add new create room

src/app/features/create-room/CreateRoom.tsx

@@ -0,0 +1,680 @@
+import React, {
+  FormEventHandler,
+  KeyboardEventHandler,
+  MouseEventHandler,
+  useCallback,
+  useEffect,
+  useRef,
+  useState,
+} from 'react';
+import {
+  ICreateRoomOpts,
+  ICreateRoomStateEvent,
+  JoinRule,
+  MatrixClient,
+  MatrixError,
+  RestrictedAllowType,
+  Room,
+} from 'matrix-js-sdk';
+import {
+  Box,
+  Button,
+  Chip,
+  color,
+  config,
+  Icon,
+  Icons,
+  Input,
+  Menu,
+  PopOut,
+  RectCords,
+  Spinner,
+  Switch,
+  Text,
+  TextArea,
+  toRem,
+} from 'folds';
+import FocusTrap from 'focus-trap-react';
+import { RoomJoinRulesEventContent } from 'matrix-js-sdk/lib/types';
+import { isKeyHotkey } from 'is-hotkey';
+import { SettingTile } from '../../components/setting-tile';
+import { SequenceCard } from '../../components/sequence-card';
+import {
+  getMxIdServer,
+  knockRestrictedSupported,
+  knockSupported,
+  restrictedSupported,
+} from '../../utils/matrix';
+import { useMatrixClient } from '../../hooks/useMatrixClient';
+import { millisecondsToMinutes, replaceSpaceWithDash } from '../../utils/common';
+import { AsyncState, AsyncStatus, useAsync, useAsyncCallback } from '../../hooks/useAsyncCallback';
+import { useDebounce } from '../../hooks/useDebounce';
+import { useCapabilities } from '../../hooks/useCapabilities';
+import { stopPropagation } from '../../utils/keyboard';
+import { getViaServers } from '../../plugins/via-servers';
+import { StateEvent } from '../../../types/matrix/room';
+import { getIdServer } from '../../../util/matrixUtil';
+import { useAlive } from '../../hooks/useAlive';
+import { ErrorCode } from '../../cs-errorcode';
+
+export enum CreateRoomKind {
+  Private = 'private',
+  Restricted = 'restricted',
+  Public = 'public',
+}
+type CreateRoomKindSelectorProps = {
+  value?: CreateRoomKind;
+  onSelect: (value: CreateRoomKind) => void;
+  canRestrict?: boolean;
+  disabled?: boolean;
+};
+export function CreateRoomKindSelector({
+  value,
+  onSelect,
+  canRestrict,
+  disabled,
+}: CreateRoomKindSelectorProps) {
+  return (
+    <Box shrink="No" direction="Column" gap="100">
+      <SequenceCard
+        style={{ padding: config.space.S300 }}
+        variant={value === CreateRoomKind.Private ? 'Primary' : 'SurfaceVariant'}
+        direction="Column"
+        gap="100"
+        as="button"
+        type="button"
+        aria-pressed={value === CreateRoomKind.Private}
+        onClick={() => onSelect(CreateRoomKind.Private)}
+        disabled={disabled}
+      >
+        <SettingTile
+          before={<Icon size="400" src={Icons.HashLock} />}
+          after={value === CreateRoomKind.Private && <Icon src={Icons.Check} />}
+        >
+          <Text size="H6">Private</Text>
+          <Text size="T300" priority="300">
+            Only people with invite can join.
+          </Text>
+        </SettingTile>
+      </SequenceCard>
+      {canRestrict && (
+        <SequenceCard
+          style={{ padding: config.space.S300 }}
+          variant={value === CreateRoomKind.Restricted ? 'Primary' : 'SurfaceVariant'}
+          direction="Column"
+          gap="100"
+          as="button"
+          type="button"
+          aria-pressed={value === CreateRoomKind.Restricted}
+          onClick={() => onSelect(CreateRoomKind.Restricted)}
+          disabled={disabled}
+        >
+          <SettingTile
+            before={<Icon size="400" src={Icons.Hash} />}
+            after={value === CreateRoomKind.Restricted && <Icon src={Icons.Check} />}
+          >
+            <Text size="H6">Restricted</Text>
+            <Text size="T300" priority="300">
+              Only member of parent space can join.
