Swiftgram/submodules/PeerInfoUI/Sources/ChannelDiscussionGroupSetupController.swift
2019-11-26 20:44:48 +04:00

626 lines
32 KiB
Swift

import Foundation
import UIKit
import Display
import SwiftSignalKit
import Postbox
import TelegramCore
import SyncCore
import TelegramPresentationData
import TelegramUIPreferences
import ItemListUI
import PresentationDataUtils
import OverlayStatusController
import AccountContext
import AlertUI
import PresentationDataUtils
import ItemListPeerItem
import ItemListPeerActionItem
private final class ChannelDiscussionGroupSetupControllerArguments {
let account: Account
let createGroup: () -> Void
let selectGroup: (PeerId) -> Void
let unlinkGroup: () -> Void
init(account: Account, createGroup: @escaping () -> Void, selectGroup: @escaping (PeerId) -> Void, unlinkGroup: @escaping () -> Void) {
self.account = account
self.createGroup = createGroup
self.selectGroup = selectGroup
self.unlinkGroup = unlinkGroup
}
}
private enum ChannelDiscussionGroupSetupControllerSection: Int32 {
case header
case groups
case unlink
}
private enum ChannelDiscussionGroupSetupControllerEntryStableId: Hashable {
case id(Int)
case peer(PeerId)
}
private enum ChannelDiscussionGroupSetupControllerEntry: ItemListNodeEntry {
case header(PresentationTheme, PresentationStrings, String?, Bool, String)
case create(PresentationTheme, String)
case group(Int, PresentationTheme, PresentationStrings, Peer, PresentationPersonNameOrder)
case groupsInfo(PresentationTheme, String)
case unlink(PresentationTheme, String)
var section: Int32 {
switch self {
case .header:
return ChannelDiscussionGroupSetupControllerSection.header.rawValue
case .create, .group, .groupsInfo:
return ChannelDiscussionGroupSetupControllerSection.groups.rawValue
case .unlink:
return ChannelDiscussionGroupSetupControllerSection.unlink.rawValue
}
}
var stableId: ChannelDiscussionGroupSetupControllerEntryStableId {
switch self {
case .header:
return .id(0)
case .create:
return .id(1)
case let .group(_, _, _, peer, _):
return .peer(peer.id)
case .groupsInfo:
return .id(2)
case .unlink:
return .id(3)
}
}
static func ==(lhs: ChannelDiscussionGroupSetupControllerEntry, rhs: ChannelDiscussionGroupSetupControllerEntry) -> Bool {
switch lhs {
case let .header(lhsTheme, lhsStrings, lhsTitle, lhsIsGroup, lhsLabel):
if case let .header(rhsTheme, rhsStrings, rhsTitle, rhsIsGroup, rhsLabel) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsTitle == rhsTitle, lhsIsGroup == rhsIsGroup, lhsLabel == rhsLabel {
return true
} else {
return false
}
case let .create(lhsTheme, lhsTitle):
if case let .create(rhsTheme, rhsTitle) = rhs, lhsTheme === rhsTheme, lhsTitle == rhsTitle {
return true
} else {
return false
}
case let .group(lhsIndex, lhsTheme, lhsStrings, lhsPeer, lhsNameOrder):
if case let .group(rhsIndex, rhsTheme, rhsStrings, rhsPeer, rhsNameOrder) = rhs, lhsIndex == rhsIndex, lhsTheme === rhsTheme, lhsStrings == rhsStrings, lhsPeer.isEqual(rhsPeer), lhsNameOrder == rhsNameOrder {
return true
} else {
return false
}
case let .groupsInfo(lhsTheme, lhsTitle):
if case let .groupsInfo(rhsTheme, rhsTitle) = rhs, lhsTheme === rhsTheme, lhsTitle == rhsTitle {
return true
} else {
return false
}
case let .unlink(lhsTheme, lhsTitle):
if case let .unlink(rhsTheme, rhsTitle) = rhs, lhsTheme === rhsTheme, lhsTitle == rhsTitle {
