vn-verdnaturachat/app/views/ThreadMessagesView/index.tsx

542 lines
15 KiB
TypeScript

import React from 'react';
import { FlatList } from 'react-native';
import { connect } from 'react-redux';
import { Q } from '@nozbe/watermelondb';
import { sanitizedRaw } from '@nozbe/watermelondb/RawRecord';
import { StackNavigationOptions } from '@react-navigation/stack';
import { HeaderBackButton } from '@react-navigation/elements';
import { Observable, Subscription } from 'rxjs';
import ActivityIndicator from '../../containers/ActivityIndicator';
import I18n from '../../i18n';
import database from '../../lib/database';
import { sanitizeLikeString } from '../../lib/database/utils';
import StatusBar from '../../containers/StatusBar';
import buildMessage from '../../lib/methods/helpers/buildMessage';
import log from '../../lib/methods/helpers/log';
import protectedFunction from '../../lib/methods/helpers/protectedFunction';
import { themes } from '../../lib/constants';
import { TSupportedThemes, withTheme } from '../../theme';
import { getUserSelector } from '../../selectors/login';
import SafeAreaView from '../../containers/SafeAreaView';
import * as HeaderButton from '../../containers/HeaderButton';
import * as List from '../../containers/List';
import BackgroundContainer from '../../containers/BackgroundContainer';
import { getBadgeColor, makeThreadName } from '../../lib/methods/helpers/room';
import EventEmitter from '../../lib/methods/helpers/events';
import { LISTENER } from '../../containers/Toast';
import SearchHeader from '../../containers/SearchHeader';
import { ChatsStackParamList } from '../../stacks/types';
import { Filter } from './filters';
import DropdownItemHeader from './Dropdown/DropdownItemHeader';
import Dropdown from './Dropdown';
import Item from './Item';
import styles from './styles';
import { IApplicationState, IBaseScreen, IMessage, SubscriptionType, TSubscriptionModel, TThreadModel } from '../../definitions';
import { getUidDirectMessage, debounce, isIOS } from '../../lib/methods/helpers';
import { Services } from '../../lib/services';
const API_FETCH_COUNT = 50;
interface IThreadMessagesViewState {
loading: boolean;
end: boolean;
messages: any[];
displayingThreads: TThreadModel[];
subscription: TSubscriptionModel;
showFilterDropdown: boolean;
currentFilter: Filter;
isSearching: boolean;
searchText: string;
}
interface IThreadMessagesViewProps extends IBaseScreen<ChatsStackParamList, 'ThreadMessagesView'> {
user: { id: string };
baseUrl: string;
useRealName: boolean;
theme: TSupportedThemes;
isMasterDetail: boolean;
}
class ThreadMessagesView extends React.Component<IThreadMessagesViewProps, IThreadMessagesViewState> {
private mounted: boolean;
private rid: string;
private t: string;
private subSubscription?: Subscription;
private messagesSubscription?: Subscription;
private messagesObservable?: Observable<TThreadModel[]>;
constructor(props: IThreadMessagesViewProps) {
super(props);
this.mounted = false;
this.rid = props.route.params?.rid;
this.t = props.route.params?.t;
this.state = {
loading: false,
end: false,
messages: [],
displayingThreads: [],
subscription: {} as TSubscriptionModel,
showFilterDropdown: false,
currentFilter: Filter.All,
isSearching: false,
searchText: ''
};
this.setHeader();
this.initSubscription();
this.subscribeMessages();
}
componentDidMount() {
this.mounted = true;
this.init();
}
componentWillUnmount() {
console.countReset(`${this.constructor.name}.render calls`);
if (this.subSubscription && this.subSubscription.unsubscribe) {
this.subSubscription.unsubscribe();
}
if (this.messagesSubscription && this.messagesSubscription.unsubscribe) {
