diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js index eec398680..fc7503ac4 100644 --- a/lib/shared/thread-utils.js +++ b/lib/shared/thread-utils.js @@ -1,1986 +1,1995 @@ // @flow import invariant from 'invariant'; import _find from 'lodash/fp/find.js'; import _mapValues from 'lodash/fp/mapValues.js'; import _omit from 'lodash/fp/omit.js'; import _omitBy from 'lodash/fp/omitBy.js'; import * as React from 'react'; import { getUserAvatarForThread } from './avatar-utils.js'; import { generatePendingThreadColor } from './color-utils.js'; import { type ParserRules } from './markdown.js'; import { extractUserMentionsFromText } from './mention-utils.js'; import { getMessageTitle, isInvalidSidebarSource } from './message-utils.js'; import { relationshipBlockedInEitherDirection } from './relationship-utils.js'; import { useForwardLookupSearchText, useSearchUsers } from './search-utils.js'; import threadWatcher from './thread-watcher.js'; import { fetchMostRecentMessagesActionTypes, useFetchMostRecentMessages, } from '../actions/message-actions.js'; import type { RemoveUsersFromThreadInput } from '../actions/thread-actions'; import { newThreadActionTypes, removeUsersFromThreadActionTypes, } from '../actions/thread-actions.js'; import { searchUsers as searchUserCall } from '../actions/user-actions.js'; import ashoat from '../facts/ashoat.js'; import genesis from '../facts/genesis.js'; import { useLoggedInUserInfo } from '../hooks/account-hooks.js'; import { extractKeyserverIDFromID } from '../keyserver-conn/keyserver-call-utils.js'; import { useLegacyAshoatKeyserverCall } from '../keyserver-conn/legacy-keyserver-call.js'; import { hasPermission, permissionsToBitmaskHex, threadPermissionsFromBitmaskHex, } from '../permissions/minimally-encoded-thread-permissions.js'; import { specialRoles } from '../permissions/special-roles.js'; import type { SpecialRole } from '../permissions/special-roles.js'; import { permissionLookup, getAllThreadPermissions, makePermissionsBlob, } from '../permissions/thread-permissions.js'; import type { ChatThreadItem, ChatMessageInfoItem, } from '../selectors/chat-selectors.js'; import { useGlobalThreadSearchIndex } from '../selectors/nav-selectors.js'; import { threadInfoSelector, pendingToRealizedThreadIDsSelector, threadInfosSelectorForThreadType, } from '../selectors/thread-selectors.js'; import { getRelativeMemberInfos, usersWithPersonalThreadSelector, } from '../selectors/user-selectors.js'; import type { CalendarQuery } from '../types/entry-types.js'; import { messageTypes } from '../types/message-types-enum.js'; import { type RobotextMessageInfo, type ComposableMessageInfo, } from '../types/message-types.js'; import type { RelativeMemberInfo, RawThreadInfo, MemberInfo, ThreadCurrentUserInfo, RoleInfo, ThreadInfo, } from '../types/minimally-encoded-thread-permissions-types.js'; import { decodeMinimallyEncodedRoleInfo, minimallyEncodeMemberInfo, minimallyEncodeRawThreadInfo, minimallyEncodeRoleInfo, minimallyEncodeThreadCurrentUserInfo, } from '../types/minimally-encoded-thread-permissions-types.js'; import { userRelationshipStatus } from '../types/relationship-types.js'; import { threadPermissionPropagationPrefixes, threadPermissions, configurableCommunityPermissions, type ThreadPermission, type ThreadPermissionsInfo, type ThreadRolePermissionsBlob, type UserSurfacedPermission, threadPermissionFilterPrefixes, } from '../types/thread-permission-types.js'; import { type ThreadType, threadTypes, threadTypeIsCommunityRoot, assertThreadType, } from '../types/thread-types-enum.js'; import type { LegacyRawThreadInfo, ClientLegacyRoleInfo, ServerThreadInfo, ServerMemberInfo, ClientNewThreadRequest, NewThreadResult, ChangeThreadSettingsPayload, UserProfileThreadInfo, MixedRawThreadInfos, LegacyMemberInfo, } from '../types/thread-types.js'; import { updateTypes } from '../types/update-types-enum.js'; import { type ClientUpdateInfo } from '../types/update-types.js'; import type { GlobalAccountUserInfo, UserInfos, AccountUserInfo, LoggedInUserInfo, UserInfo, } from '../types/user-types.js'; import type { GetENSNames } from '../utils/ens-helpers.js'; import { ET, entityTextToRawString, getEntityTextAsString, type ThreadEntity, type UserEntity, } from '../utils/entity-text.js'; import type { GetFCNames } from '../utils/farcaster-helpers.js'; import { entries, values } from '../utils/objects.js'; import { useDispatchActionPromise, type DispatchActionPromise, } from '../utils/redux-promise-utils.js'; import { useSelector } from '../utils/redux-utils.js'; import { usingCommServicesAccessToken } from '../utils/services-utils.js'; import { firstLine } from '../utils/string-utils.js'; import { trimText } from '../utils/text-utils.js'; import { pendingThreadIDRegex } from '../utils/validation-utils.js'; function threadHasPermission( threadInfo: ?(ThreadInfo | LegacyRawThreadInfo | RawThreadInfo), permission: ThreadPermission, ): boolean { if (!threadInfo) { return false; } invariant( !permissionsDisabledByBlock.has(permission) || threadInfo?.uiName, `${permission} can be disabled by a block, but threadHasPermission can't ` + 'check for a block on RawThreadInfo. Please pass in ThreadInfo instead!', ); if (threadInfo.minimallyEncoded) { return hasPermission(threadInfo.currentUser.permissions, permission); } return permissionLookup(threadInfo.currentUser.permissions, permission); } -function useThreadHasPermission( - threadInfo: ?ThreadInfo, +function useThreadsWithPermission( + threadInfos: $ReadOnlyArray, permission: ThreadPermission, -): boolean { +): $ReadOnlyArray { const loggedInUserInfo = useLoggedInUserInfo(); const userInfos = useSelector(state => state.userStore.userInfos); return React.useMemo(() => { - if (!threadInfo) { - return false; - } - - const permissions = threadFrozenDueToBlock( - threadInfo, - loggedInUserInfo?.id, - userInfos, - ) - ? filterOutDisabledPermissions(threadInfo.currentUser.permissions) - : threadInfo.currentUser.permissions; + return threadInfos.filter((threadInfo: ThreadInfo) => { + const permissions = threadFrozenDueToBlock( + threadInfo, + loggedInUserInfo?.id, + userInfos, + ) + ? filterOutDisabledPermissions(threadInfo.currentUser.permissions) + : threadInfo.currentUser.permissions; + + return hasPermission(permissions, permission); + }); + }, [loggedInUserInfo?.id, permission, threadInfos, userInfos]); +} - return hasPermission(permissions, permission); - }, [loggedInUserInfo?.id, permission, threadInfo, userInfos]); +function useThreadHasPermission( + threadInfo: ?ThreadInfo, + permission: ThreadPermission, +): boolean { + const threads = useThreadsWithPermission( + threadInfo ? [threadInfo] : [], + permission, + ); + return threads.length === 1; } function viewerIsMember( threadInfo: ?