return true
} else {
return false
}
}
}
private var sortIndex: Int {
switch self {
case .header:
return 0
case .create:
return 1
case let .group(index, _, _, _, _):
return 10 + index
case .groupsInfo:
return 1000
case .unlink:
return 1001
}
}
static func <(lhs: ChannelDiscussionGroupSetupControllerEntry, rhs: ChannelDiscussionGroupSetupControllerEntry) -> Bool {
return lhs.sortIndex < rhs.sortIndex
}
func item(presentationData: ItemListPresentationData, arguments: Any) -> ListViewItem {
let arguments = arguments as! ChannelDiscussionGroupSetupControllerArguments
switch self {
case let .header(theme, strings, title, isGroup, label):
return ChannelDiscussionGroupSetupHeaderItem(theme: theme, strings: strings, title: title, isGroup: isGroup, label: label, sectionId: self.section)
case let .create(theme, text):
return ItemListPeerActionItem(presentationData: presentationData, icon: PresentationResourcesItemList.plusIconImage(theme), title: text, sectionId: self.section, editing: false, action: {
arguments.createGroup()
})
case let .group(_, theme, strings, peer, nameOrder):
let text: String
if let peer = peer as? TelegramChannel, let addressName = peer.addressName, !addressName.isEmpty {
text = "@\(addressName)"
} else {
text = strings.Channel_DiscussionGroup_PrivateGroup
}
return ItemListPeerItem(presentationData: presentationData, dateTimeFormat: PresentationDateTimeFormat(timeFormat: .regular, dateFormat: .monthFirst, dateSeparator: ".", decimalSeparator: ".", groupingSeparator: "."), nameDisplayOrder: nameOrder, account: arguments.account, peer: peer, aliasHandling: .standard, nameStyle: .plain, presence: nil, text: .text(text), label: .none, editing: ItemListPeerItemEditing(editable: false, editing: false, revealed: false), revealOptions: nil, switchValue: nil, enabled: true, selectable: true, sectionId: self.section, action: {
arguments.selectGroup(peer.id)
}, setPeerIdWithRevealedOptions: { _, _ in }, removePeer: { _ in })
case let .groupsInfo(theme, title):
return ItemListTextItem(presentationData: presentationData, text: .plain(title), sectionId: self.section)
case let .unlink(theme, title):
return ItemListActionItem(presentationData: presentationData, title: title, kind: .destructive, alignment: .center, sectionId: self.section, style: .blocks, action: {
arguments.unlinkGroup()
})
}
}
}
private func channelDiscussionGroupSetupControllerEntries(presentationData: PresentationData, view: PeerView, groups: [Peer]?) -> [ChannelDiscussionGroupSetupControllerEntry] {
guard let peer = view.peers[view.peerId] as? TelegramChannel, let cachedData = view.cachedData as? CachedChannelData else {
return []
}
let canEditChannel = peer.hasPermission(.changeInfo)
var entries: [ChannelDiscussionGroupSetupControllerEntry] = []
if let linkedDiscussionPeerId = cachedData.linkedDiscussionPeerId {
if let group = view.peers[linkedDiscussionPeerId] {
if case .group = peer.info {
entries.append(.header(presentationData.theme, presentationData.strings, group.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder), true, presentationData.strings.Channel_DiscussionGroup_HeaderLabel))
} else {
