liquid-funding/app/components/projects/Project.jsx

269 lines
8.4 KiB
JavaScript

import web3 from 'Embark/web3'
import React, { useMemo } from 'react'
import { Link } from 'react-router-dom'
import Typography from '@material-ui/core/Typography'
import Button from '@material-ui/core/Button'
import withObservables from '@nozbe/with-observables'
import { Q } from '@nozbe/watermelondb'
import { withDatabase } from '@nozbe/watermelondb/DatabaseProvider'
import CardMedia from '@material-ui/core/CardMedia'
import LinearProgress from '@material-ui/core/LinearProgress'
import Loading from '../base/Loading'
import Avatar from '@material-ui/core/Avatar'
import ReactPlayer from 'react-player'
import { uniqBy, length } from 'ramda'
import { withStyles } from '@material-ui/core/styles'
import PropTypes from 'prop-types'
import { toEther } from '../../utils/conversions'
import { getTokenLabel } from '../../utils/currencies'
import { timeSinceBlock } from '../../utils/dates'
import { getFiles } from '../../utils/ipfs'
import { useProjectData } from './hooks'
const styles = theme => ({
root: {
display: 'grid',
gridTemplateColumns: '1fr 5fr',
gridTemplateRows: '1fr 4fr',
gridColumnGap: '1em',
gridRowGap: '36px',
margin: '1.75rem 4.5rem',
fontFamily: theme.typography.fontFamily
},
paper: {
padding: theme.spacing.unit * 2,
textAlign: 'center',
color: theme.palette.text.secondary,
},
title: {
fontSize: '2.5rem'
},
subTitle: {
fontSize: '1.5rem',
fontWeight: 200
},
creator:{
display: 'flex',
flexDirection: 'column',
justifyContent: 'space-around',
alignItems: 'end'
},
creatorName: {
fontSize: '1rem'
},
media: {
objectFit: 'cover'
},
secondRow: {
gridColumnStart: '1',
gridColumnEnd: '3',
display: 'grid',
gridTemplateColumns: '2fr 1fr',
gridColumnGap: '3em'
},
infoBox: {
display: 'grid',
gridTemplateRows: '0rem 2.5rem 2.5rem 2.5rem',
gridRowGap: '2rem'
},
infoBoxSection: {
display: 'flex',
flexDirection: 'column'
},
infoText: {
fontSize: '2rem'
},
raisedAmount: {
fontSize: '2em',
color: theme.palette.primary.main
},
subtext: {
...theme.typography.caption,
fontSize: '1rem'
},
linearColorPrimary: {
backgroundColor: '#00000014',
},
linearBarColorPrimary: {
backgroundColor: theme.palette.primary.main
},
link: {
textDecoration: 'none'
}
})
function getReceivedAmount(id, transfers){
return transfers
.filter(t => t.returnValues.to === id)
.reduce((pv, cv) => {
const amount = Number(toEther(cv.returnValues.amount))
return pv + amount
}, 0)
}
function getWithdrawnAmount(id, transfers){
return transfers
.filter(t => t.returnValues.from === id)
.reduce((pv, cv) => {
const amount = Number(toEther(cv.returnValues.amount))
return pv + amount
}, 0)
}
function getAmountsPledged(pledges){
const amounts = {}
pledges.forEach(pledge => {
const { token, amount } = pledge
if (amounts[token]) amounts[token] += Number(toEther(amount))
else amounts[token] = Number(toEther(amount))
})
return Object
.entries(amounts)
.map(entry => ([getTokenLabel(entry[0]), entry[1]]))
}
function getNumberOfBackers(pledges){
return length(uniqBy(p => p.owner, pledges))
}
async function getProjectAge(id, events, setState){
const event = events.find(e => e.returnValues.idProject === id)
const { timestamp } = await web3.eth.getBlock(event.blockNumber)
setState(timeSinceBlock(timestamp, 'days'))
}
async function getProjectAssets(hash, setState){
console.log({hash})
const CID = hash.split('/').slice(-1)[0]
getFiles(CID)
.then((files) => {
setState(files)
const manifest = files[2]
console.log({files}, JSON.parse(manifest.content))
})
.catch(console.log)
}
const getProjectManifest = assets => assets ? JSON.parse(assets.find(a => a.name.toLowerCase() === 'manifest.json').content) : null
const formatMedia = content => {
const blob = new Blob([content], {type : 'video/mp4'})
