Differential D5463 Diff 22958 web/chat/chat-message-list-container.react.js

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web/chat/chat-message-list-container.react.js

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import { userInfoSelectorForPotentialMembers } from 'lib/selectors/user-selectors.js';		import { userInfoSelectorForPotentialMembers } from 'lib/selectors/user-selectors.js';
import {		import {
useWatchThread,		useWatchThread,
useExistingThreadInfoFinder,		useExistingThreadInfoFinder,
createPendingThread,		createPendingThread,
threadIsPending,		threadIsPending,
} from 'lib/shared/thread-utils.js';		} from 'lib/shared/thread-utils.js';
import { threadTypes } from 'lib/types/thread-types.js';		import { threadTypes } from 'lib/types/thread-types.js';
import type { AccountUserInfo } from 'lib/types/user-types.js';

		import { InputStateContext } from '../input/input-state.js';
		import { updateNavInfoActionType } from '../redux/action-types.js';
		import { useSelector } from '../redux/redux-utils.js';
import ChatInputBar from './chat-input-bar.react.js';		import ChatInputBar from './chat-input-bar.react.js';
import css from './chat-message-list-container.css';		import css from './chat-message-list-container.css';
import ChatMessageList from './chat-message-list.react.js';		import ChatMessageList from './chat-message-list.react.js';
import ChatThreadComposer from './chat-thread-composer.react.js';		import ChatThreadComposer from './chat-thread-composer.react.js';
import ThreadTopBar from './thread-top-bar.react.js';		import ThreadTopBar from './thread-top-bar.react.js';
import { InputStateContext } from '../input/input-state.js';
import { updateNavInfoActionType } from '../redux/action-types.js';
import { useSelector } from '../redux/redux-utils.js';

type Props = {		type Props = {
+activeChatThreadID: string,		+activeChatThreadID: string,
};		};

function ChatMessageListContainer(props: Props): React.Node {		function ChatMessageListContainer(props: Props): React.Node {
const { activeChatThreadID } = props;		const { activeChatThreadID } = props;
const isChatCreation =		const isChatCreation =
useSelector(state => state.navInfo.chatMode) === 'create';		useSelector(state => state.navInfo.chatMode) === 'create';

const selectedUserIDs = useSelector(state => state.navInfo.selectedUserList);		const selectedUserIDs = useSelector(
		state => state.navInfo.selectedUserList ?? [],
		);
const otherUserInfos = useSelector(userInfoSelectorForPotentialMembers);		const otherUserInfos = useSelector(userInfoSelectorForPotentialMembers);
const userInfoInputArray: $ReadOnlyArray<AccountUserInfo> = React.useMemo(		const [userInfoInputArray, setUserInfoInputArray] = React.useState(() =>
() => selectedUserIDs?.map(id => otherUserInfos[id]).filter(Boolean) ?? [],		selectedUserIDs.map(id => otherUserInfos[id]).filter(Boolean),
[otherUserInfos, selectedUserIDs],
);		);

		React.useEffect(() => {
		if (!isChatCreation) {
		setUserInfoInputArray([]);
		}
		}, [isChatCreation]);

const loggedInUserInfo = useLoggedInUserInfo();		const loggedInUserInfo = useLoggedInUserInfo();
invariant(loggedInUserInfo, 'loggedInUserInfo should be set');		invariant(loggedInUserInfo, 'loggedInUserInfo should be set');

const pendingPrivateThread = React.useRef(		const pendingPrivateThread = React.useRef(
createPendingThread({		createPendingThread({
viewerID: loggedInUserInfo.id,		viewerID: loggedInUserInfo.id,
threadType: threadTypes.PRIVATE,		threadType: threadTypes.PRIVATE,
members: [loggedInUserInfo],		members: [loggedInUserInfo],
▲ Show 20 Lines • Show All 49 Lines • ▼ Show 20 Lines	const threadInfo = React.useMemo(() => {
existingThreadInfoFinderForCreatingThread,		existingThreadInfoFinderForCreatingThread,
isChatCreation,		isChatCreation,
userInfoInputArray,		userInfoInputArray,
pendingNewThread,		pendingNewThread,
]);		]);
invariant(threadInfo, 'ThreadInfo should be set');		invariant(threadInfo, 'ThreadInfo should be set');

const dispatch = useDispatch();		const dispatch = useDispatch();

// The effect removes members from list in navInfo
// if some of the user IDs don't exist in redux store
React.useEffect(() => {		React.useEffect(() => {
if (!isChatCreation) {		if (isChatCreation) {
return;		let payload = {};
}
const existingSelectedUsersSet = new Set(		const newSelectedUserIDs = userInfoInputArray.map(user => user.id);
userInfoInputArray.map(userInfo => userInfo.id),		if (!_isEqual(new Set(selectedUserIDs), new Set(newSelectedUserIDs))) {
);		payload = {
if (		...payload,
selectedUserIDs?.length !== existingSelectedUsersSet.size \|\|		selectedUserList: newSelectedUserIDs,
!_isEqual(new Set(selectedUserIDs), existingSelectedUsersSet)		};
) {
dispatch({
type: updateNavInfoActionType,
payload: {
selectedUserList: Array.from(existingSelectedUsersSet),
},
});
}		}
}, [
dispatch,
isChatCreation,
otherUserInfos,
selectedUserIDs,
userInfoInputArray,
]);

React.useEffect(() => {		if (activeChatThreadID !== threadInfo?.id) {
if (isChatCreation && activeChatThreadID !== threadInfo?.id) {		payload = {
let payload = {		...payload,
activeChatThreadID: threadInfo?.id,		activeChatThreadID: threadInfo?.id,
};		};
if (threadIsPending(threadInfo?.id)) {		if (threadIsPending(threadInfo?.id)) {
payload = {		payload = {
...payload,		...payload,
pendingThread: threadInfo,		pendingThread: threadInfo,
};		};
}		}
		}

dispatch({		dispatch({
type: updateNavInfoActionType,		type: updateNavInfoActionType,
payload,		payload,
});		});
}		}
}, [activeChatThreadID, dispatch, isChatCreation, threadInfo]);		}, [
		activeChatThreadID,
		dispatch,
		isChatCreation,
		selectedUserIDs,
		threadInfo,
		userInfoInputArray,
		]);

const inputState = React.useContext(InputStateContext);		const inputState = React.useContext(InputStateContext);
invariant(inputState, 'InputState should be set');		invariant(inputState, 'InputState should be set');
const [{ isActive }, connectDropTarget] = useDrop({		const [{ isActive }, connectDropTarget] = useDrop({
accept: NativeTypes.FILE,		accept: NativeTypes.FILE,
drop: item => {		drop: item => {
const { files } = item;		const { files } = item;
if (inputState && files.length > 0) {		if (inputState && files.length > 0) {
▲ Show 20 Lines • Show All 58 Lines • ▼ Show 20 Lines	if (!isChatCreation) {
{topBar}		{topBar}
{messageListAndInput}		{messageListAndInput}
</>		</>
);		);
}		}
const chatUserSelection = (		const chatUserSelection = (
<ChatThreadComposer		<ChatThreadComposer
userInfoInputArray={userInfoInputArray}		userInfoInputArray={userInfoInputArray}
		setUserInfoInputArray={setUserInfoInputArray}
otherUserInfos={otherUserInfos}		otherUserInfos={otherUserInfos}
threadID={threadInfo.id}		threadID={threadInfo.id}
inputState={inputState}		inputState={inputState}
/>		/>
);		);

if (!userInfoInputArray.length) {		if (!userInfoInputArray.length) {
return chatUserSelection;		return chatUserSelection;
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