entries.append(.header(presentationData.theme, presentationData.strings, group.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder), false, presentationData.strings.Channel_DiscussionGroup_HeaderLabel))
}
entries.append(.group(0, presentationData.theme, presentationData.strings, group, presentationData.nameDisplayOrder))
entries.append(.groupsInfo(presentationData.theme, presentationData.strings.Channel_DiscussionGroup_Info))
if canEditChannel {
let unlinkText: String
if case .group = peer.info {
unlinkText = presentationData.strings.Channel_DiscussionGroup_UnlinkChannel
} else {
unlinkText = presentationData.strings.Channel_DiscussionGroup_UnlinkGroup
}
entries.append(.unlink(presentationData.theme, unlinkText))
}
}
} else if case .broadcast = peer.info, canEditChannel {
if let groups = groups {
entries.append(.header(presentationData.theme, presentationData.strings, nil, true, presentationData.strings.Channel_DiscussionGroup_HeaderLabel))
entries.append(.create(presentationData.theme, presentationData.strings.Channel_DiscussionGroup_Create))
var index = 0
for group in groups {
entries.append(.group(index, presentationData.theme, presentationData.strings, group, presentationData.nameDisplayOrder))
index += 1
}
entries.append(.groupsInfo(presentationData.theme, presentationData.strings.Channel_DiscussionGroup_Info))
}
}
return entries
}
private struct ChannelDiscussionGroupSetupControllerState: Equatable {
var searching: Bool = false
}
public func channelDiscussionGroupSetupController(context: AccountContext, peerId: PeerId) -> ViewController {
let statePromise = ValuePromise(ChannelDiscussionGroupSetupControllerState(), ignoreRepeated: true)
let stateValue = Atomic(value: ChannelDiscussionGroupSetupControllerState())
let updateState: ((ChannelDiscussionGroupSetupControllerState) -> ChannelDiscussionGroupSetupControllerState) -> Void = { f in
statePromise.set(stateValue.modify { f($0) })
}
let groupPeers = Promise<[Peer]?>()
groupPeers.set(.single(nil)
|> then(
availableGroupsForChannelDiscussion(postbox: context.account.postbox, network: context.account.network)
|> map(Optional.init)
|> `catch` { _ -> Signal<[Peer]?, NoError> in
return .single(nil)
}
))
let peerView = context.account.viewTracker.peerView(peerId)
var dismissImpl: (() -> Void)?
var dismissInputImpl: (() -> Void)?
var pushControllerImpl: ((ViewController) -> Void)?
var presentControllerImpl: ((ViewController, Any?) -> Void)?
var navigateToGroupImpl: ((PeerId) -> Void)?
let actionsDisposable = DisposableSet()
let applyGroupDisposable = MetaDisposable()
actionsDisposable.add(applyGroupDisposable)
let arguments = ChannelDiscussionGroupSetupControllerArguments(account: context.account, createGroup: {
let _ = (context.account.postbox.transaction { transaction -> Peer? in
transaction.getPeer(peerId)
}
|> deliverOnMainQueue).start(next: { peer in
guard let peer = peer else {
return
}
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
pushControllerImpl?(context.sharedContext.makeCreateGroupController(context: context, peerIds: [], initialTitle: peer.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder) + " Chat", mode: .supergroup, completion: { groupId, dismiss in
var applySignal = updateGroupDiscussionForChannel(network: context.account.network, postbox: context.account.postbox, channelId: peerId, groupId: groupId)
var cancelImpl: (() -> Void)?
