c8806b8441
With '.ts' when building next it fails with following error:
```
18:56:07.172
ERROR in /vercel/2f45f54/pages/[org]/[dataset]/index.tsx(3,19):
18:56:07.172
3:19 File '/vercel/2f45f54/utils/index.ts' is not a module.
18:56:07.172
1 | import { GetServerSideProps } from 'next'
18:56:07.172
2 | import config from '../../../config'
18:56:07.172
> 3 | import utils from '../../../utils'
18:56:07.172
| ^
18:56:07.172
4 | import Head from 'next/head'
18:56:07.172
5 | import Nav from '../../../components/Nav'
18:56:07.172
6 | import About from '../../../components/dataset/About'
```
510 lines
14 KiB
JavaScript
510 lines
14 KiB
JavaScript
const { URL } = require('url')
|
|
const bytes = require('bytes')
|
|
const slugify = require('slugify')
|
|
const config = require('../config')
|
|
|
|
module.exports.ckanToDataPackage = function (descriptor) {
|
|
// Make a copy
|
|
const datapackage = JSON.parse(JSON.stringify(descriptor))
|
|
|
|
// Lowercase name
|
|
datapackage.name = datapackage.name.toLowerCase()
|
|
|
|
// Rename notes => description
|
|
if (datapackage.notes) {
|
|
datapackage.description = datapackage.notes
|
|
delete datapackage.notes
|
|
}
|
|
|
|
// Rename ckan_url => homepage
|
|
if (datapackage.ckan_url) {
|
|
datapackage.homepage = datapackage.ckan_url
|
|
delete datapackage.ckan_url
|
|
}
|
|
|
|
// Parse license
|
|
const license = {}
|
|
if (datapackage.license_id) {
|
|
license.type = datapackage.license_id
|
|
delete datapackage.license_id
|
|
}
|
|
if (datapackage.license_title) {
|
|
license.title = datapackage.license_title
|
|
delete datapackage.license_title
|
|
}
|
|
if (datapackage.license_url) {
|
|
license.url = datapackage.license_url
|
|
delete datapackage.license_url
|
|
}
|
|
if (Object.keys(license).length > 0) {
|
|
datapackage.license = license
|
|
}
|
|
|
|
// Parse author and sources
|
|
const source = {}
|
|
if (datapackage.author) {
|
|
source.name = datapackage.author
|
|
delete datapackage.author
|
|
}
|
|
if (datapackage.author_email) {
|
|
source.email = datapackage.author_email
|
|
delete datapackage.author_email
|
|
}
|
|
if (datapackage.url) {
|
|
source.web = datapackage.url
|
|
delete datapackage.url
|
|
}
|
|
if (Object.keys(source).length > 0) {
|
|
datapackage.sources = [source]
|
|
}
|
|
|
|
// Parse maintainer
|
|
const author = {}
|
|
if (datapackage.maintainer) {
|
|
author.name = datapackage.maintainer
|
|
delete datapackage.maintainer
|
|
}
|
|
if (datapackage.maintainer_email) {
|
|
author.email = datapackage.maintainer_email
|
|
delete datapackage.maintainer_email
|
|
}
|
|
if (Object.keys(author).length > 0) {
|
|
datapackage.author = author
|
|
}
|
|
|
|
// Parse tags
|
|
if (datapackage.tags) {
|
|
datapackage.keywords = []
|
|
datapackage.tags.forEach(tag => {
|
|
datapackage.keywords.push(tag.name)
|
|
})
|
|
delete datapackage.tags
|
|
}
|
|
|
|
// Parse extras
|
|
// TODO
|
|
|
|
// Resources
|
|
datapackage.resources = datapackage.resources.map(resource => {
|
|
if (resource.name) {
|
|
resource.title = resource.title || resource.name
|
|
resource.name = resource.name.toLowerCase().replace(/ /g, '_')
|
|
} else {
|
|
resource.name = resource.id
|
|
}
|
|
|
|
if (resource.url) {
|
|
resource.path = resource.url
|
|
delete resource.url
|
|
}
|
|
|
|
if (!resource.schema) {
|
|
// If 'fields' property exists use it as schema fields
|
|
if (resource.fields) {
|
|
if (typeof(resource.fields) === 'string') {
|
|
try {
|
|
resource.fields = JSON.parse(resource.fields)
|
|
} catch (e) {
|
|
console.log('Could not parse resource.fields')
|
|
}
|
|
}
|
|
resource.schema = {fields: resource.fields}
|
|
delete resource.fields
|
|
}
|
|
}
|
|
|
|
return resource
|
|
})
|
|
|
|
return datapackage
|
|
}
|
|
|
|
/*
|
|
At the moment, we're considering only following examples of CKAN view:
|
|
1. recline_view => Data Explorer with Table view, Chart Builder, Map Builder
|
|
and Query Builder.
