mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
707 lines
34 KiB
Swift
707 lines
34 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Display
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import Postbox
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import TelegramCore
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import SwiftSignalKit
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import TelegramPresentationData
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import TelegramUIPreferences
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import MergeLists
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import AccountContext
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import TemporaryCachedPeerDataManager
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import SearchBarNode
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import ContactsPeerItem
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import SearchUI
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import ItemListUI
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import ContactListUI
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import ChatListSearchItemHeader
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private final class ChannelMembersSearchInteraction {
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let openPeer: (Peer, RenderedChannelParticipant?) -> Void
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let copyInviteLink: () -> Void
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init(
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openPeer: @escaping (Peer, RenderedChannelParticipant?) -> Void,
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copyInviteLink: @escaping () -> Void
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) {
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self.openPeer = openPeer
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self.copyInviteLink = copyInviteLink
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}
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}
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private enum ChannelMembersSearchEntryId: Hashable {
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case copyInviteLink
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case peer(PeerId)
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case contact(PeerId)
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}
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private enum ChannelMembersSearchEntry: Comparable, Identifiable {
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case copyInviteLink
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case peer(Int, RenderedChannelParticipant, ContactsPeerItemEditing, String?, Bool)
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case contact(Int, Peer, TelegramUserPresence?)
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var stableId: ChannelMembersSearchEntryId {
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switch self {
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case .copyInviteLink:
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return .copyInviteLink
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case let .peer(_, participant, _, _, _):
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return .peer(participant.peer.id)
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case let .contact(_, peer, _):
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return .contact(peer.id)
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}
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}
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static func ==(lhs: ChannelMembersSearchEntry, rhs: ChannelMembersSearchEntry) -> Bool {
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switch lhs {
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case .copyInviteLink:
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if case .copyInviteLink = rhs {
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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 .peer(lhsIndex, lhsParticipant, lhsEditing, lhsLabel, lhsEnabled):
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if case .peer(lhsIndex, lhsParticipant, lhsEditing, lhsLabel, lhsEnabled) = rhs {
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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 .contact(lhsIndex, lhsPeer, lhsPresence):
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if case let .contact(rhsIndex, rhsPeer, rhsPresence) = rhs {
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if lhsIndex != rhsIndex {
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return false
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}
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if !lhsPeer.isEqual(rhsPeer) {
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return false
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}
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if lhsPresence != rhsPresence {
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return false
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}
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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: ChannelMembersSearchEntry, rhs: ChannelMembersSearchEntry) -> Bool {
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switch lhs {
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case .copyInviteLink:
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if case .copyInviteLink = rhs {
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return false
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} else {
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return true
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}
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case let .peer(lhsIndex, _, _, _, _):
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if case .copyInviteLink = rhs {
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return false
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} else if case let .peer(rhsIndex, _, _, _, _) = rhs {
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return lhsIndex < rhsIndex
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} else if case .contact = rhs {
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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 .contact(lhsIndex, _, _):
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if case .copyInviteLink = rhs {
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return false
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} else if case .peer = rhs {
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return false
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} else if case let .contact(rhsIndex, _, _) = rhs {
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return lhsIndex < rhsIndex
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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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func item(context: AccountContext, presentationData: PresentationData, nameSortOrder: PresentationPersonNameOrder, nameDisplayOrder: PresentationPersonNameOrder, interaction: ChannelMembersSearchInteraction) -> ListViewItem {
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switch self {
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case .copyInviteLink:
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let icon: ContactListActionItemIcon
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if let iconImage = generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Link"), color: presentationData.theme.list.itemAccentColor) {
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icon = .generic(iconImage)
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} else {
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icon = .none
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}
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return ContactListActionItem(presentationData: ItemListPresentationData(presentationData), title: presentationData.strings.VoiceChat_CopyInviteLink, icon: icon, clearHighlightAutomatically: true, header: nil, action: {
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interaction.copyInviteLink()
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})
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case let .peer(_, participant, editing, label, enabled):
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let status: ContactsPeerItemStatus
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if let label = label {
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status = .custom(string: label, multiline: false)
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} else if participant.peer.id != context.account.peerId {
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let presence = participant.presences[participant.peer.id] ?? TelegramUserPresence(status: .none, lastActivity: 0)
