element-web/src/components/structures/SpaceRoomDirectory.tsx
2021-05-27 10:11:28 +01:00

669 lines
24 KiB
TypeScript

/*
Copyright 2021 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React, {ReactNode, useMemo, useState} from "react";
import {Room} from "matrix-js-sdk/src/models/room";
import {MatrixClient} from "matrix-js-sdk/src/client";
import {EventType, RoomType} from "matrix-js-sdk/src/@types/event";
import classNames from "classnames";
import {sortBy} from "lodash";
import {MatrixClientPeg} from "../../MatrixClientPeg";
import dis from "../../dispatcher/dispatcher";
import {_t} from "../../languageHandler";
import AccessibleButton, {ButtonEvent} from "../views/elements/AccessibleButton";
import BaseDialog from "../views/dialogs/BaseDialog";
import Spinner from "../views/elements/Spinner";
import SearchBox from "./SearchBox";
import RoomAvatar from "../views/avatars/RoomAvatar";
import RoomName from "../views/elements/RoomName";
import {useAsyncMemo} from "../../hooks/useAsyncMemo";
import {EnhancedMap} from "../../utils/maps";
import StyledCheckbox from "../views/elements/StyledCheckbox";
import AutoHideScrollbar from "./AutoHideScrollbar";
import BaseAvatar from "../views/avatars/BaseAvatar";
import {mediaFromMxc} from "../../customisations/Media";
import InfoTooltip from "../views/elements/InfoTooltip";
import TextWithTooltip from "../views/elements/TextWithTooltip";
import {useStateToggle} from "../../hooks/useStateToggle";
import {getOrder} from "../../stores/SpaceStore";
import AccessibleTooltipButton from "../views/elements/AccessibleTooltipButton";
import {linkifyElement} from "../../HtmlUtils";
interface IHierarchyProps {
space: Room;
initialText?: string;
refreshToken?: any;
additionalButtons?: ReactNode;
showRoom(room: ISpaceSummaryRoom, viaServers?: string[], autoJoin?: boolean): void;
}
/* eslint-disable camelcase */
export interface ISpaceSummaryRoom {
canonical_alias?: string;
aliases: string[];
avatar_url?: string;
guest_can_join: boolean;
name?: string;
num_joined_members: number
room_id: string;
topic?: string;
world_readable: boolean;
num_refs: number;
room_type: string;
}
export interface ISpaceSummaryEvent {
room_id: string;
event_id: string;
origin_server_ts: number;
type: string;
state_key: string;
content: {
order?: string;
suggested?: boolean;
auto_join?: boolean;
via?: string[];
};
}
/* eslint-enable camelcase */
interface ITileProps {
room: ISpaceSummaryRoom;
suggested?: boolean;
selected?: boolean;
numChildRooms?: number;
hasPermissions?: boolean;
onViewRoomClick(autoJoin: boolean): void;
onToggleClick?(): void;
}
const Tile: React.FC<ITileProps> = ({
room,
suggested,
selected,
hasPermissions,
onToggleClick,
onViewRoomClick,
numChildRooms,
children,
}) => {
const cli = MatrixClientPeg.get();
const joinedRoom = cli.getRoom(room.room_id)?.getMyMembership() === "join" ? cli.getRoom(room.room_id) : null;
const name = joinedRoom?.name || room.name || room.canonical_alias || room.aliases?.[0]
|| (room.room_type === RoomType.Space ? _t("Unnamed Space") : _t("Unnamed Room"));
const [showChildren, toggleShowChildren] = useStateToggle(true);
const onPreviewClick = (ev: ButtonEvent) => {
ev.preventDefault();
ev.stopPropagation();
onViewRoomClick(false);
}
const onJoinClick = (ev: ButtonEvent) => {
ev.preventDefault();
ev.stopPropagation();
onViewRoomClick(true);
}
let button;
if (joinedRoom) {