|
|
2. geojson_view => Leaflet map
|
|
3. pdf_view => our PDF viewer
|
|
4. recline_grid_view => our Table viewer
|
|
5. recline_graph_view => our Simple graph
|
|
6. recline_map_view => our Leaflet map
|
|
7. image_view => not supported at the moment
|
|
8. text_view => not supported at the moment
|
|
9. webpage_view => not supported at the moment
|
|
*/
|
|
module.exports.ckanViewToDataPackageView = (ckanView) => {
|
|
const viewTypeToSpecType = {
|
|
recline_view: 'dataExplorer', // from datastore data
|
|
recline_grid_view: 'table',
|
|
recline_graph_view: 'simple',
|
|
recline_map_view: 'tabularmap',
|
|
geojson_view: 'map',
|
|
pdf_view: 'document',
|
|
image_view: 'web',
|
|
webpage_view: 'web'
|
|
}
|
|
const dataPackageView = JSON.parse(JSON.stringify(ckanView))
|
|
dataPackageView.specType = viewTypeToSpecType[ckanView.view_type]
|
|
|| dataPackageView.specType
|
|
|| 'unsupported'
|
|
|
|
if (dataPackageView.specType === 'dataExplorer') {
|
|
dataPackageView.spec = {
|
|
widgets: [
|
|
{specType: 'table'},
|
|
{specType: 'simple'},
|
|
{specType: 'tabularmap'}
|
|
]
|
|
}
|
|
} else if (dataPackageView.specType === 'simple') {
|
|
const graphTypeConvert = {
|
|
lines: 'line',
|
|
'lines-and-points': 'lines-and-points',
|
|
points: 'points',
|
|
bars: 'horizontal-bar',
|
|
columns: 'bar'
|
|
}
|
|
dataPackageView.spec = {
|
|
group: ckanView.group,
|
|
series: Array.isArray(ckanView.series) ? ckanView.series : [ckanView.series],
|
|
type: graphTypeConvert[ckanView.graph_type] || 'line'
|
|
}
|
|
} else if (dataPackageView.specType === 'tabularmap') {
|
|
if (ckanView.map_field_type === 'geojson') {
|
|
dataPackageView.spec = {
|
|
geomField: ckanView.geojson_field
|
|
}
|
|
} else {
|
|
dataPackageView.spec = {
|
|
lonField: ckanView.longitude_field,
|
|
latField: ckanView.latitude_field
|
|
}
|
|
}
|
|
}
|
|
|
|
return dataPackageView
|
|
}
|
|
|
|
/*
|
|
Takes single field descriptor from datastore data dictionary and coverts into
|
|
tableschema field descriptor.
