentValuePublisher())
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switch await mediaUploadingPreprocessor.processMedia(at: url) {
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case .success(let mediaInfo):
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switch await sendAttachment(mediaInfo: mediaInfo, progressSubject: progressSubject) {
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case .success:
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callback?(.dismiss)
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case .failure(let error):
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MXLog.error("Failed sending attachment with error: \(error)")
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showError(label: L10n.screenMediaUploadPreviewErrorFailedSending)
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}
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stopLoading()
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case .failure(let error):
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MXLog.error("Failed processing media to upload with error: \(error)")
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showError(label: L10n.screenMediaUploadPreviewErrorFailedProcessing)
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stopLoading()
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}
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}
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case .cancel:
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requestHandle?.cancel()
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callback?(.dismiss)
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}
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}
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// MARK: - Private
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private func sendAttachment(mediaInfo: MediaInfo, progressSubject: CurrentValueSubject<Double, Never>) async -> Result<Void, RoomProxyError> {
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let requestHandle: ((SendAttachmentJoinHandleProtocol) -> Void) = { [weak self] handle in
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self?.requestHandle?.cancel()
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self?.requestHandle = handle
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}
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switch mediaInfo {
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case let .image(imageURL, thumbnailURL, imageInfo):
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return await roomProxy.sendImage(url: imageURL, thumbnailURL: thumbnailURL, imageInfo: imageInfo, progressSubject: progressSubject, requestHandle: requestHandle)
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case let .video(videoURL, thumbnailURL, videoInfo):
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return await roomProxy.sendVideo(url: videoURL, thumbnailURL: thumbnailURL, videoInfo: videoInfo, progressSubject: progressSubject, requestHandle: requestHandle)
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case let .audio(audioURL, audioInfo):
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return await roomProxy.sendAudio(url: audioURL, audioInfo: audioInfo, progressSubject: progressSubject, requestHandle: requestHandle)
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case let .file(fileURL, fileInfo):
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return await roomProxy.sendFile(url: fileURL, fileInfo: fileInfo, progressSubject: progressSubject, requestHandle: requestHandle)
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}
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}
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private static let loadingIndicatorIdentifier = "MediaUploadPreviewLoading"
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private func startLoading(progressPublisher: CurrentValuePublisher<Double, Never>) {
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userIndicatorController?.submitIndicator(
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UserIndicator(id: Self.loadingIndicatorIdentifier,
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type: .modal(progress: .published(progressPublisher), interactiveDismissDisabled: false, allowsInteraction: true),
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title: L10n.commonSending,
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persistent: true)
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)
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}
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private func stopLoading() {
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userIndicatorController?.retractIndicatorWithId(Self.loadingIndicatorIdentifier)
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requestHandle = nil
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}
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private func showError(label: String) {
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userIndicatorController?.submitIndicator(UserIndicator(title: label))
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}
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}
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