added refresh button on resource chart close #31

frontend/src/components/resourcechart/resourcechart.js

@@ -11,11 +11,15 @@ import CardContent from '@material-ui/core/CardContent';
 import Typography from '@material-ui/core/Typography';
 import { makeStyles } from '@material-ui/core/styles';
 import Grid from '@material-ui/core/Grid';
+import Button from '@material-ui/core/Button';
 
 const useStyles = makeStyles((theme) => ({
     root: {
         display: 'flex',
     },
+    card: {
+        padding: 20
+    }
 }));
 
 const output = (data) => {
@@ -86,6 +90,8 @@ export default function ResourceChart(props) {
                         case 7:
                             qualitySortedData[qualitySortedData.length - 1]["q7"] = dataWithDate[i]["price"];
                             break;
+                        default:
+                            break;
                     }
                 } else {
                     qualitySortedData.push(dataWithDate[i]);
@@ -105,7 +111,9 @@ export default function ResourceChart(props) {
         loadData();
     }
 
-
+    const handleClick = (e) => {
+        loadData()
+    }
 
     return (
         <div className={classes.root}>
@@ -116,10 +124,13 @@ export default function ResourceChart(props) {
                     </Typography>
                 </Grid>
                 <Grid item xs={12}>
-                    <Card>
+                    <Card className={classes.card}>
                         <CardContent>
                             {output(data)}
                         </CardContent>
+                        <Button variant="contained" color="secondary" onClick={handleClick}>
+                            Refresh
+                        </Button>
                     </Card>
                 </Grid>
             </Grid>