mirror of
https://github.com/Dimillian/IceCubesApp.git
synced 2024-05-19 08:48:16 +00:00
731 lines
26 KiB
Swift
731 lines
26 KiB
Swift
import Combine
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import DesignSystem
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import Env
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import Models
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import NaturalLanguage
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import Network
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import PhotosUI
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import SwiftUI
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@MainActor
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public class StatusEditorViewModel: NSObject, ObservableObject {
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var mode: Mode
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var client: Client?
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var currentAccount: Account?
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var theme: Theme?
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var preferences: UserPreferences?
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var languageConfirmationDialogLanguages: [String: String]?
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var textView: UITextView? {
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didSet {
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textView?.pasteDelegate = self
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}
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}
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var selectedRange: NSRange {
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get {
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guard let textView else {
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return .init(location: 0, length: 0)
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}
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return textView.selectedRange
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}
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set {
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textView?.selectedRange = newValue
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}
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}
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var markedTextRange: UITextRange? {
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guard let textView else {
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return nil
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}
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return textView.markedTextRange
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}
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@Published var statusText = NSMutableAttributedString(string: "") {
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didSet {
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let range = selectedRange
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processText()
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checkEmbed()
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textView?.attributedText = statusText
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selectedRange = range
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}
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}
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private var urlLengthAdjustments: Int = 0
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private let maxLengthOfUrl = 23
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private var spoilerTextCount: Int {
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spoilerOn ? spoilerText.utf16.count : 0
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}
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var statusTextCharacterLength: Int {
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urlLengthAdjustments - statusText.string.utf16.count - spoilerTextCount
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}
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@Published var backupStatusText: NSAttributedString?
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@Published var showPoll: Bool = false
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@Published var pollVotingFrequency = PollVotingFrequency.oneVote
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@Published var pollDuration = PollDuration.oneDay
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@Published var pollOptions: [String] = ["", ""]
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@Published var spoilerOn: Bool = false
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@Published var spoilerText: String = ""
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@Published var isPosting: Bool = false
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@Published var selectedMedias: [PhotosPickerItem] = [] {
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didSet {
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if selectedMedias.count > 4 {
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selectedMedias = selectedMedias.prefix(4).map { $0 }
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}
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isMediasLoading = true
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inflateSelectedMedias()
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}
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}
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@Published var isMediasLoading: Bool = false
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@Published var mediasImages: [StatusEditorMediaContainer] = []
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@Published var replyToStatus: Status?
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@Published var embeddedStatus: Status?
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@Published var customEmojis: [Emoji] = []
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@Published var postingError: String?
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@Published var showPostingErrorAlert: Bool = false
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var canPost: Bool {
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statusText.length > 0 || !mediasImages.isEmpty
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}
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var shouldDisablePollButton: Bool {
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!selectedMedias.isEmpty
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}
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var shouldDisplayDismissWarning: Bool {
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var modifiedStatusText = statusText.string.trimmingCharacters(in: .whitespaces)
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if let mentionString, modifiedStatusText.hasPrefix(mentionString) {
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modifiedStatusText = String(modifiedStatusText.dropFirst(mentionString.count))
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}
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return !modifiedStatusText.isEmpty && !mode.isInShareExtension
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}
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@Published var visibility: Models.Visibility = .pub
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@Published var mentionsSuggestions: [Account] = []
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@Published var tagsSuggestions: [Tag] = []
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@Published var selectedLanguage: String?
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var hasExplicitlySelectedLanguage: Bool = false
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private var currentSuggestionRange: NSRange?
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private var embeddedStatusURL: URL? {
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URL(string: embeddedStatus?.reblog?.url ?? embeddedStatus?.url ?? "")
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}
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private var mentionString: String?
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private var uploadTask: Task<Void, Never>?
