application-amicale/screens/ProxiwashScreen.js

373 lines
14 KiB
JavaScript

// @flow
import * as React from 'react';
import {SectionList, RefreshControl, View} from 'react-native';
import {Body, Container, Icon, Left, ListItem, Right, Text, Toast, H2, Button} from 'native-base';
import CustomHeader from "../components/CustomHeader";
import ThemeManager from '../utils/ThemeManager';
import NotificationsManager from '../utils/NotificationsManager';
import i18n from "i18n-js";
import {AsyncStorage} from 'react-native'
import CustomMaterialIcon from "../components/CustomMaterialIcon";
const DATA_URL = "https://etud.insa-toulouse.fr/~vergnet/appli-amicale/dataProxiwash.json";
const WATCHED_MACHINES_PREFKEY = "proxiwash.watchedMachines";
let reminderNotifTime = 5;
const MACHINE_STATES = {
TERMINE: "0",
DISPONIBLE: "1",
FONCTIONNE: "2",
HS: "3",
ERREUR: "4"
};
let stateStrings = {};
let stateColors = {};
type Props = {
navigation: Object,
};
type State = {
refreshing: boolean,
firstLoading: boolean,
data: Object,
machinesWatched: Array<Object>
};
/**
* Class defining the app's proxiwash screen. This screen shows information about washing machines and
* dryers, taken from a scrapper reading proxiwash website
*/
export default class ProxiwashScreen extends React.Component<Props, State> {
state = {
refreshing: false,
firstLoading: true,
data: {},
machinesWatched: [],
};
/**
* Creates machine state parameters using current theme and translations
*
* @param props
*/
constructor(props: Props) {
super(props);
let colors = ThemeManager.getInstance().getCurrentThemeVariables();
stateColors[MACHINE_STATES.TERMINE] = colors.proxiwashFinishedColor;
stateColors[MACHINE_STATES.DISPONIBLE] = colors.proxiwashReadyColor;
stateColors[MACHINE_STATES.FONCTIONNE] = colors.proxiwashRunningColor;
stateColors[MACHINE_STATES.HS] = colors.proxiwashBrokenColor;
stateColors[MACHINE_STATES.ERREUR] = colors.proxiwashErrorColor;
stateStrings[MACHINE_STATES.TERMINE] = i18n.t('proxiwashScreen.states.finished');
stateStrings[MACHINE_STATES.DISPONIBLE] = i18n.t('proxiwashScreen.states.ready');
stateStrings[MACHINE_STATES.FONCTIONNE] = i18n.t('proxiwashScreen.states.running');
stateStrings[MACHINE_STATES.HS] = i18n.t('proxiwashScreen.states.broken');
stateStrings[MACHINE_STATES.ERREUR] = i18n.t('proxiwashScreen.states.error');
}
/**
* Check if the data object contains valid entries
*
* @returns {boolean}
*/
isDataObjectValid() {
return Object.keys(this.state.data).length > 0;
}
/**
* Read the data from the proxiwash scrapper and set it to current state to reload the screen
*
* @returns {Promise<void>}
*/
async readData() {
try {
let response = await fetch(DATA_URL);
let responseJson = await response.json();
this.setState({
data: responseJson
});
} catch (error) {
console.log('Could not read data from server');
console.log(error);
this.setState({
data: {}
});
}
}
/**
* Get which machines have notifications enabled before loading the screen
*
* @returns {Promise<void>}
*/
async componentWillMount() {
let dataString = await AsyncStorage.getItem(WATCHED_MACHINES_PREFKEY);
if (dataString === null)
dataString = '[]';
this.setState({
machinesWatched: JSON.parse(dataString)
});
}
/**
* Refresh the data on first screen load
*/
