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import React, { Component } from 'react'; |
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import { Line } from 'react-chartjs-2'; |
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import range from 'lodash/range'; |
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import { Card, CardHeader, CardBody, ListGroup, ListGroupItem } from 'reactstrap'; |
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import { rgbaColor } from '../../../helpers/utils'; |
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import { withTranslation } from 'react-i18next'; |
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import uuid from 'uuid/v1'; |
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import { APIBaseURL } from '../../../config'; |
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import { getCookieValue, createCookie } from '../../../helpers/utils'; |
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import { toast } from 'react-toastify'; |
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const dividerBorder = '1px solid rgba(255, 255, 255, 0.15)'; |
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const listItemBorderColor = 'rgba(255, 255, 255, 0.05)'; |
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const chartOptions = { |
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legend: { display: false }, |
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scales: { |
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yAxes: [ |
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{ |
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display: true, |
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stacked: false |
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} |
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], |
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xAxes: [ |
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{ |
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stacked: false, |
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ticks: { display: false }, |
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categoryPercentage: 1.0, |
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gridLines: { |
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color: rgbaColor('#fff', 0.1), |
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display: true |
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} |
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} |
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] |
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} |
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}; |
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class RealtimeChart extends Component { |
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_isMounted = false; |
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refreshInterval; |
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refreshTimeout; |
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state = { |
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trendLog: [], |
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currentEnergyValue: undefined, |
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chartData: { |
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labels: range(1, 60), |
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datasets: [ |
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{ |
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label: '', |
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backgroundColor: rgbaColor('#fff', 0.3), |
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} |
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] |
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}, |
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pointList: [], |
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}; |
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componentWillUnmount() { |
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this._isMounted = false; |
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clearInterval(this.refreshInterval); |
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clearTimeout(this.refreshTimeout); |
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} |
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componentDidMount() { |
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this._isMounted = true; |
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// fetch meter realtime data at the first time |
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let isResponseOK = false; |
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fetch(APIBaseURL + '/reports/meterrealtime?meterid=' + this.props.meterId, { |
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method: 'GET', |
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headers: { |
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"Content-type": "application/json", |
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"User-UUID": getCookieValue('user_uuid'), |
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"Token": getCookieValue('token') |
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}, |
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body: null, |
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}).then(response => { |
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if (response.ok) { |
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isResponseOK = true; |
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} |
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return response.json(); |
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}).then(json => { |
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if (isResponseOK) { |
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console.log(json); |
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let trendLog = json['energy_value']['values']; |
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let currentEnergyValue = undefined; |
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let pointList = []; |
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if (trendLog.length > 0) { |
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currentEnergyValue = trendLog[trendLog.length - 1]; |
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} |
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json['parameters']['names'].forEach((currentName, index) => { |
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let pointItem = {} |
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pointItem['name'] = currentName; |
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pointItem['value'] = undefined; |
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let currentValues = json['parameters']['values'][index]; |
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if (currentValues.length > 0) { |
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pointItem['value'] = currentValues[currentValues.length - 1]; |
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} |
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pointList.push(pointItem); |
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}); |
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if (this._isMounted) { |
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this.setState({ |
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trendLog: trendLog, |
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currentEnergyValue: currentEnergyValue, |
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pointList: pointList, |
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}); |
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} |
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} else { |
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toast.error(json.description) |
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} |
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}).catch(err => { |
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console.log(err); |
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}); |
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//fetch meter realtime data at regular intervals |
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this.refreshInterval = setInterval(() => { |
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let isResponseOK = false; |
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fetch(APIBaseURL + '/reports/meterrealtime?meterid=' + this.props.meterId, { |
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method: 'GET', |
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headers: { |
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"Content-type": "application/json", |
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"User-UUID": getCookieValue('user_uuid'), |
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"Token": getCookieValue('token') |
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}, |
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body: null, |
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}).then(response => { |
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if (response.ok) { |
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isResponseOK = true; |
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} |
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return response.json(); |
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}).then(json => { |
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if (isResponseOK) { |
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console.log(json); |
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let trendLog = json['energy_value']['values']; |
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let currentEnergyValue = undefined; |
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let pointList = []; |
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if (trendLog.length > 0) { |
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currentEnergyValue = trendLog[trendLog.length - 1]; |
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} |
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json['parameters']['names'].forEach((currentName, index) => { |
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let pointItem = {} |
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pointItem['name'] = currentName; |
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pointItem['value'] = undefined; |
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let currentValues = json['parameters']['values'][index]; |
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if (currentValues.length > 0) { |
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pointItem['value'] = currentValues[currentValues.length - 1]; |
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} |
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pointList.push(pointItem); |
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}); |
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if (this._isMounted) { |
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this.setState({ |
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trendLog: trendLog, |
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currentEnergyValue: currentEnergyValue, |
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pointList: pointList, |
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}); |
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} |
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} else { |
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toast.error(json.description) |
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} |
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}).catch(err => { |
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console.log(err); |
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}); |
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}, (60 + Math.floor(Math.random() * Math.floor(10))) * 1000); // use random interval to avoid paralels requests |
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} |
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render() { |
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const { t } = this.props; |
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const chartData = { |
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...this.state.chartData, |
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datasets: [ |
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{ |
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...this.state.chartData.datasets[0], |
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data: this.state.trendLog |
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} |
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] |
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}; |
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return ( |
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<Card className="h-100 bg-gradient"> |
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<CardHeader className="bg-transparent"> |
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<h5 className="text-white">{this.props.meterName}</h5> |
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<div className="real-time-user display-1 font-weight-normal text-white">{this.state.currentEnergyValue}</div> |
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</CardHeader> |
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<CardBody className="text-white fs--1"> |
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<p className="pb-2" style={{ borderBottom: dividerBorder }}> |
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{t('Trend in the last hour of Energy Value Point (UNIT)', {'UNIT': 'kWh'})} |
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</p> |
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<Line data={chartData} options={chartOptions} width={10} height={4} /> |
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<ListGroup flush className="mt-4"> |
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<ListGroupItem |
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className="bg-transparent d-flex justify-content-between px-0 py-1 font-weight-semi-bold border-top-0" |
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style={{ borderColor: listItemBorderColor }} |
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> |
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<p className="mb-0">{t('Related Parameters')}</p> |
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<p className="mb-0">{t('Realtime Value')}</p> |
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</ListGroupItem> |
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{this.state.pointList.map(pointItem => ( |
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<ListGroupItem key={uuid()} |
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className="bg-transparent d-flex justify-content-between px-0 py-1" |
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style={{ borderColor: listItemBorderColor }} |
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> |
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<p className="mb-0">{pointItem['name']}</p> |
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<p className="mb-0">{pointItem['value']}</p> |
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</ListGroupItem> |
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))} |
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</ListGroup> |
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</CardBody> |
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</Card> |
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); |
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} |
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} |
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export default withTranslation()(RealtimeChart); |
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myems /
myems-web
