Settings / Folders: Support re-ordering (#1973)

src/api/gramjs/methods/chats.ts

@@ -831,6 +831,12 @@ export async function deleteChatFolder(id: number) {
   }
 }
 
+export function sortChatFolders(ids: number[]) {
+  return invokeRequest(new GramJs.messages.UpdateDialogFiltersOrder({
+    order: ids,
+  }));
+}
+
 export async function toggleDialogUnread({
   chat, hasUnreadMark,
 }: {

src/api/gramjs/methods/index.ts

@@ -15,7 +15,7 @@ export {
   saveDraft, clearDraft, fetchChat, updateChatMutedState,
   createChannel, joinChannel, deleteChatUser, deleteChat, leaveChannel, deleteChannel, createGroupChat, editChatPhoto,
   toggleChatPinned, toggleChatArchived, toggleDialogUnread, setChatEnabledReactions,
-  fetchChatFolders, editChatFolder, deleteChatFolder, fetchRecommendedChatFolders,
+  fetchChatFolders, editChatFolder, deleteChatFolder, sortChatFolders, fetchRecommendedChatFolders,
   getChatByUsername, togglePreHistoryHidden, updateChatDefaultBannedRights, updateChatMemberBannedRights,
   updateChatTitle, updateChatAbout, toggleSignatures, updateChatAdmin, fetchGroupsForDiscussion, setDiscussionGroup,
   migrateChat, openChatByInvite, fetchMembers, importChatInvite, addChatMembers, deleteChatMember, toggleIsProtected,

src/components/left/settings/folders/SettingsFolders.scss

@@ -76,3 +76,15 @@
   width: calc(100% + 2rem);
   padding-left: 1rem !important;
 }
+
+.settings-sortable-container {
+  position: relative;
+}
+
+.settings-sortable-container .draggable-knob {
+  margin-top: -0.25rem;
+}
+
+.settings-sortable-item .multiline-item {
+  padding-inline-end: 3rem;
+}

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

@@ -1,6 +1,6 @@
 import type { FC } from '../../../../lib/teact/teact';
 import React, {
-  memo, useMemo, useCallback, useEffect,
+  memo, useMemo, useCallback, useEffect, useState,
 } from '../../../../lib/teact/teact';
 import { getActions, withGlobal } from '../../../../global';
 
@@ -21,6 +21,7 @@ import ListItem from '../../../ui/ListItem';
 import Button from '../../../ui/Button';
 import Loading from '../../../ui/Loading';
 import AnimatedIcon from '../../../common/AnimatedIcon';
+import Draggable from '../../../ui/Draggable';
 
 type OwnProps = {
   isActive?: boolean;
@@ -30,13 +31,20 @@ type OwnProps = {
 };
 
 type StateProps = {
-  orderedFolderIds?: number[];
+  folderIds?: number[];
   foldersById: Record<number, ApiChatFolder>;
   recommendedChatFolders?: ApiChatFolder[];
   maxFolders: number;
   isPremium?: boolean;
 };
 
+type SortState = {
+  orderedFolderIds?: number[];
+  dragOrderIds?: number[];
+  draggedIndex?: number;
+};
+
+const FOLDER_HEIGHT_PX = 68;
 const runThrottledForLoadRecommended = throttle((cb) => cb(), 60000, true);
 
 const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
@@ -44,7 +52,7 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
   onCreateFolder,
   onEditFolder,
   onReset,
-  orderedFolderIds,
+  folderIds,
   foldersById,
   isPremium,
   recommendedChatFolders,
@@ -55,8 +63,15 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
     addChatFolder,
     openLimitReachedModal,
     openDeleteChatFolderModal,
+    sortChatFolders,
   } = getActions();
 
+  const [state, setState] = useState<SortState>({
+    orderedFolderIds: folderIds,
+    dragOrderIds: folderIds,
+    draggedIndex: undefined,
+  });
+
   // Due to the parent Transition, this component never gets unmounted,
   // that's why we use throttled API call on every update.
   useEffect(() => {
@@ -86,15 +101,15 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
 
   const chatsCountByFolderId = useFolderManagerForChatsCount();
   const userFolders = useMemo(() => {
-    if (!orderedFolderIds) {
+    if (!state.orderedFolderIds) {
       return undefined;
     }
 
