Delete the remainder of groups

Fixes element-hq/element-web#22770
Continues #8027

Author: turt2live

src/IConfigOptions.ts

@@ -179,9 +179,6 @@ export interface IConfigOptions {
 
     sync_timeline_limit?: number;
     dangerously_allow_unsafe_and_insecure_passwords?: boolean; // developer option
-
-    // XXX: Undocumented URL for the "Learn more about spaces" link in the "Communities don't exist" messaging.
-    spaces_learn_more_url?: string;
 }
 
 export interface ISsoRedirectOptions {

src/PageTypes.ts

@@ -20,7 +20,6 @@ enum PageType {
     HomePage = "home_page",
     RoomView = "room_view",
     UserView = "user_view",
-    LegacyGroupView = "legacy_group_view",
 }
 
 export default PageType;

src/PosthogTrackers.ts

@@ -41,7 +41,6 @@ const loggedInPageTypeMap: Record<PageType, ScreenName> = {
     [PageType.HomePage]: "Home",
     [PageType.RoomView]: "Room",
     [PageType.UserView]: "User",
-    [PageType.LegacyGroupView]: "Group",
 };
 
 export default class PosthogTrackers {

src/SdkConfig.ts

@@ -44,7 +44,6 @@ export const DEFAULTS: IConfigOptions = {
         logo: require("../res/img/element-desktop-logo.svg").default,
         url: "https://element.io/get-started",
     },
-    spaces_learn_more_url: "https://element.io/blog/spaces-blast-out-of-beta/",
 };
 
 export default class SdkConfig {

src/components/structures/LegacyGroupView.tsx

@@ -67,7 +67,6 @@ import RightPanelStore from '../../stores/right-panel/RightPanelStore';
 import { TimelineRenderingType } from "../../contexts/RoomContext";
 import { KeyBindingAction } from "../../accessibility/KeyboardShortcuts";
 import { SwitchSpacePayload } from "../../dispatcher/payloads/SwitchSpacePayload";
-import LegacyGroupView from "./LegacyGroupView";
 import { IConfigOptions } from "../../IConfigOptions";
 import LeftPanelLiveShareWarning from '../views/beacon/LeftPanelLiveShareWarning';
 import { UserOnboardingPage } from '../views/user-onboarding/UserOnboardingPage';
@@ -103,8 +102,6 @@ interface IProps {
     justRegistered?: boolean;
     roomJustCreatedOpts?: IOpts;
     forceTimeline?: boolean; // see props on MatrixChat
-
-    currentGroupId?: string;
 }
 
 interface IState {
@@ -641,10 +638,6 @@ class LoggedInView extends React.Component<IProps, IState> {
             case PageTypes.UserView:
                 pageElement = <UserView userId={this.props.currentUserId} resizeNotifier={this.props.resizeNotifier} />;
                 break;
-
-            case PageTypes.LegacyGroupView:
-                pageElement = <LegacyGroupView groupId={this.props.currentGroupId} />;
-                break;
         }
 
         const wrapperClasses = classNames({

src/components/structures/LoggedInView.tsx

@@ -188,8 +188,6 @@ interface IState {
     currentRoomId?: string;
     // If we're trying to just view a user ID (i.e. /user URL), this is it
     currentUserId?: string;
-    // Group ID for legacy "communities don't exist" page
-    currentGroupId?: string;
     // this is persisted as mx_lhs_size, loaded in LoggedInView
     collapseLhs: boolean;
     // Parameters used in the registration dance with the IS
@@ -679,9 +677,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                 }
                 break;
             }
-            case 'view_legacy_group':
-                this.viewLegacyGroup(payload.groupId);
-                break;
             case Action.ViewUserSettings: {
                 const tabPayload = payload as OpenToTabPayload;
                 Modal.createDialog(UserSettingsDialog,
@@ -1023,16 +1018,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         });
     }
 
