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Refactor SettingsUI and related modules
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Peter
358
submodules/SettingsUI/Sources/UsernameSetupController.swift
Normal file
358
submodules/SettingsUI/Sources/UsernameSetupController.swift
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import Foundation
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import UIKit
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import Display
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import SwiftSignalKit
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import Postbox
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import TelegramCore
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import TelegramPresentationData
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import ItemListUI
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import AccountContext
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import ShareController
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private final class UsernameSetupControllerArguments {
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let account: Account
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let updatePublicLinkText: (String?, String) -> Void
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let shareLink: () -> Void
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init(account: Account, updatePublicLinkText: @escaping (String?, String) -> Void, shareLink: @escaping () -> Void) {
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self.account = account
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self.updatePublicLinkText = updatePublicLinkText
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self.shareLink = shareLink
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}
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}
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private enum UsernameSetupSection: Int32 {
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case link
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}
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public enum UsernameEntryTag: ItemListItemTag {
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case username
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public func isEqual(to other: ItemListItemTag) -> Bool {
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if let other = other as? UsernameEntryTag, self == other {
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return true
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} else {
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return false
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}
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}
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}
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private enum UsernameSetupEntry: ItemListNodeEntry {
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case editablePublicLink(PresentationTheme, PresentationStrings, String, String?, String)
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case publicLinkStatus(PresentationTheme, String, AddressNameValidationStatus, String)
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case publicLinkInfo(PresentationTheme, String)
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var section: ItemListSectionId {
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switch self {
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case .editablePublicLink, .publicLinkStatus, .publicLinkInfo:
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return UsernameSetupSection.link.rawValue
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}
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}
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var stableId: Int32 {
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switch self {
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case .editablePublicLink:
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return 0
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case .publicLinkStatus:
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return 1
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case .publicLinkInfo:
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return 2
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}
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}
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static func ==(lhs: UsernameSetupEntry, rhs: UsernameSetupEntry) -> Bool {
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switch lhs {
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case let .editablePublicLink(lhsTheme, lhsStrings, lhsPrefix, lhsCurrentText, lhsText):
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if case let .editablePublicLink(rhsTheme, rhsStrings, rhsPrefix, rhsCurrentText, rhsText) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsPrefix == rhsPrefix, lhsCurrentText == rhsCurrentText, lhsText == rhsText {
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return true
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} else {
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return false
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}
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case let .publicLinkInfo(lhsTheme, lhsText):
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if case let .publicLinkInfo(rhsTheme, rhsText) = rhs, lhsTheme === rhsTheme, lhsText == rhsText {
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return true
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} else {
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return false
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}
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case let .publicLinkStatus(lhsTheme, lhsAddressName, lhsStatus, lhsText):
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if case let .publicLinkStatus(rhsTheme, rhsAddressName, rhsStatus, rhsText) = rhs, lhsTheme === rhsTheme, lhsAddressName == rhsAddressName, lhsStatus == rhsStatus, lhsText == rhsText {
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return true
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} else {
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return false
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}
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}
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}
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static func <(lhs: UsernameSetupEntry, rhs: UsernameSetupEntry) -> Bool {
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return lhs.stableId < rhs.stableId
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}
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func item(_ arguments: UsernameSetupControllerArguments) -> ListViewItem {
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switch self {
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case let .editablePublicLink(theme, strings, prefix, currentText, text):
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return ItemListSingleLineInputItem(theme: theme, strings: strings, title: NSAttributedString(string: prefix, textColor: theme.list.itemPrimaryTextColor), text: text, placeholder: "", type: .username, spacing: 10.0, clearButton: true, tag: UsernameEntryTag.username, sectionId: self.section, textUpdated: { updatedText in
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arguments.updatePublicLinkText(currentText, updatedText)
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}, action: {
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})
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case let .publicLinkInfo(theme, text):
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return ItemListTextItem(theme: theme, text: .markdown(text), sectionId: self.section, linkAction: { action in
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if case .tap = action {
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arguments.shareLink()
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}
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})
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case let .publicLinkStatus(theme, _, status, text):
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var displayActivity = false
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let string: NSAttributedString
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switch status {
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case .invalidFormat:
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string = NSAttributedString(string: text, textColor: theme.list.freeTextErrorColor)
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case let .availability(availability):
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switch availability {
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case .available:
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string = NSAttributedString(string: text, textColor: theme.list.freeTextSuccessColor)
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case .invalid, .taken:
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string = NSAttributedString(string: text, textColor: theme.list.freeTextErrorColor)
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}
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case .checking:
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string = NSAttributedString(string: text, textColor: theme.list.freeTextColor)
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displayActivity = true
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}
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return ItemListActivityTextItem(displayActivity: displayActivity, theme: theme, text: string, sectionId: self.section)
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}
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}
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}
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private struct UsernameSetupControllerState: Equatable {
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let editingPublicLinkText: String?
