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@selfcommunity/react-ui

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React UI Components to integrate a Community created with SelfCommunity Platform.

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import { __rest } from "tslib"; import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime"; import { useEffect, useMemo, useRef, useState } from 'react'; import { styled } from '@mui/material/styles'; import { Avatar, Box, Button, CardContent } from '@mui/material'; import PubSub from 'pubsub-js'; import { useThemeProps } from '@mui/system'; import { SCNotificationTopicType, SCNotificationTypologyType } from '@selfcommunity/types'; import { CacheStrategies } from '@selfcommunity/utils'; import { SCPreferences, useSCFetchBroadcastMessages, useSCPreferences, useSCUser } from '@selfcommunity/react-core'; import Message from './Message'; import classNames from 'classnames'; import { FormattedMessage } from 'react-intl'; import { MessageSkeleton } from './Skeleton'; import Widget from '../Widget'; import { PREFIX } from './constants'; const classes = { root: `${PREFIX}-root`, boxLoadMore: `${PREFIX}-box-load-more`, avatarLoadMore: `${PREFIX}-avatar-load-more`, buttonLoadMore: `${PREFIX}-button-load-more` }; const Root = styled(Box, { name: PREFIX, slot: 'Root' })(() => ({})); const PREFERENCES = [SCPreferences.LOGO_NAVBAR_LOGO_MOBILE, SCPreferences.TEXT_APPLICATION_NAME]; /** * > API documentation for the Community-JS Broadcast Messages component. Learn about the available props and the CSS API. * * * This component handles message broadcasts. It initially displays unseen messages. If all messages have been viewed it will show at most one message. * Take a look at our <strong>demo</strong> component [here](/docs/sdk/community-js/react-ui/Components/BroadcastMessages) #### Import ```jsx import {BroadcastMessages} from '@selfcommunity/react-ui'; ``` #### Component Name The name `SCBroadcastMessages` can be used when providing style overrides in the theme. #### CSS |Rule Name|Global class|Description| |---|---|---| |root|.SCBroadcastMessages-root|Styles applied to the root element.| |boxLoadMore|.SCBroadcastMessages-box-load-more|Styles applied to load more box.| |avatarLoadMore|.SCBroadcastMessages-avatar-load-more|Styles applied to load more avatar.| |buttonLoadMore|.SCBroadcastMessages-button-load-more|Styles applied to load more button.| * @param inProps */ export default function BroadcastMessages(inProps) { // PROPS const props = useThemeProps({ props: inProps, name: PREFIX }); const { id = 'broadcast_messages', className = null, MessageProps = {}, subscriptionChannel = `${SCNotificationTopicType.INTERACTION}.${SCNotificationTypologyType.NOTIFICATION_BANNER}`, disableLoader = false, viewAllMessages = false, cacheStrategy = CacheStrategies.NETWORK_ONLY, onStateChange, onHeightChange } = props, rest = __rest(props, ["id", "className", "MessageProps", "subscriptionChannel", "disableLoader", "viewAllMessages", "cacheStrategy", "onStateChange", "onHeightChange"]); // CONTEXT const scUserContext = useSCUser(); // Compute preferences const scPreferences = useSCPreferences(); const preferences = useMemo(() => { const _preferences = {}; PREFERENCES.map((p) => (_preferences[p] = p in scPreferences.preferences ? scPreferences.preferences[p].value : null)); return _preferences; }, [scPreferences.preferences]); // REFS const refreshSubscription = useRef(null); // STATE const [viewAll, setViewAll] = useState(viewAllMessages); const { data, loading, fetchMessages, setMessages } = useSCFetchBroadcastMessages({ cacheStrategy }); // CONST const authUserId = scUserContext.user ? scUserContext.user.id : null; const unViewedMessages = data.results.filter((m) => !m.viewed_at); const viewedMessageCounter = data.count - unViewedMessages.length + 1; /** * Dispose a broadcast message * @param message */ const handleDisposeMessage = (message) => { const _data = setMessages(data.results.filter((m) => m.id != message.id)); if (_data.results.length <= 1) { fetchMessages(true); } }; /** * Handle mark read message * @param message */ const handleMarkRead = (message) => { const _data = [...data.results]; data.results.map((m, i) => { if (m.id === message.id) { _data[i] = Object.assign(Object.assign({}, m), { viewed_at: new Date() }); } }); scUserContext.setUnseenNotificationBannersCounter(scUserContext.user.unseen_notification_banners_counter - 1); setMessages(_data); }; /** * if messages.length < unViewedMessages.length show other message * if the difference between the 2 arrays is small fetch remote messages */ const fetchOtherMessages = useMemo(() => () => { setViewAll(true); if ((data.next && viewAll) || (data.next && !viewAll && viewedMessageCounter <= 2)) { fetchMessages(); } }, [setViewAll, viewAll, viewedMessageCounter, data.next, fetchMessages]); /** * On mount, fetch first page of notifications */ useEffect(() => { let _t; if (authUserId !== null && cacheStrategy !== CacheStrategies.CACHE_FIRST) { // eslint-disable-next-line @typescript-eslint/no-misused-promises _t = setTimeout(fetchMessages); return () => { _t && clearTimeout(_t); }; } }, [authUserId]); /** * Notification subscriber */ const subscriber = (msg, data) => { fetchMessages(true); setViewAll(false); }; /** * When a ws notification arrives, update data */ useEffect(() => { refreshSubscription.current = PubSub.subscribe(subscriptionChannel, subscriber); return () => { PubSub.unsubscribe(refreshSubscription.current); }; }, []); /** * Feed virtual update */ useEffect(() => { onStateChange && onStateChange({ viewAllMessages: viewAll, cacheStrategy: CacheStrategies.CACHE_FIRST, disableLoader: true }); onHeightChange && onHeightChange(); }, [data.results.length, loading, viewAll, cacheStrategy]); const messagesToShow = [...unViewedMessages, ...data.results.slice(unViewedMessages.length, viewAll ? viewedMessageCounter : 1)]; return (_jsxs(Root, Object.assign({ id: id, className: classNames(classes.root, className) }, rest, { children: [messagesToShow.map((message, index) => (_jsx(Box, { children: _jsx(Message, Object.assign({ message: message }, MessageProps, { onClose: handleDisposeMessage, onRead: handleMarkRead })) }, index))), loading && !disableLoader && _jsx(MessageSkeleton, {}), loading !== null && !loading && (data.next || (data.count > 1 && viewedMessageCounter > 0 && !viewAll)) && (_jsx(Widget, Object.assign({ className: classes.boxLoadMore }, { children: _jsx(CardContent, { children: _jsxs(Button, Object.assign({ variant: "text", onClick: fetchOtherMessages, disabled: loading, color: "inherit", classes: { root: classes.buttonLoadMore } }, { children: [_jsx(Avatar, { component: "span", className: classes.avatarLoadMore, alt: preferences[SCPreferences.TEXT_APPLICATION_NAME], src: preferences[SCPreferences.LOGO_NAVBAR_LOGO_MOBILE] }), _jsx(FormattedMessage, { id: "ui.broadcastMessages.loadMore", defaultMessage: "ui.broadcastMessages.loadMore" })] })) }) })))] }))); }