oceanprotocol/commons
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Code Releases Activity

refactor IPFS dropzone

Browse Source 
* only allow single file for now
* async file content reading
* output list of files by default in Dropzone component
This commit is contained in:
Matthias Kretschmann 2019-09-18 12:52:42 +02:00
parent 302986d63b
commit 6d4b6b77c2
Signed by: m
GPG Key ID: 606EEEF3C479A91F
9 changed files with 291 additions and 230 deletions
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client/package-lock.json generated
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}
},
"sanitize-filename": {
"version": "1.6.3",
"resolved": "https://registry.npmjs.org/sanitize-filename/-/sanitize-filename-1.6.3.tgz",
"integrity": "sha512-y/52Mcy7aw3gRm7IrcGDFx/bCk4AhRh2eI9luHOQM86nZsqwiRkkq2GekHXBBD+SmPidc8i2PqtYZl+pWJ8Oeg==",
@ -22833,9 +22843,9 @@
"dev": true
},
"table": {
"version": "5.4.4",
"resolved": "https://registry.npmjs.org/table/-/table-5.4.4.tgz",
"integrity": "sha512-IIfEAUx5QlODLblLrGTTLJA7Tk0iLSGBvgY8essPRVNGHAzThujww1YqHLs6h3HfTg55h++RzLHH5Xw/rfv+mg==",
"version": "5.4.6",
"resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
"integrity": "sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==",
"dev": true,
"requires": {
"ajv": "^6.10.2",

2
client/package.json
View File

@ -14,7 +14,7 @@
},
"dependencies": {
"@oceanprotocol/art": "^2.2.0",
"@oceanprotocol/squid": "^0.7.2",
"@oceanprotocol/squid": "^0.7.3",
"@oceanprotocol/typographies": "^0.1.0",
"@sindresorhus/slugify": "^0.9.1",
"axios": "^0.19.0",

8
client/src/components/molecules/Dropzone.module.scss
View File

@ -35,3 +35,11 @@
opacity: .5;
pointer-events: none;
}
.dropzoneFiles {
padding: $spacer 0;
ul {
margin: 0;
}
}

60
client/src/components/molecules/Dropzone.tsx
View File

@ -1,34 +1,62 @@
import React, { useCallback } from 'react'
import { useDropzone } from 'react-dropzone'
import styles from './Dropzone.module.scss'
import { formatBytes } from '../../utils/utils'
export default function Dropzone({
handleOnDrop,
disabled
disabled,
multiple
}: {
handleOnDrop(files: File[]): void
disabled?: boolean
multiple?: boolean
}) {
const onDrop = useCallback(acceptedFiles => handleOnDrop(acceptedFiles), [
handleOnDrop
])
const { getRootProps, getInputProps, isDragActive } = useDropzone({
onDrop
})
const {
acceptedFiles,
getRootProps,
getInputProps,
isDragActive,
isDragReject
} = useDropzone({ onDrop })
const files = acceptedFiles.map((file: any) => (
<li key={file.path}>
{file.path} - {formatBytes(file.size, 0)}
</li>
))
return (
<div
{...getRootProps({
className: isDragActive
? styles.dragover
: disabled
? styles.disabled
: styles.dropzone
})}
>
<input {...getInputProps()} />
<p>{`Drag 'n' drop some files here, or click to select files`}</p>
</div>
<>
{acceptedFiles.length > 0 ? (
<aside className={styles.dropzoneFiles}>
<ul>{files}</ul>
</aside>
) : (
<div
{...getRootProps({
className: isDragActive
? styles.dragover
: disabled
? styles.disabled
: styles.dropzone
})}
>
<input {...getInputProps({ multiple })} />
<p>
{isDragActive && !isDragReject
? `Drop it like it's hot!`
: multiple
? `Drag 'n' drop some files here, or click to select files`
: `Drag 'n' drop a file here, or click to select a file`}
{}
</p>
</div>
)}
</>
)
}

