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Merge pull request #128 from etalab/merge-epci-geojson-v2
Merge epci geojson v2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| /* eslint unicorn/no-process-exit: off */ | ||
| import process from 'node:process' | ||
| import {join} from 'node:path' | ||
| import {createRequire} from 'node:module' | ||
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|
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| import {pathExists} from 'fs-extra' | ||
| import bluebird from 'bluebird' | ||
| import {ensureDirectoryExists} from '../util/fs.js' | ||
| import {mergeGeoJSONFiles} from '../merge/index.js' | ||
| import {getGeoJSONPath} from '../dist/simple.js' | ||
| import {Tree, FORMATS} from '../dist/pci.js' | ||
| import {WritableZipFile} from '../util/zip.js' | ||
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| const require = createRequire(import.meta.url) | ||
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| const epci = require('@etalab/decoupage-administratif/data/epci.json') | ||
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| // eslint-disable-next-line unicorn/no-array-reduce | ||
| const epciCommunesMembers = epci.reduce((acc, curr) => { | ||
| acc[curr.code] = curr.membres.map(membre => membre.code) | ||
| return acc | ||
| }, {}) | ||
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| // eslint-disable-next-line unicorn/no-array-callback-reference | ||
| const asyncFilter = async (array, predicate) => Promise.all(array.map(predicate)).then(results => array.filter((_v, index) => results[index])) | ||
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| const GEOJSON_LAYERS = [ | ||
| 'batiments', | ||
| 'parcelles', | ||
| 'feuilles', | ||
| 'sections', | ||
| 'communes', | ||
| 'lieux_dits', | ||
| 'subdivisions_fiscales', | ||
| 'prefixes_sections', | ||
| ] | ||
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| const GEOJSON_RAW_LAYERS = [ | ||
| 'commune', | ||
| 'section', | ||
| 'subdsect', | ||
| 'parcelle', | ||
| 'subdfisc', | ||
| 'charge', | ||
| 'voiep', | ||
| 'tronfluv', | ||
| 'ptcanv', | ||
| 'batiment', | ||
| 'zoncommuni', | ||
| 'numvoie', | ||
| 'tronroute', | ||
| 'borne', | ||
| 'croix', | ||
| 'boulon', | ||
| 'symblim', | ||
| 'lieudit', | ||
| 'tpoint', | ||
| 'tline', | ||
| 'tsurf', | ||
| 'label', | ||
| ] | ||
|
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| async function handler(workDir, from) { | ||
| if (from === 'etalab') { | ||
| await Promise.all(Object.entries(epciCommunesMembers).map(async ([epci, communes]) => { | ||
| console.log(' merging epci %s', epci) | ||
| console.time(' merged epci ' + epci) | ||
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| await Promise.all(GEOJSON_LAYERS.map(async layer => { | ||
| const files = communes.map(commune => { | ||
| const departement = `${commune.startsWith('97') ? commune.slice(0, 3) : commune.slice(0, 2)}` | ||
| return join(getGeoJSONPath(workDir), 'communes', departement, `${commune}`, `cadastre-${commune}-${layer}.json.gz`) | ||
| }) | ||
| const filteredFiles = await asyncFilter(files, pathExists) | ||
| const targetDir = join(getGeoJSONPath(workDir), 'epci', epci) | ||
| await ensureDirectoryExists(targetDir) | ||
| const targetPath = join(getGeoJSONPath(workDir), 'epci', epci, `epci-${epci}-${layer}.json.gz`) | ||
| await mergeGeoJSONFiles({srcFiles: filteredFiles, destPath: targetPath}) | ||
| console.log(` ${epci} | merged ${layer}`) | ||
| })) | ||
|
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| console.timeEnd(' merged epci ' + epci) | ||
| })) | ||
|
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| await Promise.all(Object.entries(epciCommunesMembers).map(async ([epci, communes]) => { | ||
| console.log(' [raw] merging epci %s', epci) | ||
| console.time(' [raw] merged epci ' + epci) | ||
|
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| await Promise.all(GEOJSON_RAW_LAYERS.map(async layer => { | ||
| const files = communes.map(commune => { | ||
| const departement = `${commune.startsWith('97') ? commune.slice(0, 3) : commune.slice(0, 2)}` | ||
| return join(getGeoJSONPath(workDir), 'communes', departement, `${commune}`, 'raw', `cadastre-${commune}-${layer}.json.gz`) | ||
| }) | ||
| const filteredFiles = await asyncFilter(files, pathExists) | ||
| const targetDir = join(getGeoJSONPath(workDir), 'epci', epci, 'raw') | ||
| await ensureDirectoryExists(targetDir) | ||
| const targetPath = join(getGeoJSONPath(workDir), 'epci', epci, 'raw', `epci-${epci}-${layer}.json.gz`) | ||
| await mergeGeoJSONFiles({srcFiles: filteredFiles, destPath: targetPath}) | ||
| console.log(` ${epci} | merged ${layer}`) | ||
| })) | ||
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| console.timeEnd(' [raw] merged epci ' + epci) | ||
| })) | ||
| } | ||
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| if (from === 'pci') { | ||
| await bluebird.map(Object.entries(epciCommunesMembers), async ([epci, communes]) => { | ||
| await Promise.all(FORMATS.filter(formatInfos => formatInfos.name !== 'tiff').map(formatInfos => formatInfos.name).map(async format => { | ||
| console.log(' merging epci %s format %s', epci, format) | ||
| console.time(` merging epci ${epci} files ${format}`) | ||
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| const tree = new Tree(workDir, 'dgfip-pci-vecteur', format) | ||
| const filteredCommunes = await asyncFilter(communes, async commune => { | ||
| const departement = `${commune.startsWith('97') ? commune.slice(0, 3) : commune.slice(0, 2)}` | ||
| return pathExists(`${tree.getFeuillesBasePath()}/${departement}/${commune}`) | ||
| }) | ||
| const feuillesCommunes = await Promise.all(filteredCommunes.map(async codeCommune => ({ | ||
| code: codeCommune, | ||
| feuilles: await tree.listFeuillesByCommune(codeCommune), | ||
| }))) | ||
| // eslint-disable-next-line unicorn/no-array-reduce | ||
| const filesToZip = feuillesCommunes.reduce((acc, feuillesCommune) => { | ||
| acc = [...acc, ...feuillesCommune.feuilles.map(feuille => { | ||
| const dest = `${tree.getFeuillePathInArchive(feuille)}` | ||
| return [tree.getFeuillePath(feuille), dest] | ||
| })] | ||
| return acc | ||
| }, []) | ||
| const targetDir = `${tree.treeBasePath}/epci/` | ||
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| const destArchive = new WritableZipFile(`${targetDir}/cadastre-${epci}-${format}.zip`) | ||
| await bluebird.map(filesToZip, async fileInfos => { | ||
| const [file, dest] = fileInfos | ||
| destArchive.addFile(file, dest, {compress: false}) | ||
| }, {concurrency: 4}) | ||
| await destArchive.end() | ||
| console.log('end zip') | ||
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| console.timeEnd(` merging epci ${epci} files ${format}`) | ||
| })) | ||
| }, {concurrency: 4}) | ||
| } | ||
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| console.log('Finished!') | ||
|
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| process.exit(0) | ||
| } | ||
|
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| export default handler |
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