(ThreadInfo | LegacyRawThreadInfo | RawThreadInfo), ): boolean { return !!( threadInfo && threadInfo.currentUser.role !== null && threadInfo.currentUser.role !== undefined ); } function threadIsInHome(threadInfo: ?(RawThreadInfo | ThreadInfo)): boolean { return !!(threadInfo && threadInfo.currentUser.subscription.home); } // Can have messages function threadInChatList( threadInfo: ?(LegacyRawThreadInfo | RawThreadInfo | ThreadInfo), ): boolean { return ( viewerIsMember(threadInfo) && threadHasPermission(threadInfo, threadPermissions.VISIBLE) ); } function useIsThreadInChatList(threadInfo: ?ThreadInfo): boolean { const threadIsVisible = useThreadHasPermission( threadInfo, threadPermissions.VISIBLE, ); return viewerIsMember(threadInfo) && threadIsVisible; } function threadIsTopLevel(threadInfo: ?(RawThreadInfo | ThreadInfo)): boolean { return threadInChatList(threadInfo) && threadIsChannel(threadInfo); } function threadIsChannel(threadInfo: ?(RawThreadInfo | ThreadInfo)): boolean { return !!(threadInfo && threadInfo.type !== threadTypes.SIDEBAR); } function threadIsSidebar(threadInfo: ?(RawThreadInfo | ThreadInfo)): boolean { return threadInfo?.type === threadTypes.SIDEBAR; } function threadInBackgroundChatList( threadInfo: ?(RawThreadInfo | ThreadInfo), ): boolean { return threadInChatList(threadInfo) && !threadIsInHome(threadInfo); } function threadInHomeChatList( threadInfo: ?(RawThreadInfo | ThreadInfo), ): boolean { return threadInChatList(threadInfo) && threadIsInHome(threadInfo); } // Can have Calendar entries, // does appear as a top-level entity in the thread list function threadInFilterList( threadInfo: ?(LegacyRawThreadInfo | RawThreadInfo | ThreadInfo), ): boolean { return ( threadInChatList(threadInfo) && !!threadInfo && threadInfo.type !== threadTypes.SIDEBAR ); } function userIsMember( threadInfo: ?(RawThreadInfo | ThreadInfo), userID: string, ): boolean { if (!threadInfo) { return false; } if (threadInfo.id === genesis().id) { return true; } return threadInfo.members.some(member => member.id === userID && member.role); } function threadActualMembers( memberInfos: $ReadOnlyArray, ): $ReadOnlyArray { return memberInfos .filter(memberInfo => memberInfo.role) .map(memberInfo => memberInfo.id); } function threadOtherMembers< T: LegacyMemberInfo | MemberInfo | RelativeMemberInfo, >(memberInfos: $ReadOnlyArray, viewerID: ?string): $ReadOnlyArray { return memberInfos.filter( memberInfo => memberInfo.role && memberInfo.id !== viewerID, ); } function threadMembersWithoutAddedAdmin< T: LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, >(threadInfo: T): $PropertyType { if (threadInfo.community !== genesis().id) { return threadInfo.members; } const adminID = extractKeyserverIDFromID(threadInfo.id); return threadInfo.members.filter( member => member.id !== adminID || member.role, ); } function threadIsGroupChat(threadInfo: ThreadInfo): boolean { return threadInfo.members.length > 2; } function threadOrParentThreadIsGroupChat( threadInfo: LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, ) { return threadMembersWithoutAddedAdmin(threadInfo).length > 2; } function threadIsPending(threadID: ?string): boolean { return !!threadID?.startsWith('pending'); } function threadIsPendingSidebar(threadID: ?string): boolean { return !!threadID?.startsWith('pending/sidebar/'); } function getSingleOtherUser( threadInfo: LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, viewerID: ?string, ): ?string { if (!viewerID) { return undefined; } const otherMembers = threadOtherMembers(threadInfo.members, viewerID); if (otherMembers.length !== 1) { return undefined; } return otherMembers[0].id; } function getPendingThreadID( threadType: ThreadType, memberIDs: $ReadOnlyArray, sourceMessageID: ?string, ): string { const pendingThreadKey = sourceMessageID ? `sidebar/${sourceMessageID}` : [...memberIDs].sort().join('+'); const pendingThreadTypeString = sourceMessageID ? '' : `type${threadType}/`; return `pending/${pendingThreadTypeString}${pendingThreadKey}`; } type PendingThreadIDContents = { +threadType: ThreadType, +memberIDs: $ReadOnlyArray, +sourceMessageID: ?string, }; function parsePendingThreadID( pendingThreadID: string, ): ?PendingThreadIDContents { const pendingRegex = new RegExp(`^${pendingThreadIDRegex}$`); const pendingThreadIDMatches = pendingRegex.exec(pendingThreadID); if (!pendingThreadIDMatches) { return null; } const [threadTypeString, threadKey] = pendingThreadIDMatches[1].split('/'); const threadType = threadTypeString === 'sidebar' ? threadTypes.SIDEBAR : assertThreadType(Number(threadTypeString.replace('type', ''))); const memberIDs = threadTypeString === 'sidebar' ? [] : threadKey.split('+'); const sourceMessageID = threadTypeString === 'sidebar' ? threadKey : null; return { threadType, memberIDs, sourceMessageID, }; } type UserIDAndUsername = { +id: string, +username: string, ... }; type CreatePendingThreadArgs = { +viewerID: string, +threadType: ThreadType, +members: $ReadOnlyArray, +parentThreadInfo?: ?ThreadInfo, +threadColor?: ?string, +name?: ?string, +sourceMessageID?: string, }; function createPendingThread({ viewerID, threadType, members, parentThreadInfo, threadColor, name, sourceMessageID, }: CreatePendingThreadArgs): ThreadInfo { const now = Date.now(); if (!members.some(member => member.id === viewerID)) { throw new Error( 'createPendingThread should be called with the viewer as a member', ); } const memberIDs = members.map(member => member.id); const threadID = getPendingThreadID(threadType, memberIDs, sourceMessageID); const permissions: ThreadRolePermissionsBlob = { [threadPermissions.KNOW_OF]: true, [threadPermissions.VISIBLE]: true, [threadPermissions.VOICED]: true, }; const membershipPermissions = getAllThreadPermissions( makePermissionsBlob(permissions, null, threadID, threadType), threadID, ); const role: RoleInfo = { ...minimallyEncodeRoleInfo({ id: `${threadID}/role`, name: 'Members', permissions, isDefault: true, }), specialRole: specialRoles.DEFAULT_ROLE, }; const rawThreadInfo: RawThreadInfo = { minimallyEncoded: true, id: threadID, type: threadType, name: name ?? null, description: null, color: threadColor ?? generatePendingThreadColor(memberIDs), creationTime: now, parentThreadID: parentThreadInfo?.id ?? null, containingThreadID: getContainingThreadID(parentThreadInfo, threadType), community: getCommunity(parentThreadInfo), members: members.map(member => minimallyEncodeMemberInfo({ id: member.id, role: role.id, permissions: membershipPermissions, isSender: false, }), ), roles: { [role.id]: role, }, currentUser: minimallyEncodeThreadCurrentUserInfo({ role: role.id, permissions: membershipPermissions, subscription: { pushNotifs: false, home: false, }, unread: false, }), repliesCount: 0, sourceMessageID, pinnedCount: 0, }; const userInfos: { [string]: UserInfo } = {}; for (const member of members) { const { id, username } = member; userInfos[id] = { id, username }; } return threadInfoFromRawThreadInfo(rawThreadInfo, viewerID, userInfos); } type PendingPersonalThread = { +threadInfo: ThreadInfo, +pendingPersonalThreadUserInfo: UserInfo, }; function createPendingPersonalThread( loggedInUserInfo: LoggedInUserInfo, userID: string, username: string, ): PendingPersonalThread { const pendingPersonalThreadUserInfo = { id: userID, username: username, }; const threadInfo = createPendingThread({ viewerID: loggedInUserInfo.id, threadType: threadTypes.PERSONAL, members: [loggedInUserInfo, pendingPersonalThreadUserInfo], }); return { threadInfo, pendingPersonalThreadUserInfo }; } function createPendingThreadItem( loggedInUserInfo: LoggedInUserInfo, user: UserIDAndUsername, ): ChatThreadItem { const { threadInfo, pendingPersonalThreadUserInfo } = createPendingPersonalThread(loggedInUserInfo, user.id, user.username); return { type: 'chatThreadItem', threadInfo, mostRecentMessageInfo: null, mostRecentNonLocalMessage: null, lastUpdatedTime: threadInfo.creationTime, lastUpdatedTimeIncludingSidebars: threadInfo.creationTime, sidebars: [], pendingPersonalThreadUserInfo, }; } // Returns map from lowercase username to AccountUserInfo function memberLowercaseUsernameMap( members: $ReadOnlyArray, ): Map { const memberMap = new Map(); for (const member of members) { const { id, role, username } = member; if (!role || !username) { continue; } memberMap.set(username.toLowerCase(), { id, username }); } return memberMap; } // Returns map from user ID to AccountUserInfo function extractMentionedMembers( text: string, threadInfo: ThreadInfo, ): Map { const memberMap = memberLowercaseUsernameMap(threadInfo.members); const mentions = extractUserMentionsFromText(text); const mentionedMembers = new Map(); for (const mention of mentions) { const userInfo = memberMap.get(mention.toLowerCase()); if (userInfo) { mentionedMembers.set(userInfo.id, userInfo); } } return mentionedMembers; } // When a member of the parent is mentioned in a sidebar, // they will be automatically added to that sidebar function extractNewMentionedParentMembers( messageText: string, threadInfo: ThreadInfo, parentThreadInfo: ThreadInfo, ): AccountUserInfo[] { const mentionedMembersOfParent = extractMentionedMembers( messageText, parentThreadInfo, ); for (const member of threadInfo.members) { if (member.role) { mentionedMembersOfParent.delete(member.id); } } return [...mentionedMembersOfParent.values()]; } type SharedCreatePendingSidebarInput = { +sourceMessageInfo: ComposableMessageInfo | RobotextMessageInfo, +parentThreadInfo: ThreadInfo, +loggedInUserInfo: LoggedInUserInfo, }; type BaseCreatePendingSidebarInput = { ...SharedCreatePendingSidebarInput, +messageTitle: string, }; function baseCreatePendingSidebar( input: BaseCreatePendingSidebarInput, ): ThreadInfo { const { sourceMessageInfo, parentThreadInfo, loggedInUserInfo, messageTitle, } = input; const { color, type: parentThreadType } = parentThreadInfo; const threadName = trimText(messageTitle, 30); const initialMembers = new Map(); const { id: viewerID, username: viewerUsername } = loggedInUserInfo; initialMembers.set(viewerID, { id: viewerID, username: viewerUsername }); if (userIsMember(parentThreadInfo, sourceMessageInfo.creator.id)) { const { id: sourceAuthorID, username: sourceAuthorUsername } = sourceMessageInfo.creator; invariant( sourceAuthorUsername, 'sourceAuthorUsername should be set in createPendingSidebar', ); const initialMemberUserInfo = { id: sourceAuthorID, username: sourceAuthorUsername, }; initialMembers.set(sourceAuthorID, initialMemberUserInfo); } const singleOtherUser = getSingleOtherUser(parentThreadInfo, viewerID); if (parentThreadType === threadTypes.PERSONAL && singleOtherUser) { const singleOtherUsername = parentThreadInfo.members.find( member => member.id === singleOtherUser, )?.username; invariant( singleOtherUsername, 'singleOtherUsername should be set in createPendingSidebar', ); const singleOtherUserInfo = { id: singleOtherUser, username: singleOtherUsername, }; initialMembers.set(singleOtherUser, singleOtherUserInfo); } if (sourceMessageInfo.type === messageTypes.TEXT) { const mentionedMembersOfParent = extractMentionedMembers( sourceMessageInfo.text, parentThreadInfo, ); for (const [memberID, member] of mentionedMembersOfParent) { initialMembers.set(memberID, member); } } return createPendingThread({ viewerID, threadType: threadTypes.SIDEBAR, members: [...initialMembers.values()], parentThreadInfo, threadColor: color, name: threadName, sourceMessageID: sourceMessageInfo.id, }); } // The message title here may have ETH addresses that aren't resolved to ENS // names. This function should only be used in cases where we're sure that we // don't care about the thread title. We should prefer createPendingSidebar // wherever possible type CreateUnresolvedPendingSidebarInput = { ...SharedCreatePendingSidebarInput, +markdownRules: ParserRules, }; function createUnresolvedPendingSidebar( input: CreateUnresolvedPendingSidebarInput, ): ThreadInfo { const { sourceMessageInfo, parentThreadInfo, loggedInUserInfo, markdownRules, } = input; const messageTitleEntityText = getMessageTitle( sourceMessageInfo, parentThreadInfo, parentThreadInfo, markdownRules, ); const messageTitle = entityTextToRawString(messageTitleEntityText, { ignoreViewer: true, }); return baseCreatePendingSidebar({ sourceMessageInfo, parentThreadInfo, messageTitle, loggedInUserInfo, }); } type CreatePendingSidebarInput = { ...SharedCreatePendingSidebarInput, +markdownRules: ParserRules, +getENSNames: ?GetENSNames, +getFCNames: ?GetFCNames, }; async function createPendingSidebar( input: CreatePendingSidebarInput, ): Promise { const { sourceMessageInfo, parentThreadInfo, loggedInUserInfo, markdownRules, getENSNames, getFCNames, } = input; const messageTitleEntityText = getMessageTitle( sourceMessageInfo, parentThreadInfo, parentThreadInfo, markdownRules, ); const messageTitle = await getEntityTextAsString( messageTitleEntityText, { getENSNames, getFCNames }, { ignoreViewer: true }, ); invariant( messageTitle !