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status = .presence(presence, presentationData.dateTimeFormat)
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} else {
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status = .none
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}
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return ContactsPeerItem(presentationData: ItemListPresentationData(presentationData), sortOrder: nameSortOrder, displayOrder: nameDisplayOrder, context: context, peerMode: .peer, peer: .peer(peer: participant.peer, chatPeer: nil), status: status, enabled: enabled, selection: .none, editing: editing, index: nil, header: ChatListSearchItemHeader(type: .groupMembers, theme: presentationData.theme, strings: presentationData.strings), action: { _ in
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interaction.openPeer(participant.peer, participant)
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})
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case let .contact(_, peer, presence):
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let status: ContactsPeerItemStatus
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if peer.id != context.account.peerId, let presence = presence {
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status = .presence(presence, presentationData.dateTimeFormat)
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} else {
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status = .none
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}
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return ContactsPeerItem(presentationData: ItemListPresentationData(presentationData), sortOrder: nameSortOrder, displayOrder: nameDisplayOrder, context: context, peerMode: .peer, peer: .peer(peer: peer, chatPeer: nil), status: status, enabled: true, selection: .none, editing: ContactsPeerItemEditing(editable: false, editing: false, revealed: false), index: nil, header: ChatListSearchItemHeader(type: .contacts, theme: presentationData.theme, strings: presentationData.strings), action: { _ in
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interaction.openPeer(peer, nil)
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})
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}
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}
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}
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private struct ChannelMembersSearchTransition {
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let deletions: [ListViewDeleteItem]
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let insertions: [ListViewInsertItem]
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let updates: [ListViewUpdateItem]
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let initial: Bool
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}
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private func preparedTransition(from fromEntries: [ChannelMembersSearchEntry]?, to toEntries: [ChannelMembersSearchEntry], context: AccountContext, presentationData: PresentationData, nameSortOrder: PresentationPersonNameOrder, nameDisplayOrder: PresentationPersonNameOrder, interaction: ChannelMembersSearchInteraction) -> ChannelMembersSearchTransition {
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let (deleteIndices, indicesAndItems, updateIndices) = mergeListsStableWithUpdates(leftList: fromEntries ?? [], rightList: toEntries)
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let deletions = deleteIndices.map { ListViewDeleteItem(index: $0, directionHint: nil) }
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let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, nameSortOrder: nameSortOrder, nameDisplayOrder: nameDisplayOrder, interaction: interaction), directionHint: nil) }
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let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, nameSortOrder: nameSortOrder, nameDisplayOrder: nameDisplayOrder, interaction: interaction), directionHint: nil) }
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return ChannelMembersSearchTransition(deletions: deletions, insertions: insertions, updates: updates, initial: fromEntries == nil)
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}
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class ChannelMembersSearchControllerNode: ASDisplayNode {
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private let context: AccountContext
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private let peerId: PeerId
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private let mode: ChannelMembersSearchControllerMode
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private let filters: [ChannelMembersSearchFilter]
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let listNode: ListView
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var navigationBar: NavigationBar?
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private var enqueuedTransitions: [ChannelMembersSearchTransition] = []
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private(set) var searchDisplayController: SearchDisplayController?
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private var containerLayout: (ContainerViewLayout, CGFloat)?
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var requestActivateSearch: (() -> Void)?
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var requestDeactivateSearch: (() -> Void)?
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var requestOpenPeerFromSearch: ((Peer, RenderedChannelParticipant?) -> Void)?
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var requestCopyInviteLink: (() -> Void)?
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var pushController: ((ViewController) -> Void)?
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private let forceTheme: PresentationTheme?
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var presentationData: PresentationData
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private var disposable: Disposable?
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private var listControl: PeerChannelMemberCategoryControl?
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init(context: AccountContext, presentationData: PresentationData, forceTheme: PresentationTheme?, peerId: PeerId, mode: ChannelMembersSearchControllerMode, filters: [ChannelMembersSearchFilter]) {
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self.context = context
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self.listNode = ListView()
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self.peerId = peerId
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self.mode = mode
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self.filters = filters
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self.presentationData = presentationData
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self.forceTheme = forceTheme
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if let forceTheme = forceTheme {
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self.presentationData = self.presentationData.withUpdated(theme: forceTheme)
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}
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self.listNode.accessibilityPageScrolledString = { row, count in
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return presentationData.strings.VoiceOver_ScrollStatus(row, count).string
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}
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super.init()
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self.setViewBlock({
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return UITracingLayerView()
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})
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self.backgroundColor = self.presentationData.theme.chatList.backgroundColor
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self.addSubnode(self.listNode)
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let interaction = ChannelMembersSearchInteraction(
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openPeer: { [weak self] peer, participant in
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self?.requestOpenPeerFromSearch?(peer, participant)
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self?.listNode.clearHighlightAnimated(true)
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},
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copyInviteLink: { [weak self] in
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self?.requestCopyInviteLink?()
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self?.listNode.clearHighlightAnimated(true)
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}
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)
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let previousEntries = Atomic<[ChannelMembersSearchEntry]?>(value: nil)
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let disposableAndLoadMoreControl: (Disposable, PeerChannelMemberCategoryControl?)