|
|
*/
|
|
module.exports.dataStoreDataDictionaryToTableSchema = (dataDictionary) => {
|
|
const internalDataStoreFields = ['_id', '_full_text', '_count']
|
|
if (internalDataStoreFields.includes(dataDictionary.id)) {
|
|
return null
|
|
}
|
|
const dataDictionaryType2TableSchemaType = {
|
|
'text': 'string',
|
|
'int': 'integer',
|
|
'float': 'number',
|
|
'date': 'date',
|
|
'time': 'time',
|
|
'timestamp': 'datetime',
|
|
'bool': 'boolean',
|
|
'json': 'object'
|
|
}
|
|
const field = {
|
|
name: dataDictionary.id,
|
|
type: dataDictionaryType2TableSchemaType[dataDictionary.type] || 'any'
|
|
}
|
|
if (dataDictionary.info) {
|
|
const constraintsAttributes = ['required', 'unique', 'minLength', 'maxLength', 'minimum', 'maximum', 'pattern', 'enum']
|
|
field.constraints = {}
|
|
Object.keys(dataDictionary.info).forEach(key => {
|
|
if (constraintsAttributes.includes(key)) {
|
|
field.constraints[key] = dataDictionary.info[key]
|
|
} else {
|
|
field[key] = dataDictionary.info[key]
|
|
}
|
|
})
|
|
}
|
|
return field
|
|
}
|
|
|
|
module.exports.convertToStandardCollection = (descriptor) => {
|
|
const standard = {
|
|
name: '',
|
|
title: '',
|
|
summary: '',
|
|
image: '',
|
|
count: null
|
|
}
|
|
|
|
standard.name = descriptor.name
|
|
standard.title = descriptor.title || descriptor.display_name
|
|
standard.summary = descriptor.description || ''
|
|
standard.image = descriptor.image_display_url || descriptor.image_url
|
|
standard.count = descriptor.package_count || 0
|
|
standard.extras = descriptor.extras || []
|
|
standard.groups = descriptor.groups || []
|
|
|
|
return standard
|
|
}
|
|
|
|
|
|
module.exports.convertToCkanSearchQuery = (query) => {
|
|
const ckanQuery = {
|
|
q: '',
|
|
fq: '',
|
|
rows: '',
|
|
start: '',
|
|
sort: '',
|
|
'facet.field': ['organization', 'groups', 'tags', 'res_format', 'license_id'],
|
|
'facet.limit': 5,
|
|
'facet.mincount': 0
|
|
}
|
|
// Split by space but ignore spaces within double quotes:
|
|
if (query.q) {
|
|
query.q.match(/(?:[^\s"]+|"[^"]*")+/g).forEach(part => {
|
|
if (part.includes(':')) {
|
|
ckanQuery.fq += part + ' '
|
|
} else {
|
|
ckanQuery.q += part + ' '
|
|
}
|
|
})
|
|
ckanQuery.fq = ckanQuery.fq.trim()
|
|
ckanQuery.q = ckanQuery.q.trim()
|
|
}
|
|
|
|
if (query.fq) {
|
|
ckanQuery.fq = ckanQuery.fq ? ckanQuery.fq + ' ' + query.fq : query.fq
|
|
}
|
|
|
|
// standard 'size' => ckan 'rows'
|
|
ckanQuery.rows = query.size || ''
|
|
|
|
// standard 'from' => ckan 'start'
|
|
ckanQuery.start = query.from || ''
|
|
|
|
// standard 'sort' => ckan 'sort'
|
|
const sortQueries = []
|
|
if (query.sort && query.sort.constructor == Object) {
|
|
for (let [key, value] of Object.entries(query.sort)) {
|
|
sortQueries.push(`${key} ${value}`)
|
|
}
|
|
ckanQuery.sort = sortQueries.join(',')
|
|
} else if (query.sort && query.sort.constructor == String) {
|
|
ckanQuery.sort = query.sort.replace(':', ' ')
|
|
} else if (query.sort && query.sort.constructor == Array) {
|
|
query.sort.forEach(sort => {
|
|
sortQueries.push(sort.replace(':', ' '))
|
|
})
|
|
ckanQuery.sort = sortQueries.join(',')
|
|
}
|
|
|
|
// Facets
|
|
ckanQuery['facet.field'] = query['facet.field'] || ckanQuery['facet.field']
|
|
ckanQuery['facet.limit'] = query['facet.limit'] || ckanQuery['facet.limit']
|
|
ckanQuery['facet.mincount'] = query['facet.mincount'] || ckanQuery['facet.mincount']
|
|
ckanQuery['facet.field'] = query['facet.field'] || ckanQuery['facet.field']
|
|
|
|
// Remove attributes with empty string, null or undefined values
|
|
Object.keys(ckanQuery).forEach((key) => (!ckanQuery[key]) && delete ckanQuery[key])
|
|
|
|
return ckanQuery
|
|
}
|
|
|
|
|
|
module.exports.pagination = (c, m) => {
