@opengis/fastify-table/server/plugins/grpc/file2json.js

core-plugins

import path from 'node:path';

import downloadFile from '../file/downloadFile.js';

import getGRPC from './grpc.js';

const grpc = getGRPC();

const file2json = async ({
  buffer: buffer1, ext: ext1, filepath, encoding: encoding1 = 'UTF-8', debug,
}) => {
  if (!filepath && !(buffer1?.length && ext1)) return null;

  const ext = ext1 || path.extname(filepath);

  const encoding = { CP1251: 'windows-1251' }[encoding1] || encoding1;
  const buffer = buffer1 || await downloadFile(filepath, { provider: 'fs', buffer: true, debug }) || '{}';

  if (debug) return { filepath, buffer };

  if (['.xls', '.xlsx'].includes(ext)) {
    const { result } = await grpc.excelToJson({ base64: buffer.toString('base64'), type: 'xls' });
    const json = typeof result === 'object' ? result : JSON.parse(result || {});
    return json;
  }

  if (['.csv', '.txt'].includes(ext)) {
    const { result } = await grpc.excelToJson({ base64: buffer.toString('base64'), type: 'csv', encoding });
    const json = typeof result === 'object' ? result : JSON.parse(result || {});
    return json;
  }

  if (['.zip'].includes(ext)) {
    const { result } = await grpc.shpToGeojson({
      base64: buffer.toString('base64'), encoding,
    });
    const json = typeof result === 'object' ? result : JSON.parse(result);
    return json;
  }

  if (['.xml'].includes(ext)) {
    const { result } = await grpc.xmlToJson({ xml: buffer.toString('utf-8') });
    const json = typeof result === 'object' ? result : JSON.parse(result);
    return json;
  }

  if (['.geojson', '.json'].includes(ext)) {
    return JSON.parse(buffer.toString('utf-8'));
  }

  return filepath.replace(/"/g, '');
};

export default file2json;