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let additionalDisposable = MetaDisposable()
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if peerId.namespace == Namespaces.Peer.CloudGroup {
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let disposable = combineLatest(queue: Queue.mainQueue(), context.account.postbox.peerView(id: peerId), context.account.postbox.contactPeersView(accountPeerId: context.account.peerId, includePresences: true)).start(next: { [weak self] peerView, contactsView in
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guard let strongSelf = self else {
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return
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}
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guard let cachedData = peerView.cachedData as? CachedGroupData, let participants = cachedData.participants else {
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return
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}
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var creatorPeer: Peer?
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for participant in participants.participants {
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if let peer = peerView.peers[participant.peerId] {
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switch participant {
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case .creator:
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creatorPeer = peer
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default:
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break
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}
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}
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}
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guard let creator = creatorPeer else {
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return
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}
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var entries: [ChannelMembersSearchEntry] = []
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var canInviteByLink = false
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if let peer = peerViewMainPeer(peerView) {
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if !(peer.addressName?.isEmpty ?? true) {
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canInviteByLink = true
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} else if let peer = peer as? TelegramChannel {
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if peer.flags.contains(.isCreator) || (peer.adminRights?.rights.contains(.canInviteUsers) == true) {
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canInviteByLink = true
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}
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} else if let peer = peer as? TelegramGroup {
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if case .creator = peer.role {
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canInviteByLink = true
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} else if case let .admin(rights, _) = peer.role, rights.rights.contains(.canInviteUsers) {
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canInviteByLink = true
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}
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}
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}
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if case .inviteToCall = mode, canInviteByLink,
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!filters.contains(where: { filter in
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if case .excludeNonMembers = filter {
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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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entries.append(.copyInviteLink)
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}
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var index = 0
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for participant in participants.participants {
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guard let peer = peerView.peers[participant.peerId] else {
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continue
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}
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if peer.isDeleted {
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continue
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}
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var label: String?
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var enabled = true
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switch mode {
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case .ban:
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if peer.id == context.account.peerId {
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continue
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}
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for filter in filters {
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switch filter {
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case let .exclude(ids):
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if ids.contains(peer.id) {
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continue
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}
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case let .disable(ids):
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if ids.contains(peer.id) {
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enabled = false
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}
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case .excludeNonMembers:
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break
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case .excludeBots:
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if let user = peer as? TelegramUser, user.botInfo != nil {
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continue
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}
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}
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}
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case .promote:
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if peer.id == context.account.peerId {
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continue
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}
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for filter in filters {
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switch filter {
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case let .exclude(ids):
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if ids.contains(peer.id) {
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continue
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}
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case let .disable(ids):
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if ids.contains(peer.id) {
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enabled = false
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}
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case .excludeNonMembers:
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break
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case .excludeBots:
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if let user = peer as? TelegramUser, user.botInfo != nil {
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continue
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}
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}
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}
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if case .creator = participant {
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label = strongSelf.presentationData.strings.Channel_Management_LabelOwner
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enabled = false
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}
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case .inviteToCall:
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if peer.id == context.account.peerId {
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continue
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}
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if let user = peer as? TelegramUser, user.botInfo != nil || user.flags.contains(.isSupport) {