== null && messageTitle !== undefined, 'getEntityTextAsString only returns falsey when passed falsey', ); return baseCreatePendingSidebar({ sourceMessageInfo, parentThreadInfo, messageTitle, loggedInUserInfo, }); } function pendingThreadType(numberOfOtherMembers: number): 4 | 6 | 7 { if (numberOfOtherMembers === 0) { return threadTypes.PRIVATE; } else if (numberOfOtherMembers === 1) { return threadTypes.PERSONAL; } else { return threadTypes.LOCAL; } } function threadTypeCanBePending(threadType: ThreadType): boolean { return ( threadType === threadTypes.PERSONAL || threadType === threadTypes.LOCAL || threadType === threadTypes.SIDEBAR || threadType === threadTypes.PRIVATE ); } type CreateRealThreadParameters = { +threadInfo: ThreadInfo, +dispatchActionPromise: DispatchActionPromise, +createNewThread: ClientNewThreadRequest => Promise, +sourceMessageID: ?string, +viewerID: ?string, +handleError?: () => mixed, +calendarQuery: CalendarQuery, }; async function createRealThreadFromPendingThread({ threadInfo, dispatchActionPromise, createNewThread, sourceMessageID, viewerID, calendarQuery, }: CreateRealThreadParameters): Promise { if (!threadIsPending(threadInfo.id)) { return threadInfo.id; } const otherMemberIDs = threadOtherMembers(threadInfo.members, viewerID).map( member => member.id, ); let resultPromise; if (threadInfo.type !== threadTypes.SIDEBAR) { invariant( otherMemberIDs.length > 0, 'otherMemberIDs should not be empty for threads', ); resultPromise = createNewThread({ type: pendingThreadType(otherMemberIDs.length), initialMemberIDs: otherMemberIDs, color: threadInfo.color, calendarQuery, }); } else { invariant( sourceMessageID, 'sourceMessageID should be set when creating a sidebar', ); resultPromise = createNewThread({ type: threadTypes.SIDEBAR, initialMemberIDs: otherMemberIDs, color: threadInfo.color, sourceMessageID, parentThreadID: threadInfo.parentThreadID, name: threadInfo.name, calendarQuery, }); } void dispatchActionPromise(newThreadActionTypes, resultPromise); const { newThreadID } = await resultPromise; return newThreadID; } type RawThreadInfoOptions = { +filterThreadEditAvatarPermission?: boolean, +excludePinInfo?: boolean, +filterManageInviteLinksPermission?: boolean, +filterVoicedInAnnouncementChannelsPermission?: boolean, +minimallyEncodePermissions?: boolean, +includeSpecialRoleFieldInRoles?: boolean, }; function rawThreadInfoFromServerThreadInfo( serverThreadInfo: ServerThreadInfo, viewerID: string, options?: RawThreadInfoOptions, ): ?LegacyRawThreadInfo | ?RawThreadInfo { const filterThreadEditAvatarPermission = options?.filterThreadEditAvatarPermission; const excludePinInfo = options?.excludePinInfo; const filterManageInviteLinksPermission = options?.filterManageInviteLinksPermission; const filterVoicedInAnnouncementChannelsPermission = options?.filterVoicedInAnnouncementChannelsPermission; const shouldMinimallyEncodePermissions = options?.minimallyEncodePermissions; const shouldIncludeSpecialRoleFieldInRoles = options?.includeSpecialRoleFieldInRoles; const filterThreadPermissions = _omitBy( (v, k) => (filterThreadEditAvatarPermission && [ threadPermissions.EDIT_THREAD_AVATAR, threadPermissionPropagationPrefixes.DESCENDANT + threadPermissions.EDIT_THREAD_AVATAR, ].includes(k)) || (excludePinInfo && [ threadPermissions.MANAGE_PINS, threadPermissionPropagationPrefixes.DESCENDANT + threadPermissions.MANAGE_PINS, ].includes(k)) || (filterManageInviteLinksPermission && [threadPermissions.MANAGE_INVITE_LINKS].includes(k)) || (filterVoicedInAnnouncementChannelsPermission && [ threadPermissions.VOICED_IN_ANNOUNCEMENT_CHANNELS, threadPermissionPropagationPrefixes.DESCENDANT + threadPermissionFilterPrefixes.TOP_LEVEL + threadPermissions.VOICED_IN_ANNOUNCEMENT_CHANNELS, ].includes(k)), ); const members = []; let currentUser; for (const serverMember of serverThreadInfo.members) { if ( serverThreadInfo.id === genesis().id && serverMember.id !== viewerID && serverMember.id !== ashoat.id ) { continue; } const memberPermissions = filterThreadPermissions(serverMember.permissions); members.push({ id: serverMember.id, role: serverMember.role, permissions: memberPermissions, isSender: serverMember.isSender, }); if (serverMember.id === viewerID) { currentUser = { role: serverMember.role, permissions: memberPermissions, subscription: serverMember.subscription, unread: serverMember.unread, }; } } let currentUserPermissions; if (currentUser) { currentUserPermissions = currentUser.permissions; } else { currentUserPermissions = filterThreadPermissions( getAllThreadPermissions(null, serverThreadInfo.id), ); currentUser = { role: null, permissions: currentUserPermissions, subscription: { home: false, pushNotifs: false, }, unread: null, }; } if (!permissionLookup(currentUserPermissions, threadPermissions.KNOW_OF)) { return null; } const rolesWithFilteredThreadPermissions = _mapValues(role => ({ ...role, permissions: filterThreadPermissions(role.permissions), }))(serverThreadInfo.roles); const rolesWithoutSpecialRoleField = _mapValues(role => { const { specialRole, ...roleSansSpecialRole } = role; return roleSansSpecialRole; })(rolesWithFilteredThreadPermissions); let rawThreadInfo: any = { id: serverThreadInfo.id, type: serverThreadInfo.type, name: serverThreadInfo.name, description: serverThreadInfo.description, color: serverThreadInfo.color, creationTime: serverThreadInfo.creationTime, parentThreadID: serverThreadInfo.parentThreadID, members, roles: rolesWithoutSpecialRoleField, currentUser, repliesCount: serverThreadInfo.repliesCount, containingThreadID: serverThreadInfo.containingThreadID, community: serverThreadInfo.community, }; const sourceMessageID = serverThreadInfo.sourceMessageID; if (sourceMessageID) { rawThreadInfo = { ...rawThreadInfo, sourceMessageID }; } if (serverThreadInfo.avatar) { rawThreadInfo = { ...rawThreadInfo, avatar: serverThreadInfo.avatar }; } if (!excludePinInfo) { rawThreadInfo = { ...rawThreadInfo, pinnedCount: serverThreadInfo.pinnedCount, }; } if (!shouldMinimallyEncodePermissions) { return rawThreadInfo; } const minimallyEncoded = minimallyEncodeRawThreadInfo(rawThreadInfo); if (shouldIncludeSpecialRoleFieldInRoles) { return minimallyEncoded; } const minimallyEncodedRolesWithoutSpecialRoleField = Object.fromEntries( entries(minimallyEncoded.roles).map(([key, role]) => [ key, { ..._omit('specialRole')(role), isDefault: roleIsDefaultRole(role), }, ]), ); return { ...minimallyEncoded, roles: minimallyEncodedRolesWithoutSpecialRoleField, }; } function threadUIName(threadInfo: ThreadInfo): string | ThreadEntity { if (threadInfo.name) { return firstLine(threadInfo.name); } const threadMembers: $ReadOnlyArray = threadInfo.members.filter(memberInfo => memberInfo.role); const memberEntities: $ReadOnlyArray = threadMembers.map(member => ET.user({ userInfo: member }), ); return { type: 'thread', id: threadInfo.id, name: threadInfo.name, display: 'uiName', uiName: memberEntities, ifJustViewer: threadInfo.type === threadTypes.PRIVATE ? 