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init(mode: Mode) {
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self.mode = mode
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}
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func setInitialLanguageSelection(preference: String?) {
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switch mode {
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case let .edit(status):
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selectedLanguage = status.language
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default:
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break
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}
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selectedLanguage = selectedLanguage ?? preference ?? currentAccount?.source?.language
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}
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func evaluateLanguages() {
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if let detectedLang = detectLanguage(text: statusText.string),
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let selectedLanguage = selectedLanguage,
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selectedLanguage != "",
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selectedLanguage != detectedLang
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{
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languageConfirmationDialogLanguages = ["detected": detectedLang,
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"selected": selectedLanguage]
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} else {
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languageConfirmationDialogLanguages = nil
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}
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}
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func postStatus() async -> Status? {
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guard let client else { return nil }
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do {
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isPosting = true
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let postStatus: Status?
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var pollData: StatusData.PollData?
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if let pollOptions = getPollOptionsForAPI() {
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pollData = .init(options: pollOptions,
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multiple: pollVotingFrequency.canVoteMultipleTimes,
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expires_in: pollDuration.rawValue)
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}
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let data = StatusData(status: statusText.string,
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visibility: visibility,
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inReplyToId: mode.replyToStatus?.id,
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spoilerText: spoilerOn ? spoilerText : nil,
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mediaIds: mediasImages.compactMap { $0.mediaAttachment?.id },
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poll: pollData,
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language: selectedLanguage,
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mediaAttributes: mediaAttributes)
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switch mode {
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case .new, .replyTo, .quote, .mention, .shareExtension:
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postStatus = try await client.post(endpoint: Statuses.postStatus(json: data))
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case let .edit(status):
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postStatus = try await client.put(endpoint: Statuses.editStatus(id: status.id, json: data))
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}
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HapticManager.shared.fireHaptic(of: .notification(.success))
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if hasExplicitlySelectedLanguage, let selectedLanguage {
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preferences?.markLanguageAsSelected(isoCode: selectedLanguage)
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}
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isPosting = false
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return postStatus
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} catch {
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if let error = error as? Models.ServerError {
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postingError = error.error
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showPostingErrorAlert = true
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}
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isPosting = false
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HapticManager.shared.fireHaptic(of: .notification(.error))
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return nil
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}
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}
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// MARK: - Status Text manipulations
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func insertStatusText(text: String) {
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let string = statusText
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string.mutableString.insert(text, at: selectedRange.location)
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statusText = string
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selectedRange = NSRange(location: selectedRange.location + text.utf16.count, length: 0)
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}
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func replaceTextWith(text: String, inRange: NSRange) {
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let string = statusText
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string.mutableString.deleteCharacters(in: inRange)
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string.mutableString.insert(text, at: inRange.location)
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statusText = string
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selectedRange = NSRange(location: inRange.location + text.utf16.count, length: 0)
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}
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func replaceTextWith(text: String) {
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statusText = .init(string: text)
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selectedRange = .init(location: text.utf16.count, length: 0)
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}
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func prepareStatusText() {
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switch mode {
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case let .new(visibility):
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self.visibility = visibility
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case let .shareExtension(items):
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visibility = .pub
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processItemsProvider(items: items)
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case let .replyTo(status):
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var mentionString = ""
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if (status.reblog?.account.acct ?? status.account.acct) != currentAccount?.acct {
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mentionString = "@\(status.reblog?.account.acct ?? status.account.acct)"
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}
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for mention in status.mentions where mention.acct != currentAccount?.acct {
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if !mentionString.isEmpty {
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mentionString += " "
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}
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mentionString += "@\(mention.acct)"
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}
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if !mentionString.isEmpty {
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mentionString += " "
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}
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replyToStatus = status
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visibility = status.visibility
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statusText = .init(string: mentionString)
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selectedRange = .init(location: mentionString.utf16.count, length: 0)
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if !mentionString.isEmpty {
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self.mentionString = mentionString.trimmingCharacters(in: .whitespaces)
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}
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if !status.spoilerText.asRawText.isEmpty {
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spoilerOn = true