return URL.createObjectURL(blob)
}
const getMediaType = assets => {
if (!assets) return false
const { media } = getProjectManifest(assets)
if (media.type.toLowerCase().includes('video')) return true
}
const getMediaSrc = assets => {
if (!assets) return null
const { media } = getProjectManifest(assets)
if (media.type.includes('video')) {
if (media.url) return media.url
if (media.file) {
return formatMedia(
assets.find(a => a.name === media.file).content
)
}
}
}
function Project({ classes, match, profile, transfers, pledges, projectAddedEvents }) {
const projectId = match.params.id
const { projectAge, projectAssets, manifest } = useProjectData(projectId, profile, projectAddedEvents)
const amountsPledged = useMemo(() => getAmountsPledged(pledges), [pledges])
const numberOfBackers = useMemo(() => getNumberOfBackers(pledges), [pledges])
const mediaType = useMemo(() => getMediaType(projectAssets), [projectAssets])
const mediaUrl = useMemo(() => getMediaSrc(projectAssets), [projectAssets])
const totalPledged = amountsPledged[0] ? amountsPledged[0][1] : 0
const percentToGoal = manifest ? Math.min(
(Number(totalPledged) / Number(manifest.goal)) * 100,
100
) : 0
console.log({profile, projectAssets, mediaUrl, mediaType, amountsPledged, pledges, transfers})
return (
!projectAssets
? <Loading />
:
<div className={classes.root}>
<div className={classes.creator}>
<Avatar src={manifest && manifest.avatar} />
<Typography className={classes.creatorName}>{manifest && `By ${manifest.creator}`}</Typography>
</div>
<div>
<Typography className={classes.title} component="h2" gutterBottom>
{manifest && manifest.title}
</Typography>
<Typography className={classes.subTitle} component="h5" gutterBottom>
{manifest && manifest.subtitle}
</Typography>
</div>
<div className={classes.secondRow}>
{mediaType
? <ReactPlayer width="100%" height="100%" url={mediaUrl} playing={manifest.media.isPlaying} />
: <CardMedia
component="img"
alt="video"
className={classes.media}
src={mediaUrl}
title="media-description"
/>}
<div className={classes.infoBox}>
{amountsPledged[0] ? <LinearProgress
classes={{
colorPrimary: classes.linearColorPrimary,
barColorPrimary: classes.linearBarColorPrimary,
}}
variant="determinate"
value={percentToGoal}
/> : <LinearProgress />}
<div className={classes.infoBoxSection}>
<span className={classes.raisedAmount}>
{`${totalPledged.toLocaleString()} ${amountsPledged[0] ? amountsPledged[0][0] : ''}`}
</span>
<span className={classes.subtext}>{manifest && `pledged of ${Number(manifest.goal).toLocaleString()} goal`}</span>
</div>
<div className={classes.infoBoxSection}>
<span className={classes.infoText}>{numberOfBackers}</span>
<span className={classes.subtext}>backers</span>
</div>
<div className={classes.infoBoxSection}>
<span className={classes.infoText}>{projectAge}</span>
<span className={classes.subtext}>days active</span>
</div>
<Link to={`/back-project/${projectId}`} className={classes.link}>
<Button color="primary" variant="contained" style={{ height: '50px', width: '100%' }}>Back this project</Button>
</Link>
</div>
</div>
</div>
)
}
Project.propTypes = {
classes: PropTypes.object.isRequired,
match: PropTypes.object,
profile: PropTypes.array.isRequired,
}
const StyledProject = withStyles(styles)(Project)
export default withDatabase(withObservables([], ({ database, match }) => ({
profile: database.collections.get('profiles').query(
Q.where('id_profile', match.params.id)
).observe(),
transfers: database.collections.get('lp_events').query(
Q.where('event', 'Transfer')
).observe(),
projectAddedEvents: database.collections.get('lp_events').query(
Q.where('event', 'ProjectAdded')
).observe(),
pledges: database.collections.get('pledges').query(
Q.where('intended_project', match.params.id)
).observe()
}))(StyledProject))