81
client/src/routes/Publish/Files/Ipfs/index.tsx
View File

@ -1,11 +1,12 @@
/* eslint-disable no-console */
import React, { useState } from 'react'
import React, { useState, useEffect } from 'react'
import useIpfsApi from '../../../../hooks/use-ipfs-api'
import Label from '../../../../components/atoms/Form/Label'
import Spinner from '../../../../components/atoms/Spinner'
import Dropzone from '../../../../components/molecules/Dropzone'
import { formatBytes, pingUrl } from './utils'
import { formatBytes } from '../../../../utils/utils'
import { pingUrl, readFileAsync } from './utils'
import { ipfsGatewayUri } from '../../../../config'
import styles from './index.module.scss'
@ -26,54 +27,56 @@ export default function Ipfs({ addFile }: { addFile(url: string): void }) {
const [loading, setLoading] = useState(false)
const [message, setMessage] = useState('')
const [received, setReceived] = useState(0)
async function saveToIpfs(data: Buffer, size: number) {
const totalSize = formatBytes(size, 0)
setLoading(true)
setMessage(`Adding to IPFS<br /><small>0/${totalSize}</small><br />`)
useEffect(() => {
setMessage(
`Adding to IPFS<br />
<small>${formatBytes(received, 0)}</small><br />`
)
}, [received])
async function addToIpfs(data: Buffer | ArrayBuffer | File | File[]) {
try {
const response = await ipfs.add(data, {
progress: (length: number) =>
setMessage(
`Adding to IPFS<br />
<small>${formatBytes(
length,
0
)}/${totalSize}</small><br />`
)
progress: (length: number) => {
console.log(`Received: ${formatBytes(length, 0)}`)
setReceived(length)
}
})
console.log(response)
const cid = response[0].hash
console.log(`File added: ${cid}`)
// Ping gateway url to make it globally available,
// but store native url in DDO.
const urlGateway = `${ipfsGatewayUri}/ipfs/${cid}`
const url = `ipfs://${cid}`
setMessage('Checking IPFS gateway URL')
await pingUrl(urlGateway)
// add IPFS url to file.url
addFile(url)
return cid
} catch (error) {
console.error(`Adding to IPFS failed: ${error.message}`)
setLoading(false)
}
}
function handleOnDrop(files: File[]) {
files.forEach((file: File) => {
const reader: any = new FileReader()
async function handleOnDrop(acceptedFiles: File[]) {
const { size } = acceptedFiles[0]
const totalSize = formatBytes(size, 0)
reader.readAsArrayBuffer(file)
reader.onloadend = () => {
const buffer: any = Buffer.from(reader.result)
saveToIpfs(buffer, file.size)
}
})
setLoading(true)
setMessage(`Adding to IPFS<br /><small>0/${totalSize}</small><br />`)
// Add file to IPFS node
const content: any = await readFileAsync(acceptedFiles[0])
const data = Buffer.from(content)
const cid = await addToIpfs(data)
if (!cid) return
// Ping gateway url to make it globally available,
// but store native url in DDO.
const urlGateway = `${ipfsGatewayUri}/ipfs/${cid}`
const url = `ipfs://${cid}`
setMessage('Checking IPFS gateway URL')
await pingUrl(urlGateway)
// add IPFS url to file.url
addFile(url)
}
return (
@ -84,7 +87,11 @@ export default function Ipfs({ addFile }: { addFile(url: string): void }) {
{loading ? (
<Spinner message={message} />
) : (
<Dropzone handleOnDrop={handleOnDrop} disabled={!isIpfsReady} />
<Dropzone
multiple={false}
handleOnDrop={handleOnDrop}
disabled={!isIpfsReady}
/>
)}
{ipfsMessage !== '' && (
<div className={styles.message} title={ipfsVersion}>

20
client/src/routes/Publish/Files/Ipfs/utils.tsx
View File

@ -13,12 +13,16 @@ export async function pingUrl(url: string) {
}
}
export function formatBytes(a: number, b: number) {
if (a === 0) return '0 Bytes'
const c = 1024
const d = b || 2
const e = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
const f = Math.floor(Math.log(a) / Math.log(c))
return parseFloat((a / Math.pow(c, f)).toFixed(d)) + ' ' + e[f]
export function readFileAsync(file: File) {
return new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onerror = () => {
reader.abort()
reject(new DOMException('Problem parsing input file.'))
}
reader.onload = () => {
resolve(reader.result)
}
reader.readAsArrayBuffer(file)
})
}

18
client/src/routes/Publish/Files/index.tsx
View File

@ -1,6 +1,7 @@
import React, { FormEvent, PureComponent, ChangeEvent } from 'react'
import axios from 'axios'
import { Logger } from '@oceanprotocol/squid'
import { Logger, File } from '@oceanprotocol/squid'
import shortid from 'shortid'
import Button from '../../../components/atoms/Button'
import Help from '../../../components/atoms/Form/Help'
import ItemForm from './ItemForm'
@ -10,17 +11,8 @@ import styles from './index.module.scss'
import { serviceUri } from '../../../config'
import cleanupContentType from '../../../utils/cleanupContentType'
import shortid from 'shortid'
export interface File {
url: string
contentType: string
checksum?: string
checksumType?: string
contentLength?: number
resourceId?: string
encoding?: string
compression?: string
export interface FilePublish extends File {
found: boolean // non-standard
}
@ -80,7 +72,7 @@ export default class Files extends PureComponent<FilesProps, FilesStates> {
}
private async getFile(url: string) {
const file: File = {
const file: FilePublish = {
url,
contentType: '',
found: false // non-standard
@ -124,7 +116,7 @@ export default class Files extends PureComponent<FilesProps, FilesStates> {
})
}
const file: File | undefined = await this.getFile(url)
const file: FilePublish | undefined = await this.getFile(url)
file && this.props.files.push(file)
const event = {

3
client/src/routes/Publish/index.tsx
View File

@ -1,5 +1,5 @@
import React, { ChangeEvent, Component, FormEvent } from 'react'
import { Logger } from '@oceanprotocol/squid'
import { Logger, File } from '@oceanprotocol/squid'
import Web3 from 'web3'
import Route from '../../components/templates/Route'
import Form from '../../components/atoms/Form/Form'
@ -11,7 +11,6 @@ import ReactGA from 'react-ga'
import { allowPricing } from '../../config'
import { steps } from '../../data/form-publish.json'
import Content from '../../components/atoms/Content'
import { File } from './Files'
import withTracker from '../../hoc/withTracker'
type AssetType = 'dataset' | 'algorithm' | 'container' | 'workflow' | 'other'

13
client/src/utils/utils.ts Normal file
View File

@ -0,0 +1,13 @@
export function formatBytes(a: number, b: number) {
if (a === 0) return '0 Bytes'
const c = 1024
const d = b || 2
const e = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
const f = Math.floor(Math.log(a) / Math.log(c))
return parseFloat((a / Math.pow(c, f)).toFixed(d)) + ' ' + e[f]
}
export function arraySum(array: number[]) {
return array.reduce((a, b) => a + b, 0)
}