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let addressNameValidationStatus: AddressNameValidationStatus?
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let updatingAddressName: Bool
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init() {
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self.editingPublicLinkText = nil
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self.addressNameValidationStatus = nil
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self.updatingAddressName = false
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}
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init(editingPublicLinkText: String?, addressNameValidationStatus: AddressNameValidationStatus?, updatingAddressName: Bool) {
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self.editingPublicLinkText = editingPublicLinkText
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self.addressNameValidationStatus = addressNameValidationStatus
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self.updatingAddressName = updatingAddressName
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}
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static func ==(lhs: UsernameSetupControllerState, rhs: UsernameSetupControllerState) -> Bool {
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if lhs.editingPublicLinkText != rhs.editingPublicLinkText {
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return false
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}
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if lhs.addressNameValidationStatus != rhs.addressNameValidationStatus {
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return false
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}
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if lhs.updatingAddressName != rhs.updatingAddressName {
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return false
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}
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return true
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}
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func withUpdatedEditingPublicLinkText(_ editingPublicLinkText: String?) -> UsernameSetupControllerState {
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return UsernameSetupControllerState(editingPublicLinkText: editingPublicLinkText, addressNameValidationStatus: self.addressNameValidationStatus, updatingAddressName: self.updatingAddressName)
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}
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func withUpdatedAddressNameValidationStatus(_ addressNameValidationStatus: AddressNameValidationStatus?) -> UsernameSetupControllerState {
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return UsernameSetupControllerState(editingPublicLinkText: self.editingPublicLinkText, addressNameValidationStatus: addressNameValidationStatus, updatingAddressName: self.updatingAddressName)
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}
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func withUpdatedUpdatingAddressName(_ updatingAddressName: Bool) -> UsernameSetupControllerState {
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return UsernameSetupControllerState(editingPublicLinkText: self.editingPublicLinkText, addressNameValidationStatus: self.addressNameValidationStatus, updatingAddressName: updatingAddressName)
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}
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}
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private func usernameSetupControllerEntries(presentationData: PresentationData, view: PeerView, state: UsernameSetupControllerState) -> [UsernameSetupEntry] {
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var entries: [UsernameSetupEntry] = []
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if let peer = view.peers[view.peerId] as? TelegramUser {
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let currentAddressName: String
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if let current = state.editingPublicLinkText {
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currentAddressName = current
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} else {
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if let addressName = peer.addressName {
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currentAddressName = addressName
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} else {
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currentAddressName = ""
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}
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}
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entries.append(.editablePublicLink(presentationData.theme, presentationData.strings, presentationData.strings.Username_Title, peer.addressName, currentAddressName))
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if let status = state.addressNameValidationStatus {
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let statusText: String
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switch status {
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case let .invalidFormat(error):
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switch error {
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case .startsWithDigit:
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statusText = presentationData.strings.Username_InvalidStartsWithNumber
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case .startsWithUnderscore, .endsWithUnderscore, .invalidCharacters:
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statusText = presentationData.strings.Username_InvalidCharacters
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case .tooShort:
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statusText = presentationData.strings.Username_InvalidTooShort
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}
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case let .availability(availability):
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switch availability {
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case .available:
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statusText = presentationData.strings.Username_UsernameIsAvailable(currentAddressName).0
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case .invalid:
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statusText = presentationData.strings.Username_InvalidCharacters
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case .taken:
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statusText = presentationData.strings.Username_InvalidTaken
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}
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case .checking:
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statusText = presentationData.strings.Username_CheckingUsername
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}
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entries.append(.publicLinkStatus(presentationData.theme, currentAddressName, status, statusText))
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}
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var infoText = presentationData.strings.Username_Help
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infoText += "\n\n"
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let hintText = presentationData.strings.Username_LinkHint(currentAddressName.replacingOccurrences(of: "[", with: "").replacingOccurrences(of: "]", with: "")).0.replacingOccurrences(of: "]", with: "]()")
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infoText += hintText
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entries.append(.publicLinkInfo(presentationData.theme, infoText))
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}
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return entries
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}
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public func usernameSetupController(context: AccountContext) -> ViewController {
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let statePromise = ValuePromise(UsernameSetupControllerState(), ignoreRepeated: true)
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let stateValue = Atomic(value: UsernameSetupControllerState())
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let updateState: ((UsernameSetupControllerState) -> UsernameSetupControllerState) -> Void = { f in
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statePromise.set(stateValue.modify { f($0) })
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}
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var dismissImpl: (() -> Void)?
