ios: open chat on first unread, "scroll" to quoted items that were not loaded (#5392)

* ios: open chat on first unread, "scroll" to quoted items that were not loaded * more changes * changes * unused * fix reveal logic * debug * changes * test * Revert "test" This reverts commit 553be124d5. * change * change * changes * changes * changes * commented deceleration logic * changes * fixes * optimized item identifiers to use merged item directly * fixed counters * encreased initial and preload counters * fix initial loading and trimming items * optimize * allow marking read * 10 instead of 5 * performance * one more parameter in hash * disable trimming * performance * performance - in background * optimization * next/prev * changes * markread * finally * less logs * read * change after merge * trimming, edge cases * wait until items loaded * Revert "wait until items loaded" This reverts commit 895218b978. * progress indicator * optimization * disable scroll helper * experiment * Revert "experiment" This reverts commit c952c9e623. * jump * no read * layoutIfNeeded * changes * EndlessScrollView * read * changes * changes * changes * reduce time to open a chat (by ~300ms) * open from the first unread when clicking member chat * refactored and removed unused code * handling search emptiness to scroll to correct position * changes * read state maintain * remove protocol * avoid parsing chatId * pass chat * changes * remove reveal * refactor spaghetti * remove ItemsScrollModel * rename * remove setUpdateListener * unused * optimization * scrollToTop * fix * scrollbar working again * scrollToBottom * fix * scrollBar hiding when not many items on screen * small safer change --------- Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
2026-08-28 23:00:09 +00:00 · 2025-02-17 18:21:40 +00:00
parent 704bab171d
commit 9d1329498b
24 changed files with 2177 additions and 711 deletions
@@ -328,38 +328,27 @@ func apiGetChatTagsAsync() async throws -> [ChatTag] {

 let loadItemsPerPage = 50

-func apiGetChat(type: ChatType, id: Int64, search: String = "") async throws -> Chat {
-    let r = await chatSendCmd(.apiGetChat(type: type, id: id, pagination: .last(count: loadItemsPerPage), search: search))
-    if case let .apiChat(_, chat) = r { return Chat.init(chat) }
+func apiGetChat(chatId: ChatId, pagination: ChatPagination, search: String = "") async throws -> (Chat, NavigationInfo) {
+    let r = await chatSendCmd(.apiGetChat(chatId: chatId, pagination: pagination, search: search))
+    if case let .apiChat(_, chat, navInfo) = r { return (Chat.init(chat), navInfo ?? NavigationInfo()) }
    throw r
 }

-func apiGetChatItems(type: ChatType, id: Int64, pagination: ChatPagination, search: String = "") async throws -> [ChatItem] {
-    let r = await chatSendCmd(.apiGetChat(type: type, id: id, pagination: pagination, search: search))
-    if case let .apiChat(_, chat) = r { return chat.chatItems }
-    throw r
+func loadChat(chat: Chat, search: String = "", clearItems: Bool = true) async {
+    await loadChat(chatId: chat.chatInfo.id)
 }

-func loadChat(chat: Chat, search: String = "", clearItems: Bool = true, replaceChat: Bool = false) async {
-    do {
-        let cInfo = chat.chatInfo
-        let m = ChatModel.shared
-        let im = ItemsModel.shared
-        m.chatItemStatuses = [:]
-        if clearItems {
-            await MainActor.run { im.reversedChatItems = [] }
+func loadChat(chatId: ChatId, search: String = "", clearItems: Bool = true) async {
+    let m = ChatModel.shared
+    let im = ItemsModel.shared
+    m.chatItemStatuses = [:]
+    if clearItems {
+        await MainActor.run { 
+            im.reversedChatItems = []
+            ItemsModel.shared.chatItemsChangesListener.cleared()
        }
-        let chat = try await apiGetChat(type: cInfo.chatType, id: cInfo.apiId, search: search)
-        await MainActor.run {
-            im.reversedChatItems = chat.chatItems.reversed()
-            m.updateChatInfo(chat.chatInfo)
-            if (replaceChat) {
-                m.replaceChat(chat.chatInfo.id, chat)
-            }
-        }
-    } catch let error {
-        logger.error("loadChat error: \(responseError(error))")
    }
+    await apiLoadMessages(chatId, search == "" ? .initial(count: loadItemsPerPage) : .last(count: loadItemsPerPage), im.chatState, search, { 0...0 })
 }

 func apiGetChatItemInfo(type: ChatType, id: Int64, itemId: Int64) async throws -> ChatItemInfo {
@@ -869,7 +858,7 @@ func apiSetConnectionIncognito(connId: Int64, incognito: Bool) async throws -> P

 func apiChangeConnectionUser(connId: Int64, userId: Int64) async throws -> PendingContactConnection? {
    let r = await chatSendCmd(.apiChangeConnectionUser(connId: connId, userId: userId))
-    
+
    if case let .connectionUserChanged(_, _, toConnection, _) = r {return toConnection}
    throw r
 }
@@ -2172,7 +2161,7 @@ func processReceivedMsg(_ res: ChatResponse) async {
        }
    case let .groupLinkConnecting(user, groupInfo, hostMember):
        if !active(user) { return }
-        
+
        await MainActor.run {
            m.updateGroup(groupInfo)
            if let hostConn = hostMember.activeConn {