+            </Text>
+          </SettingTile>
+        </SequenceCard>
+      )}
+      <SequenceCard
+        style={{ padding: config.space.S300 }}
+        variant={value === CreateRoomKind.Public ? 'Primary' : 'SurfaceVariant'}
+        direction="Column"
+        gap="100"
+        as="button"
+        type="button"
+        aria-pressed={value === CreateRoomKind.Public}
+        onClick={() => onSelect(CreateRoomKind.Public)}
+        disabled={disabled}
+      >
+        <SettingTile
+          before={<Icon size="400" src={Icons.HashGlobe} />}
+          after={value === CreateRoomKind.Public && <Icon src={Icons.Check} />}
+        >
+          <Text size="H6">Public</Text>
+          <Text size="T300" priority="300">
+            Anyone with the room address can join.
+          </Text>
+        </SettingTile>
+      </SequenceCard>
+    </Box>
+  );
+}
+
+export function AliasInput({ disabled }: { disabled?: boolean }) {
+  const mx = useMatrixClient();
+  const aliasInputRef = useRef<HTMLInputElement>(null);
+  const [aliasAvail, setAliasAvail] = useState<AsyncState<boolean, Error>>({
+    status: AsyncStatus.Idle,
+  });
+
+  useEffect(() => {
+    if (aliasAvail.status === AsyncStatus.Success && aliasInputRef.current?.value === '') {
+      setAliasAvail({ status: AsyncStatus.Idle });
+    }
+  }, [aliasAvail]);
+
+  const checkAliasAvail = useAsync(
+    useCallback(
+      async (aliasLocalPart: string) => {
+        const roomAlias = `#${aliasLocalPart}:${getMxIdServer(mx.getSafeUserId())}`;
+        try {
+          const result = await mx.getRoomIdForAlias(roomAlias);
+          return typeof result.room_id !== 'string';
+        } catch (e) {
+          if (e instanceof MatrixError && e.httpStatus === 404) {
+            return true;
+          }
+          throw e;
+        }
+      },
+      [mx]
+    ),
+    setAliasAvail
+  );
+  const aliasAvailable: boolean | undefined =
+    aliasAvail.status === AsyncStatus.Success ? aliasAvail.data : undefined;
+
+  const debounceCheckAliasAvail = useDebounce(checkAliasAvail, { wait: 500 });
+
+  const handleAliasChange: FormEventHandler<HTMLInputElement> = (evt) => {
+    const aliasInput = evt.currentTarget;
+    const aliasLocalPart = replaceSpaceWithDash(aliasInput.value);
+    if (aliasLocalPart) {
+      aliasInput.value = aliasLocalPart;
+      debounceCheckAliasAvail(aliasLocalPart);
+    } else {
+      setAliasAvail({ status: AsyncStatus.Idle });
+    }
+  };
+
+  const handleAliasKeyDown: KeyboardEventHandler<HTMLInputElement> = (evt) => {
+    if (isKeyHotkey('enter', evt)) {
+      evt.preventDefault();
+
+      const aliasInput = evt.currentTarget;
+      const aliasLocalPart = replaceSpaceWithDash(aliasInput.value);
+      if (aliasLocalPart) {
+        checkAliasAvail(aliasLocalPart);
+      } else {
+        setAliasAvail({ status: AsyncStatus.Idle });
+      }
+    }
+  };
+
+  return (
+    <Box shrink="No" direction="Column" gap="100">
+      <Text size="L400">Address (Optional)</Text>
+      <Text size="T200" priority="300">
+        Pick an unique address to make your room discoverable to public.