-    if (orderedFolderIds.length <= 1) {
+    if (state.orderedFolderIds.length <= 1) {
       return MEMO_EMPTY_ARRAY;
     }
 
-    return orderedFolderIds.map((id) => {
+    return state.orderedFolderIds.map((id) => {
       const folder = foldersById[id];
 
       if (id === ALL_FOLDER_ID) {
@@ -110,7 +125,7 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
         subtitle: getFolderDescriptionText(lang, folder, chatsCountByFolderId[folder.id]),
       };
     });
-  }, [orderedFolderIds, foldersById, lang, chatsCountByFolderId]);
+  }, [state.orderedFolderIds, foldersById, lang, chatsCountByFolderId]);
 
   const handleCreateFolderFromRecommended = useCallback((folder: ApiChatFolder) => {
     if (Object.keys(foldersById).length >= maxFolders - 1) {
@@ -124,6 +139,35 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
     addChatFolder({ folder });
   }, [foldersById, maxFolders, addChatFolder, openLimitReachedModal]);
 
+  const handleDrag = useCallback((translation: { x: number; y: number }, id: number) => {
+    const delta = Math.round(translation.y / FOLDER_HEIGHT_PX);
+    const index = state.orderedFolderIds?.indexOf(id) || 0;
+    const dragOrderIds = state.orderedFolderIds?.filter((folderId) => folderId !== id);
+
+    if (!dragOrderIds || !inRange(index + delta, 0, folderIds?.length || 0)) {
+      return;
+    }
+
+    dragOrderIds.splice(index + delta + (isPremium ? 0 : 1), 0, id);
+    setState((current) => ({
+      ...current,
+      draggedIndex: index,
+      dragOrderIds,
+    }));
+  }, [folderIds?.length, isPremium, state.orderedFolderIds]);
+
+  const handleDragEnd = useCallback(() => {
+    setState((current) => {
+      sortChatFolders({ folderIds: current.dragOrderIds! });
+
+      return {
+        ...current,
+        orderedFolderIds: current.dragOrderIds,
+        draggedIndex: undefined,
+      };
+    });
+  }, [sortChatFolders]);
+
   const canCreateNewFolder = useMemo(() => {
     return !isPremium || Object.keys(foldersById).length < maxFolders - 1;
   }, [foldersById, isPremium, maxFolders]);
@@ -161,24 +205,53 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
       <div className="settings-item pt-3">
         <h4 className="settings-item-header mb-3" dir={lang.isRtl ? 'rtl' : undefined}>{lang('Filters')}</h4>
 
+        <div className="settings-sortable-container" style={`height: ${(folderIds?.length || 0) * FOLDER_HEIGHT_PX}px`}>
           {userFolders?.length ? userFolders.map((folder, i) => {
             const isBlocked = i > maxFolders - 1;
+            const isDragged = state.draggedIndex === i;
+            const draggedTop = (state.orderedFolderIds?.indexOf(folder.id) ?? 0) * FOLDER_HEIGHT_PX;
+            const top = (state.dragOrderIds?.indexOf(folder.id) ?? 0) * FOLDER_HEIGHT_PX;
+
             if (folder.id === ALL_FOLDER_ID) {
               return (
+                <Draggable
+                  key={folder.id}
+                  id={folder.id}
+                  onDrag={handleDrag}
+                  onDragEnd={handleDragEnd}
+                  style={`top: ${isDragged ? draggedTop : top}px;`}
+                  knobStyle={`${lang.isRtl ? 'left' : 'right'}: 0.375rem;`}
+                  isDisabled={!isPremium || !isActive}
+                >
                   <ListItem
-                className="mb-2 no-icon"
+                    key={folder.id}
+                    className="mb-2 no-icon settings-sortable-item"
                     narrow
                     inactive
+                    multiline
                     isStatic
                   >
+                    <span className="title">
                       {folder.title}
+                    </span>
+                    <span className="subtitle">{lang('FoldersAllChatsDesc')}</span>
                   </ListItem>
+                </Draggable>
               );
             }
 