button = <AccessibleButton onClick={onPreviewClick} kind="primary_outline">
{ _t("View") }
</AccessibleButton>;
} else if (onJoinClick) {
button = <AccessibleButton onClick={onJoinClick} kind="primary">
{ _t("Join") }
</AccessibleButton>;
}
let checkbox;
if (onToggleClick) {
if (hasPermissions) {
checkbox = <StyledCheckbox checked={!!selected} onChange={onToggleClick} />;
} else {
checkbox = <TextWithTooltip
tooltip={_t("You don't have permission")}
onClick={ev => { ev.stopPropagation() }}
>
<StyledCheckbox disabled={true} />
</TextWithTooltip>;
}
}
let avatar;
if (joinedRoom) {
avatar = <RoomAvatar room={joinedRoom} width={20} height={20} />;
} else {
avatar = <BaseAvatar
name={name}
idName={room.room_id}
url={room.avatar_url ? mediaFromMxc(room.avatar_url).getSquareThumbnailHttp(20) : null}
width={20}
height={20}
/>;
}
let description = _t("%(count)s members", { count: room.num_joined_members });
if (numChildRooms !== undefined) {
description += " · " + _t("%(count)s rooms", { count: numChildRooms });
}
const topic = joinedRoom?.currentState?.getStateEvents(EventType.RoomTopic, "")?.getContent()?.topic || room.topic;
if (topic) {
description += " · " + topic;
}
let suggestedSection;
if (suggested) {
suggestedSection = <InfoTooltip tooltip={_t("This room is suggested as a good one to join")}>
{ _t("Suggested") }
</InfoTooltip>;
}
const content = <React.Fragment>
{ avatar }
<div className="mx_SpaceRoomDirectory_roomTile_name">
{ name }
{ suggestedSection }
</div>
<div
className="mx_SpaceRoomDirectory_roomTile_info"
ref={e => e && linkifyElement(e)}
onClick={ev => {
// prevent clicks on links from bubbling up to the room tile
if ((ev.target as HTMLElement).tagName === "A") {
ev.stopPropagation();
}
}}
>
{ description }
</div>
<div className="mx_SpaceRoomDirectory_actions">
{ button }
{ checkbox }
</div>
</React.Fragment>;
let childToggle;
let childSection;
if (children) {
// the chevron is purposefully a div rather than a button as it should be ignored for a11y
childToggle = <div
className={classNames("mx_SpaceRoomDirectory_subspace_toggle", {
mx_SpaceRoomDirectory_subspace_toggle_shown: showChildren,
})}
onClick={ev => {
ev.stopPropagation();
toggleShowChildren();
}}
/>;
if (showChildren) {
childSection = <div className="mx_SpaceRoomDirectory_subspace_children">
{ children }
</div>;
}
}
return <>
<AccessibleButton
className={classNames("mx_SpaceRoomDirectory_roomTile", {
mx_SpaceRoomDirectory_subspace: room.room_type === RoomType.Space,
})}
onClick={(hasPermissions && onToggleClick) ? onToggleClick : onPreviewClick}
>
{ content }
{ childToggle }
</AccessibleButton>
{ childSection }
</>;
};
export const showRoom = (room: ISpaceSummaryRoom, viaServers?: string[], autoJoin = false) => {
// Don't let the user view a room they won't be able to either peek or join:
// fail earlier so they don't have to click back to the directory.
if (MatrixClientPeg.get().isGuest()) {
if (!room.world_readable && !room.guest_can_join) {
dis.dispatch({ action: "require_registration" });
return;
}
}
const roomAlias = getDisplayAliasForRoom(room) || undefined;
dis.dispatch({
action: "view_room",
auto_join: autoJoin,
should_peek: true,
_type: "room_directory", // instrumentation
room_alias: roomAlias,
room_id: room.room_id,
via_servers: viaServers,
oob_data: {
avatarUrl: room.avatar_url,
// XXX: This logic is duplicated from the JS SDK which would normally decide what the name is.
