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Graph.js
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Graph.js
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import React, { useState, useEffect } from "react"
import {useRef} from 'react';
import Button from "./../components/Button"
import "./../css/home.css";
import { VictoryChart, VictoryLine, VictoryAxis} from 'victory';
import api from "./../logic/api.js";
export default function Graph(props) {
const chartStyles = {
axis: {
style: {
tickLabels: {
fill: 'white',
fontSize: '14px',
fontFamily: 'Rajdhani',
padding: 10,
textShadow: '2px 4px 10px black',
},
axis: {
stroke: '#015A72',
},
axisLabel: {
fill: 'white',
fontSize: '14px',
fontFamily: 'Rajdhani',
// textAnchor: 'bottom',
textShadow: '2px 4px 10px black',
},
},
},
}
const [timeframe, setTimeframe] = useState(props.timeframe);
const [selectedButton, setSelectedButton] = useState("1");
const [isLoading, setLoading] = useState(true);
const [cryptoData, setCryptoData] = useState([]);
const [stockData, setStockData] = useState([]);
const [overtake, setOvertake] = useState(); // The date that crypto overtakes stocks
let btnContainerRef = useRef();
const changeTF = (e)=>{
if(!isLoading) {
// setLoading(true);
if(timeframe != e.target.id) { // If the button is not the "already selected button"
btnContainerRef.current.style.pointerEvents = "none";
setTimeframe(e.target.id)
}
}
// setRemount(remount+1)
}
async function fetchData(fetchFunction) { // Fetches from the API
const res = await fetchFunction(timeframe).then((response) =>{
setStockData(response.stockData)
setCryptoData(response.cryptoData)
return response;
});
return res
}
useEffect(() => {
setLoading(true);
fetchData(api.callAPI).then((res)=>{
const date = api.calculateOvertake(res.stockData, res.cryptoData)
setOvertake(date)
console.log("Overtake date: "+date)
})
if(btnContainerRef.current !=null){
btnContainerRef.current.style.pointerEvents = "auto";
}
setLoading(false);
}, [timeframe]); // When the variable(s) in this array are changed, useEffect will be running again
if(isLoading){ // If we are still loading the data from API
return(
<div style={{width: "60vw", margin: "auto", fontSize:"150px"}}>
Loading...
</div>
)
}
return(
<React.Fragment>
<div className="dueDate">
<p className="dueDateText">Due date <span className="crypto">crypto</span> market overtake <span className="wallstreet">Wallstreet:</span></p>
<p className="dueDateDate">{overtake ? overtake: "NONE"}</p>
</div>
<VictoryChart theme={ chartStyles } style={{ parent: { maxWidth: "100%", margin:"auto" } }}
width={1030} height={400}
// containerComponent={
// <VictoryVoronoiContainer
// voronoiDimension="x"
// labels={() => `Wallstreet`}
// labelComponent={
// <VictoryTooltip
// style={{fill: "white", fontSize: "14", fontFamily: "Rajdhani", textShadow: "2px 4px 10px black" }}
// />}
// />}
>
<VictoryAxis label="Date" style={{
...chartStyles,
grid: {
stroke: 'none',
},
axisLabel: { ...chartStyles.axisLabel, padding: 35 }
}
}
tickCount={10}
/>
<VictoryAxis dependentAxis style={{
...chartStyles,
grid: {
stroke: 'none',
},
axisLabel: { ...chartStyles.axisLabel, padding: 35 }
}}
label="Market growth (%)"
/>
{/* <VictoryLabel
text={`Due date crypto`}
x={850}
y={10}
// textAnchor="middle"
style={{fill: "white", fontSize: "16", fontFamily: "Rajdhani", textShadow: "2px 4px 10px black" }}
/>
<VictoryLabel
text={`overtake Wallstreet`}
x={850}
y={28}
// textAnchor="middle"
style={{fill: "white", fontSize: "16", fontFamily: "Rajdhani", textShadow: "2px 4px 10px black" }}
/>
<VictoryLabel
text={`
2022-10-20`}
x={850}
y={50}
// textAnchor="middle"
style={{ fill: "red", fontSize: "30", fontFamily: "Rajdhani", fontWeight: "bold", textShadow: "2px 4px 10px black" }}
/> */}
<VictoryLine
style={{ data: { stroke: "#107C2E", strokeWidth: 2 }}}
animate={{ duration: 2000 }} data={stockData}
/>
<VictoryLine
style={{ data: { stroke: "#FFC700", strokeWidth: 2}}}
animate={{ duration: 2000 }}
data={cryptoData}
/>
</VictoryChart>
<div className="button-container" ref={btnContainerRef}>
<Button clickFunc={changeTF} id="7d" selected={timeframe}>7 days</Button>
<Button clickFunc={changeTF} id="1m" selected={timeframe}>1 month</Button>
<Button clickFunc={changeTF} id="6m" selected={timeframe}>6 months</Button>
<Button clickFunc={changeTF} id="1y" selected={timeframe}>1 year</Button>
</div>
{/* </div> */}
</React.Fragment>
);
}