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spoilerText = status.spoilerText.asRawText
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}
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case let .mention(account, visibility):
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statusText = .init(string: "@\(account.acct) ")
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self.visibility = visibility
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selectedRange = .init(location: statusText.string.utf16.count, length: 0)
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case let .edit(status):
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var rawText = status.content.asRawText.escape()
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for mention in status.mentions {
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rawText = rawText.replacingOccurrences(of: "@\(mention.username)", with: "@\(mention.acct)")
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}
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statusText = .init(string: rawText)
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selectedRange = .init(location: statusText.string.utf16.count, length: 0)
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spoilerOn = !status.spoilerText.asRawText.isEmpty
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spoilerText = status.spoilerText.asRawText
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visibility = status.visibility
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mediasImages = status.mediaAttachments.map { .init(image: nil,
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movieTransferable: nil,
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gifTransferable: nil,
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mediaAttachment: $0,
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error: nil) }
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case let .quote(status):
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embeddedStatus = status
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if let url = embeddedStatusURL {
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statusText = .init(string: "\n\nFrom: @\(status.reblog?.account.acct ?? status.account.acct)\n\(url)")
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selectedRange = .init(location: 0, length: 0)
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}
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}
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}
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private func processText() {
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guard markedTextRange == nil else { return }
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statusText.addAttributes([.foregroundColor: UIColor(Color.label),
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.font: Font.scaledBodyUIFont,
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.backgroundColor: UIColor.clear,
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.underlineColor: UIColor.clear],
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range: NSMakeRange(0, statusText.string.utf16.count))
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let hashtagPattern = "(#+[a-zA-Z0-9(_)]{1,})"
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let mentionPattern = "(@+[a-zA-Z0-9(_).-]{1,})"
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let urlPattern = "(?i)https?://(?:www\\.)?\\S+(?:/|\\b)"
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do {
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let hashtagRegex = try NSRegularExpression(pattern: hashtagPattern, options: [])
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let mentionRegex = try NSRegularExpression(pattern: mentionPattern, options: [])
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let urlRegex = try NSRegularExpression(pattern: urlPattern, options: [])
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let range = NSMakeRange(0, statusText.string.utf16.count)
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var ranges = hashtagRegex.matches(in: statusText.string,
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options: [],
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range: range).map { $0.range }
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ranges.append(contentsOf: mentionRegex.matches(in: statusText.string,
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options: [],
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range: range).map { $0.range })
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let urlRanges = urlRegex.matches(in: statusText.string,
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options: [],
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range: range).map { $0.range }
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var foundSuggestionRange = false
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for nsRange in ranges {
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statusText.addAttributes([.foregroundColor: UIColor(theme?.tintColor ?? .brand)],
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range: nsRange)
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if selectedRange.location == (nsRange.location + nsRange.length),
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let range = Range(nsRange, in: statusText.string)
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{
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foundSuggestionRange = true
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currentSuggestionRange = nsRange
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loadAutoCompleteResults(query: String(statusText.string[range]))
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}
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}
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if !foundSuggestionRange || ranges.isEmpty {
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resetAutoCompletion()
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}
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var totalUrlLength = 0
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var numUrls = 0
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for range in urlRanges {
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if range.length > maxLengthOfUrl {
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numUrls += 1
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totalUrlLength += range.length
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}
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statusText.addAttributes([.foregroundColor: UIColor(theme?.tintColor ?? .brand),
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.underlineStyle: NSUnderlineStyle.single.rawValue,
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.underlineColor: UIColor(theme?.tintColor ?? .brand)],
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range: NSRange(location: range.location, length: range.length))
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}
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urlLengthAdjustments = totalUrlLength - (maxLengthOfUrl * numUrls)
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statusText.enumerateAttributes(in: range) { attributes, range, _ in
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if attributes[.link] != nil {
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statusText.removeAttribute(.link, range: range)
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}
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}
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} catch {}
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}
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// MARK: - Shar sheet / Item provider
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private func processItemsProvider(items: [NSItemProvider]) {
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Task {
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var initialText: String = ""
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for item in items {
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if let identifier = item.registeredTypeIdentifiers.first,
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let handledItemType = StatusEditorUTTypeSupported(rawValue: identifier)
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{
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do {
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let content = try await handledItemType.loadItemContent(item: item)
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if let text = content as? String {
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initialText += "\(text) "
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} else if let image = content as? UIImage {
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mediasImages.append(.init(image: image,
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movieTransferable: nil,
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gifTransferable: nil,
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mediaAttachment: nil,
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error: nil))
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} else if var content = content as? ImageFileTranseferable,
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let image = content.image