let progressSignal = Signal<Never, NoError> { subscriber in
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let controller = OverlayStatusController(theme: presentationData.theme, type: .loading(cancelled: {
cancelImpl?()
}))
presentControllerImpl?(controller, nil)
return ActionDisposable { [weak controller] in
Queue.mainQueue().async() {
controller?.dismiss()
}
}
}
|> runOn(Queue.mainQueue())
|> delay(0.15, queue: Queue.mainQueue())
let progressDisposable = progressSignal.start()
applySignal = applySignal
|> afterDisposed {
Queue.mainQueue().async {
progressDisposable.dispose()
}
}
cancelImpl = {
applyGroupDisposable.set(nil)
}
applyGroupDisposable.set((applySignal
|> deliverOnMainQueue).start(error: { _ in
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
presentControllerImpl?(textAlertController(context: context, title: nil, text: presentationData.strings.Login_UnknownError, actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), nil)
dismiss()
}, completed: {
dismiss()
/*let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let controller = OverlayStatusController(theme: presentationData.theme, type: .success)
presentControllerImpl?(controller, nil)*/
}))
}))
})
}, selectGroup: { groupId in
dismissInputImpl?()
let _ = (context.account.postbox.transaction { transaction -> (CachedChannelData?, Peer?, Peer?) in
return (transaction.getPeerCachedData(peerId: peerId) as? CachedChannelData, transaction.getPeer(peerId), transaction.getPeer(groupId))
}
|> deliverOnMainQueue).start(next: { cachedData, channelPeer, groupPeer in
guard let cachedData = cachedData, let channelPeer = channelPeer, let groupPeer = groupPeer else {
return
}
if groupId == cachedData.linkedDiscussionPeerId {
navigateToGroupImpl?(groupId)
return
}
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let actionSheet = ActionSheetController(presentationData: presentationData)
actionSheet.setItemGroups([ActionSheetItemGroup(items: [
ChannelDiscussionGroupActionSheetItem(context: context, channelPeer: channelPeer, groupPeer: groupPeer, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder),
ActionSheetButtonItem(title: presentationData.strings.Channel_DiscussionGroup_LinkGroup, color: .accent, action: { [weak actionSheet] in
actionSheet?.dismissAnimated()
var applySignal: Signal<Bool, ChannelDiscussionGroupError>
var updatedPeerId: PeerId? = nil
if let legacyGroup = groupPeer as? TelegramGroup {
applySignal = convertGroupToSupergroup(account: context.account, peerId: legacyGroup.id)
|> mapError { _ -> ChannelDiscussionGroupError in
return .generic
}
|> deliverOnMainQueue
|> mapToSignal { resultPeerId -> Signal<Bool, ChannelDiscussionGroupError> in
updatedPeerId = resultPeerId
return context.account.postbox.transaction { transaction -> Signal<Bool, ChannelDiscussionGroupError> in
if let groupPeer = transaction.getPeer(resultPeerId) {
let _ = (groupPeers.get()
|> take(1)
|> deliverOnMainQueue).start(next: { groups in
guard var groups = groups else {
return
}
for i in 0 ..< groups.count {
if groups[i].id == groupId {
groups[i] = groupPeer
break
}
}
groupPeers.set(.single(groups))
})
}
return updateGroupDiscussionForChannel(network: context.account.network, postbox: context.account.postbox, channelId: peerId, groupId: resultPeerId)
}
|> castError(ChannelDiscussionGroupError.self)
|> switchToLatest
}
} else {
applySignal = updateGroupDiscussionForChannel(network: context.account.network, postbox: context.account.postbox, channelId: peerId, groupId: groupId)
}
var cancelImpl: (() -> Void)?
let progressSignal = Signal<Never, NoError> { subscriber in
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let controller = OverlayStatusController(theme: presentationData.theme, type: .loading(cancelled: {
cancelImpl?()
}))
presentControllerImpl?(controller, nil)
return ActionDisposable { [weak controller] in
Queue.mainQueue().async() {
controller?.dismiss()
}
}
}
|> runOn(Queue.mainQueue())
|> delay(0.15, queue: Queue.mainQueue())
let progressDisposable = progressSignal.start()
applySignal = applySignal
|> afterDisposed {
Queue.mainQueue().async {
progressDisposable.dispose()
}
}
cancelImpl = {
applyGroupDisposable.set(nil)
}
applyGroupDisposable.set((applySignal
|> deliverOnMainQueue).start(error: { error in
switch error {
case .generic, .hasNotPermissions:
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
presentControllerImpl?(textAlertController(context: context, title: nil, text: presentationData.strings.Login_UnknownError, actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), nil)
updateState { state in
var state = state
state.searching = false
return state
}
case .hasNotPermissions:
//TODO process error
break
case .groupHistoryIsCurrentlyPrivate:
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
presentControllerImpl?(textAlertController(context: context, title: nil, text: presentationData.strings.Channel_DiscussionGroup_MakeHistoryPublic, actions: [TextAlertAction(type: .genericAction, title: presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .defaultAction, title: presentationData.strings.Channel_DiscussionGroup_MakeHistoryPublicProceed, action: {
var applySignal: Signal<Bool, ChannelDiscussionGroupError> = updateChannelHistoryAvailabilitySettingsInteractively(postbox: context.account.postbox, network: context.account.network, accountStateManager: context.account.stateManager, peerId: updatedPeerId ?? groupId, historyAvailableForNewMembers: true)
|> mapError { _ -> ChannelDiscussionGroupError in
return .generic
}
|> mapToSignal { _ -> Signal<Bool, ChannelDiscussionGroupError> in
return .complete()
}
|> then(
updateGroupDiscussionForChannel(network: context.account.network, postbox: context.account.postbox, channelId: peerId, groupId: updatedPeerId ?? groupId)
)
var cancelImpl: (() -> Void)?
