130 lines
5.2 KiB
Swift
130 lines
5.2 KiB
Swift
//
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// StatusAttachmentViewModel+UploadState.swift
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// ShareActionExtension
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//
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// Created by MainasuK Cirno on 2021-7-20.
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//
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import os.log
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import Foundation
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import Combine
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import GameplayKit
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import MastodonSDK
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extension StatusAttachmentViewModel {
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class UploadState: GKState {
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weak var viewModel: StatusAttachmentViewModel?
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init(viewModel: StatusAttachmentViewModel) {
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self.viewModel = viewModel
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}
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override func didEnter(from previousState: GKState?) {
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os_log("%{public}s[%{public}ld], %{public}s: enter %s, previous: %s", ((#file as NSString).lastPathComponent), #line, #function, self.debugDescription, previousState.debugDescription)
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viewModel?.uploadStateMachineSubject.send(self)
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}
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}
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}
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extension StatusAttachmentViewModel.UploadState {
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class Initial: StatusAttachmentViewModel.UploadState {
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override func isValidNextState(_ stateClass: AnyClass) -> Bool {
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guard viewModel?.authentication.value != nil else { return false }
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if stateClass == Initial.self {
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return true
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}
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if viewModel?.file.value != nil {
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return stateClass == Uploading.self
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} else {
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return stateClass == Fail.self
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}
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}
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}
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class Uploading: StatusAttachmentViewModel.UploadState {
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let logger = Logger(subsystem: "StatusAttachmentViewModel.UploadState.Uploading", category: "logic")
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var needsFallback = false
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override func isValidNextState(_ stateClass: AnyClass) -> Bool {
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return stateClass == Fail.self || stateClass == Finish.self || stateClass == Uploading.self
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}
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override func didEnter(from previousState: GKState?) {
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super.didEnter(from: previousState)
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guard let viewModel = viewModel, let stateMachine = stateMachine else { return }
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guard let authentication = viewModel.authentication.value else { return }
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guard let file = viewModel.file.value else { return }
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let description = viewModel.descriptionContent
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let query = Mastodon.API.Media.UploadMediaQuery(
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file: file,
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thumbnail: nil,
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description: description,
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focus: nil
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)
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let mastodonAuthenticationBox = MastodonAuthenticationBox(
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domain: authentication.domain,
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userID: authentication.userID,
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appAuthorization: Mastodon.API.OAuth.Authorization(accessToken: authentication.appAccessToken),
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userAuthorization: Mastodon.API.OAuth.Authorization(accessToken: authentication.userAccessToken)
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)
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// and needs clone the `query` if needs retry
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APIService.shared.uploadMedia(
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domain: mastodonAuthenticationBox.domain,
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query: query,
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mastodonAuthenticationBox: mastodonAuthenticationBox,
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needsFallback: needsFallback
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)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] completion in
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guard let self = self else { return }
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switch completion {
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case .failure(let error):
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if let apiError = error as? Mastodon.API.Error,
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apiError.httpResponseStatus == .notFound,
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self.needsFallback == false
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{
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self.needsFallback = true
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stateMachine.enter(Uploading.self)
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self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): fallback to V1")
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} else {
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self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): fail: \(error.localizedDescription)")
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viewModel.error = error
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stateMachine.enter(Fail.self)
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}
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case .finished:
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self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): upload attachment success")
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break
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}
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} receiveValue: { [weak self] response in
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guard let self = self else { return }
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self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): upload attachment \(response.value.id) success, \(response.value.url ?? "<nil>")")
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viewModel.attachment.value = response.value
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stateMachine.enter(Finish.self)
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}
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.store(in: &viewModel.disposeBag)
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}
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}
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class Fail: StatusAttachmentViewModel.UploadState {
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override func isValidNextState(_ stateClass: AnyClass) -> Bool {
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// allow discard publishing
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return stateClass == Uploading.self || stateClass == Finish.self
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}
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}
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class Finish: StatusAttachmentViewModel.UploadState {
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override func isValidNextState(_ stateClass: AnyClass) -> Bool {
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return false
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}
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}
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}
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