'viewer_username' : 'just_you_string', }; } function threadInfoFromRawThreadInfo( rawThreadInfo: RawThreadInfo, viewerID: ?string, userInfos: UserInfos, ): ThreadInfo { let threadInfo: ThreadInfo = { minimallyEncoded: true, id: rawThreadInfo.id, type: rawThreadInfo.type, name: rawThreadInfo.name, uiName: '', description: rawThreadInfo.description, color: rawThreadInfo.color, creationTime: rawThreadInfo.creationTime, parentThreadID: rawThreadInfo.parentThreadID, containingThreadID: rawThreadInfo.containingThreadID, community: rawThreadInfo.community, members: getRelativeMemberInfos(rawThreadInfo, viewerID, userInfos), roles: rawThreadInfo.roles, currentUser: getCurrentUser(rawThreadInfo, viewerID, userInfos), repliesCount: rawThreadInfo.repliesCount, }; threadInfo = { ...threadInfo, uiName: threadUIName(threadInfo), }; const { sourceMessageID, avatar, pinnedCount } = rawThreadInfo; if (sourceMessageID) { threadInfo = { ...threadInfo, sourceMessageID }; } if (avatar) { threadInfo = { ...threadInfo, avatar }; } else if ( rawThreadInfo.type === threadTypes.PERSONAL || rawThreadInfo.type === threadTypes.PRIVATE ) { threadInfo = { ...threadInfo, avatar: getUserAvatarForThread(rawThreadInfo, viewerID, userInfos), }; } if (pinnedCount) { threadInfo = { ...threadInfo, pinnedCount }; } return threadInfo; } function filterOutDisabledPermissions(permissionsBitmask: string): string { const decodedPermissions: ThreadPermissionsInfo = threadPermissionsFromBitmaskHex(permissionsBitmask); const updatedPermissions = { ...decodedPermissions, ...disabledPermissions }; const encodedUpdatedPermissions: string = permissionsToBitmaskHex(updatedPermissions); return encodedUpdatedPermissions; } function getCurrentUser( threadInfo: RawThreadInfo | ThreadInfo, viewerID: ?string, userInfos: UserInfos, ): ThreadCurrentUserInfo { if (!threadFrozenDueToBlock(threadInfo, viewerID, userInfos)) { return threadInfo.currentUser; } return { ...threadInfo.currentUser, permissions: filterOutDisabledPermissions( threadInfo.currentUser.permissions, ), }; } function threadIsWithBlockedUserOnly( threadInfo: LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, viewerID: ?string, userInfos: UserInfos, checkOnlyViewerBlock?: boolean, ): boolean { if ( threadOrParentThreadIsGroupChat(threadInfo) || threadOrParentThreadHasAdminRole(threadInfo) ) { return false; } const otherUserID = getSingleOtherUser(threadInfo, viewerID); if (!otherUserID) { return false; } const otherUserRelationshipStatus = userInfos[otherUserID]?.relationshipStatus; if (checkOnlyViewerBlock) { return ( otherUserRelationshipStatus === userRelationshipStatus.BLOCKED_BY_VIEWER ); } return ( !!otherUserRelationshipStatus && relationshipBlockedInEitherDirection(otherUserRelationshipStatus) ); } function threadFrozenDueToBlock( threadInfo: LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, viewerID: ?string, userInfos: UserInfos, ): boolean { return threadIsWithBlockedUserOnly(threadInfo, viewerID, userInfos); } function threadFrozenDueToViewerBlock( threadInfo: RawThreadInfo | ThreadInfo, communityThreadInfo: ?(RawThreadInfo | ThreadInfo), viewerID: ?string, userInfos: UserInfos, ): boolean { return threadIsWithBlockedUserOnly(threadInfo, viewerID, userInfos, true); } const threadTypeDescriptions: { [ThreadType]: string } = { [threadTypes.COMMUNITY_OPEN_SUBTHREAD]: 'Anybody in the parent channel can see an open subchannel.', [threadTypes.COMMUNITY_SECRET_SUBTHREAD]: 'Only visible to its members and admins of ancestor channels.', }; // Since we don't have access to all of the ancestor ThreadInfos, we approximate // "parent admin" as anybody with CHANGE_ROLE permissions. function memberHasAdminPowers( memberInfo: | RelativeMemberInfo | LegacyMemberInfo | MemberInfo | ServerMemberInfo, ): boolean { if (memberInfo.minimallyEncoded) { return hasPermission(memberInfo.permissions, threadPermissions.CHANGE_ROLE); } return !!memberInfo.permissions[threadPermissions.CHANGE_ROLE]?.value; } function roleIsDefaultRole( roleInfo: ?ClientLegacyRoleInfo | ?RoleInfo, ): boolean { if (roleInfo?.specialRole === specialRoles.DEFAULT_ROLE) { return true; } return !!(roleInfo && roleInfo.isDefault); } function roleIsAdminRole(roleInfo: ?ClientLegacyRoleInfo | ?RoleInfo): boolean { if (roleInfo?.specialRole === specialRoles.ADMIN_ROLE) { return true; } return !!(roleInfo && !roleInfo.isDefault && roleInfo.name === 'Admins'); } function threadHasAdminRole( threadInfo: ?( | LegacyRawThreadInfo | RawThreadInfo | ThreadInfo | ServerThreadInfo ), ): boolean { if (!threadInfo) { return false; } let hasSpecialRoleFieldBeenEncountered = false; for (const role of Object.values(threadInfo.roles)) { if (role.specialRole === specialRoles.ADMIN_ROLE) { return true; } if (role.specialRole !== undefined) { hasSpecialRoleFieldBeenEncountered = true; } } if (hasSpecialRoleFieldBeenEncountered) { return false; } return !!_find({ name: 'Admins' })(threadInfo.roles); } function threadOrParentThreadHasAdminRole( threadInfo: LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, ) { return ( threadMembersWithoutAddedAdmin(threadInfo).filter(member => memberHasAdminPowers(member), ).length > 0 ); } function identifyInvalidatedThreads( updateInfos: $ReadOnlyArray, ): Set { const invalidated = new Set(); for (const updateInfo of updateInfos) { if (updateInfo.type === updateTypes.DELETE_THREAD) { invalidated.add(updateInfo.threadID); } } return invalidated; } const permissionsDisabledByBlockArray = [ threadPermissions.VOICED, threadPermissions.EDIT_ENTRIES, threadPermissions.EDIT_THREAD_NAME, threadPermissions.EDIT_THREAD_COLOR, threadPermissions.EDIT_THREAD_DESCRIPTION, threadPermissions.CREATE_SUBCHANNELS, threadPermissions.CREATE_SIDEBARS, threadPermissions.JOIN_THREAD, threadPermissions.EDIT_PERMISSIONS, threadPermissions.ADD_MEMBERS, threadPermissions.REMOVE_MEMBERS, ]; const permissionsDisabledByBlock: Set = new Set( permissionsDisabledByBlockArray, ); const disabledPermissions: ThreadPermissionsInfo = permissionsDisabledByBlockArray.reduce( (permissions: ThreadPermissionsInfo, permission: string) => ({ ...permissions, [permission]: { value: false, source: null }, }), {}, ); // Consider updating itemHeight in native/chat/chat-thread-list.react.js // if you change this const emptyItemText: string = `Background chats are just like normal chats, except they don't ` + `contribute to your unread count.