let progressSignal = Signal<Never, NoError> { subscriber in
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let controller = OverlayStatusController(theme: presentationData.theme, type: .loading(cancelled: {
cancelImpl?()
}))
presentControllerImpl?(controller, nil)
return ActionDisposable { [weak controller] in
Queue.mainQueue().async() {
controller?.dismiss()
}
}
}
|> runOn(Queue.mainQueue())
|> delay(0.15, queue: Queue.mainQueue())
let progressDisposable = progressSignal.start()
applySignal = applySignal
|> afterDisposed {
Queue.mainQueue().async {
progressDisposable.dispose()
}
}
cancelImpl = {
applyGroupDisposable.set(nil)
}
applyGroupDisposable.set((applySignal
|> deliverOnMainQueue).start(error: { _ in
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
presentControllerImpl?(textAlertController(context: context, title: nil, text: presentationData.strings.Login_UnknownError, actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), nil)
updateState { state in
var state = state
state.searching = false
return state
}
}, completed: {
updateState { state in
var state = state
state.searching = false
return state
}
}))
})]), nil)
}
}, completed: {
updateState { state in
var state = state
state.searching = false
return state
}
}))
})
]), ActionSheetItemGroup(items: [
ActionSheetButtonItem(title: presentationData.strings.Common_Cancel, color: .accent, font: .bold, action: { [weak actionSheet] in
actionSheet?.dismissAnimated()
})
])])
presentControllerImpl?(actionSheet, nil)
})
}, unlinkGroup: {
let _ = (context.account.postbox.transaction { transaction -> (CachedChannelData?, Peer?) in
return (transaction.getPeerCachedData(peerId: peerId) as? CachedChannelData, transaction.getPeer(peerId))
}
|> deliverOnMainQueue).start(next: { cachedData, peer in
guard let cachedData = cachedData, let peer = peer as? TelegramChannel else {
return
}
let applyPeerId: PeerId
if case .broadcast = peer.info {
applyPeerId = peerId
} else if let linkedDiscussionPeerId = cachedData.linkedDiscussionPeerId {
applyPeerId = linkedDiscussionPeerId
} else {
return
}
var applySignal = updateGroupDiscussionForChannel(network: context.account.network, postbox: context.account.postbox, channelId: applyPeerId, groupId: nil)
var cancelImpl: (() -> Void)?
let progressSignal = Signal<Never, NoError> { subscriber in
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let controller = OverlayStatusController(theme: presentationData.theme, type: .loading(cancelled: {
cancelImpl?()
}))
presentControllerImpl?(controller, nil)
return ActionDisposable { [weak controller] in
Queue.mainQueue().async() {
controller?.dismiss()
}
}
}
|> runOn(Queue.mainQueue())
|> delay(0.15, queue: Queue.mainQueue())
let progressDisposable = progressSignal.start()
applySignal = applySignal
|> afterDisposed {
Queue.mainQueue().async {
progressDisposable.dispose()
}
}
cancelImpl = {
applyGroupDisposable.set(nil)
}
applyGroupDisposable.set((applySignal
|> deliverOnMainQueue).start(error: { _ in
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
presentControllerImpl?(textAlertController(context: context, title: nil, text: presentationData.strings.Login_UnknownError, actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), nil)
}, completed: {
if case .group = peer.info {
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let controller = OverlayStatusController(theme: presentationData.theme, type: .success)
presentControllerImpl?(controller, nil)
dismissImpl?()
}
}))
})
})
var wasEmpty: Bool?