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continue
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}
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for filter in filters {
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switch filter {
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case let .exclude(ids):
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if ids.contains(peer.id) {
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continue
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}
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case let .disable(ids):
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if ids.contains(peer.id) {
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enabled = false
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}
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case .excludeNonMembers:
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break
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case .excludeBots:
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if let user = peer as? TelegramUser, user.botInfo != nil {
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continue
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}
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}
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}
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}
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let renderedParticipant: RenderedChannelParticipant
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switch participant {
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case .creator:
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renderedParticipant = RenderedChannelParticipant(participant: .creator(id: peer.id, adminInfo: nil, rank: nil), peer: peer, presences: peerView.peerPresences)
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case .admin:
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var peers: [PeerId: Peer] = [:]
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peers[creator.id] = creator
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peers[peer.id] = peer
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renderedParticipant = RenderedChannelParticipant(participant: .member(id: peer.id, invitedAt: 0, adminInfo: ChannelParticipantAdminInfo(rights: TelegramChatAdminRights(rights: .groupSpecific), promotedBy: creator.id, canBeEditedByAccountPeer: creator.id == context.account.peerId), banInfo: nil, rank: nil), peer: peer, peers: peers, presences: peerView.peerPresences)
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case .member:
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var peers: [PeerId: Peer] = [:]
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peers[peer.id] = peer
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renderedParticipant = RenderedChannelParticipant(participant: .member(id: peer.id, invitedAt: 0, adminInfo: nil, banInfo: nil, rank: nil), peer: peer, peers: peers, presences: peerView.peerPresences)
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}
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entries.append(.peer(index, renderedParticipant, ContactsPeerItemEditing(editable: false, editing: false, revealed: false), label, enabled))
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index += 1
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}
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if case .inviteToCall = mode, !filters.contains(where: { filter in
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if case .excludeNonMembers = filter {
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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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for peer in contactsView.peers {
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entries.append(ChannelMembersSearchEntry.contact(index, peer, contactsView.peerPresences[peer.id] as? TelegramUserPresence))
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index += 1
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}
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}
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let previous = previousEntries.swap(entries)
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strongSelf.enqueueTransition(preparedTransition(from: previous, to: entries, context: context, presentationData: strongSelf.presentationData, nameSortOrder: strongSelf.presentationData.nameSortOrder, nameDisplayOrder: strongSelf.presentationData.nameDisplayOrder, interaction: interaction))
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})
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disposableAndLoadMoreControl = (disposable, nil)
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} else {
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let membersState = Promise<ChannelMemberListState>()
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disposableAndLoadMoreControl = context.peerChannelMemberCategoriesContextsManager.recent(engine: context.engine, postbox: context.account.postbox, network: context.account.network, accountPeerId: context.account.peerId, peerId: peerId, updated: { state in
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membersState.set(.single(state))
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})
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additionalDisposable.set((combineLatest(queue: .mainQueue(),
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membersState.get(),
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context.account.postbox.peerView(id: peerId),
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context.account.postbox.contactPeersView(accountPeerId: context.account.peerId, includePresences: true)
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).start(next: { [weak self] state, peerView, contactsView in
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guard let strongSelf = self else {
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return
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}
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var entries: [ChannelMembersSearchEntry] = []
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var canInviteByLink = false
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if let peer = peerViewMainPeer(peerView) {
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if !(peer.addressName?.isEmpty ?? true) {
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canInviteByLink = true
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} else if let peer = peer as? TelegramChannel {
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if peer.flags.contains(.isCreator) || (peer.adminRights?.rights.contains(.canInviteUsers) == true) {
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canInviteByLink = true
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}
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} else if let peer = peer as? TelegramGroup {
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if case .creator = peer.role {
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canInviteByLink = true
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} else if case let .admin(rights, _) = peer.role, rights.rights.contains(.canInviteUsers) {
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canInviteByLink = true
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}
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}
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}
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if case .inviteToCall = mode, canInviteByLink, !filters.contains(where: { filter in
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if case .excludeNonMembers = filter {
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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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entries.append(.copyInviteLink)
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}
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var index = 0
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participantsLoop: for participant in state.list {
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if participant.peer.isDeleted {
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continue participantsLoop
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}
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var label: String?