\n\n` + `To move a chat over here, switch the “Background” option in its settings.`; function threadNoun(threadType: ThreadType, parentThreadID: ?string): string { if (threadType === threadTypes.SIDEBAR) { return 'thread'; } else if ( threadType === threadTypes.COMMUNITY_SECRET_SUBTHREAD && parentThreadID === genesis().id ) { return 'chat'; } else if ( threadType === threadTypes.COMMUNITY_ROOT || threadType === threadTypes.COMMUNITY_ANNOUNCEMENT_ROOT || threadType === threadTypes.COMMUNITY_OPEN_SUBTHREAD || threadType === threadTypes.COMMUNITY_OPEN_ANNOUNCEMENT_SUBTHREAD || threadType === threadTypes.COMMUNITY_SECRET_SUBTHREAD || threadType === threadTypes.COMMUNITY_SECRET_ANNOUNCEMENT_SUBTHREAD || threadType === threadTypes.GENESIS ) { return 'channel'; } else { return 'chat'; } } function threadLabel(threadType: ThreadType): string { if ( threadType === threadTypes.COMMUNITY_OPEN_SUBTHREAD || threadType === threadTypes.COMMUNITY_OPEN_ANNOUNCEMENT_SUBTHREAD ) { return 'Open'; } else if (threadType === threadTypes.PERSONAL) { return 'Personal'; } else if (threadType === threadTypes.SIDEBAR) { return 'Thread'; } else if (threadType === threadTypes.PRIVATE) { return 'Private'; } else if ( threadType === threadTypes.COMMUNITY_ROOT || threadType === threadTypes.COMMUNITY_ANNOUNCEMENT_ROOT || threadType === threadTypes.GENESIS ) { return 'Community'; } else { return 'Secret'; } } function useWatchThread(threadInfo: ?ThreadInfo) { const dispatchActionPromise = useDispatchActionPromise(); const callFetchMostRecentMessages = useFetchMostRecentMessages(); const threadID = threadInfo?.id; const threadNotInChatList = !threadInChatList(threadInfo); React.useEffect(() => { if (threadID && threadNotInChatList) { threadWatcher.watchID(threadID); void dispatchActionPromise( fetchMostRecentMessagesActionTypes, callFetchMostRecentMessages({ threadID }), ); } return () => { if (threadID && threadNotInChatList) { threadWatcher.removeID(threadID); } }; }, [ callFetchMostRecentMessages, dispatchActionPromise, threadNotInChatList, threadID, ]); } type ExistingThreadInfoFinderParams = { +searching: boolean, +userInfoInputArray: $ReadOnlyArray, }; type ExistingThreadInfoFinder = ( params: ExistingThreadInfoFinderParams, ) => ?ThreadInfo; function useExistingThreadInfoFinder( baseThreadInfo: ?ThreadInfo, ): ExistingThreadInfoFinder { const threadInfos = useSelector(threadInfoSelector); const loggedInUserInfo = useLoggedInUserInfo(); const userInfos = useSelector(state => state.userStore.userInfos); const pendingToRealizedThreadIDs = useSelector(state => pendingToRealizedThreadIDsSelector(state.threadStore.threadInfos), ); return React.useCallback( (params: ExistingThreadInfoFinderParams): ?ThreadInfo => { if (!baseThreadInfo) { return null; } const realizedThreadInfo = threadInfos[baseThreadInfo.id]; if (realizedThreadInfo) { return realizedThreadInfo; } if (!loggedInUserInfo || !threadIsPending(baseThreadInfo.id)) { return baseThreadInfo; } const viewerID = loggedInUserInfo?.id; invariant( threadTypeCanBePending(baseThreadInfo.type), `ThreadInfo has pending ID ${baseThreadInfo.id}, but type that ` + `should not be pending ${baseThreadInfo.type}`, ); const { searching, userInfoInputArray } = params; const { sourceMessageID } = baseThreadInfo; const pendingThreadID = searching ? getPendingThreadID( pendingThreadType(userInfoInputArray.length), [...userInfoInputArray.map(user => user.id), viewerID], sourceMessageID, ) : getPendingThreadID( baseThreadInfo.type, baseThreadInfo.members.map(member => member.id), sourceMessageID, ); const realizedThreadID = pendingToRealizedThreadIDs.get(pendingThreadID); if (realizedThreadID && threadInfos[realizedThreadID]) { return threadInfos[realizedThreadID]; } const updatedThread = searching ? createPendingThread({ viewerID, threadType: pendingThreadType(userInfoInputArray.length), members: [loggedInUserInfo, ...userInfoInputArray], }) : baseThreadInfo; return { ...updatedThread, currentUser: getCurrentUser(updatedThread, viewerID, userInfos), }; }, [ baseThreadInfo, threadInfos, loggedInUserInfo, pendingToRealizedThreadIDs, userInfos, ], ); } type ThreadTypeParentRequirement = 'optional' | 'required' | 'disabled'; function getThreadTypeParentRequirement( threadType: ThreadType, ): ThreadTypeParentRequirement { if ( threadType === threadTypes.COMMUNITY_OPEN_SUBTHREAD || threadType === threadTypes.COMMUNITY_OPEN_ANNOUNCEMENT_SUBTHREAD || //threadType === threadTypes.COMMUNITY_SECRET_SUBTHREAD || threadType === threadTypes.COMMUNITY_SECRET_ANNOUNCEMENT_SUBTHREAD || threadType === threadTypes.SIDEBAR ) { return 'required'; } else if ( threadType === threadTypes.COMMUNITY_ROOT || threadType === threadTypes.COMMUNITY_ANNOUNCEMENT_ROOT || threadType === threadTypes.GENESIS || threadType === threadTypes.PERSONAL || threadType === threadTypes.PRIVATE ) { return 'disabled'; } else { return 'optional'; } } function threadMemberHasPermission( threadInfo: ThreadInfo, memberID: string, permission: ThreadPermission, ): boolean { for (const member of threadInfo.members) { if (member.id !== memberID) { continue; } return hasPermission(member.permissions, permission); } return false; } function useCanCreateSidebarFromMessage( threadInfo: ThreadInfo, messageInfo: ComposableMessageInfo | RobotextMessageInfo, ): boolean { const messageCreatorUserInfo = useSelector( state => state.userStore.userInfos[messageInfo.creator.id], ); const hasCreateSidebarsPermission = useThreadHasPermission( threadInfo, threadPermissions.CREATE_SIDEBARS, ); if (!hasCreateSidebarsPermission) { return false; } if ( !messageInfo.id || threadInfo.sourceMessageID === messageInfo.id || isInvalidSidebarSource(messageInfo) ) { return false; } const messageCreatorRelationship = messageCreatorUserInfo?.relationshipStatus; return ( !messageCreatorRelationship || !relationshipBlockedInEitherDirection(messageCreatorRelationship) ); } function useSidebarExistsOrCanBeCreated( threadInfo: ThreadInfo, messageItem: ChatMessageInfoItem, ): boolean { const canCreateSidebarFromMessage = useCanCreateSidebarFromMessage( threadInfo, messageItem.messageInfo, ); return !!messageItem.threadCreatedFromMessage || canCreateSidebarFromMessage; } function checkIfDefaultMembersAreVoiced(threadInfo: ThreadInfo): boolean { const defaultRoleID = Object.keys(threadInfo.roles).find(roleID => roleIsDefaultRole(threadInfo.roles[roleID]), ); invariant( defaultRoleID !