name: room.name || roomAlias || _t("Unnamed room"),
},
});
};
interface IHierarchyLevelProps {
spaceId: string;
rooms: Map<string, ISpaceSummaryRoom>;
relations: Map<string, Map<string, ISpaceSummaryEvent>>;
parents: Set<string>;
selectedMap?: Map<string, Set<string>>;
onViewRoomClick(roomId: string, autoJoin: boolean): void;
onToggleClick?(parentId: string, childId: string): void;
}
export const HierarchyLevel = ({
spaceId,
rooms,
relations,
parents,
selectedMap,
onViewRoomClick,
onToggleClick,
}: IHierarchyLevelProps) => {
const cli = MatrixClientPeg.get();
const space = cli.getRoom(spaceId);
const hasPermissions = space?.currentState.maySendStateEvent(EventType.SpaceChild, cli.getUserId());
const children = Array.from(relations.get(spaceId)?.values() || []);
const sortedChildren = sortBy(children, ev => {
// XXX: Space Summary API doesn't give the child origin_server_ts but once it does we should use it for sorting
return getOrder(ev.content.order, null, ev.state_key);
});
const [subspaces, childRooms] = sortedChildren.reduce((result, ev: ISpaceSummaryEvent) => {
const roomId = ev.state_key;
if (!rooms.has(roomId)) return result;
result[rooms.get(roomId).room_type === RoomType.Space ? 0 : 1].push(roomId);
return result;
}, [[], []]) || [[], []];
const newParents = new Set(parents).add(spaceId);
return <React.Fragment>
{
childRooms.map(roomId => (
<Tile
key={roomId}
room={rooms.get(roomId)}
suggested={relations.get(spaceId)?.get(roomId)?.content.suggested}
selected={selectedMap?.get(spaceId)?.has(roomId)}
onViewRoomClick={(autoJoin) => {
onViewRoomClick(roomId, autoJoin);
}}
hasPermissions={hasPermissions}
onToggleClick={onToggleClick ? () => onToggleClick(spaceId, roomId) : undefined}
/>
))
}
{
subspaces.filter(roomId => !newParents.has(roomId)).map(roomId => (
<Tile
key={roomId}
room={rooms.get(roomId)}
numChildRooms={Array.from(relations.get(roomId)?.values() || [])
.filter(ev => rooms.has(ev.state_key) && !rooms.get(ev.state_key).room_type).length}
suggested={relations.get(spaceId)?.get(roomId)?.content.suggested}
selected={selectedMap?.get(spaceId)?.has(roomId)}
onViewRoomClick={(autoJoin) => {
onViewRoomClick(roomId, autoJoin);
}}
hasPermissions={hasPermissions}
onToggleClick={onToggleClick ? () => onToggleClick(spaceId, roomId) : undefined}
>
<HierarchyLevel
spaceId={roomId}
rooms={rooms}
relations={relations}
parents={newParents}
selectedMap={selectedMap}
onViewRoomClick={onViewRoomClick}
onToggleClick={onToggleClick}
/>
</Tile>
))
}
</React.Fragment>
};
// mutate argument refreshToken to force a reload
export const useSpaceSummary = (cli: MatrixClient, space: Room, refreshToken?: any): [
null,
ISpaceSummaryRoom[],
Map<string, Map<string, ISpaceSummaryEvent>>?,
Map<string, Set<string>>?,
Map<string, Set<string>>?,
] | [Error] => {
// TODO pagination
return useAsyncMemo(async () => {
try {
const data = await cli.getSpaceSummary(space.roomId);
const parentChildRelations = new EnhancedMap<string, Map<string, ISpaceSummaryEvent>>();
const childParentRelations = new EnhancedMap<string, Set<string>>();
const viaMap = new EnhancedMap<string, Set<string>>();
data.events.map((ev: ISpaceSummaryEvent) => {
if (ev.type === EventType.SpaceChild) {
parentChildRelations.getOrCreate(ev.room_id, new Map()).set(ev.state_key, ev);
childParentRelations.getOrCreate(ev.state_key, new Set()).add(ev.room_id);
}
if (Array.isArray(ev.content.via)) {
const set = viaMap.getOrCreate(ev.state_key, new Set());
ev.content.via.forEach(via => set.add(via));
}
});
return [null, data.rooms as ISpaceSummaryRoom[], parentChildRelations, viaMap, childParentRelations];
} catch (e) {
console.error(e); // TODO
return [e];
}
}, [space, refreshToken], [undefined]);
};
export const SpaceHierarchy: React.FC<IHierarchyProps> = ({
space,
initialText = "",
showRoom,
refreshToken,
additionalButtons,
children,
}) => {
const cli = MatrixClientPeg.get();
const userId = cli.getUserId();
const [query, setQuery] = useState(initialText);
const [selected, setSelected] = useState(new Map<string, Set<string>>()); // Map<parentId, Set<childId>>