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var enabled = true
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switch mode {
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case .ban:
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if participant.peer.id == context.account.peerId {
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continue participantsLoop
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}
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for filter in filters {
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switch filter {
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case let .exclude(ids):
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if ids.contains(participant.peer.id) {
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continue participantsLoop
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}
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case let .disable(ids):
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if ids.contains(participant.peer.id) {
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enabled = false
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}
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case .excludeNonMembers:
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break
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case .excludeBots:
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if let user = participant.peer as? TelegramUser, user.botInfo != nil {
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continue participantsLoop
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}
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}
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}
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case .promote:
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if participant.peer.id == context.account.peerId {
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continue
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}
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for filter in filters {
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switch filter {
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case let .exclude(ids):
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if ids.contains(participant.peer.id) {
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continue participantsLoop
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}
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case let .disable(ids):
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if ids.contains(participant.peer.id) {
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|
enabled = false
|
|
}
|
|
case .excludeNonMembers:
|
|
break
|
|
case .excludeBots:
|
|
if let user = participant.peer as? TelegramUser, user.botInfo != nil {
|
|
continue participantsLoop
|
|
}
|
|
}
|
|
}
|
|
if case .creator = participant.participant {
|
|
label = strongSelf.presentationData.strings.Channel_Management_LabelOwner
|
|
enabled = false
|
|
}
|
|
case .inviteToCall:
|
|
if participant.peer.id == context.account.peerId {
|
|
continue
|
|
}
|
|
if let user = participant.peer as? TelegramUser, user.botInfo != nil || user.flags.contains(.isSupport) {
|
|
continue
|
|
}
|
|
for filter in filters {
|
|
switch filter {
|
|
case let .exclude(ids):
|
|
if ids.contains(participant.peer.id) {
|
|
continue participantsLoop
|
|
}
|
|
case let .disable(ids):
|
|
if ids.contains(participant.peer.id) {
|
|
enabled = false
|
|
}
|
|
case .excludeNonMembers:
|
|
break
|
|
case .excludeBots:
|
|
if let user = participant.peer as? TelegramUser, user.botInfo != nil {
|
|
continue participantsLoop
|
|
}
|
|
}
|
|
}
|
|
}
|
|
entries.append(.peer(index, participant, ContactsPeerItemEditing(editable: false, editing: false, revealed: false), label, enabled))
|
|
index += 1
|
|
}
|
|
|
|
if case .inviteToCall = mode, !filters.contains(where: { filter in
|
|
if case .excludeNonMembers = filter {
|
|
return true
|
|
} else {
|
|
return false
|
|
}
|
|
}) {
|
|
for peer in contactsView.peers {
|
|
entries.append(ChannelMembersSearchEntry.contact(index, peer, contactsView.peerPresences[peer.id] as? TelegramUserPresence))
|
|
index += 1
|
|
}
|
|
}
|
|
|
|
let previous = previousEntries.swap(entries)
|
|
|
|
strongSelf.enqueueTransition(preparedTransition(from: previous, to: entries, context: context, presentationData: strongSelf.presentationData, nameSortOrder: strongSelf.presentationData.nameSortOrder, nameDisplayOrder: strongSelf.presentationData.nameDisplayOrder, interaction: interaction))
|
|
})))
|
|
}
|
|
|
|
let combinedDisposable = DisposableSet()
|
|
combinedDisposable.add(disposableAndLoadMoreControl.0)
|
|
combinedDisposable.add(additionalDisposable)
|
|
|
|
self.disposable = combinedDisposable
|
|
self.listControl = disposableAndLoadMoreControl.1
|
|
|
|
if peerId.namespace == Namespaces.Peer.CloudChannel {
|
|
self.listNode.visibleBottomContentOffsetChanged = { offset in
|
|
if case let .known(value) = offset, value < 40.0 {
|
|
context.peerChannelMemberCategoriesContextsManager.loadMore(peerId: peerId, control: disposableAndLoadMoreControl.1)