== undefined, 'all threads should have a default role', ); const defaultRole = threadInfo.roles[defaultRoleID]; const defaultRolePermissions = decodeMinimallyEncodedRoleInfo(defaultRole).permissions; return !!defaultRolePermissions[threadPermissions.VOICED]; } const draftKeySuffix = '/message_composer'; function draftKeyFromThreadID(threadID: string): string { return `${threadID}${draftKeySuffix}`; } function getContainingThreadID( parentThreadInfo: | ?ServerThreadInfo | LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, threadType: ThreadType, ): ?string { if (!parentThreadInfo) { return null; } if (threadType === threadTypes.SIDEBAR) { return parentThreadInfo.id; } if (!parentThreadInfo.containingThreadID) { return parentThreadInfo.id; } return parentThreadInfo.containingThreadID; } function getCommunity( parentThreadInfo: | ?ServerThreadInfo | LegacyRawThreadInfo | RawThreadInfo | ThreadInfo, ): ?string { if (!parentThreadInfo) { return null; } const { id, community, type } = parentThreadInfo; if (community !== null && community !== undefined) { return community; } if (threadTypeIsCommunityRoot(type)) { return id; } return null; } function getThreadListSearchResults( chatListData: $ReadOnlyArray, searchText: string, threadFilter: ThreadInfo => boolean, threadSearchResults: $ReadOnlySet, usersSearchResults: $ReadOnlyArray, loggedInUserInfo: ?LoggedInUserInfo, ): $ReadOnlyArray { if (!searchText) { return chatListData.filter( item => threadIsTopLevel(item.threadInfo) && threadFilter(item.threadInfo), ); } const privateThreads = []; const personalThreads = []; const otherThreads = []; for (const item of chatListData) { if (!threadSearchResults.has(item.threadInfo.id)) { continue; } if (item.threadInfo.type === threadTypes.PRIVATE) { privateThreads.push({ ...item, sidebars: [] }); } else if (item.threadInfo.type === threadTypes.PERSONAL) { personalThreads.push({ ...item, sidebars: [] }); } else { otherThreads.push({ ...item, sidebars: [] }); } } const chatItems: ChatThreadItem[] = [ ...privateThreads, ...personalThreads, ...otherThreads, ]; if (loggedInUserInfo) { chatItems.push( ...usersSearchResults.map(user => createPendingThreadItem(loggedInUserInfo, user), ), ); } return chatItems; } type ThreadListSearchResult = { +threadSearchResults: $ReadOnlySet, +usersSearchResults: $ReadOnlyArray, }; function useThreadListSearch( searchText: string, viewerID: ?string, ): ThreadListSearchResult { const usersWithPersonalThread = useSelector(usersWithPersonalThreadSelector); const forwardLookupSearchText = useForwardLookupSearchText(searchText); const filterAndSetUserResults = React.useCallback( (userInfos: $ReadOnlyArray) => { const usersResults = userInfos.filter( info => !usersWithPersonalThread.has(info.id) && info.id !== viewerID, ); setUsersSearchResults(usersResults); }, [usersWithPersonalThread, viewerID], ); const legacyCallSearchUsers = useLegacyAshoatKeyserverCall(searchUserCall); const legacySearchUsers = React.useCallback( async (usernamePrefix: string) => { if (usernamePrefix.length === 0) { filterAndSetUserResults([]); } const { userInfos } = await legacyCallSearchUsers(usernamePrefix); filterAndSetUserResults(userInfos); }, [filterAndSetUserResults, legacyCallSearchUsers], ); const [threadSearchResults, setThreadSearchResults] = React.useState( new Set(), ); const [usersSearchResults, setUsersSearchResults] = React.useState< $ReadOnlyArray, >([]); const threadSearchIndex = useGlobalThreadSearchIndex(); React.useEffect(() => { void (async () => { const results = threadSearchIndex.getSearchResults(searchText); setThreadSearchResults(new Set(results)); if (!usingCommServicesAccessToken) { await legacySearchUsers(forwardLookupSearchText); } })(); }, [ searchText, forwardLookupSearchText, threadSearchIndex, legacySearchUsers, ]); const identitySearchUsers = useSearchUsers(forwardLookupSearchText); React.useEffect(() => { if (usingCommServicesAccessToken) { filterAndSetUserResults(identitySearchUsers); } }, [filterAndSetUserResults, identitySearchUsers]); return { threadSearchResults, usersSearchResults }; } function removeMemberFromThread( threadInfo: ThreadInfo, memberInfo: RelativeMemberInfo, dispatchActionPromise: DispatchActionPromise, removeUserFromThreadServerCall: ( input: RemoveUsersFromThreadInput, ) => Promise, ) { const customKeyName = `${removeUsersFromThreadActionTypes.started}:${memberInfo.id}`; void dispatchActionPromise( removeUsersFromThreadActionTypes, removeUserFromThreadServerCall({ threadID: threadInfo.id, memberIDs: [memberInfo.id], }), { customKeyName }, ); } function useAvailableThreadMemberActions( memberInfo: RelativeMemberInfo, threadInfo: ThreadInfo, canEdit: ?boolean = true, ): $ReadOnlyArray<'change_role' | 'remove_user'> { const canRemoveMembers = useThreadHasPermission( threadInfo, threadPermissions.REMOVE_MEMBERS, ); const canChangeRoles = useThreadHasPermission( threadInfo, threadPermissions.CHANGE_ROLE, ); return React.useMemo(() => { const { role } = memberInfo; if (!canEdit || !role) { return []; } const result = []; if ( canChangeRoles && memberInfo.username && threadHasAdminRole(threadInfo) ) { result.push('change_role'); } if ( canRemoveMembers && !memberInfo.isViewer && (canChangeRoles || roleIsDefaultRole(threadInfo.roles[role])) ) { result.push('remove_user'); } return result; }, [canChangeRoles, canEdit, canRemoveMembers, memberInfo, threadInfo]); } function patchThreadInfoToIncludeMentionedMembersOfParent( threadInfo: ThreadInfo, parentThreadInfo: ThreadInfo, messageText: string, viewerID: string, ): ThreadInfo { const members: UserIDAndUsername[] = threadInfo.members .map(({ id, username }) => username ? ({ id, username }: UserIDAndUsername) : null, ) .filter(Boolean); const mentionedNewMembers = extractNewMentionedParentMembers( messageText, threadInfo, parentThreadInfo, ); if (mentionedNewMembers.length === 0) { return threadInfo; } members.push(...mentionedNewMembers); return createPendingThread({ viewerID, threadType: threadTypes.SIDEBAR, members, parentThreadInfo, threadColor: threadInfo.color, name: threadInfo.name, sourceMessageID: threadInfo.sourceMessageID, }); } function threadInfoInsideCommunity( threadInfo: RawThreadInfo | ThreadInfo, communityID: string, ): boolean { return threadInfo.community === communityID || threadInfo.id === communityID; } type RoleAndMemberCount = { [roleName: string]: number, }; function useRoleMemberCountsForCommunity( threadInfo: ThreadInfo, ): RoleAndMemberCount { return React.useMemo(() => { const roleIDsToNames: { [string]: string } = {}; Object.keys(threadInfo.roles).forEach(roleID => { roleIDsToNames[roleID] = threadInfo.roles[roleID].name; }); const roleNamesToMemberCount: RoleAndMemberCount = {}; threadInfo.members.forEach(({ role: roleID }) => { invariant(roleID, 'Community member should have a role'); const roleName = roleIDsToNames[roleID]; roleNamesToMemberCount[roleName] = (roleNamesToMemberCount[roleName] ?? 