this.messagesSubscription.unsubscribe();
}
}
getHeader = (): StackNavigationOptions => {
const { isSearching } = this.state;
const { navigation, isMasterDetail, theme } = this.props;
if (isSearching) {
return {
headerTitleAlign: 'left',
headerTitleContainerStyle: { flex: 1, marginHorizontal: 0, marginRight: 15, maxWidth: undefined },
headerRightContainerStyle: { flexGrow: 0 },
headerLeft: () => (
<HeaderButton.Container left>
<HeaderButton.Item iconName='close' onPress={this.onCancelSearchPress} />
</HeaderButton.Container>
),
headerTitle: () => (
<SearchHeader onSearchChangeText={this.onSearchChangeText} testID='thread-messages-view-search-header' />
),
headerRight: () => null
};
}
const options: StackNavigationOptions = {
headerTitleAlign: 'center',
headerTitle: I18n.t('Threads'),
headerRightContainerStyle: { flexGrow: 1 },
headerLeft: () => (
<HeaderBackButton
labelVisible={false}
onPress={() => navigation.pop()}
tintColor={themes[theme].headerTintColor}
testID='header-back'
/>
),
headerRight: () => (
<HeaderButton.Container>
<HeaderButton.Item iconName='search' onPress={this.onSearchPress} testID='thread-messages-view-search-icon' />
</HeaderButton.Container>
)
};
if (isMasterDetail) {
options.headerLeft = () => <HeaderButton.CloseModal navigation={navigation} />;
}
return options;
};
setHeader = () => {
const { navigation } = this.props;
const options = this.getHeader();
navigation.setOptions(options);
};
initSubscription = async () => {
try {
const db = database.active;
// subscription query
const subscription = await db.get('subscriptions').find(this.rid);
const observable = subscription.observe();
this.subSubscription = observable.subscribe(data => {
this.setState({ subscription: data });
});
this.subscribeMessages(subscription);
} catch (e) {
log(e);
}
};
subscribeMessages = (subscription?: TSubscriptionModel, searchText?: string) => {
try {
const db = database.active;
if (this.messagesSubscription && this.messagesSubscription.unsubscribe) {
this.messagesSubscription.unsubscribe();
}
const whereClause = [Q.where('rid', this.rid), Q.experimentalSortBy('tlm', Q.desc)];
if (searchText?.trim()) {
whereClause.push(Q.where('msg', Q.like(`%${sanitizeLikeString(searchText.trim())}%`)));
}
this.messagesObservable = db
.get('threads')
.query(...whereClause)
.observeWithColumns(['updated_at']);
this.messagesSubscription = this.messagesObservable.subscribe(messages => {
const { currentFilter } = this.state;
const displayingThreads = this.getFilteredThreads(messages, subscription, currentFilter);
if (this.mounted) {
this.setState({ messages, displayingThreads });
} else {
// @ts-ignore
this.state.messages = messages;
// @ts-ignore
this.state.displayingThreads = displayingThreads;
}
});
} catch (e) {
log(e);
}
};
init = () => {
const { subscription } = this.state;
if (!subscription) {
return this.load();
}
try {
const lastThreadSync = new Date();
if (subscription.lastThreadSync) {
this.sync(subscription.lastThreadSync);
} else {
this.load(lastThreadSync);
}
} catch (e) {
log(e);
}
};
updateThreads = async ({
update,
remove,
lastThreadSync
}: {
update: IMessage[];
remove?: IMessage[];
lastThreadSync: Date;
}) => {
const { subscription } = this.state;
// if there's no subscription, manage data on this.state.messages
// note: sync will never be called without subscription
if (!subscription._id) {
this.setState(({ messages }) => ({ messages: [...messages, ...update] }));
return;
}
try {
const db = database.active;
const threadsCollection = db.get('threads');
const allThreadsRecords = await subscription.threads.fetch();