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{
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mediasImages.append(.init(image: image,
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movieTransferable: nil,
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gifTransferable: nil,
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mediaAttachment: nil,
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error: nil))
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} else if let video = content as? MovieFileTranseferable {
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mediasImages.append(.init(image: nil,
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movieTransferable: video,
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gifTransferable: nil,
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mediaAttachment: nil,
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error: nil))
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} else if let gif = content as? GifFileTranseferable {
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mediasImages.append(.init(image: nil,
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movieTransferable: nil,
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gifTransferable: gif,
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mediaAttachment: nil,
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error: nil))
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}
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} catch {}
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}
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}
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if !initialText.isEmpty {
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statusText = .init(string: initialText)
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selectedRange = .init(location: statusText.string.utf16.count, length: 0)
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}
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if !mediasImages.isEmpty {
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processMediasToUpload()
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}
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}
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}
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// MARK: - Polls
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func resetPollDefaults() {
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pollOptions = ["", ""]
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pollDuration = .oneDay
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pollVotingFrequency = .oneVote
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}
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private func getPollOptionsForAPI() -> [String]? {
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let options = pollOptions.filter { !$0.trimmingCharacters(in: .whitespaces).isEmpty }
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return options.isEmpty ? nil : options
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}
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// MARK: - Embeds
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private func checkEmbed() {
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if let url = embeddedStatusURL,
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!statusText.string.contains(url.absoluteString)
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{
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embeddedStatus = nil
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mode = .new(visibility: visibility)
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}
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}
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// MARK: - Autocomplete
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private func loadAutoCompleteResults(query: String) {
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guard let client, query.utf8.count > 1 else { return }
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var query = query
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Task {
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do {
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var results: SearchResults?
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switch query.first {
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case "#":
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query.removeFirst()
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results = try await client.get(endpoint: Search.search(query: query,
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type: "hashtags",
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offset: 0,
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following: nil),
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forceVersion: .v2)
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withAnimation {
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tagsSuggestions = results?.hashtags ?? []
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}
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case "@":
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query.removeFirst()
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results = try await client.get(endpoint: Search.search(query: query,
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type: "accounts",
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offset: 0,
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following: true),
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forceVersion: .v2)
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withAnimation {
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mentionsSuggestions = results?.accounts ?? []
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}
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default:
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break
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}
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} catch {}
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}
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}
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private func resetAutoCompletion() {
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tagsSuggestions = []
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mentionsSuggestions = []
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currentSuggestionRange = nil
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}
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func selectMentionSuggestion(account: Account) {
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if let range = currentSuggestionRange {
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replaceTextWith(text: "@\(account.acct) ", inRange: range)
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}
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}
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func selectHashtagSuggestion(tag: Tag) {
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if let range = currentSuggestionRange {
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replaceTextWith(text: "#\(tag.name) ", inRange: range)
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}
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}
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|
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// MARK: - OpenAI Prompt
|
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|
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func runOpenAI(prompt: OpenAIClient.Prompt) async {
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do {
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let client = OpenAIClient()
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let response = try await client.request(prompt)
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backupStatusText = statusText
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replaceTextWith(text: response.trimmedText)
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} catch {}
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}
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|
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// MARK: - Media related function
|
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|
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private func indexOf(container: StatusEditorMediaContainer) -> Int? {
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mediasImages.firstIndex(where: { $0.id == container.id })
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}
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|
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func inflateSelectedMedias() {
|
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mediasImages = []
|
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|
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Task {
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var medias: [StatusEditorMediaContainer] = []
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for media in selectedMedias {
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print(media.supportedContentTypes)
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var file: (any Transferable)?