0) + 1; }); // For all community roles with no members, add them to the list with 0 Object.keys(roleIDsToNames).forEach(roleName => { if (roleNamesToMemberCount[roleIDsToNames[roleName]] === undefined) { roleNamesToMemberCount[roleIDsToNames[roleName]] = 0; } }); return roleNamesToMemberCount; }, [threadInfo.members, threadInfo.roles]); } function useRoleNamesToSpecialRole(threadInfo: ThreadInfo): { +[roleName: string]: ?SpecialRole, } { return React.useMemo(() => { const roleNamesToSpecialRole: { [roleName: string]: ?SpecialRole } = {}; values(threadInfo.roles).forEach(role => { if (roleNamesToSpecialRole[role.name] !== undefined) { return; } if (roleIsDefaultRole(role)) { roleNamesToSpecialRole[role.name] = specialRoles.DEFAULT_ROLE; } else if (roleIsAdminRole(role)) { roleNamesToSpecialRole[role.name] = specialRoles.ADMIN_ROLE; } else { roleNamesToSpecialRole[role.name] = null; } }); return roleNamesToSpecialRole; }, [threadInfo.roles]); } type RoleUserSurfacedPermissions = { +[roleName: string]: $ReadOnlySet, }; // Iterates through the existing roles in the community and 'reverse maps' // the set of permission literals for each role to user-facing permission enums // to help pre-populate the permission checkboxes when editing roles. function useRoleUserSurfacedPermissions( threadInfo: ThreadInfo, ): RoleUserSurfacedPermissions { return React.useMemo(() => { const roleNamesToPermissions: { [string]: Set } = {}; Object.keys(threadInfo.roles).forEach(roleID => { const roleName = threadInfo.roles[roleID].name; const rolePermissions = Object.keys( decodeMinimallyEncodedRoleInfo(threadInfo.roles[roleID]).permissions, ); const setOfUserSurfacedPermissions = new Set(); rolePermissions.forEach(rolePermission => { const userSurfacedPermission = Object.keys( configurableCommunityPermissions, ).find(key => configurableCommunityPermissions[key].has(rolePermission), ); if (userSurfacedPermission) { setOfUserSurfacedPermissions.add(userSurfacedPermission); } }); roleNamesToPermissions[roleName] = setOfUserSurfacedPermissions; }); return roleNamesToPermissions; }, [threadInfo.roles]); } function communityOrThreadNoun(threadInfo: RawThreadInfo | ThreadInfo): string { return threadTypeIsCommunityRoot(threadInfo.type) ? 'community' : threadNoun(threadInfo.type, threadInfo.parentThreadID); } function getThreadsToDeleteText( threadInfo: RawThreadInfo | ThreadInfo, ): string { return `${ threadTypeIsCommunityRoot(threadInfo.type) ? 'Subchannels and threads' : 'Threads' } within this ${communityOrThreadNoun(threadInfo)}`; } function useUserProfileThreadInfo(userInfo: ?UserInfo): ?UserProfileThreadInfo { const userID = userInfo?.id; const username = userInfo?.username; const loggedInUserInfo = useLoggedInUserInfo(); const isViewerProfile = loggedInUserInfo?.id === userID; const privateThreadInfosSelector = threadInfosSelectorForThreadType( threadTypes.PRIVATE, ); const privateThreadInfos = useSelector(privateThreadInfosSelector); const personalThreadInfosSelector = threadInfosSelectorForThreadType( threadTypes.PERSONAL, ); const personalThreadInfos = useSelector(personalThreadInfosSelector); const usersWithPersonalThread = useSelector(usersWithPersonalThreadSelector); return React.useMemo(() => { if (!loggedInUserInfo || !userID || !username) { return null; } if (isViewerProfile) { const privateThreadInfo: ?ThreadInfo = privateThreadInfos[0]; return privateThreadInfo ? { threadInfo: privateThreadInfo } : null; } if (usersWithPersonalThread.has(userID)) { const personalThreadInfo: ?ThreadInfo = personalThreadInfos.find( threadInfo => userID === getSingleOtherUser(threadInfo, loggedInUserInfo.id), ); return personalThreadInfo ? { threadInfo: personalThreadInfo } : null; } const pendingPersonalThreadInfo = createPendingPersonalThread( loggedInUserInfo, userID, username, ); return pendingPersonalThreadInfo; }, [ isViewerProfile, loggedInUserInfo, personalThreadInfos, privateThreadInfos, userID, username, usersWithPersonalThread, ]); } function assertAllThreadInfosAreLegacy(rawThreadInfos: MixedRawThreadInfos): { [id: string]: LegacyRawThreadInfo, } { return Object.fromEntries( Object.entries(rawThreadInfos).map(([id, rawThreadInfo]) => { invariant( !rawThreadInfo.minimallyEncoded, `rawThreadInfos shouldn't be minimallyEncoded`, ); return [id, rawThreadInfo]; }), ); } export { threadHasPermission, useThreadHasPermission, viewerIsMember, threadInChatList, useIsThreadInChatList, threadIsTopLevel, threadIsChannel, threadIsSidebar, threadInBackgroundChatList, threadInHomeChatList, threadIsInHome, threadInFilterList, userIsMember, threadActualMembers, threadOtherMembers, threadIsGroupChat, threadIsPending, threadIsPendingSidebar, getSingleOtherUser, getPendingThreadID, parsePendingThreadID, createPendingThread, createUnresolvedPendingSidebar, extractNewMentionedParentMembers, createPendingSidebar, pendingThreadType, createRealThreadFromPendingThread, filterOutDisabledPermissions, getCurrentUser, threadFrozenDueToBlock, threadFrozenDueToViewerBlock, rawThreadInfoFromServerThreadInfo, threadUIName, threadInfoFromRawThreadInfo, threadTypeDescriptions, memberHasAdminPowers, roleIsDefaultRole, roleIsAdminRole, threadHasAdminRole, identifyInvalidatedThreads, permissionsDisabledByBlock, emptyItemText, threadNoun, threadLabel, useWatchThread, useExistingThreadInfoFinder, getThreadTypeParentRequirement, threadMemberHasPermission, useCanCreateSidebarFromMessage, useSidebarExistsOrCanBeCreated, checkIfDefaultMembersAreVoiced, draftKeySuffix, draftKeyFromThreadID, threadTypeCanBePending, getContainingThreadID, getCommunity, getThreadListSearchResults, useThreadListSearch, removeMemberFromThread, useAvailableThreadMemberActions, threadMembersWithoutAddedAdmin, patchThreadInfoToIncludeMentionedMembersOfParent, threadInfoInsideCommunity, useRoleMemberCountsForCommunity, useRoleNamesToSpecialRole, useRoleUserSurfacedPermissions, getThreadsToDeleteText, useUserProfileThreadInfo, assertAllThreadInfosAreLegacy, };