let threadsToCreate: TThreadModel[] = [];
let threadsToUpdate: (TThreadModel | null | undefined)[] = [];
let threadsToDelete: TThreadModel[] = [];
if (remove && remove.length) {
threadsToDelete = allThreadsRecords.filter((i1: { id: string }) => remove.find(i2 => i1.id === i2._id));
threadsToDelete = threadsToDelete.map(t => t.prepareDestroyPermanently());
}
if (update && update.length) {
update = update.map(m => buildMessage(m)) as IMessage[];
// filter threads
threadsToCreate = update.filter(
i1 => !allThreadsRecords.find((i2: { id: string }) => i1._id === i2.id)
) as TThreadModel[];
threadsToUpdate = allThreadsRecords.filter((i1: { id: string }) => update.find(i2 => i1.id === i2._id));
threadsToCreate = threadsToCreate.map(thread =>
threadsCollection.prepareCreate(
protectedFunction((t: any) => {
t._raw = sanitizedRaw({ id: thread._id }, threadsCollection.schema);
t.subscription.set(subscription);
Object.assign(t, thread);
})
)
);
threadsToUpdate = threadsToUpdate.map(thread => {
const newThread = update.find(t => t._id === thread?.id);
try {
return thread?.prepareUpdate(
protectedFunction((t: TThreadModel) => {
Object.assign(t, newThread);
})
);
} catch {
return null;
}
});
}
await db.write(async () => {
await db.batch(
...threadsToCreate,
...threadsToUpdate,
...threadsToDelete,
subscription.prepareUpdate(s => {
s.lastThreadSync = lastThreadSync;
})
);
});
} catch (e) {
log(e);
}
};
// eslint-disable-next-line react/sort-comp
load = debounce(async (lastThreadSync: Date) => {
const { loading, end, messages, searchText } = this.state;
if (end || loading || !this.mounted) {
return;
}
this.setState({ loading: true });
try {
const result = await Services.getThreadsList({
rid: this.rid,
count: API_FETCH_COUNT,
offset: messages.length,
text: searchText
});
if (result.success) {
this.updateThreads({ update: result.threads, lastThreadSync });
this.setState({
loading: false,
end: result.count < API_FETCH_COUNT
});
}
} catch (e) {
log(e);
this.setState({ loading: false, end: true });
}
}, 300);
// eslint-disable-next-line react/sort-comp
sync = async (updatedSince: Date) => {
this.setState({ loading: true });
try {
const result = await Services.getSyncThreadsList({
rid: this.rid,
updatedSince: updatedSince.toISOString()
});
if (result.success && result.threads) {
const { update, remove } = result.threads;
this.updateThreads({ update, remove, lastThreadSync: updatedSince });
}
this.setState({
loading: false
});
} catch (e) {
log(e);
this.setState({ loading: false });
}
};
onSearchPress = () => {
this.setState({ isSearching: true }, () => this.setHeader());
};
onCancelSearchPress = () => {
this.setState({ isSearching: false, searchText: '' }, () => {
const { subscription } = this.state;
this.setHeader();
this.subscribeMessages(subscription);
});
};
onSearchChangeText = debounce((searchText: string) => {
const { subscription } = this.state;
this.setState({ searchText }, () => this.subscribeMessages(subscription, searchText));
}, 300);
onThreadPress = debounce(
(item: any) => {
const { subscription } = this.state;
const { navigation, isMasterDetail } = this.props;
if (isMasterDetail) {
navigation.pop();
}
navigation.push('RoomView', {
rid: item.subscription.id,
tmid: item.id,
name: makeThreadName(item),
t: SubscriptionType.THREAD,
roomUserId: getUidDirectMessage(subscription)
});
},
1000,
true
);
getBadgeColor = (item: TThreadModel) => {
const { subscription } = this.state;
const { theme } = this.props;
return getBadgeColor({ subscription, theme, messageId: item?.id });
};
// helper to query threads
getFilteredThreads = (messages: TThreadModel[], subscription?: TSubscriptionModel, currentFilter?: Filter): TThreadModel[] => {