+      </Text>
+      <Input
+        ref={aliasInputRef}
+        onChange={handleAliasChange}
+        before={
+          aliasAvail.status === AsyncStatus.Loading ? (
+            <Spinner size="100" variant="Secondary" />
+          ) : (
+            <Icon size="100" src={Icons.Hash} />
+          )
+        }
+        after={
+          <Text style={{ maxWidth: toRem(150) }} truncate>
+            :{getMxIdServer(mx.getSafeUserId())}
+          </Text>
+        }
+        onKeyDown={handleAliasKeyDown}
+        name="aliasInput"
+        size="500"
+        variant={aliasAvailable === true ? 'Success' : 'SurfaceVariant'}
+        radii="400"
+        disabled={disabled}
+      />
+      {aliasAvailable === false && (
+        <Box style={{ color: color.Critical.Main }} alignItems="Center" gap="100">
+          <Icon src={Icons.Warning} filled size="50" />
+          <Text size="T200">
+            <b>This address is already taken. Please select a different one.</b>
+          </Text>
+        </Box>
+      )}
+    </Box>
+  );
+}
+
+export function RoomVersionSelector({
+  versions,
+  value,
+  onChange,
+  disabled,
+}: {
+  versions: string[];
+  value: string;
+  onChange: (value: string) => void;
+  disabled?: boolean;
+}) {
+  const [menuCords, setMenuCords] = useState<RectCords>();
+
+  const handleMenu: MouseEventHandler<HTMLButtonElement> = (evt) => {
+    setMenuCords(evt.currentTarget.getBoundingClientRect());
+  };
+
+  const handleSelect = (version: string) => {
+    setMenuCords(undefined);
+    onChange(version);
+  };
+
+  return (
+    <SequenceCard
+      style={{ padding: config.space.S300 }}
+      variant="SurfaceVariant"
+      direction="Column"
+      gap="500"
+    >
+      <SettingTile
+        title="Room Version"
+        after={
+          <PopOut
+            anchor={menuCords}
+            offset={5}
+            position="Bottom"
+            align="End"
+            content={
+              <FocusTrap
+                focusTrapOptions={{
+                  initialFocus: false,
+                  onDeactivate: () => setMenuCords(undefined),
+                  clickOutsideDeactivates: true,
+                  isKeyForward: (evt: KeyboardEvent) =>
+                    evt.key === 'ArrowDown' || evt.key === 'ArrowRight',
+                  isKeyBackward: (evt: KeyboardEvent) =>
+                    evt.key === 'ArrowUp' || evt.key === 'ArrowLeft',
+                  escapeDeactivates: stopPropagation,
+                }}
+              >
+                <Menu>
+                  <Box
+                    direction="Column"
+                    gap="200"
+                    style={{ padding: config.space.S200, maxWidth: toRem(300) }}
+                  >
+                    <Text size="L400">Room Versions</Text>
+                    <Box wrap="Wrap" gap="100">
+                      {versions.map((version) => (
+                        <Chip
+                          key={version}
+                          variant={value === version ? 'Primary' : 'SurfaceVariant'}
+                          aria-pressed={value === version}
+                          outlined={value === version}
+                          radii="300"
+                          onClick={() => handleSelect(version)}
+                          type="button"
+                        >
+                          <Text truncate size="T300">
+                            {version}
+                          </Text>
+                        </Chip>
+                      ))}
+                    </Box>
+                  </Box>
+                </Menu>
+              </FocusTrap>
+            }
+          >
+            <Button
+              type="button"
+              onClick={handleMenu}
+              size="300"
+              variant="Secondary"
+              fill="Soft"
+              radii="300"
+              aria-pressed={!!menuCords}
+              before={<Icon size="50" src={menuCords ? Icons.ChevronTop : Icons.ChevronBottom} />}
+              disabled={disabled}
+            >
+              <Text size="B300">{value}</Text>
+            </Button>
+          </PopOut>
+        }
+      />
+    </SequenceCard>
+  );
+}
+
+type CreateRoomData = {
+  version: string;
+  parent?: Room;
+  kind: CreateRoomKind;
+  name: string;
+  topic?: string;
+  aliasLocalPart?: string;
+  encryption: boolean;
+  knock: boolean;
+  allowFederation: boolean;
+};
+const createRoom = async (mx: MatrixClient, data: CreateRoomData): Promise<string> => {
+  const creationContent = {
+    'm.federate': data.allowFederation,
+  };
+
+  const initialState: ICreateRoomStateEvent[] = [];
+
+  if (data.encryption) {
+    initialState.push({
+      type: 'm.room.encryption',
+      state_key: '',
+      content: {
+        algorithm: 'm.megolm.v1.aes-sha2',
+      },
+    });
+  }
+
+  if (data.parent) {
+    initialState.push({