const [summaryError, rooms, parentChildMap, viaMap, childParentMap] = useSpaceSummary(cli, space, refreshToken);
const roomsMap = useMemo(() => {
if (!rooms) return null;
const lcQuery = query.toLowerCase().trim();
const roomsMap = new Map<string, ISpaceSummaryRoom>(rooms.map(r => [r.room_id, r]));
if (!lcQuery) return roomsMap;
const directMatches = rooms.filter(r => {
return r.name?.toLowerCase().includes(lcQuery) || r.topic?.toLowerCase().includes(lcQuery);
});
// Walk back up the tree to find all parents of the direct matches to show their place in the hierarchy
const visited = new Set<string>();
const queue = [...directMatches.map(r => r.room_id)];
while (queue.length) {
const roomId = queue.pop();
visited.add(roomId);
childParentMap.get(roomId)?.forEach(parentId => {
if (!visited.has(parentId)) {
queue.push(parentId);
}
});
}
// Remove any mappings for rooms which were not visited in the walk
Array.from(roomsMap.keys()).forEach(roomId => {
if (!visited.has(roomId)) {
roomsMap.delete(roomId);
}
});
return roomsMap;
}, [rooms, childParentMap, query]);
const [error, setError] = useState("");
const [removing, setRemoving] = useState(false);
const [saving, setSaving] = useState(false);
if (summaryError) {
return <p>{_t("Your server does not support showing space hierarchies.")}</p>;
}
let content;
if (roomsMap) {
const numRooms = Array.from(roomsMap.values()).filter(r => !r.room_type).length;
const numSpaces = roomsMap.size - numRooms - 1; // -1 at the end to exclude the space we are looking at
let countsStr;
if (numSpaces > 1) {
countsStr = _t("%(count)s rooms and %(numSpaces)s spaces", { count: numRooms, numSpaces });
} else if (numSpaces > 0) {
countsStr = _t("%(count)s rooms and 1 space", { count: numRooms, numSpaces });
} else {
countsStr = _t("%(count)s rooms", { count: numRooms, numSpaces });
}
let manageButtons;
if (space.getMyMembership() === "join" && space.currentState.maySendStateEvent(EventType.SpaceChild, userId)) {
const selectedRelations = Array.from(selected.keys()).flatMap(parentId => {
return [...selected.get(parentId).values()].map(childId => [parentId, childId]) as [string, string][];
});
const selectionAllSuggested = selectedRelations.every(([parentId, childId]) => {
return parentChildMap.get(parentId)?.get(childId)?.content.suggested;
});
const disabled = !selectedRelations.length || removing || saving;
let Button: React.ComponentType<React.ComponentProps<typeof AccessibleButton>> = AccessibleButton;
let props = {};
if (!selectedRelations.length) {
Button = AccessibleTooltipButton;
props = {
tooltip: _t("Select a room below first"),
yOffset: -40,
};
}
manageButtons = <>
<Button
{...props}
onClick={async () => {
setRemoving(true);
try {
for (const [parentId, childId] of selectedRelations) {
await cli.sendStateEvent(parentId, EventType.SpaceChild, {}, childId);
parentChildMap.get(parentId).delete(childId);
if (parentChildMap.get(parentId).size > 0) {
parentChildMap.set(parentId, new Map(parentChildMap.get(parentId)));
} else {
parentChildMap.delete(parentId);
}
}
} catch (e) {
setError(_t("Failed to remove some rooms. Try again later"));
}
setRemoving(false);
}}
kind="danger_outline"
disabled={disabled}
>
{ removing ? _t("Removing...") : _t("Remove") }
</Button>
<Button
{...props}
onClick={async () => {
setSaving(true);
try {
for (const [parentId, childId] of selectedRelations) {
const suggested = !selectionAllSuggested;
const existingContent = parentChildMap.get(parentId)?.get(childId)?.content;
if (!existingContent || existingContent.suggested === suggested) continue;
const content = {
...existingContent,
suggested: !selectionAllSuggested,
};
await cli.sendStateEvent(parentId, EventType.SpaceChild, content, childId);
parentChildMap.get(parentId).get(childId).content = content;
parentChildMap.set(parentId, new Map(parentChildMap.get(parentId)));
}
} catch (e) {
setError("Failed to update some suggestions. Try again later");
}
setSaving(false);
}}
kind="primary_outline"
disabled={disabled}
>
{ saving
? _t("Saving...")