|
|
let current = c,
|
|
last = m,
|
|
delta = 2,
|
|
left = current - delta,
|
|
right = current + delta + 1,
|
|
range = [],
|
|
rangeWithDots = [],
|
|
l;
|
|
|
|
range.push(1)
|
|
for (let i = c - delta; i <= c + delta; i++) {
|
|
if (i >= left && i < right && i < m && i > 1) {
|
|
range.push(i);
|
|
}
|
|
}
|
|
range.push(m)
|
|
|
|
for (let i of range) {
|
|
if (l) {
|
|
if (i - l === 2) {
|
|
rangeWithDots.push(l + 1);
|
|
} else if (i - l !== 1) {
|
|
rangeWithDots.push('...');
|
|
}
|
|
}
|
|
rangeWithDots.push(i);
|
|
l = i;
|
|
}
|
|
return rangeWithDots;
|
|
}
|
|
|
|
|
|
module.exports.processMarkdown = require('markdown-it')({
|
|
html: true,
|
|
linkify: true,
|
|
typographer: true
|
|
})
|
|
|
|
|
|
/**
|
|
* Process data package attributes prior to display to users.
|
|
* Process markdown
|
|
* Convert bytes to human readable format
|
|
* etc.
|
|
**/
|
|
module.exports.processDataPackage = function (datapackage) {
|
|
const newDatapackage = JSON.parse(JSON.stringify(datapackage))
|
|
if (newDatapackage.description) {
|
|
newDatapackage.descriptionHtml = module.exports.processMarkdown
|
|
.render(newDatapackage.description)
|
|
}
|
|
|
|
if (newDatapackage.readme) {
|
|
newDatapackage.readmeHtml = module.exports.processMarkdown
|
|
.render(newDatapackage.readme)
|
|
}
|
|
|
|
newDatapackage.formats = newDatapackage.formats || []
|
|
// Per each resource:
|
|
newDatapackage.resources.forEach(resource => {
|
|
if (resource.description) {
|
|
resource.descriptionHtml = module.exports.processMarkdown
|
|
.render(resource.description)
|
|
}
|
|
// Normalize format (lowercase)
|
|
if (resource.format) {
|
|
resource.format = resource.format.toLowerCase()
|
|
newDatapackage.formats.push(resource.format)
|
|
}
|
|
|
|
// Convert bytes into human-readable format:
|
|
if (resource.size) {
|
|
resource.sizeFormatted = bytes(resource.size, {decimalPlaces: 0})
|
|
}
|
|
})
|
|
|
|
return newDatapackage
|
|
}
|
|
|
|
|
|
/**
|
|
* Create 'displayResources' property which has:
|
|
* resource: Object containing resource descriptor
|
|
* api: API URL for the resource if available, e.g., Datastore
|
|
* proxy: path via proxy for the resource if available
|
|
* cc_proxy: path via CKAN Classic proxy if available
|
|
* slug: slugified name of a resource
|
|
**/
|
|
module.exports.prepareResourcesForDisplay = function (datapackage) {
|
|
const newDatapackage = JSON.parse(JSON.stringify(datapackage))
|
|
newDatapackage.displayResources = []
|
|
newDatapackage.resources.forEach((resource, index) => {
|
|
const api = resource.datastore_active
|
|
? config.get('API_URL') + 'datastore_search?resource_id=' + resource.id + '&sort=_id asc'
|
|
: null
|
|
// Use proxy path if datastore/filestore proxies are given:
|
|
let proxy, cc_proxy
|
|
try {
|
|
const resourceUrl = new URL(resource.path)
|
|
if (resourceUrl.host === config.get('PROXY_DATASTORE') && resource.format !== 'pdf') {
|
|
proxy = '/proxy/datastore' + resourceUrl.pathname + resourceUrl.search
|
|
}
|
|
if (resourceUrl.host === config.get('PROXY_FILESTORE') && resource.format !== 'pdf') {
|
|
proxy = '/proxy/filestore' + resourceUrl.pathname + resourceUrl.search
|
|
}
|
|
// Store a CKAN Classic proxy path
|
|
// https://github.com/ckan/ckan/blob/master/ckanext/resourceproxy/plugin.py#L59
|
|
const apiUrlObject = new URL(config.get('API_URL'))
|
|
cc_proxy = apiUrlObject.origin + `/dataset/${datapackage.id}/resource/${resource.id}/proxy`
|
|
} catch (e) {
|
|
console.warn(e)
|
|
}
|
|
const displayResource = {
|
|
resource,
|
|
api, // URI for getting the resource via API, e.g., Datastore. Useful when you want to fetch only 100 rows or similar.
