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import React, { useEffect, useState } from 'react';
import { Typography, Spin, Message, Card, Grid } from '@arco-design/web-react';
import '@arco-design/web-react/dist/css/arco.css';
import { initVChartArcoTheme } from '@visactor/vchart-arco-theme';
import { VChart } from '@visactor/react-vchart';
import API_BASE_URL from './config';
const { Row, Col } = Grid;
function MarketDataPage() {
const [fiveMinData, setFiveMinData] = useState([]);
const [dayAheadData, setDayAheadData] = useState([]);
const [loading, setLoading] = useState(true);
const [fiveMinLastUpdated, setFiveMinLastUpdated] = useState(null);
const [dayAheadLastUpdated, setDayAheadLastUpdated] = useState(null);
const [now, setNow] = useState(new Date());
useEffect(() => {
const fetchFiveMinData = async () => {
try {
const res = await fetch(`${API_BASE_URL}/market/real-time`);
if (!res.ok) throw new Error('Failed to fetch real-time data');
const json = await res.json();
setFiveMinData(json);
setFiveMinLastUpdated(new Date());
} catch (err) {
console.error(err);
Message.error('Failed to load real-time market data.');
}
};
const fetchDayAheadData = async () => {
try {
const res = await fetch(`${API_BASE_URL}/market/day-ahead`);
if (!res.ok) throw new Error('Failed to fetch day-ahead data');
const json = await res.json();
setDayAheadData(json);
setDayAheadLastUpdated(new Date());
} catch (err) {
console.error(err);
Message.error('Failed to load day-ahead market data.');
}
};
const initialize = async () => {
setLoading(true);
await Promise.all([fetchFiveMinData(), fetchDayAheadData()]);
setLoading(false);
initVChartArcoTheme({
defaultMode: 'light',
isWatchingMode: true
});
};
initialize();
const fiveMinInterval = setInterval(fetchFiveMinData, 5 * 60 * 1000); // 5 minutes
const dayAheadInterval = setInterval(fetchDayAheadData, 60 * 60 * 1000); // 1 hour
const timer = setInterval(() => {
setNow(new Date());
}, 1000);
return () => {
clearInterval(fiveMinInterval);
clearInterval(dayAheadInterval);
clearInterval(timer);
};
}, []);
const getChartSpec = (data, title) => ({
type: 'line',
data: {
values: data.map(d => ({
timestamp: new Date(d.timestamp).toLocaleString(),
LMP: d.lmp,
Energy: d.energy,
Congestion: d.congestion,
Loss: d.loss
})),
transforms: [
{
type: 'fold',
options: {
key: 'name',
value: 'value',
fields: ['LMP', 'Energy', 'Congestion', 'Loss']
}
}
]
},
xField: 'timestamp',
yField: 'value',
seriesField: 'name',
smooth: true,
legend: {
position: 'top'
},
tooltip: {
formatter: (datum) => ({
name: datum.name,
value: datum.value.toFixed(2)
})
},
dataZoom: [
{
orient: 'bottom',
height: 20,
start: title === 'fiveMin' ? 0.9 : 0.05,
end: 1
}
]
});
const computeKPIs = (data) => {
if (!data.length) return {
avgLmp: 0,
totalEnergy: 0,
maxCongestion: 0,
avgLoss: 0
};
const avgLmp = data.reduce((sum, d) => sum + d.lmp, 0) / data.length;
const totalEnergy = data.reduce((sum, d) => sum + d.energy, 0);
const maxCongestion = Math.max(...data.map(d => d.congestion));
const avgLoss = data.reduce((sum, d) => sum + d.loss, 0) / data.length;
return {
avgLmp,
totalEnergy,
maxCongestion,
avgLoss
};
};
const fiveMinKPIs = computeKPIs(fiveMinData);
const dayAheadKPIs = computeKPIs(dayAheadData);
const formatTimeAgo = (timestamp) => {
if (!timestamp) return '';
const seconds = Math.floor((now - timestamp) / 1000);
if (seconds < 60) return `${seconds} sec ago`;
const minutes = Math.floor(seconds / 60);
if (minutes < 60) return `${minutes} min ago`;
const hours = Math.floor(minutes / 60);
return `${hours} hr ago`;
};
return (
<div style={{ padding: 20, backgroundColor: 'var(--color-fill-2)' }}>
<Typography.Title heading={4}>Market Data Visualization</Typography.Title>
<Typography.Text type="secondary" style={{ marginTop: 10, display: 'block' }}>
Real-Time Data Last Updated: {formatTimeAgo(fiveMinLastUpdated)}
</Typography.Text>
<Typography.Text type="secondary" style={{ marginBottom: 20, display: 'block' }}>
Day-Ahead Data Last Updated: {formatTimeAgo(dayAheadLastUpdated)}
</Typography.Text>
{loading ? (
<Spin />
) : (
<>
<Row gutter={24} style={{ marginTop: 20, marginBottom: 20 }}>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Avg Real-Time LMP ($/MWh)">
<Typography.Title heading={5}>${fiveMinKPIs.avgLmp.toFixed(2)}</Typography.Title>
</Card>
</Col>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Total Real-Time Energy (MWh)">
<Typography.Title heading={5}>{fiveMinKPIs.totalEnergy.toFixed(2)}</Typography.Title>
</Card>
</Col>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Max Real-Time Congestion ($)">
<Typography.Title heading={5}>${fiveMinKPIs.maxCongestion.toFixed(2)}</Typography.Title>
</Card>
</Col>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Avg Real-Time Loss ($)">
<Typography.Title heading={5}>${fiveMinKPIs.avgLoss.toFixed(2)}</Typography.Title>
</Card>
</Col>
</Row>
<Row gutter={24} style={{ marginTop: 20, marginBottom: 20 }}>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Avg Day-Ahead LMP ($/MWh)">
<Typography.Title heading={5}>${dayAheadKPIs.avgLmp.toFixed(2)}</Typography.Title>
</Card>
</Col>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Total Day-Ahead Energy (MWh)">
<Typography.Title heading={5}>{dayAheadKPIs.totalEnergy.toFixed(2)}</Typography.Title>
</Card>
</Col>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Max Day-Ahead Congestion ($)">
<Typography.Title heading={5}>${dayAheadKPIs.maxCongestion.toFixed(2)}</Typography.Title>
</Card>
</Col>
<Col xs={12} md={6} style={{ marginTop: 10}}>
<Card style={{ textAlign: 'center' }} title="Avg Day-AheadLoss ($)">
<Typography.Title heading={5}>${dayAheadKPIs.avgLoss.toFixed(2)}</Typography.Title>
</Card>
</Col>
</Row>
<Row gutter={24} style={{ marginTop: 20 }}>
<Col
xs={24}
sm={24}
md={24}
lg={12}
>
<Card
style={{ marginBottom: 20 }}
bodyStyle={{ padding: 0 }}
title='Real-Time Market Data'
>
<div style={{ padding: 20 }}>
<VChart spec={getChartSpec(fiveMinData, 'fiveMin')} />
</div>
</Card>
</Col>
<Col
xs={24}
sm={24}
md={24}
lg={12}
>
<Card
style={{ marginBottom: 20 }}
bodyStyle={{ padding: 0 }}
title='Day-Ahead Market Data'
>
<div style={{ padding: 20 }}>
<VChart spec={getChartSpec(dayAheadData, 'dayAhead')} />
</div>
</Card>
</Col>
</Row>
</>
)}
</div>
);
}
export default MarketDataPage;
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