|
|
}
|
|
}
|
|
}
|
|
|
|
self.listNode.beganInteractiveDragging = { [weak self] _ in
|
|
self?.view.endEditing(true)
|
|
}
|
|
}
|
|
|
|
deinit {
|
|
self.disposable?.dispose()
|
|
}
|
|
|
|
func updatePresentationData(_ presentationData: PresentationData) {
|
|
self.presentationData = presentationData
|
|
if let forceTheme = forceTheme {
|
|
self.presentationData = self.presentationData.withUpdated(theme: forceTheme)
|
|
}
|
|
self.searchDisplayController?.updatePresentationData(self.presentationData)
|
|
}
|
|
|
|
func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, actualNavigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
|
|
let hadValidLayout = self.containerLayout != nil
|
|
self.containerLayout = (layout, navigationBarHeight)
|
|
|
|
var insets = layout.insets(options: [.input])
|
|
insets.top += navigationBarHeight
|
|
|
|
var headerInsets = layout.insets(options: [.input])
|
|
headerInsets.top += actualNavigationBarHeight
|
|
|
|
self.listNode.bounds = CGRect(x: 0.0, y: 0.0, width: layout.size.width, height: layout.size.height)
|
|
self.listNode.position = CGPoint(x: layout.size.width / 2.0, y: layout.size.height / 2.0)
|
|
|
|
let (duration, curve) = listViewAnimationDurationAndCurve(transition: transition)
|
|
let updateSizeAndInsets = ListViewUpdateSizeAndInsets(size: layout.size, insets: insets, headerInsets: headerInsets, duration: duration, curve: curve)
|
|
|
|
self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: nil, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
|
|
|
|
if let searchDisplayController = self.searchDisplayController {
|
|
searchDisplayController.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: transition)
|
|
}
|
|
|
|
if !hadValidLayout {
|
|
while !self.enqueuedTransitions.isEmpty {
|
|
self.dequeueTransition()
|
|
}
|
|
}
|
|
}
|
|
|
|
func activateSearch(placeholderNode: SearchBarPlaceholderNode) {
|
|
guard let (containerLayout, navigationBarHeight) = self.containerLayout, let navigationBar = self.navigationBar, self.searchDisplayController == nil else {
|
|
return
|
|
}
|
|
|
|
self.searchDisplayController = SearchDisplayController(presentationData: self.presentationData, contentNode: ChannelMembersSearchContainerNode(context: self.context, forceTheme: self.forceTheme, peerId: self.peerId, mode: .banAndPromoteActions, filters: self.filters, searchContext: nil, openPeer: { [weak self] peer, participant in
|
|
self?.requestOpenPeerFromSearch?(peer, participant)
|
|
}, updateActivity: { value in
|
|
|
|
}, pushController: { [weak self] c in
|
|
self?.pushController?(c)
|
|
}), cancel: { [weak self] in
|
|
if let requestDeactivateSearch = self?.requestDeactivateSearch {
|
|
requestDeactivateSearch()
|
|
}
|
|
})
|
|
|
|
self.searchDisplayController?.containerLayoutUpdated(containerLayout, navigationBarHeight: navigationBarHeight, transition: .immediate)
|
|
self.searchDisplayController?.activate(insertSubnode: { [weak self, weak placeholderNode] subnode, isSearchBar in
|
|
if let strongSelf = self, let strongPlaceholderNode = placeholderNode {
|
|
if isSearchBar {
|
|
strongPlaceholderNode.supernode?.insertSubnode(subnode, aboveSubnode: strongPlaceholderNode)
|
|
} else {
|
|
strongSelf.insertSubnode(subnode, belowSubnode: navigationBar)
|
|
}
|
|
}
|
|
}, placeholder: placeholderNode)
|
|
}
|
|
|
|
func deactivateSearch(placeholderNode: SearchBarPlaceholderNode, animated: Bool) {
|
|
if let searchDisplayController = self.searchDisplayController {
|
|
searchDisplayController.deactivate(placeholder: placeholderNode)
|
|
self.searchDisplayController = nil
|
|
}
|
|
}
|
|
|
|
func animateIn() {
|
|
self.layer.animatePosition(from: CGPoint(x: self.layer.position.x, y: self.layer.position.y + self.layer.bounds.size.height), to: self.layer.position, duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring)
|
|
}
|
|
|
|
func animateOut(completion: (() -> Void)? = nil) {
|
|
self.layer.animatePosition(from: self.layer.position, to: CGPoint(x: self.layer.position.x, y: self.layer.position.y + self.layer.bounds.size.height), duration: 0.2, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, completion: { _ in
|
|
completion?()
|
|
})
|
|
}
|
|
|
|
private func enqueueTransition(_ transition: ChannelMembersSearchTransition) {
|
|
enqueuedTransitions.append(transition)
|
|
|
|
if self.containerLayout != nil {
|
|
while !self.enqueuedTransitions.isEmpty {
|
|
self.dequeueTransition()
|
|
}
|
|
}
|
|
}
|
|
|
|
private func dequeueTransition() {
|
|
if let transition = self.enqueuedTransitions.first {
|
|
self.enqueuedTransitions.remove(at: 0)
|
|
|
|
let options = ListViewDeleteAndInsertOptions()
|
|
if transition.initial {
|
|
//options.insert(.Synchronous)
|
|
//options.insert(.LowLatency)
|
|
} else {
|
|
//options.insert(.AnimateTopItemPosition)
|
|
//options.insert(.AnimateCrossfade)
|
|
}
|
|
|
|
self.listNode.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, updateSizeAndInsets: nil, updateOpaqueState: nil, completion: { _ in
|
|
})
|
|
}
|
|
}
|
|
|
|
func scrollToTop() {
|
|
self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
|
|
}
|
|
}
|