             return (
+              <Draggable
+                key={folder.id}
+                id={folder.id}
+                onDrag={handleDrag}
+                onDragEnd={handleDragEnd}
+                style={`top: ${isDragged ? draggedTop : top}px;`}
+                knobStyle={`${lang.isRtl ? 'left' : 'right'}: 3rem;`}
+                isDisabled={isBlocked || !isActive}
+              >
                 <ListItem
-              className="mb-2 no-icon"
+                  className="mb-2 no-icon settings-sortable-item"
                   narrow
                   secondaryIcon="more"
                   multiline
@@ -209,6 +282,7 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
                   </span>
                   <span className="subtitle">{folder.subtitle}</span>
                 </ListItem>
+              </Draggable>
             );
           }) : userFolders && !userFolders.length ? (
             <p className="settings-item-description my-4" dir="auto">
@@ -216,6 +290,7 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
             </p>
           ) : <Loading />}
         </div>
+      </div>
 
       {(recommendedChatFolders && Boolean(recommendedChatFolders.length)) && (
         <div className="settings-item pt-3">
@@ -258,13 +333,13 @@ const SettingsFoldersMain: FC<OwnProps & StateProps> = ({
 export default memo(withGlobal<OwnProps>(
   (global): StateProps => {
     const {
-      orderedIds: orderedFolderIds,
+      orderedIds: folderIds,
       byId: foldersById,
       recommended: recommendedChatFolders,
     } = global.chatFolders;
 
     return {
-      orderedFolderIds,
+      folderIds,
       foldersById,
       isPremium: selectIsCurrentUserPremium(global),
       recommendedChatFolders,
@@ -272,3 +347,7 @@ export default memo(withGlobal<OwnProps>(
     };
   },
 )(SettingsFoldersMain));
+
+function inRange(x: number, min: number, max: number) {
+  return x >= min && x <= max;
+}

src/components/ui/Draggable.module.scss

@@ -0,0 +1,43 @@
+.container {
+  position: absolute;
+  width: 100%;
+}
+
+.isDragging {
+  z-index: 2;
+
+  > *:not(.knob) {
+    pointer-events: none;
+  }
+}
+
+.knob {
+  position: absolute;
+  top: 50%;
+  width: 2rem;
+  height: 2rem;
+
+  color: var(--color-text-secondary);
+  font-size: 1.25rem;
+  line-height: 1.75;
+  text-align: center;
+  opacity: 0;
+  transition: opacity 150ms;
+
+  cursor: grab !important;
+  transform: translateY(-50%);
+
+  .container:hover & {
+    opacity: 1;
+  }
+
+  .isDragging & {
+    opacity: 1;
+    cursor: grabbing !important;
+  }
+
+  @media (pointer: coarse) {
+    opacity: 1 !important;
+    touch-action: none;
+  }
+}