: (selectionAllSuggested ? _t("Mark as not suggested") : _t("Mark as suggested"))
}
</Button>
</>;
}
let results;
if (roomsMap.size) {
const hasPermissions = space?.currentState.maySendStateEvent(EventType.SpaceChild, cli.getUserId());
results = <>
<HierarchyLevel
spaceId={space.roomId}
rooms={roomsMap}
relations={parentChildMap}
parents={new Set()}
selectedMap={selected}
onToggleClick={hasPermissions ? (parentId, childId) => {
setError("");
if (!selected.has(parentId)) {
setSelected(new Map(selected.set(parentId, new Set([childId]))));
return;
}
const parentSet = selected.get(parentId);
if (!parentSet.has(childId)) {
setSelected(new Map(selected.set(parentId, new Set([...parentSet, childId]))));
return;
}
parentSet.delete(childId);
setSelected(new Map(selected.set(parentId, new Set(parentSet))));
} : undefined}
onViewRoomClick={(roomId, autoJoin) => {
showRoom(roomsMap.get(roomId), Array.from(viaMap.get(roomId) || []), autoJoin);
}}
/>
{ children && <hr /> }
</>;
} else {
results = <div className="mx_SpaceRoomDirectory_noResults">
<h3>{ _t("No results found") }</h3>
<div>{ _t("You may want to try a different search or check for typos.") }</div>
</div>;
}
content = <>
<div className="mx_SpaceRoomDirectory_listHeader">
{ countsStr }
<span>
{ additionalButtons }
{ manageButtons }
</span>
</div>
{ error && <div className="mx_SpaceRoomDirectory_error">
{ error }
</div> }
<AutoHideScrollbar className="mx_SpaceRoomDirectory_list">
{ results }
{ children }
</AutoHideScrollbar>
</>;
} else {
content = <Spinner />;
}
// TODO loading state/error state
return <>
<SearchBox
className="mx_textinput_icon mx_textinput_search"
placeholder={ _t("Search names and descriptions") }
onSearch={setQuery}
autoFocus={true}
initialValue={initialText}
/>
{ content }
</>;
};
interface IProps {
space: Room;
initialText?: string;
onFinished(): void;
}
const SpaceRoomDirectory: React.FC<IProps> = ({ space, onFinished, initialText }) => {
const onCreateRoomClick = () => {
dis.dispatch({
action: 'view_create_room',
public: true,
});
onFinished();
};
const title = <React.Fragment>
<RoomAvatar room={space} height={32} width={32} />
<div>
<h1>{ _t("Explore rooms") }</h1>
<div><RoomName room={space} /></div>
</div>
</React.Fragment>;
return (
<BaseDialog className="mx_SpaceRoomDirectory" hasCancel={true} onFinished={onFinished} title={title}>
<div className="mx_Dialog_content">
{ _t("If you can't find the room you're looking for, ask for an invite or <a>create a new room</a>.",
null,
{a: sub => {
return <AccessibleButton kind="link" onClick={onCreateRoomClick}>{sub}</AccessibleButton>;
}},
) }
<SpaceHierarchy
space={space}
showRoom={(room: ISpaceSummaryRoom, viaServers?: string[], autoJoin = false) => {
showRoom(room, viaServers, autoJoin);
onFinished();
}}
initialText={initialText}
>
<AccessibleButton
onClick={onCreateRoomClick}
kind="primary"
className="mx_SpaceRoomDirectory_createRoom"
>
{ _t("Create room") }
</AccessibleButton>
</SpaceHierarchy>
</div>
</BaseDialog>
);
};
export default SpaceRoomDirectory;
// Similar to matrix-react-sdk's MatrixTools.getDisplayAliasForRoom
// but works with the objects we get from the public room list
function getDisplayAliasForRoom(room: ISpaceSummaryRoom) {
return room.canonical_alias || (room.aliases ? room.aliases[0] : "");
}