+      type: StateEvent.SpaceParent,
+      state_key: data.parent.roomId,
+      content: {
+        canonical: true,
+        via: getViaServers(data.parent),
+      },
+    });
+  }
+
+  const getJoinRuleContent = (): RoomJoinRulesEventContent => {
+    if (data.kind === CreateRoomKind.Public) {
+      return {
+        join_rule: JoinRule.Public,
+      };
+    }
+
+    if (data.kind === CreateRoomKind.Restricted && data.parent) {
+      return {
+        join_rule: data.knock ? ('knock_restricted' as JoinRule) : JoinRule.Restricted,
+        allow: [
+          {
+            type: RestrictedAllowType.RoomMembership,
+            room_id: data.parent.roomId,
+          },
+        ],
+      };
+    }
+
+    return {
+      join_rule: data.knock ? JoinRule.Knock : JoinRule.Invite,
+    };
+  };
+
+  initialState.push({
+    type: StateEvent.RoomJoinRules,
+    content: getJoinRuleContent(),
+  });
+
+  const options: ICreateRoomOpts = {
+    room_version: data.version,
+    name: data.name,
+    topic: data.topic,
+    room_alias_name: data.aliasLocalPart,
+    creation_content: creationContent,
+    initial_state: initialState,
+  };
+
+  const result = await mx.createRoom(options);
+
+  if (data.parent) {
+    await mx.sendStateEvent(
+      data.parent.roomId,
+      StateEvent.SpaceChild as any,
+      {
+        auto_join: false,
+        suggested: false,
+        via: [getIdServer(mx.getUserId())],
+      },
+      result.room_id
+    );
+  }
+
+  return result.room_id;
+};
+
+const getCreateRoomKindToIcon = (kind: CreateRoomKind) => {
+  if (kind === CreateRoomKind.Private) return Icons.HashLock;
+  if (kind === CreateRoomKind.Restricted) return Icons.Hash;
+  return Icons.HashGlobe;
+};
+
+type CreateRoomFormProps = {
+  defaultKind?: CreateRoomKind;
+  space?: Room;
+  onCreate?: (roomId: string) => void;
+};
+export function CreateRoomForm({ defaultKind, space, onCreate }: CreateRoomFormProps) {
+  const mx = useMatrixClient();
+  const alive = useAlive();
+
+  const capabilities = useCapabilities();
+  const roomVersion = capabilities['m.room_versions'];
+  const [selectedRoomVersion, selectRoomVersion] = useState(roomVersion?.default ?? '1');
+
+  const [kind, setKind] = useState(defaultKind ?? CreateRoomKind.Private);
+  const [federation, setFederation] = useState(true);
+  const [encryption, setEncryption] = useState(false);
+  const [knock, setKnock] = useState(false);
+  const [advance, setAdvance] = useState(false);
+
+  const allowRestricted = space && restrictedSupported(selectedRoomVersion);
+  const allowKnock = kind === CreateRoomKind.Private && knockSupported(selectedRoomVersion);
+  const allowKnockRestricted =
+    kind === CreateRoomKind.Restricted && knockRestrictedSupported(selectedRoomVersion);
+
+  const handleRoomVersionChange = (version: string) => {
+    if (!restrictedSupported(version)) {
+      setKind(CreateRoomKind.Private);
+    }
+    selectRoomVersion(version);
+  };
+
+  const [createState, create] = useAsyncCallback<string, Error | MatrixError, [CreateRoomData]>(
+    useCallback((data) => createRoom(mx, data), [mx])
+  );
+  const loading = createState.status === AsyncStatus.Loading;
+  const error = createState.status === AsyncStatus.Error ? createState.error : undefined;
+  const disabled = createState.status === AsyncStatus.Loading;
+
+  const handleSubmit: FormEventHandler<HTMLFormElement> = (evt) => {
+    evt.preventDefault();
+    if (disabled) return;
+    const form = evt.currentTarget;
+
+    const nameInput = form.nameInput as HTMLInputElement | undefined;
+    const topicTextArea = form.topicTextAria as HTMLTextAreaElement | undefined;
+    const aliasInput = form.aliasInput as HTMLInputElement | undefined;
+    const roomName = nameInput?.value.trim();
+    const roomTopic = topicTextArea?.value.trim();
+    const aliasLocalPart =
+      aliasInput && aliasInput.value ? replaceSpaceWithDash(aliasInput.value) : undefined;
+
+    if (!roomName) return;
+    const publicRoom = kind === CreateRoomKind.Public;
+    let roomKnock = false;
+    if (allowKnock && kind === CreateRoomKind.Private) {
+      roomKnock = knock;
+    }
+    if (allowKnockRestricted && kind === CreateRoomKind.Restricted) {
+      roomKnock = knock;
+    }
+
+    create({
+      version: selectedRoomVersion,
+      parent: space,
+      kind,
+      name: roomName,
+      topic: roomTopic || undefined,
+      aliasLocalPart: publicRoom ? aliasLocalPart : undefined,
+      encryption: publicRoom ? false : encryption,
+      knock: roomKnock,
+      allowFederation: federation,
+    }).then((roomId) => {
+      if (alive()) {
+        onCreate?.(roomId);
+      }
+    });
+  };
+
+  return (
+    <Box as="form" onSubmit={handleSubmit} grow="Yes" direction="Column" gap="500">
+      <Box direction="Column" gap="100">
+        <Text size="L400">Access</Text>