src/components/ui/Draggable.tsx

@@ -0,0 +1,189 @@
+import React, {
+  memo, useCallback, useEffect, useMemo, useRef, useState,
+} from '../../lib/teact/teact';
+
+import type { FC } from '../../lib/teact/teact';
+
+import buildClassName from '../../util/buildClassName';
+
+import styles from './Draggable.module.scss';
+import useLang from '../../hooks/useLang';
+import buildStyle from '../../util/buildStyle';
+
+type TPoint = {
+  x: number;
+  y: number;
+};
+
+type DraggableState = {
+  isDragging: boolean;
+  origin: TPoint;
+  translation: TPoint;
+  width?: number;
+  height?: number;
+};
+
+type OwnProps = {
+  children: React.ReactNode;
+  onDrag: (translation: TPoint, id: number) => void;
+  onDragEnd: NoneToVoidFunction;
+  id: number;
+  style?: string;
+  knobStyle?: string;
+  isDisabled?: boolean;
+};
+
+const ZERO_POINT: TPoint = { x: 0, y: 0 };
+
+const Draggable: FC<OwnProps> = ({
+  children,
+  id,
+  onDrag,
+  onDragEnd,
+  style: externalStyle,
+  knobStyle,
+  isDisabled,
+}) => {
+  const lang = useLang();
+  // eslint-disable-next-line no-null/no-null
+  const ref = useRef<HTMLDivElement>(null);
+
+  const [state, setState] = useState<DraggableState>({
+    isDragging: false,
+    origin: ZERO_POINT,
+    translation: ZERO_POINT,
+  });
+
+  const handleMouseDown = (e: React.MouseEvent | React.TouchEvent) => {
+    e.stopPropagation();
+    e.preventDefault();
+    const { x, y } = getClientCoordinate(e);
+
+    setState({
+      ...state,
+      isDragging: true,
+      origin: { x, y },
+      width: ref.current?.offsetWidth,
+      height: ref.current?.offsetHeight,
+    });
+  };
+
+  const handleMouseMove = useCallback((e: MouseEvent | TouchEvent) => {
+    const { x, y } = getClientCoordinate(e);
+
+    const translation = {
+      x: x - state.origin.x,
+      y: y - state.origin.y,
+    };
+
+    setState((current) => ({
+      ...current,
+      translation,
+    }));
+
+    onDrag(translation, id);
+  }, [id, onDrag, state.origin.x, state.origin.y]);
+
+  const handleMouseUp = useCallback(() => {
+    requestAnimationFrame(() => {
+      setState((current) => ({
+        ...current,
+        isDragging: false,
+        width: undefined,
+        height: undefined,
+      }));
+
+      onDragEnd();
+    });
+  }, [onDragEnd]);
+
+  useEffect(() => {
+    if (state.isDragging && isDisabled) {
+      setState((current) => ({
+        ...current,
+        isDragging: false,
+        width: undefined,
+        height: undefined,
+      }));
+    }
+  }, [isDisabled, state.isDragging]);
+
+  useEffect(() => {
+    if (state.isDragging) {
+      window.addEventListener('touchmove', handleMouseMove);
+      window.addEventListener('mousemove', handleMouseMove);
+      window.addEventListener('touchend', handleMouseUp);
+      window.addEventListener('touchcancel', handleMouseUp);
+      window.addEventListener('mouseup', handleMouseUp);
+    } else {
+      window.removeEventListener('touchmove', handleMouseMove);
+      window.removeEventListener('mousemove', handleMouseMove);
+      window.removeEventListener('touchend', handleMouseUp);
+      window.removeEventListener('touchcancel', handleMouseUp);
+      window.removeEventListener('mouseup', handleMouseUp);
+
+      setState((current) => ({
+        ...current,
+        translation: ZERO_POINT,
+      }));
+    }
+
+    return () => {
+      if (state.isDragging) {
+        window.removeEventListener('touchmove', handleMouseMove);
+        window.removeEventListener('mousemove', handleMouseMove);
+        window.removeEventListener('touchend', handleMouseUp);
+        window.removeEventListener('touchcancel', handleMouseUp);
+        window.removeEventListener('mouseup', handleMouseUp);
+      }
+    };
+  }, [handleMouseMove, handleMouseUp, state.isDragging]);
+
+  const fullClassName = buildClassName(styles.container, state.isDragging && styles.isDragging);
+
+  const cssStyles = useMemo(() => {
+    return buildStyle(
+      `transform: translate(${state.translation.x}px, ${state.translation.y}px)`,
+      state.width ? `width: ${state.width}px` : undefined,
+      state.height ? `height: ${state.height}px` : undefined,
+      externalStyle,
+    );
+  }, [externalStyle, state.height, state.translation.x, state.translation.y, state.width]);
+
+  return (
+    <div style={cssStyles} className={fullClassName} ref={ref}>
+      {children}
+
+      {!isDisabled && (
+        <div
+          aria-label={lang('i18n_dragToSort')}
+          tabIndex={0}
+          role="button"
+          className={buildClassName(styles.knob, 'draggable-knob')}
+          onMouseDown={handleMouseDown}
+          onTouchStart={handleMouseDown}
+          style={knobStyle}
+        >
+          <i className="icon-sort" aria-hidden />
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default memo(Draggable);
+
+function getClientCoordinate(e: MouseEvent | TouchEvent | React.MouseEvent | React.TouchEvent) {
+  let x;
+  let y;
+
+  if ('touches' in e) {
+    x = e.touches[0].clientX;
+    y = e.touches[0].clientY;
+  } else {
+    x = e.clientX;
+    y = e.clientY;
+  }
+
+  return { x, y };
+}

