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https://github.com/Swiftgram/Telegram-iOS.git
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Refactor SettingsUI and related modules
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Peter
@@ -0,0 +1,320 @@
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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 TelegramUIPreferences
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import ItemListUI
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import AccountContext
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import ItemListPeerItem
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import ItemListPeerActionItem
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private final class BlockedPeersControllerArguments {
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let account: Account
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let setPeerIdWithRevealedOptions: (PeerId?, PeerId?) -> Void
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let addPeer: () -> Void
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let removePeer: (PeerId) -> Void
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let openPeer: (Peer) -> Void
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init(account: Account, setPeerIdWithRevealedOptions: @escaping (PeerId?, PeerId?) -> Void, addPeer: @escaping () -> Void, removePeer: @escaping (PeerId) -> Void, openPeer: @escaping (Peer) -> Void) {
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self.account = account
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self.setPeerIdWithRevealedOptions = setPeerIdWithRevealedOptions
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self.addPeer = addPeer
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self.removePeer = removePeer
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self.openPeer = openPeer
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}
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}
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private enum BlockedPeersSection: Int32 {
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case actions
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case peers
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}
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private enum BlockedPeersEntryStableId: Hashable {
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case add
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case peer(PeerId)
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}
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private enum BlockedPeersEntry: ItemListNodeEntry {
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case add(PresentationTheme, String)
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case peerItem(Int32, PresentationTheme, PresentationStrings, PresentationDateTimeFormat, PresentationPersonNameOrder, Peer, ItemListPeerItemEditing, Bool)
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var section: ItemListSectionId {
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switch self {
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case .add:
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return BlockedPeersSection.actions.rawValue
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case .peerItem:
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return BlockedPeersSection.peers.rawValue
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}
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}
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var stableId: BlockedPeersEntryStableId {
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switch self {
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case .add:
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return .add
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case let .peerItem(_, _, _, _, _, peer, _, _):
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return .peer(peer.id)
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}
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}
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static func ==(lhs: BlockedPeersEntry, rhs: BlockedPeersEntry) -> Bool {
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switch lhs {
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case let .add(lhsTheme, lhsText):
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if case let .add(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 .peerItem(lhsIndex, lhsTheme, lhsStrings, lhsDateTimeFormat, lhsNameOrder, lhsPeer, lhsEditing, lhsEnabled):
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if case let .peerItem(rhsIndex, rhsTheme, rhsStrings, rhsDateTimeFormat, rhsNameOrder, rhsPeer, rhsEditing, rhsEnabled) = rhs {
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if lhsIndex != rhsIndex {
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return false
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}
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if lhsTheme !== rhsTheme {
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return false
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}
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if lhsStrings !== rhsStrings {
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return false
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}
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if lhsDateTimeFormat != rhsDateTimeFormat {
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return false
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}
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if lhsNameOrder != rhsNameOrder {
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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 lhsEditing != rhsEditing {
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return false
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}
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if lhsEnabled != rhsEnabled {
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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: BlockedPeersEntry, rhs: BlockedPeersEntry) -> Bool {
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switch lhs {
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case .add:
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if case .add = 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 .peerItem(index, _, _, _, _, _, _, _):
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switch rhs {
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case .add:
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return false
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case let .peerItem(rhsIndex, _, _, _, _, _, _, _):
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return index < rhsIndex
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}
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}
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}
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func item(_ arguments: BlockedPeersControllerArguments) -> ListViewItem {
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switch self {
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case let .add(theme, text):
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return ItemListPeerActionItem(theme: theme, icon: PresentationResourcesItemList.addPersonIcon(theme), title: text, sectionId: self.section, editing: false, action: {
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arguments.addPeer()
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})
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case let .peerItem(_, theme, strings, dateTimeFormat, nameDisplayOrder, peer, editing, enabled):
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return ItemListPeerItem(theme: theme, strings: strings, dateTimeFormat: dateTimeFormat, nameDisplayOrder: nameDisplayOrder, account: arguments.account, peer: peer, presence: nil, text: .none, label: .none, editing: editing, switchValue: nil, enabled: enabled, selectable: true, sectionId: self.section, action: {
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arguments.openPeer(peer)
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}, setPeerIdWithRevealedOptions: { previousId, id in
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arguments.setPeerIdWithRevealedOptions(previousId, id)
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}, removePeer: { peerId in
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arguments.removePeer(peerId)
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})
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}
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}
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}
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private struct BlockedPeersControllerState: Equatable {
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let editing: Bool
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let peerIdWithRevealedOptions: PeerId?
