datahub/pages/index.js

215 lines
6.7 KiB
JavaScript

import path from 'path'
import Head from 'next/head'
import Table from '../components/Table'
import filesize from 'filesize'
import { Vega } from 'react-vega';
import { getDataset } from '../lib/dataset'
import Chart from '../components/Chart'
import { addView } from '../lib/utils'
const datasetsDirectory = process.env.PORTAL_DATASET_PATH || path.join(process.cwd(), "fixtures", "datasetsDoubleView")
export default function Home({ dataset, specs }) {
if (!dataset && !specs) {
return (
<div className="container">
<Head>
<title>Dataset</title>
<link rel="icon" href="/favicon.ico" />
<link rel="preconnect" href="https://fonts.gstatic.com" />
<link href="https://fonts.googleapis.com/css2?family=Inconsolata&display=swap" rel="stylesheet" />
</Head>
<h1 data-testid="datasetTitle" className="text-3xl font-bold mb-8">
No dataset found in path
</h1>
</div>
)
}
const descriptor = dataset['descriptor']
const resources = dataset['resources']
let datasetSize = 0
if (resources) {
datasetSize = resources.length == 1 ?
resources[0].size :
resources.reduce((accumulator, currentValue) => {
return accumulator.size + currentValue.size
})
}
return (
<div className="container">
<Head>
<title>Dataset</title>
<link rel="icon" href="/favicon.ico" />
<link rel="preconnect" href="https://fonts.gstatic.com" />
<link href="https://fonts.googleapis.com/css2?family=Inconsolata&display=swap" rel="stylesheet" />
</Head>
<section className="m-8" name="key-info">
<h1 data-testid="datasetTitle" className="text-3xl font-bold mb-8">
{descriptor.title}
</h1>
<h1 className="text-2xl font-bold mb-4">Key info</h1>
<div className="grid grid-cols-7 gap-4">
<div>
<h3 className="text-1xl font-bold mb-2">Files</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Size</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Format</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Created</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Updated</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Licence</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Source</h3>
</div>
</div>
<div className="grid grid-cols-7 gap-4">
<div>
<h3 className="text-1xl">{resources.length}</h3>
</div>
<div>
<h3 className="text-1xl">{filesize(datasetSize, { bits: true })}</h3>
</div>
<div>
<h3 className="text-1xl">{resources[0].format} zip</h3>
</div>
<div>
<h3 className="text-1xl">{descriptor.created}</h3>
</div>
<div>
<h3 className="text-1xl">{descriptor.updated}</h3>
</div>
<div>
<h3 className="text-1xl">{descriptor.license}</h3>
</div>
<div>
<h3 className="text-1xl">
<a className="text-yellow-600"
href={descriptor.sources[0].web}>
{descriptor.sources[0].title}
</a>
</h3>
</div>
</div>
</section>
<section className="m-8" name="file-list">
<h1 className="text-2xl font-bold mb-4">Data Files</h1>
<div className="grid grid-cols-7 gap-4">
<div>
<h3 className="text-1xl font-bold mb-2">File</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Description</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Size</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Last Changed</h3>
</div>
<div>
<h3 className="text-1xl font-bold mb-2">Download</h3>
</div>
</div>
{resources.map((resource, index) => {
return (
<div key={`${index}_${resource.name}`} className="grid grid-cols-7 gap-4">
<div>
<h3 className="text-1xl">{resource.name}</h3>
</div>
<div>
<h3 className="text-1xl">{resource.description || "No description"}</h3>
</div>
<div>
<h3 className="text-1xl">{filesize(resource.size, { bits: true })}</h3>
</div>
<div>
<h3 className="text-1xl">{resource.updated}</h3>
</div>
<div>
<h3 className="text-1xl">
<a className="text-yellow-600" href={resource.path}>
{resource.format} ({filesize(resource.size, { bits: true })})
</a>
</h3>
</div>
</div>
)
})}
</section>
<section className="m-8" name="graph">
<h1 className="text-2xl font-bold mb-4">Graph</h1>
{!specs || Object.keys(specs).length == 0 ? (<div>
<h1>No graph to display</h1>
</div>) :
(
Object.values(JSON.parse(specs)).map((spec, i) => {
if (spec.specType == "vega") {
return (
<div key={`${i}_views`} className="ml-14">
<Vega spec={spec} />
</div>
)
} else if (["simple", "plotly"].includes(spec.specType)) {
return (
<div key={`${i}_views`}>
<Chart spec={spec} />
</div>)
} else {
return <h1 key={`${i}_views`}>Cannot display view</h1>
}
})
)}
</section>
<section className="m-8" name="sample-table" >
<h1 className="text-2xl font-bold mb-4">Data Preview</h1>
<h2 className="text-1xl">{descriptor.title}</h2>
{resources[0].sample ? (
<Table data={resources[0].sample} schema={resources[0].schema} />
) : (
'No preview is available for this dataset'
)}
</section>
<section className="m-8" name="sample-table">
<h1 className="text-2xl font-bold mb-4">README</h1>
<div className="prose">
<div dangerouslySetInnerHTML={{ __html: dataset.readmeHtml }} />
</div>
</section>
</div>
)
}
export async function getStaticProps() {
if (!datasetsDirectory) {
return { props: {} }
}
const dataset = await getDataset(datasetsDirectory)
const datasetWithViews = addView(dataset)
return datasetWithViews
}