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import React, { useState } from 'react';
import { useHistory } from 'react-router-dom';
import { makeStyles } from '@material-ui/core/styles';
import {
Button,
Card,
Divider,
Container
} from '@material-ui/core';
import { useSnackbar } from 'notistack';
import axios from 'axios';
import PollCreationImage from './PollCreationImage';
import UserStrip from '../../components/UserStrip/UserStrip';
import { get, post } from '../../requests';
import { useAuth } from '../../hooks/useAuth';
import { useFeed } from '../../hooks/APIClient';
const useStyles = makeStyles(theme => ({
root: {
marginBottom: theme.spacing(4)
},
images: {
height: theme.spacing(50),
display: 'flex'
}
}));
const PollCreation: React.FC = () => {
const classes = useStyles();
const history = useHistory();
const [left, setLeft] = useState<File | string>();
const [right, setRight] = useState<File | string>();
const { enqueueSnackbar } = useSnackbar();
const { user } = useAuth();
const { mutate: updateFeed } = useFeed();
const readyToSubmit = left && right;
const uploadFile = (file: File): Promise<string> => {
const headers = { 'Content-Type': 'image/png' };
return get('/files')
.then(response => response.data)
.then(uploadUrl => axios.put(uploadUrl, file, { headers }))
.then(response => {
const { config: { url } } = response;
return url?.slice(0, url?.indexOf('?')) || '';
});
};
const resolveFile = async (file?: File | string): Promise<string> => {
if (file instanceof File) return uploadFile(file);
return file || '';
};
const handleClick = async () => {
if (readyToSubmit) {
const [leftUrl, rightUrl] = await Promise.all([resolveFile(left), resolveFile(right)]);
const contents = {
left: { url: leftUrl },
right: { url: rightUrl }
};
post('/polls/', { contents }).then(response => {
updateFeed();
enqueueSnackbar('Your poll has been successfully created!', {
variant: 'success'
});
});
history.push('/feed');
}
};
return (
<Container maxWidth="sm" disableGutters>
<Card className={classes.root}>
{user && <UserStrip user={user} info="" />}
<Divider />
<div className={classes.images}>
<PollCreationImage file={left} setFile={setLeft} />
<PollCreationImage file={right} setFile={setRight} />
</div>
<Button
color="primary"
disabled={!readyToSubmit}
variant="contained"
onClick={handleClick}
fullWidth
>
Submit
</Button>
</Card>
</Container>
);
};
export default PollCreation;
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