componentDidMount() {
this._onRefresh();
}
/**
* Show the refresh indicator and wait for data to be fetched from the scrapper
*
* @private
*/
_onRefresh = () => {
this.setState({refreshing: true});
this.readData().then(() => {
this.setState({
refreshing: false,
firstLoading: false
});
if (this.isDataObjectValid()) {
Toast.show({
text: i18n.t('proxiwashScreen.listUpdated'),
buttonText: 'OK',
type: "success",
duration: 2000
})
} else {
Toast.show({
text: i18n.t('proxiwashScreen.listUpdateFail'),
buttonText: 'OK',
type: "danger",
duration: 4000
})
}
});
};
/**
* Get the time remaining based on start/end time and done percent
*
* @param startString The string representing the start time. Format: hh:mm
* @param endString The string representing the end time. Format: hh:mm
* @param percentDone The percentage done
* @returns {number} How many minutes are remaining for this machine
*/
static getRemainingTime(startString: string, endString: string, percentDone: string): number {
let startArray = startString.split(':');
let endArray = endString.split(':');
let startDate = new Date();
startDate.setHours(parseInt(startArray[0]), parseInt(startArray[1]), 0, 0);
let endDate = new Date();
endDate.setHours(parseInt(endArray[0]), parseInt(endArray[1]), 0, 0);
// Convert milliseconds into minutes
let time: string = (((100 - parseFloat(percentDone)) / 100) * (endDate - startDate) / (60 * 1000)).toFixed(0);
return parseInt(time);
}
/**
* Setup notifications for the machine with the given ID.
* One notification will be sent at the end of the program.
* Another will be send a few minutes before the end, based on the value of reminderNotifTime
*
* @param machineId The machine's ID
* @param remainingTime The time remaining for this machine
* @returns {Promise<void>}
*/
async setupNotifications(machineId: string, remainingTime: number) {
if (!this.isMachineWatched(machineId)) {
let endNotifID = await NotificationsManager.scheduleNotification(
i18n.t('proxiwashScreen.notifications.machineFinishedTitle'),
i18n.t('proxiwashScreen.notifications.machineFinishedBody', {number: machineId}),
new Date().getTime() + remainingTime * (60 * 1000) // Convert back to milliseconds
);
let reminderNotifID = undefined;
let val = await AsyncStorage.getItem('proxiwashNotifKey');
if (val === null)
val = "5";
if (val !== "never")
reminderNotifTime = parseInt(val);
else
reminderNotifTime = -1;
console.log(reminderNotifTime);
if (remainingTime > reminderNotifTime && reminderNotifTime > 0) {
reminderNotifID = await NotificationsManager.scheduleNotification(
i18n.t('proxiwashScreen.notifications.machineRunningTitle', {time: reminderNotifTime}),
i18n.t('proxiwashScreen.notifications.machineRunningBody', {number: machineId}),
new Date().getTime() + (remainingTime - reminderNotifTime) * (60 * 1000) // Convert back to milliseconds
);
}
let data = this.state.machinesWatched;
data.push({machineNumber: machineId, endNotifID: endNotifID, reminderNotifID: reminderNotifID});
this.setState({machinesWatched: data});
AsyncStorage.setItem(WATCHED_MACHINES_PREFKEY, JSON.stringify(data));
} else
this.disableNotification(machineId);
}
/**
* Stop scheduled notifications for the machine of the given ID.
* This will also remove the notification if it was already shown.
