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@@ -1,9 +1,114 @@
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-//
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-// ChatListViewModel.swift
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-// deltachat-ios
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-//
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-// Created by Bastian van de Wetering on 16.03.20.
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-// Copyright © 2020 Jonas Reinsch. All rights reserved.
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-//
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-
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-import Foundation
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+import UIKit
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+
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+protocol ChatListViewModelProtocol: class, UISearchResultsUpdating {
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+
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+ var onChatListUpdate: VoidFunction? { get set }
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+
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+ var isArchive: Bool { get }
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+
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+ var numberOfSections: Int { get }
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+ func numberOfRowsIn(section: Int) -> Int
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+ func cellDataFor(section: Int, row: Int) -> AvatarCellViewModel
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+
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+ // search related
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+ var searchActive: Bool { get }
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+ func beginFiltering()
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+ func endFiltering()
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+
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+ func deleteChat(chatId: Int)
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+ func archiveChat(chatId: Int)
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+ func refreshData()
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+
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+ var numberOfArchivedChats: Int { get }
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+}
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+
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+class ChatListViewModel: NSObject, ChatListViewModelProtocol {
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+
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+ var onChatListUpdate: VoidFunction?
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+
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+ var isArchive: Bool
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+ private let dcContext: DcContext
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+
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+ var searchActive: Bool = false
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+
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+ private var chatList: DcChatlist!
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+
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+ init(dcContext: DcContext, isArchive: Bool) {
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+ self.isArchive = isArchive
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+ self.dcContext = dcContext
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+ super.init()
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+ updateChatList()
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+ }
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+
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+ private func updateChatList() {
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+ var gclFlags: Int32 = 0
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+ if isArchive {
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+ gclFlags |= DC_GCL_ARCHIVED_ONLY
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+ }
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+ self.chatList = dcContext.getChatlist(flags: gclFlags, queryString: nil, queryId: 0)
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+ onChatListUpdate?()
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+ }
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+
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+ var numberOfSections: Int {
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+ return 1
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+ }
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+
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+ func numberOfRowsIn(section: Int) -> Int {
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+ return chatList.length
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+ }
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+
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+ func cellDataFor(section: Int, row: Int) -> AvatarCellViewModel {
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+ let chatId = chatList.getChatId(index: row)
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+ let summary = chatList.getSummary(index: row)
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+ let unreadMessages = dcContext.getUnreadMessages(chatId: chatId)
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+ let viewModel = ChatCellViewModel(
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+ chatData: ChatCellData(
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+ chatId: chatId,
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+ summary: summary,
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+ unreadMessages: unreadMessages
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+ )
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+ )
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+ return viewModel
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+ }
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+
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+ func refreshData() {
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+ updateChatList()
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+ }
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+
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+ func beginFiltering() {
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+
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+ }
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+
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+ func endFiltering() {
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+
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+ }
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+
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+ func deleteChat(chatId: Int) {
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+
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+ }
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+
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+ func archiveChat(chatId: Int) {
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+
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+ }
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+
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+ var numberOfArchivedChats: Int {
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+ return 0
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+ }
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+
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+}
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+
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+// MARK: UISearchResultUpdating
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+extension ChatListViewModel: UISearchResultsUpdating {
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+ func updateSearchResults(for searchController: UISearchController) {
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+ if let searchText = searchController.searchBar.text {
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+ filterContentForSearchText(searchText)
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+ }
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+ }
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+
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+ private func filterContentForSearchText(_ text: String) {
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+
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+ }
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+
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+
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+}
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+
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nayooti