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|
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if file == nil {
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file = try? await media.loadTransferable(type: GifFileTranseferable.self)
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}
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if file == nil {
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file = try? await media.loadTransferable(type: MovieFileTranseferable.self)
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}
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if file == nil {
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file = try? await media.loadTransferable(type: ImageFileTranseferable.self)
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}
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|
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if var imageFile = file as? ImageFileTranseferable,
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let image = imageFile.image
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{
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medias.append(.init(image: image,
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movieTransferable: nil,
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gifTransferable: nil,
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mediaAttachment: nil,
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error: nil))
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} else if let videoFile = file as? MovieFileTranseferable {
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medias.append(.init(image: nil,
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movieTransferable: videoFile,
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gifTransferable: nil,
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mediaAttachment: nil,
|
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error: nil))
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} else if let gifFile = file as? GifFileTranseferable {
|
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medias.append(.init(image: nil,
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movieTransferable: nil,
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gifTransferable: gifFile,
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mediaAttachment: nil,
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error: nil))
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}
|
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}
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|
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DispatchQueue.main.async { [weak self] in
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self?.mediasImages = medias
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self?.processMediasToUpload()
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}
|
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}
|
|
}
|
|
|
|
private func processMediasToUpload() {
|
|
isMediasLoading = false
|
|
uploadTask?.cancel()
|
|
let mediasCopy = mediasImages
|
|
uploadTask = Task {
|
|
for media in mediasCopy {
|
|
if !Task.isCancelled {
|
|
await upload(container: media)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func upload(container: StatusEditorMediaContainer) async {
|
|
if let index = indexOf(container: container) {
|
|
let originalContainer = mediasImages[index]
|
|
guard originalContainer.mediaAttachment == nil else { return }
|
|
let newContainer = StatusEditorMediaContainer(image: originalContainer.image,
|
|
movieTransferable: originalContainer.movieTransferable,
|
|
gifTransferable: nil,
|
|
mediaAttachment: nil,
|
|
error: nil)
|
|
mediasImages[index] = newContainer
|
|
do {
|
|
if let index = indexOf(container: newContainer) {
|
|
if let image = originalContainer.image {
|
|
let data: Data?
|
|
// Mastodon API don't support images over 5K
|
|
if image.size.height > 5000 || image.size.width > 5000 {
|
|
data = image.resized(to: .init(width: image.size.width / 4,
|
|
height: image.size.height / 4))
|
|
.jpegData(compressionQuality: 0.80)
|
|
} else {
|
|
data = image.jpegData(compressionQuality: 0.80)
|
|
}
|
|
if let data {
|
|
let uploadedMedia = try await uploadMedia(data: data, mimeType: "image/jpeg")
|
|
mediasImages[index] = .init(image: mode.isInShareExtension ? originalContainer.image : nil,
|
|
movieTransferable: nil,
|
|
gifTransferable: nil,
|
|
mediaAttachment: uploadedMedia,
|
|
error: nil)
|
|
if let uploadedMedia, uploadedMedia.url == nil {
|
|
scheduleAsyncMediaRefresh(mediaAttachement: uploadedMedia)