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var presentControllerImpl: ((ViewController, Any?) -> Void)?
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let actionsDisposable = DisposableSet()
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let checkAddressNameDisposable = MetaDisposable()
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actionsDisposable.add(checkAddressNameDisposable)
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let updateAddressNameDisposable = MetaDisposable()
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actionsDisposable.add(updateAddressNameDisposable)
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let arguments = UsernameSetupControllerArguments(account: context.account, updatePublicLinkText: { currentText, text in
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if text.isEmpty {
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checkAddressNameDisposable.set(nil)
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updateState { state in
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return state.withUpdatedEditingPublicLinkText(text).withUpdatedAddressNameValidationStatus(nil)
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}
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} else if currentText == text {
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checkAddressNameDisposable.set(nil)
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updateState { state in
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return state.withUpdatedEditingPublicLinkText(text).withUpdatedAddressNameValidationStatus(nil).withUpdatedAddressNameValidationStatus(nil)
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}
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} else {
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updateState { state in
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return state.withUpdatedEditingPublicLinkText(text)
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}
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checkAddressNameDisposable.set((validateAddressNameInteractive(account: context.account, domain: .account, name: text)
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|> deliverOnMainQueue).start(next: { result in
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updateState { state in
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return state.withUpdatedAddressNameValidationStatus(result)
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}
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}))
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}
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}, shareLink: {
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let _ = (context.account.postbox.loadedPeerWithId(context.account.peerId)
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|> take(1)
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|> deliverOnMainQueue).start(next: { peer in
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var currentAddressName: String = peer.addressName ?? ""
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updateState { state in
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if let current = state.editingPublicLinkText {
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currentAddressName = current
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}
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return state
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}
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if !currentAddressName.isEmpty {
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presentControllerImpl?(ShareController(context: context, subject: .url("https://t.me/\(currentAddressName)")), nil)
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}
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})
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})
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let peerView = context.account.viewTracker.peerView(context.account.peerId)
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|> deliverOnMainQueue
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let signal = combineLatest(context.sharedContext.presentationData, statePromise.get() |> deliverOnMainQueue, peerView)
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|> map { presentationData, state, view -> (ItemListControllerState, (ItemListNodeState<UsernameSetupEntry>, UsernameSetupEntry.ItemGenerationArguments)) in
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let peer = peerViewMainPeer(view)
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var rightNavigationButton: ItemListNavigationButton?
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if let peer = peer as? TelegramUser {
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var doneEnabled = true
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if let addressNameValidationStatus = state.addressNameValidationStatus {
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switch addressNameValidationStatus {
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case .availability(.available):
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break
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default:
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doneEnabled = false
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}
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}
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rightNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Done), style: state.updatingAddressName ? .activity : .bold, enabled: doneEnabled, action: {
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var updatedAddressNameValue: String?
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updateState { state in
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if state.editingPublicLinkText != peer.addressName {
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updatedAddressNameValue = state.editingPublicLinkText
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}
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if updatedAddressNameValue != nil {
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return state.withUpdatedUpdatingAddressName(true)
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} else {
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return state
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}
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}
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if let updatedAddressNameValue = updatedAddressNameValue {
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updateAddressNameDisposable.set((updateAddressName(account: context.account, domain: .account, name: updatedAddressNameValue.isEmpty ? nil : updatedAddressNameValue)
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|> deliverOnMainQueue).start(error: { _ in
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updateState { state in
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return state.withUpdatedUpdatingAddressName(false)
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}
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}, completed: {
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updateState { state in
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return state.withUpdatedUpdatingAddressName(false)
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}
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dismissImpl?()
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}))
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} else {
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dismissImpl?()
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}
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})
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}
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let leftNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Cancel), style: .regular, enabled: true, action: {
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dismissImpl?()
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})
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let controllerState = ItemListControllerState(theme: presentationData.theme, title: .text(presentationData.strings.Username_Title), leftNavigationButton: leftNavigationButton, rightNavigationButton: rightNavigationButton, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back), animateChanges: false)
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let listState = ItemListNodeState(entries: usernameSetupControllerEntries(presentationData: presentationData, view: view, state: state), style: .blocks, focusItemTag: UsernameEntryTag.username, animateChanges: false)
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return (controllerState, (listState, arguments))
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} |> afterDisposed {
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actionsDisposable.dispose()
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}
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let controller = ItemListController(context: context, state: signal)
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controller.enableInteractiveDismiss = true
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dismissImpl = { [weak controller] in
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controller?.view.endEditing(true)
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controller?.dismiss()
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}
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presentControllerImpl = { [weak controller] c, a in
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controller?.present(c, in: .window(.root), with: a)
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}
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return controller
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}
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