let signal = combineLatest(queue: .mainQueue(), context.sharedContext.presentationData, statePromise.get(), peerView, groupPeers.get())
|> deliverOnMainQueue
|> map { presentationData, state, view, groups -> (ItemListControllerState, (ItemListNodeState, Any)) in
let title: String
if let peer = view.peers[view.peerId] as? TelegramChannel, case .broadcast = peer.info {
title = presentationData.strings.Channel_DiscussionGroup
} else {
title = presentationData.strings.Group_LinkedChannel
}
var crossfade = false
var isEmptyState = false
var displayGroupList = false
if let cachedData = view.cachedData as? CachedChannelData {
let isEmpty = cachedData.linkedDiscussionPeerId == nil
if let peer = view.peers[view.peerId] as? TelegramChannel, case .broadcast = peer.info {
if cachedData.linkedDiscussionPeerId == nil {
if groups == nil {
isEmptyState = true
} else {
displayGroupList = true
}
}
}
if let wasEmpty = wasEmpty, wasEmpty != isEmpty {
crossfade = true
}
wasEmpty = isEmpty
} else {
isEmptyState = true
}
var emptyStateItem: ItemListControllerEmptyStateItem?
if isEmptyState {
emptyStateItem = ItemListLoadingIndicatorEmptyStateItem(theme: presentationData.theme)
}
var rightNavigationButton: ItemListNavigationButton?
var searchItem: ItemListControllerSearch?
if let groups = groups, groups.count >= 10, displayGroupList {
if state.searching {
searchItem = ChannelDiscussionGroupSetupSearchItem(context: context, peers: groups, cancel: {
updateState { state in
var state = state
state.searching = false
return state
}
}, dismissInput: {
dismissInputImpl?()
}, openPeer: { peer in
arguments.selectGroup(peer.id)
})
} else {
rightNavigationButton = ItemListNavigationButton(content: .icon(.search), style: .regular, enabled: true, action: {
updateState { state in
var state = state
state.searching = true
return state
}
})
}
}
let controllerState = ItemListControllerState(presentationData: ItemListPresentationData(presentationData), title: .text(title), leftNavigationButton: nil, rightNavigationButton: rightNavigationButton, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back), animateChanges: false)
let listState = ItemListNodeState(presentationData: ItemListPresentationData(presentationData), entries: channelDiscussionGroupSetupControllerEntries(presentationData: presentationData, view: view, groups: groups), style: .blocks, emptyStateItem: emptyStateItem, searchItem: searchItem, crossfadeState: crossfade, animateChanges: false)
return (controllerState, (listState, arguments))
}
|> afterDisposed {
actionsDisposable.dispose()
}
let controller = ItemListController(context: context, state: signal)
dismissImpl = { [weak controller] in
if let controller = controller {
(controller.navigationController as? NavigationController)?.filterController(controller, animated: true)
}
}
dismissInputImpl = { [weak controller] in
controller?.view.endEditing(true)
}
pushControllerImpl = { [weak controller] c in
(controller?.navigationController as? NavigationController)?.pushViewController(c)
}
presentControllerImpl = { [weak controller] c, a in
controller?.present(c, in: .window(.root), with: a)
}
navigateToGroupImpl = { [weak controller] groupId in
guard let navigationController = controller?.navigationController as? NavigationController else {
return
}
context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: navigationController, context: context, chatLocation: .peer(groupId), keepStack: .always))
}
return controller
}