Chat List: Fix deleted chat being stuck at the bottom (#3127)

src/components/left/settings/folders/SettingsFoldersEdit.tsx

@@ -242,7 +242,7 @@ const SettingsFoldersEdit: FC<OwnProps & StateProps> = ({
 
     const isExpanded = mode === 'included' ? isIncludedChatsListExpanded : isExcludedChatsListExpanded;
     const allChatIds = mode === 'included' ? includedChatIds : excludedChatIds;
-    const leftChatsCount = allChatIds.length - selectedChatTypes.length - visibleChatIds.length;
+    const leftChatsCount = allChatIds.length - visibleChatIds.length;
     const clickHandler = mode === 'included'
       ? () => setIsIncludedChatsListExpanded(true)
       : () => setIsExcludedChatsListExpanded(true);

src/global/actions/api/chats.ts

@@ -327,7 +327,10 @@ addActionHandler('loadFullChat', (global, actions, payload): ActionReturnType =>
 });
 
 addActionHandler('loadTopChats', (global): ActionReturnType => {
-  runThrottledForLoadTopChats(() => loadChats(global, 'active'));
+  runThrottledForLoadTopChats(() => {
+    loadChats(global, 'active');
+    loadChats(global, 'archived');
+  });
 });
 
 addActionHandler('requestChatUpdate', (global, actions, payload): ActionReturnType => {

src/global/actions/api/messages.ts

@@ -523,6 +523,26 @@ addActionHandler('deleteHistory', async (global, actions, payload): Promise<void
   if (activeChat && activeChat.chatId === chatId) {
     actions.openChat({ id: undefined, tabId });
   }
+
+  // Delete chat from folders
+  const folders = global.chatFolders.byId;
+  Object.values(folders).forEach((folder) => {
+    if (folder.includedChatIds.includes(chatId) || folder.pinnedChatIds?.includes(chatId)) {
+      const newIncludedChatIds = folder.includedChatIds.filter((id) => id !== chatId);
+      const newPinnedChatIds = folder.pinnedChatIds?.filter((id) => id !== chatId);
+
+      const updatedFolder = {
+        ...folder,
+        includedChatIds: newIncludedChatIds,
+        pinnedChatIds: newPinnedChatIds,
+      };
+
+      callApi('editChatFolder', {
+        id: folder.id,
+        folderUpdate: updatedFolder,
+      });
+    }
+  });
 });
 
 addActionHandler('reportMessages', async (global, actions, payload): Promise<void> => {

src/global/actions/apiUpdaters/messages.ts

@@ -29,6 +29,7 @@ import {
   deleteTopic,
   updateMessageTranslations,
   clearMessageTranslation,
+  removeChatFromChatLists,
 } from '../../reducers';
 import {
   selectChatMessage,
@@ -133,7 +134,7 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
 
       setGlobal(global);
 
-      // Edge case: New message in an old (not loaded) chat.
+      // Reload dialogs if chat is not present in the list
       if (!selectIsChatListed(global, chatId)) {
         actions.loadTopChats();
       }
@@ -436,6 +437,10 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
         actions.requestChatUpdate({ chatId });
       }
 
+      global = getGlobal();
+      global = removeChatFromChatLists(global, chatId);
+      setGlobal(global);
+
       break;
     }
 

src/global/reducers/chats.ts

@@ -7,7 +7,7 @@ import { ARCHIVED_FOLDER_ID } from '../../config';
 import {
   areSortedArraysEqual, buildCollectionByKey, omit, unique,
 } from '../../util/iteratees';
-import { selectChat, selectChatFullInfo, selectChatListType } from '../selectors';
+import { selectChat, selectChatFullInfo } from '../selectors';
 import { updateThread, updateThreadInfo } from './messages';
 import { areDeepEqual } from '../../util/areDeepEqual';
 
@@ -275,22 +275,22 @@ export function updateChatListSecondaryInfo<T extends GlobalState>(
 }
 
 export function leaveChat<T extends GlobalState>(global: T, leftChatId: string): T {
-  const listType = selectChatListType(global, leftChatId);
-  if (!listType) {
-    return global;
-  }
-
-  const { [listType]: listIds } = global.chats.listIds;
-
-  if (listIds) {
-    global = replaceChatListIds(global, listType, listIds.filter((listId) => listId !== leftChatId));
-  }
+  global = removeChatFromChatLists(global, leftChatId);
 
   global = updateChat(global, leftChatId, { isNotJoined: true });
 
   return global;
 }
 
+export function removeChatFromChatLists<T extends GlobalState>(global: T, chatId: string): T {
+  const lists = global.chats.listIds;
+  Object.entries(lists).forEach(([listType, listIds]) => {
+    global = replaceChatListIds(global, listType as keyof typeof lists, listIds.filter((id) => id !== chatId));
+  });
+
+  return global;
+}
+
 export function addChatMembers<T extends GlobalState>(global: T, chat: ApiChat, membersToAdd: ApiChatMember[]): T {
   const currentMembers = selectChatFullInfo(global, chat.id)?.members;
   const newMemberIds = new Set(membersToAdd.map((m) => m.userId));

src/util/folderManager.ts

@@ -362,7 +362,9 @@ function updateChats(
 
   const newAllFolderListIds = global.chats.listIds.active;
   const newArchivedFolderListIds = global.chats.listIds.archived;
-  let allIds = [...newAllFolderListIds || [], ...newArchivedFolderListIds || []];
+
+  const newAllIds = [...newAllFolderListIds || [], ...newArchivedFolderListIds || []];
+  let allIds = newAllIds;
   if (newAllFolderListIds !== prevAllFolderListIds || newArchivedFolderListIds !== prevArchivedFolderListIds) {
     allIds = unique(allIds.concat(prevAllFolderListIds || [], prevArchivedFolderListIds || []));
   }
@@ -383,7 +385,11 @@ function updateChats(
     let newFolderIds: number[];
     if (chat) {
       const currentSummary = prepared.chatSummariesById.get(chatId);
-      const newSummary = buildChatSummary(chat, newNotifySettings, newNotifyExceptions, newUsersById[chatId]);
+      const isRemoved = !newAllIds.includes(chatId);
+      const newSummary = buildChatSummary(
+        chat, newNotifySettings, newNotifyExceptions, newUsersById[chatId], isRemoved,
+      );
+
       if (!areFoldersChanged && currentSummary && arePropsShallowEqual(newSummary, currentSummary)) {
         return;
       }
@@ -423,6 +429,7 @@ function buildChatSummary(
   notifySettings: NotifySettings,
   notifyExceptions?: Record<number, NotifyException>,
   user?: ApiUser,
+  isRemoved?: boolean,
 ): ChatSummary {
   const {
     id, type, lastMessage, isRestricted, isNotJoined, migratedTo, folderId,
@@ -447,7 +454,7 @@ function buildChatSummary(
   return {
     id,
     type,
-    isListed: Boolean(!isRestricted && !isNotJoined && !migratedTo && !shouldHideServiceChat),
+    isListed: Boolean(!isRestricted && !isNotJoined && !migratedTo && !shouldHideServiceChat && !isRemoved),
     isArchived: folderId === ARCHIVED_FOLDER_ID,
     isMuted: selectIsChatMuted(chat, notifySettings, notifyExceptions),
     isUnread: Boolean(unreadCount || unreadMentionsCount || hasUnreadMark),