-    private viewLegacyGroup(groupId: string) {
-        this.setStateForNewView({
-            view: Views.LOGGED_IN,
-            currentRoomId: null,
-            currentGroupId: groupId,
-        });
-        this.notifyNewScreen('group/' + groupId);
-        this.setPage(PageType.LegacyGroupView);
-    }
-
     private async createRoom(defaultPublic = false, defaultName?: string, type?: RoomType) {
         const modal = Modal.createDialog(CreateRoomDialog, {
             type,
@@ -1803,12 +1788,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                 userId: userId,
                 subAction: params.action,
             });
-        } else if (screen.indexOf('group/') === 0) {
-            const groupId = screen.substring(6);
-            dis.dispatch({
-                action: 'view_legacy_group',
-                groupId: groupId,
-            });
         } else {
             logger.info("Ignoring showScreen for '%s'", screen);
         }

src/components/structures/MatrixChat.tsx

@@ -30,13 +30,11 @@ import dis from './dispatcher/dispatcher';
 import { Action } from './dispatcher/actions';
 import { ViewUserPayload } from './dispatcher/payloads/ViewUserPayload';
 import { ViewRoomPayload } from "./dispatcher/payloads/ViewRoomPayload";
-import { showGroupReplacedWithSpacesDialog } from "./group_helpers";
 
 export enum Type {
     URL = "url",
     UserId = "userid",
     RoomAlias = "roomalias",
-    GroupId = "groupid",
 }
 
 // Linkify stuff doesn't type scanner/parser/utils properly :/
@@ -115,11 +113,6 @@ function onUserClick(event: MouseEvent, userId: string) {
     });
 }
 
-function onGroupClick(event: MouseEvent, groupId: string) {
-    event.preventDefault();
-    showGroupReplacedWithSpacesDialog(groupId);
-}
-
 function onAliasClick(event: MouseEvent, roomAlias: string) {
     event.preventDefault();
     dis.dispatch<ViewRoomPayload>({
@@ -192,23 +185,13 @@ export const options = {
                         onAliasClick(e, alias);
                     },
                 };
-
-            case Type.GroupId:
-                return {
-                    // @ts-ignore see https://linkify.js.org/docs/options.html
-                    click: function(e: MouseEvent) {
-                        const groupId = parsePermalink(href).groupId;
-                        onGroupClick(e, groupId);
-                    },
-                };
         }
     },
 
     formatHref: function(href: string, type: Type | string): string {
         switch (type) {
             case Type.RoomAlias:
             case Type.UserId:
-            case Type.GroupId:
             default: {
                 return tryTransformEntityToPermalink(href);
             }
@@ -255,17 +238,6 @@ registerPlugin(Type.RoomAlias, ({ scanner, parser, utils }) => {
     });
 });
 
-registerPlugin(Type.GroupId, ({ scanner, parser, utils }) => {
-    const token = scanner.tokens.PLUS as '+';
-    matrixOpaqueIdLinkifyParser({
-        scanner,
-        parser,
-        utils,
-        token,
-        name: Type.GroupId,
-    });
-});
-
 registerPlugin(Type.UserId, ({ scanner, parser, utils }) => {
     const token = scanner.tokens.AT as '@';
     matrixOpaqueIdLinkifyParser({

src/group_helpers.tsx

@@ -43,17 +43,11 @@ export default class ElementPermalinkConstructor extends PermalinkConstructor {
         return `${this.elementUrl}/#/user/${userId}`;
     }
 
-    forGroup(groupId: string): string {
-        return `${this.elementUrl}/#/group/${groupId}`;
-    }
-
     forEntity(entityId: string): string {
         if (entityId[0] === '!' || entityId[0] === '#') {
             return this.forRoom(entityId);
         } else if (entityId[0] === '@') {
             return this.forUser(entityId);
-        } else if (entityId[0] === '+') {
-            return this.forGroup(entityId);
         } else throw new Error("Unrecognized entity");
     }
 
@@ -107,8 +101,6 @@ export default class ElementPermalinkConstructor extends PermalinkConstructor {
             const eventId = parts.length > 2 ? parts.slice(2).join('/') : "";
             const via = query.split(/&?via=/).filter(p => !!p);
             return PermalinkParts.forEvent(entity, eventId, via);
-        } else if (entityType === 'group') {
-            return PermalinkParts.forGroup(entity);
         } else {
             throw new Error("Unknown entity type in permalink");
         }