vn-verdnaturachat/app/views/room.js

148 lines
3.2 KiB
JavaScript

import React from 'react';
import PropTypes from 'prop-types';
import { Text, View, FlatList, StyleSheet, Button } from 'react-native';
import realm from '../lib/realm';
import RocketChat from '../lib/rocketchat';
import Message from '../components/Message';
import MessageBox from '../components/MessageBox';
import KeyboardView from '../components/KeyboardView';
const styles = StyleSheet.create({
container: {
flex: 1
},
list: {
flex: 1,
transform: [{ scaleY: -1 }]
},
separator: {
height: 1,
backgroundColor: '#CED0CE'
},
bannerContainer: {
backgroundColor: 'orange'
},
bannerText: {
margin: 5,
textAlign: 'center',
color: '#a00'
}
});
export default class RoomView extends React.Component {
static propTypes = {
navigation: PropTypes.object.isRequired
}
static navigationOptions = ({ navigation }) => ({
title: navigation.state.params.name || realm.objectForPrimaryKey('subscriptions', navigation.state.params.sid).name
});
constructor(props) {
super(props);
this.rid = props.navigation.state.params.rid || realm.objectForPrimaryKey('subscriptions', props.navigation.state.params.sid).rid;
// this.rid = 'GENERAL';
this.state = {
dataSource: this.getMessages(),
loaded: true,
joined: typeof props.navigation.state.params.rid === 'undefined'
};
this.url = realm.objectForPrimaryKey('settings', 'Site_Url').value;
}
componentWillMount() {
const late = setTimeout(() => this.setState({
loaded: false
}), 1000);
RocketChat.loadMessagesForRoom(this.rid, () => {
clearTimeout(late);
this.setState({
loaded: true
});
});
realm.addListener('change', this.updateState);
}
componentWillUnmount() {
realm.removeListener('change', this.updateState);
}
getMessages = () => realm.objects('messages').filtered('_server.id = $0 AND rid = $1', RocketChat.currentServer, this.rid).sorted('ts', true)
updateState = () => {
this.setState({
...this.state,
dataSource: this.getMessages()
});
};
sendMessage = message => RocketChat.sendMessage(this.rid, message);
joinRoom = () => {
RocketChat.joinRoom(this.props.navigation.state.params.rid)
.then(() => {
this.setState({
joined: true
});
});
};
renderBanner = () => {
if (this.state.loaded === false) {
return (
<View style={styles.bannerContainer}>
<Text style={styles.bannerText}>Loading new messages...</Text>
</View>
);
}
};
renderItem = ({ item }) => (
<Message
id={item._id}
item={item}
baseUrl={this.url}
/>
);
renderSeparator = () => (
<View style={styles.separator} />
);
renderFooter = () => {
if (!this.state.joined) {
return (
<View>
<Text>You are in preview mode.</Text>
<Button title='Join' onPress={this.joinRoom} />
</View>
);
}
return (
<MessageBox
onSubmit={this.sendMessage}
/>
);
}
render() {
return (
<KeyboardView style={styles.container} keyboardVerticalOffset={64}>
{this.renderBanner()}
<FlatList
ref={ref => this.listView = ref}
style={styles.list}
data={this.state.dataSource}
extraData={this.state}
renderItem={this.renderItem}
keyExtractor={item => item._id}
/>
{this.renderFooter()}
</KeyboardView>
);
}
}