|
|
proxy, // alternative for path in case there is CORS issue
|
|
cc_proxy,
|
|
slug: slugify(resource.name) + '-' + index // Used for anchor links
|
|
}
|
|
newDatapackage.displayResources.push(displayResource)
|
|
})
|
|
return newDatapackage
|
|
}
|
|
|
|
|
|
/**
|
|
* Prepare 'views' property which is used by 'datapackage-views-js' library to
|
|
* render visualizations such as tables, graphs and maps.
|
|
**/
|
|
module.exports.prepareViews = function (datapackage) {
|
|
const newDatapackage = JSON.parse(JSON.stringify(datapackage))
|
|
newDatapackage.views = newDatapackage.views || []
|
|
newDatapackage.resources.forEach(resource => {
|
|
const resourceViews = resource.views && resource.views.map(view => {
|
|
view.resources = [resource.name]
|
|
return view
|
|
})
|
|
|
|
newDatapackage.views = newDatapackage.views.concat(resourceViews)
|
|
})
|
|
|
|
return newDatapackage
|
|
}
|
|
|
|
|
|
/**
|
|
* Create 'dataExplorers' property which is used by 'data-explorer' library to
|
|
* render data explorer widgets.
|
|
**/
|
|
module.exports.prepareDataExplorers = function (datapackage) {
|
|
const newDatapackage = JSON.parse(JSON.stringify(datapackage))
|
|
newDatapackage.displayResources.forEach((displayResource, idx) => {
|
|
newDatapackage.displayResources[idx].dataExplorers = []
|
|
displayResource.resource.views && displayResource.resource.views.forEach(view => {
|
|
const widgets = []
|
|
if (view.specType === 'dataExplorer') {
|
|
view.spec.widgets.forEach((widget, index) => {
|
|
const widgetNames = {
|
|
table: 'Table',
|
|
simple: 'Chart',
|
|
tabularmap: 'Map'
|
|
}
|
|
widget = {
|
|
name: widgetNames[widget.specType] || 'Widget-' + index,
|
|
active: index === 0 ? true : false,
|
|
datapackage: {
|
|
views: [
|
|
{
|
|
id: view.id,
|
|
specType: widget.specType
|
|
}
|
|
]
|
|
}
|
|
}
|
|
widgets.push(widget)
|
|
})
|
|
} else {
|
|
const widget = {
|
|
name: view.title || '',
|
|
active: true,
|
|
datapackage: {
|
|
views: [view]
|
|
}
|
|
}
|
|
widgets.push(widget)
|
|
}
|
|
|
|
displayResource.resource.api = displayResource.resource.api || displayResource.api
|
|
const dataExplorer = JSON.stringify({
|
|
widgets,
|
|
datapackage: {
|
|
resources: [displayResource.resource]
|
|
}
|
|
}).replace(/'/g, "'")
|
|
newDatapackage.displayResources[idx].dataExplorers.push(dataExplorer)
|
|
})
|
|
})
|
|
|
|
return newDatapackage
|
|
}
|