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let removingPeerId: PeerId?
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init() {
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self.editing = false
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self.peerIdWithRevealedOptions = nil
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self.removingPeerId = nil
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}
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init(editing: Bool, peerIdWithRevealedOptions: PeerId?, removingPeerId: PeerId?) {
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self.editing = editing
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self.peerIdWithRevealedOptions = peerIdWithRevealedOptions
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self.removingPeerId = removingPeerId
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}
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static func ==(lhs: BlockedPeersControllerState, rhs: BlockedPeersControllerState) -> Bool {
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if lhs.editing != rhs.editing {
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return false
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}
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if lhs.peerIdWithRevealedOptions != rhs.peerIdWithRevealedOptions {
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return false
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}
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if lhs.removingPeerId != rhs.removingPeerId {
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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 withUpdatedEditing(_ editing: Bool) -> BlockedPeersControllerState {
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return BlockedPeersControllerState(editing: editing, peerIdWithRevealedOptions: self.peerIdWithRevealedOptions, removingPeerId: self.removingPeerId)
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}
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func withUpdatedPeerIdWithRevealedOptions(_ peerIdWithRevealedOptions: PeerId?) -> BlockedPeersControllerState {
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return BlockedPeersControllerState(editing: self.editing, peerIdWithRevealedOptions: peerIdWithRevealedOptions, removingPeerId: self.removingPeerId)
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}
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func withUpdatedRemovingPeerId(_ removingPeerId: PeerId?) -> BlockedPeersControllerState {
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return BlockedPeersControllerState(editing: self.editing, peerIdWithRevealedOptions: self.peerIdWithRevealedOptions, removingPeerId: removingPeerId)
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}
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}
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private func blockedPeersControllerEntries(presentationData: PresentationData, state: BlockedPeersControllerState, blockedPeersState: BlockedPeersContextState) -> [BlockedPeersEntry] {
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var entries: [BlockedPeersEntry] = []
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if !blockedPeersState.peers.isEmpty || !blockedPeersState.canLoadMore {
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entries.append(.add(presentationData.theme, presentationData.strings.BlockedUsers_BlockUser))
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var index: Int32 = 0
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for peer in blockedPeersState.peers {
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entries.append(.peerItem(index, presentationData.theme, presentationData.strings, presentationData.dateTimeFormat, presentationData.nameDisplayOrder, peer.peer!, ItemListPeerItemEditing(editable: true, editing: state.editing, revealed: peer.peerId == state.peerIdWithRevealedOptions), state.removingPeerId != peer.peerId))
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index += 1
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}
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}
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return entries
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}
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public func blockedPeersController(context: AccountContext, blockedPeersContext: BlockedPeersContext) -> ViewController {
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let statePromise = ValuePromise(BlockedPeersControllerState(), ignoreRepeated: true)
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let stateValue = Atomic(value: BlockedPeersControllerState())
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let updateState: ((BlockedPeersControllerState) -> BlockedPeersControllerState) -> Void = { f in
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statePromise.set(stateValue.modify { f($0) })
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}
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var pushControllerImpl: ((ViewController) -> Void)?
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var presentControllerImpl: ((ViewController, Any?) -> Void)?