+        <CreateRoomKindSelector
+          value={kind}
+          onSelect={setKind}
+          canRestrict={allowRestricted}
+          disabled={disabled}
+        />
+      </Box>
+      <Box shrink="No" direction="Column" gap="100">
+        <Text size="L400">Name</Text>
+        <Input
+          required
+          before={<Icon size="100" src={getCreateRoomKindToIcon(kind)} />}
+          name="nameInput"
+          autoFocus
+          size="500"
+          variant="SurfaceVariant"
+          radii="400"
+          disabled={disabled}
+        />
+      </Box>
+      <Box shrink="No" direction="Column" gap="100">
+        <Text size="L400">Topic (Optional)</Text>
+        <TextArea
+          name="topicTextAria"
+          size="500"
+          variant="SurfaceVariant"
+          radii="400"
+          disabled={disabled}
+        />
+      </Box>
+
+      {kind === CreateRoomKind.Public && <AliasInput />}
+
+      <Box shrink="No" direction="Column" gap="100">
+        <Box gap="200" alignItems="End">
+          <Text size="L400">Options</Text>
+          <Box grow="Yes" justifyContent="End">
+            <Chip
+              radii="Pill"
+              before={<Icon src={advance ? Icons.ChevronTop : Icons.ChevronBottom} size="50" />}
+              onClick={() => setAdvance(!advance)}
+              type="button"
+            >
+              <Text size="T200">Advance Options</Text>
+            </Chip>
+          </Box>
+        </Box>
+        {kind !== CreateRoomKind.Public && (
+          <>
+            <SequenceCard
+              style={{ padding: config.space.S300 }}
+              variant="SurfaceVariant"
+              direction="Column"
+              gap="500"
+            >
+              <SettingTile
+                title="End-to-End Encryption"
+                description="Once this feature is enabled, it can't be disabled after the room is created."
+                after={
+                  <Switch
+                    variant="Primary"
+                    value={encryption}
+                    onChange={setEncryption}
+                    disabled={disabled}
+                  />
+                }
+              />
+            </SequenceCard>
+            {advance && (allowKnock || allowKnockRestricted) && (
+              <SequenceCard
+                style={{ padding: config.space.S300 }}
+                variant="SurfaceVariant"
+                direction="Column"
+                gap="500"
+              >
+                <SettingTile
+                  title="Knock to Join"
+                  description="Anyone can send request to join this room."
+                  after={
+                    <Switch
+                      variant="Primary"
+                      value={knock}
+                      onChange={setKnock}
+                      disabled={disabled}
+                    />
+                  }
+                />
+              </SequenceCard>
+            )}
+          </>
+        )}
+
+        <SequenceCard
+          style={{ padding: config.space.S300 }}
+          variant="SurfaceVariant"
+          direction="Column"
+          gap="500"
+        >
+          <SettingTile
+            title="Allow Federation"
+            description="Users from other servers can join."
+            after={
+              <Switch
+                variant="Primary"
+                value={federation}
+                onChange={setFederation}
+                disabled={disabled}
+              />
+            }
+          />
+        </SequenceCard>
+        {advance && (
+          <RoomVersionSelector
+            versions={roomVersion?.available ? Object.keys(roomVersion.available) : ['1']}
+            value={selectedRoomVersion}
+            onChange={handleRoomVersionChange}
+            disabled={disabled}
+          />
+        )}
+      </Box>
+
+      {error && (
+        <Box style={{ color: color.Critical.Main }} alignItems="Center" gap="200">
+          <Icon src={Icons.Warning} filled size="100" />
+          <Text size="T300" style={{ color: color.Critical.Main }}>
+            <b>
+              {error instanceof MatrixError && error.name === ErrorCode.M_LIMIT_EXCEEDED
+                ? `Server rate-limited your request for ${millisecondsToMinutes(
+                    (error.data.retry_after_ms as number | undefined) ?? 0
+                  )} minutes!`
+                : error.message}
+            </b>
+          </Text>
+        </Box>
+      )}
+      <Box shrink="No" direction="Column" gap="200">
+        <Button
+          type="submit"
+          size="500"
+          variant="Primary"
+          radii="400"
+          disabled={disabled}
+          before={loading && <Spinner variant="Primary" fill="Solid" size="200" />}
+        >
+          <Text size="B500">Create</Text>
+        </Button>
+      </Box>
+    </Box>
+  );
+}