const { user } = this.props;
if (currentFilter === Filter.Following) {
return messages?.filter(item => item?.replies?.find(u => u === user.id));
}
if (currentFilter === Filter.Unread) {
return messages?.filter(item => subscription?.tunread?.includes(item?.id));
}
return messages;
};
// method to update state with filtered threads
filterThreads = () => {
const { messages, subscription } = this.state;
const displayingThreads = this.getFilteredThreads(messages, subscription);
this.setState({ displayingThreads });
};
showFilterDropdown = () => this.setState({ showFilterDropdown: true });
closeFilterDropdown = () => this.setState({ showFilterDropdown: false });
onFilterSelected = (filter: Filter) => {
const { messages, subscription } = this.state;
const displayingThreads = this.getFilteredThreads(messages, subscription, filter);
this.setState({ currentFilter: filter, displayingThreads });
};
toggleFollowThread = async (isFollowingThread: boolean, tmid: string) => {
try {
await Services.toggleFollowMessage(tmid, !isFollowingThread);
EventEmitter.emit(LISTENER, { message: isFollowingThread ? I18n.t('Unfollowed_thread') : I18n.t('Following_thread') });
} catch (e) {
log(e);
}
};
renderItem = ({ item }: { item: TThreadModel }) => {
const { user, navigation, useRealName } = this.props;
const badgeColor = this.getBadgeColor(item);
return (
<Item
{...{
item,
user,
navigation,
useRealName,
badgeColor
}}
onPress={this.onThreadPress}
toggleFollowThread={this.toggleFollowThread}
/>
);
};
renderHeader = () => {
const { messages, currentFilter } = this.state;
if (!messages.length) {
return null;
}
return (
<>
<DropdownItemHeader currentFilter={currentFilter} onPress={this.showFilterDropdown} />
<List.Separator />
</>
);
};
renderContent = () => {
const { loading, messages, displayingThreads, currentFilter } = this.state;
const { theme } = this.props;
if (!messages?.length || !displayingThreads?.length) {
let text;
if (currentFilter === Filter.Following) {
text = I18n.t('No_threads_following');
} else if (currentFilter === Filter.Unread) {
text = I18n.t('No_threads_unread');
} else {
text = I18n.t('No_threads');
}
return (
<>
{this.renderHeader()}
<BackgroundContainer text={text} />
</>
);
}
return (
<FlatList
data={displayingThreads}
extraData={this.state}
renderItem={this.renderItem}
style={[styles.list, { backgroundColor: themes[theme].backgroundColor }]}
contentContainerStyle={styles.contentContainer}
onEndReached={this.load}
onEndReachedThreshold={0.5}
maxToRenderPerBatch={5}
windowSize={10}
initialNumToRender={7}
removeClippedSubviews={isIOS}
ItemSeparatorComponent={List.Separator}
ListHeaderComponent={this.renderHeader}
ListFooterComponent={loading ? <ActivityIndicator /> : null}
scrollIndicatorInsets={{ right: 1 }} // https://github.com/facebook/react-native/issues/26610#issuecomment-539843444
/>
);
};
render() {
console.count(`${this.constructor.name}.render calls`);
const { showFilterDropdown, currentFilter } = this.state;
const { theme } = this.props;
return (
<SafeAreaView testID='thread-messages-view'>
<StatusBar />
{this.renderContent()}
{showFilterDropdown ? (
<Dropdown
currentFilter={currentFilter}
onFilterSelected={this.onFilterSelected}
onClose={this.closeFilterDropdown}
theme={theme}
/>
) : null}
</SafeAreaView>
);
}
}
const mapStateToProps = (state: IApplicationState) => ({
baseUrl: state.server.server,
user: getUserSelector(state),
useRealName: state.settings.UI_Use_Real_Name as boolean,
isMasterDetail: state.app.isMasterDetail
});
export default connect(mapStateToProps)(withTheme(ThreadMessagesView));