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import React, { ChangeEvent, useState, useMemo } from 'react';
import Bluebird from 'bluebird';
import { makeStyles } from '@material-ui/core/styles';
import { Card, Container, LinearProgress, InputBase, Typography } from '@material-ui/core';
import SendIcon from '@material-ui/icons/Send';
import { useSnackbar } from 'notistack';
import useS3Preupload from './useS3Preupload';
import ImageInput from './ImageInput';
import ModalScreen from '../../components/ModalScreen/ModalScreen';
import Message from '../../components/Message/Message';
import UserStrip from '../../components/UserStrip/UserStrip';
import { post } from '../../requests';
import { useFeed, useProfile } from '../../hooks/APIClient';
import { useAuth } from '../../hooks/useAuth';
const useStyles = makeStyles(theme => ({
images: {
height: theme.spacing(50),
display: 'flex'
},
textarea: {
width: '100%',
height: 100
},
description: {
fontSize: 14,
padding: theme.spacing(1, 2)
}
}));
const PollCreation: React.FC = () => {
const [description, setDescription] = useState<string>('');
const classes = useStyles();
const { enqueueSnackbar } = useSnackbar();
const { user } = useAuth();
const { mutate: updateFeed } = useFeed();
const { mutate: updateProfile } = useProfile(user?.username || '');
const {
file: left,
setFile: setLeft,
resolve: resolveLeft,
progress: leftProgress
} = useS3Preupload();
const {
file: right,
setFile: setRight,
resolve: resolveRight,
progress: rightProgress
} = useS3Preupload();
const handleDescriptionChange = (e: ChangeEvent<HTMLTextAreaElement|HTMLInputElement>) => {
setDescription(e.target.value);
};
const handleSubmit = async () => {
try {
const [leftUrl, rightUrl] = await Bluebird.all([resolveLeft(), resolveRight()]);
const contents = {
left: { url: leftUrl },
right: { url: rightUrl }
};
post('/polls/', { contents, description }).then(() => {
updateFeed();
updateProfile();
enqueueSnackbar('Your poll has been successfully created!', { variant: 'success' });
});
} catch (error) {
enqueueSnackbar('Failed to create a poll. Please, try again.', { variant: 'error' });
}
};
const isSubmitting = useMemo(() => leftProgress + rightProgress > 0, [leftProgress, rightProgress]);
return (
<ModalScreen
title="Create a poll"
actionIcon={<SendIcon />}
handleAction={handleSubmit}
isActionDisabled={!(left && right) || isSubmitting}
>
<Container maxWidth="sm" disableGutters>
<Card elevation={3}>
{user && <UserStrip user={user} />}
<Typography component="span">
<InputBase
multiline
fullWidth
placeholder="Add description"
onChange={handleDescriptionChange}
className={classes.description}
readOnly={isSubmitting}
/>
</Typography>
<div className={classes.images}>
<ImageInput callback={setLeft} progress={leftProgress} />
<ImageInput callback={setRight} progress={rightProgress} />
</div>
</Card>
{isSubmitting && (
<>
<LinearProgress color="primary" />
<Message
tagline="You can close this window now"
message="We will upload your images in the background."
noMargin
/>
</>
)}
</Container>
</ModalScreen>
);
};
export default PollCreation;
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