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let actionsDisposable = DisposableSet()
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let removePeerDisposable = MetaDisposable()
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actionsDisposable.add(removePeerDisposable)
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let peersPromise = Promise<[Peer]?>(nil)
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let arguments = BlockedPeersControllerArguments(account: context.account, setPeerIdWithRevealedOptions: { peerId, fromPeerId in
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updateState { state in
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if (peerId == nil && fromPeerId == state.peerIdWithRevealedOptions) || (peerId != nil && fromPeerId == nil) {
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return state.withUpdatedPeerIdWithRevealedOptions(peerId)
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} else {
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return state
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}
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}
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}, addPeer: {
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let presentationData = context.sharedContext.currentPresentationData.with { $0 }
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let controller = context.sharedContext.makePeerSelectionController(PeerSelectionControllerParams(context: context, filter: [.onlyPrivateChats, .excludeSavedMessages, .removeSearchHeader, .excludeRecent], title: presentationData.strings.BlockedUsers_SelectUserTitle))
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controller.peerSelected = { [weak controller] peerId in
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guard let strongController = controller else {
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return
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}
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strongController.inProgress = true
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removePeerDisposable.set((blockedPeersContext.add(peerId: peerId)
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|> deliverOnMainQueue).start(completed: {
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guard let strongController = controller else {
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return
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}
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strongController.inProgress = false
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strongController.dismiss()
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}))
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}
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presentControllerImpl?(controller, nil)
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}, removePeer: { memberId in
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updateState {
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return $0.withUpdatedRemovingPeerId(memberId)
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}
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removePeerDisposable.set((blockedPeersContext.remove(peerId: memberId)
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|> deliverOnMainQueue).start(error: { _ in
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updateState {
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return $0.withUpdatedRemovingPeerId(nil)
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}
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}, completed: {
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updateState {
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return $0.withUpdatedRemovingPeerId(nil)
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}
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}))
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}, openPeer: { peer in
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if let controller = context.sharedContext.makePeerInfoController(context: context, peer: peer, mode: .generic) {
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pushControllerImpl?(controller)
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}
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})
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var previousState: BlockedPeersContextState?
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let signal = combineLatest(context.sharedContext.presentationData, statePromise.get(), blockedPeersContext.state)
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|> deliverOnMainQueue
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|> map { presentationData, state, blockedPeersState -> (ItemListControllerState, (ItemListNodeState<BlockedPeersEntry>, BlockedPeersEntry.ItemGenerationArguments)) in
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var rightNavigationButton: ItemListNavigationButton?
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if !blockedPeersState.peers.isEmpty {
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if state.editing {
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rightNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Done), style: .bold, enabled: true, action: {
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updateState { state in
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return state.withUpdatedEditing(false)
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}
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})
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} else {
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rightNavigationButton = ItemListNavigationButton(content: .text(presentationData.strings.Common_Edit), style: .regular, enabled: true, action: {
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updateState { state in
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return state.withUpdatedEditing(true)
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}
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})
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}
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}
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var emptyStateItem: ItemListControllerEmptyStateItem?
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if blockedPeersState.peers.isEmpty && !blockedPeersState.canLoadMore {
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emptyStateItem = ItemListTextEmptyStateItem(text: presentationData.strings.BlockedUsers_Info)
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}
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let previousStateValue = previousState
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previousState = blockedPeersState
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let controllerState = ItemListControllerState(theme: presentationData.theme, title: .text(presentationData.strings.BlockedUsers_Title), leftNavigationButton: nil, rightNavigationButton: rightNavigationButton, backNavigationButton: ItemListBackButton(title: presentationData.strings.Common_Back), animateChanges: true)
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let listState = ItemListNodeState(entries: blockedPeersControllerEntries(presentationData: presentationData, state: state, blockedPeersState: blockedPeersState), style: .blocks, emptyStateItem: emptyStateItem, animateChanges: previousStateValue != nil && previousStateValue!.peers.count >= blockedPeersState.peers.count, scrollEnabled: emptyStateItem == nil)
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return (controllerState, (listState, arguments))
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}
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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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pushControllerImpl = { [weak controller] c in
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if let controller = controller {
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(controller.navigationController as? NavigationController)?.pushViewController(c)
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}
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}
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presentControllerImpl = { [weak controller] c, a in
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if let controller = controller {
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controller.present(c, in: .window(.root), with: a)
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}
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}
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controller.visibleBottomContentOffsetChanged = { offset in
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if case let .known(value) = offset, value < 40.0 {
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blockedPeersContext.loadMore()
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}
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}
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return controller
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}
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