src/config.ts

@@ -38,7 +38,7 @@ export const MEDIA_PROGRESSIVE_CACHE_DISABLED = false;
 export const MEDIA_PROGRESSIVE_CACHE_NAME = 'tt-media-progressive';
 export const MEDIA_CACHE_MAX_BYTES = 512 * 1024; // 512 KB
 export const CUSTOM_BG_CACHE_NAME = 'tt-custom-bg';
-export const LANG_CACHE_NAME = 'tt-lang-packs-v10';
+export const LANG_CACHE_NAME = 'tt-lang-packs-v11';
 export const ASSET_CACHE_NAME = 'tt-assets';
 export const AUTODOWNLOAD_FILESIZE_MB_LIMITS = [1, 5, 10, 50, 100, 500];
 

src/global/actions/api/chats.ts

@@ -491,6 +491,22 @@ addActionHandler('addChatFolder', (global, actions, payload) => {
   void createChatFolder(folder, maxId);
 });
 
+addActionHandler('sortChatFolders', async (global, actions, payload) => {
+  const { folderIds } = payload!;
+
+  const result = await callApi('sortChatFolders', folderIds);
+  if (result) {
+    global = getGlobal();
+    setGlobal({
+      ...global,
+      chatFolders: {
+        ...global.chatFolders,
+        orderedIds: folderIds,
+      },
+    });
+  }
+});
+
 addActionHandler('deleteChatFolder', (global, actions, payload) => {
   const { id } = payload!;
   const folder = selectChatFolder(global, id);

src/global/types.ts

@@ -1052,6 +1052,7 @@ export interface ActionPayloads {
 
   // Settings
   requestNextSettingsScreen: SettingsScreens;
+  sortChatFolders: { folderIds: number[] };
   closeDeleteChatFolderModal: never;
   openDeleteChatFolderModal: { folderId: number };
   loadGlobalPrivacySettings: never;

src/lib/gramjs/tl/apiTl.js

@@ -1143,6 +1143,7 @@ messages.getPollVotes#b86e380e flags:# peer:InputPeer id:int option:flags.0?byte
 messages.getDialogFilters#f19ed96d = Vector<DialogFilter>;
 messages.getSuggestedDialogFilters#a29cd42c = Vector<DialogFilterSuggested>;
 messages.updateDialogFilter#1ad4a04a flags:# id:int filter:flags.0?DialogFilter = Bool;
+messages.updateDialogFiltersOrder#c563c1e4 order:Vector<int> = Bool;
 messages.getReplies#22ddd30c peer:InputPeer msg_id:int offset_id:int offset_date:int add_offset:int limit:int max_id:int min_id:int hash:long = messages.Messages;
 messages.getDiscussionMessage#446972fd peer:InputPeer msg_id:int = messages.DiscussionMessage;
 messages.readDiscussion#f731a9f4 peer:InputPeer msg_id:int read_max_id:int = Bool;

src/lib/gramjs/tl/static/api.json

@@ -146,6 +146,7 @@
     "messages.getDialogFilters",
     "messages.getSuggestedDialogFilters",
     "messages.updateDialogFilter",
+    "messages.updateDialogFiltersOrder",
     "messages.getReplies",
     "messages.getDiscussionMessage",
     "messages.readDiscussion",

src/styles/icons.scss

@@ -51,6 +51,9 @@
 .icon-volume-3:before {
   content: "\e991";
 }
+.icon-sort:before {
+  content: "\e9ac";
+}
 .icon-web:before {
   content: "\e9ab";
 }

src/util/fallbackLangPack.ts

@@ -1853,4 +1853,8 @@ export default {
     key: 'Settings.TipsUsername',
     value: 'TelegramTips',
   },
+  FoldersAllChatsDesc: {
+    key: 'FoldersAllChatsDesc',
+    value: 'All unarchived chats',
+  },
 } as ApiLangPack;