|
|
}
|
|
}
|
|
} else if let videoURL = await originalContainer.movieTransferable?.compressedVideoURL,
|
|
let data = try? Data(contentsOf: videoURL)
|
|
{
|
|
let uploadedMedia = try await uploadMedia(data: data, mimeType: videoURL.mimeType())
|
|
mediasImages[index] = .init(image: mode.isInShareExtension ? originalContainer.image : nil,
|
|
movieTransferable: originalContainer.movieTransferable,
|
|
gifTransferable: nil,
|
|
mediaAttachment: uploadedMedia,
|
|
error: nil)
|
|
if let uploadedMedia, uploadedMedia.url == nil {
|
|
scheduleAsyncMediaRefresh(mediaAttachement: uploadedMedia)
|
|
}
|
|
} else if let gifData = originalContainer.gifTransferable?.data {
|
|
let uploadedMedia = try await uploadMedia(data: gifData, mimeType: "image/gif")
|
|
mediasImages[index] = .init(image: mode.isInShareExtension ? originalContainer.image : nil,
|
|
movieTransferable: nil,
|
|
gifTransferable: originalContainer.gifTransferable,
|
|
mediaAttachment: uploadedMedia,
|
|
error: nil)
|
|
if let uploadedMedia, uploadedMedia.url == nil {
|
|
scheduleAsyncMediaRefresh(mediaAttachement: uploadedMedia)
|
|
}
|
|
}
|
|
}
|
|
} catch {
|
|
if let index = indexOf(container: newContainer) {
|
|
mediasImages[index] = .init(image: originalContainer.image,
|
|
movieTransferable: nil,
|
|
gifTransferable: nil,
|
|
mediaAttachment: nil,
|
|
error: error)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func scheduleAsyncMediaRefresh(mediaAttachement: MediaAttachment) {
|
|
Task {
|
|
repeat {
|
|
if let client,
|
|
let index = mediasImages.firstIndex(where: { $0.mediaAttachment?.id == mediaAttachement.id })
|
|
{
|
|
guard mediasImages[index].mediaAttachment?.url == nil else {
|
|
return
|
|
}
|
|
do {
|
|
let newAttachement: MediaAttachment = try await client.get(endpoint: Media.media(id: mediaAttachement.id,
|
|
description: nil))
|
|
if newAttachement.url != nil {
|
|
let oldContainer = mediasImages[index]
|
|
mediasImages[index] = .init(image: oldContainer.image,
|
|
movieTransferable: oldContainer.movieTransferable,
|
|
gifTransferable: oldContainer.gifTransferable,
|
|
mediaAttachment: newAttachement,
|
|
error: nil)
|
|
}
|
|
} catch {}
|
|
}
|
|
try? await Task.sleep(for: .seconds(5))
|
|
} while !Task.isCancelled
|
|
}
|
|
}
|
|
|
|
func addDescription(container: StatusEditorMediaContainer, description: String) async {
|
|
guard let client, let attachment = container.mediaAttachment else { return }
|
|
if let index = indexOf(container: container) {
|
|
do {
|
|
let media: MediaAttachment = try await client.put(endpoint: Media.media(id: attachment.id,
|
|
description: description))
|
|
mediasImages[index] = .init(image: nil,
|
|
movieTransferable: nil,
|
|
gifTransferable: nil,
|
|
mediaAttachment: media,
|
|
error: nil)
|
|
} catch { print(error) }
|
|
}
|
|
}
|
|
|
|
private var mediaAttributes: [StatusData.MediaAttribute] = []
|
|
func editDescription(container: StatusEditorMediaContainer, description: String) async {
|
|
guard let attachment = container.mediaAttachment else { return }
|
|
if indexOf(container: container) != nil {
|
|
mediaAttributes.append(StatusData.MediaAttribute(id: attachment.id, description: description, thumbnail: nil, focus: nil))
|
|
}
|
|
}
|
|
|
|
private func uploadMedia(data: Data, mimeType: String) async throws -> MediaAttachment? {
|
|
guard let client else { return nil }
|
|
return try await client.mediaUpload(endpoint: Media.medias,
|
|
version: .v2,
|
|
method: "POST",
|
|
mimeType: mimeType,
|
|
filename: "file",
|
|
data: data)
|
|
}
|
|
|
|
// MARK: - Custom emojis
|
|
|
|
func fetchCustomEmojis() async {
|
|
guard let client else { return }
|
|
do {
|
|
customEmojis = try await client.get(endpoint: CustomEmojis.customEmojis) ?? []
|
|
} catch {}
|
|
}
|
|
}
|
|
|
|
// MARK: - DropDelegate
|
|
|
|
extension StatusEditorViewModel: DropDelegate {
|
|
public func performDrop(info: DropInfo) -> Bool {
|
|
let item = info.itemProviders(for: StatusEditorUTTypeSupported.types())
|
|
processItemsProvider(items: item)
|
|
return true
|
|
}
|
|
}
|
|
|
|
// MARK: - UITextPasteDelegate
|
|
|
|
extension StatusEditorViewModel: UITextPasteDelegate {
|
|
public func textPasteConfigurationSupporting(
|
|
_: UITextPasteConfigurationSupporting,
|
|
transform item: UITextPasteItem
|
|
) {
|
|
if !item.itemProvider.registeredContentTypes(conformingTo: .image).isEmpty ||
|
|
!item.itemProvider.registeredContentTypes(conformingTo: .video).isEmpty ||
|
|
!item.itemProvider.registeredContentTypes(conformingTo: .gif).isEmpty
|
|
{
|
|
processItemsProvider(items: [item.itemProvider])
|
|
item.setNoResult()
|
|
} else {
|
|
item.setDefaultResult()
|
|
}
|
|
}
|
|
}
|