*
* @param machineId The machine's ID
*/
disableNotification(machineId: string) {
let data: Object = this.state.machinesWatched;
if (data.length > 0) {
let elem = this.state.machinesWatched.find(function (elem) {
return elem.machineNumber === machineId
});
let arrayIndex = data.indexOf(elem);
NotificationsManager.cancelScheduledNotification(data[arrayIndex].endNotifID);
if (data[arrayIndex].reminderNotifID !== undefined)
NotificationsManager.cancelScheduledNotification(data[arrayIndex].reminderNotifID);
data.splice(arrayIndex, 1);
this.setState({machinesWatched: data});
AsyncStorage.setItem(WATCHED_MACHINES_PREFKEY, JSON.stringify(data));
}
}
/**
* Checks whether the machine of the given ID has scheduled notifications
*
* @param machineID The machine's ID
* @returns {boolean}
*/
isMachineWatched(machineID: string) {
return this.state.machinesWatched.find(function (elem) {
return elem.machineNumber === machineID
}) !== undefined;
}
/**
* Get list item to be rendered
*
* @param item The object containing the item's data
* @param section The object describing the current SectionList section
* @param data The full data used by the SectionList
* @returns {React.Node}
*/
renderItem(item: Object, section: Object, data: Object) {
return (
<ListItem
thumbnail
style={{
marginLeft: 0,
backgroundColor: stateColors[MACHINE_STATES[item.state]]
}}
>
<View style={{
height: '100%',
position: 'absolute',
alignSelf: 'flex-end',
right: 0,
width: item.donePercent !== '' ? (100 - parseInt(item.donePercent)).toString() + '%' : 0,
backgroundColor: ThemeManager.getInstance().getCurrentThemeVariables().containerBgColor
}}>
</View>
<Left>
<CustomMaterialIcon icon={section.title === data[0].title ? 'tumble-dryer' : 'washing-machine'}
fontSize={30}
/>
</Left>
<Body>
<Text>
{section.title === data[0].title ? i18n.t('proxiwashScreen.dryer') : i18n.t('proxiwashScreen.washer')} n°{item.number}
</Text>
<Text note>
{item.startTime !== '' ? item.startTime + '/' + item.endTime : ''}
</Text>
</Body>
<Right>
{item.startTime !== '' ?
<Button
style={this.isMachineWatched(item.number) ?
{backgroundColor: '#ba7c1f'} : {}}
onPress={() => {
this.setupNotifications(item.number, ProxiwashScreen.getRemainingTime(item.startTime, item.endTime, item.donePercent))
}}>
<Text>
{ProxiwashScreen.getRemainingTime(item.startTime, item.endTime, item.donePercent) + ' ' + i18n.t('proxiwashScreen.min')}
</Text>
<Icon name={this.isMachineWatched(item.number) ? 'bell-ring' : 'bell'}
type={'MaterialCommunityIcons'}
style={{fontSize: 30, width: 30}}
/>
</Button>
: <Text style={MACHINE_STATES[item.state] === MACHINE_STATES.TERMINE ?
{fontWeight: 'bold'} : {}}
>{stateStrings[MACHINE_STATES[item.state]]}</Text>
}
</Right>
</ListItem>);
}
/**
* Renders the machines list.
* If we are loading for the first time, change the data for the SectionList to display a loading message.
*
* @returns {react.Node}
*/
render() {
const nav = this.props.navigation;
let data = [];
if (!this.isDataObjectValid()) {
data = [
{
title: i18n.t('proxiwashScreen.error'),
data: []
}
];
} else {
data = [
{
title: i18n.t('proxiwashScreen.dryers'),
data: this.state.data.dryers === undefined ? [] : this.state.data.dryers,
extraData: this.state
},
{
title: i18n.t('proxiwashScreen.washers'),
data: this.state.data.washers === undefined ? [] : this.state.data.washers,
extraData: this.state
},
];
}
const loadingData = [
{
title: i18n.t('proxiwashScreen.loading'),
data: []
}
];
return (
<Container>
<CustomHeader navigation={nav} title={'Proxiwash'}/>
<SectionList
sections={this.state.firstLoading ? loadingData : data}
keyExtractor={(item) => item.number}
refreshControl={
<RefreshControl
refreshing={this.state.refreshing}
onRefresh={this._onRefresh}
/>
}
renderSectionHeader={({section: {title}}) => (
<H2 style={{textAlign: 'center', paddingVertical: 10}}>{title}</H2>
)}
renderItem={({item, section}) =>
this.renderItem(item, section, data)
}
/>
</Container>
);
}
}