Add way to manage Restricted join rule in Room Settings

src/components/views/dialogs/ManageRestrictedJoinRuleDialog.tsx

@@ -0,0 +1,182 @@
+/*
+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, { useMemo, useState } from "react";
+import { Room } from "matrix-js-sdk/src/models/room";
+
+import { _t } from '../../../languageHandler';
+import { IDialogProps } from "./IDialogProps";
+import BaseDialog from "./BaseDialog";
+import SearchBox from "../../structures/SearchBox";
+import SpaceStore from "../../../stores/SpaceStore";
+import RoomAvatar from "../avatars/RoomAvatar";
+import AccessibleButton from "../elements/AccessibleButton";
+import AutoHideScrollbar from "../../structures/AutoHideScrollbar";
+import StyledCheckbox from "../elements/StyledCheckbox";
+import MatrixClientContext from "../../../contexts/MatrixClientContext";
+
+interface IProps extends IDialogProps {
+    room: Room;
+    selected?: string[];
+}
+
+const Entry = ({ room, checked, onChange }) => {
+    const localRoom = room instanceof Room;
+
+    let description;
+    if (localRoom) {
+        description = _t("%(count)s members", { count: room.getJoinedMemberCount() });
+        const numChildRooms = SpaceStore.instance.getChildRooms(room.roomId).length;
+        if (numChildRooms > 0) {
+            description += " · " + _t("%(count)s rooms", { count: numChildRooms });
+        }
+    }
+
+    return <label className="mx_ManageRestrictedJoinRuleDialog_entry">
+        <div>
+            <div>
+                { localRoom
+                    ? <RoomAvatar room={room} height={20} width={20} />
+                    : <RoomAvatar oobData={room} height={20} width={20} />
+                }
+                <span className="mx_ManageRestrictedJoinRuleDialog_entry_name">{ room.name }</span>
+            </div>
+            { description && <div className="mx_ManageRestrictedJoinRuleDialog_entry_description">
+                { description }
+            </div> }
+        </div>
+        <StyledCheckbox
+            onChange={onChange ? (e) => onChange(e.target.checked) : null}
+            checked={checked}
+            disabled={!onChange}
+        />
+    </label>;
+};
+
+const ManageRestrictedJoinRuleDialog: React.FC<IProps> = ({ room, selected = [], onFinished }) => {
+    const cli = room.client;
+    const [newSelected, setNewSelected] = useState(new Set<string>(selected));
+    const [query, setQuery] = useState("");
+    const lcQuery = query.toLowerCase().trim();
+
+    const [spacesContainingRoom, otherEntries] = useMemo(() => {
+        const spaces = cli.getVisibleRooms().filter(r => r.getMyMembership() === "join" && r.isSpaceRoom());
+        return [
+            spaces.filter(r => SpaceStore.instance.getSpaceFilteredRoomIds(r).has(room.roomId)),
+            selected.map(roomId => {
+                const room = cli.getRoom(roomId);
+                if (!room) {
+                    return { roomId, name: roomId } as Room;
+                }
+                if (room.getMyMembership() !== "join" || !room.isSpaceRoom()) {
+                    return room;
+                }
+            }).filter(Boolean),
+        ];
+    }, [cli, selected, room.roomId]);
+
+    const [filteredSpacesContainingRooms, filteredOtherEntries] = useMemo(() => [
+        spacesContainingRoom.filter(r => r.name.toLowerCase().includes(lcQuery)),
+        otherEntries.filter(r => r.name.toLowerCase().includes(lcQuery)),
+    ], [spacesContainingRoom, otherEntries, lcQuery]);
+
+    const onChange = (checked: boolean, room: Room): void => {
+        if (checked) {
+            newSelected.add(room.roomId);
+        } else {
+            newSelected.delete(room.roomId);
+        }
+        setNewSelected(new Set(newSelected));
+    };
+
+    return <BaseDialog
+        title={_t("Select spaces")}
+        className="mx_ManageRestrictedJoinRuleDialog"
+        onFinished={onFinished}
+        fixedWidth={false}
+    >
+        <p>
+            { _t("Decide which spaces can access this room. " +
+                "If a space is selected its members will be able to find and join <RoomName/>.", {}, {
+                RoomName: () => <b>{ room.name }</b>,
+            })}
+        </p>
+        <MatrixClientContext.Provider value={cli}>
+            <SearchBox
+                className="mx_textinput_icon mx_textinput_search"
+                placeholder={ _t("Search spaces") }
+                onSearch={setQuery}
+                autoComplete={true}
+                autoFocus={true}
+            />
+            <AutoHideScrollbar className="mx_ManageRestrictedJoinRuleDialog_content">
+                { filteredSpacesContainingRooms.length > 0 ? (
+                    <div className="mx_ManageRestrictedJoinRuleDialog_section">
+                        <h3>{ _t("Spaces you know that contain this room") }</h3>
+                        { filteredSpacesContainingRooms.map(space => {
+                            return <Entry
+                                key={space.roomId}
+                                room={space}
+                                checked={newSelected.has(space.roomId)}
+                                onChange={(checked: boolean) => {
+                                    onChange(checked, space);
+                                }}
+                            />;
+                        }) }
+                    </div>
+                ) : undefined }
+
+                { filteredOtherEntries.length > 0 ? (
+                    <div className="mx_ManageRestrictedJoinRuleDialog_section">
+                        <h3>{ _t("Other spaces or rooms you might not know") }</h3>
+                        <div className="mx_ManageRestrictedJoinRuleDialog_section_experimental">
+                            <div>{ _t("These are likely ones other room admins are a part of.") }</div>
+                        </div>
+                        { filteredOtherEntries.map(space => {
+                            return <Entry
+                                key={space.roomId}
+                                room={space}
+                                checked={newSelected.has(space.roomId)}
+                                onChange={(checked: boolean) => {
+                                    onChange(checked, space);
+                                }}
+                            />;
+                        }) }
+                    </div>
+                ) : null }
+
+                { filteredSpacesContainingRooms.length + filteredOtherEntries.length < 1
+                    ? <span className="mx_ManageRestrictedJoinRuleDialog_noResults">
+                        { _t("No results") }
+                    </span>
+                    : undefined
+                }
+            </AutoHideScrollbar>
+
+            <div className="mx_ManageRestrictedJoinRuleDialog_footer">
+                <AccessibleButton kind="primary_outline" onClick={() => onFinished()}>
+                    { _t("Cancel") }
+                </AccessibleButton>
+                <AccessibleButton kind="primary" onClick={() => onFinished(Array.from(newSelected))}>
+                    { _t("Confirm") }
+                </AccessibleButton>
+            </div>
+        </MatrixClientContext.Provider>
+    </BaseDialog>;
+};
+
+export default ManageRestrictedJoinRuleDialog;
+