@opengis/fastify-table/server/routes/grpc/controllers/file2geojson.js

core-plugins

import path from 'node:path';

import { config, logger, pgClients } from '../../../../utils.js';

import file2json from '../../../plugins/grpc/file2json.js';

export default async function file2geojson({ pg = pgClients.client, body = {} }, reply) {
  const { file, srid, debug } = body;

  if (!file || !srid) {
    return reply.status(400).send('params file and srid are required');
  }

  const ext = path.extname(file);

  if (!(['.zip', '.gdb', '.gpkg', '.geojson'].includes(ext))) {
    return reply.status(400).send('Невірний формат файлів');
  }

  const filepath = path.join(config.folder || '', file);

  try {
    const JsonData = await file2json({ filepath, debug });

    if (debug) return JsonData;

    // if (JsonData?.features?.length > 1) return { error: 'too many features', status: 400 };
    if (!JsonData?.features?.length && JsonData?.type?.toLowerCase() !== 'feature') {
      return reply.status(400).send('invalid file content');
    }

    const JsonArr = JsonData?.features ? JsonData : { type: 'FeatureCollection', features: [JsonData] };

    const { rows = [] } = await pg.query(`
        select 
        features->>'type' as type,
        features->'properties' as properties,
        st_asgeojson(st_transform(st_setsrid(st_geomfromgeojson(features->>'geometry'),$2),4326))::json as geometry        
        from (
        select d->>'type' as type,d->>'name' as name,json_array_elements(d->'features') as features 
        from (
            select  json_array_elements(case when json_typeof(d)='array' then d else json_build_array(d) end)d
            from (
            select ($1)::json as d
            )q
        )q
    )q`, [JSON.stringify(JsonArr).replace(/'/g, '\'\''), srid]);

    return reply.status(200).send([{ features: [rows.slice(0, 1)] }]);
  }
  catch (err) {
    if (err?.detail?.includes('Infinity')) {
      return { error: 'invalid geometry. Check input SRID', status: 400 };
    }
    logger.file('grpc/file2json', {
      error: err.toString(), stack: err.stack, file, srid,
    });
    return reply.status(500).send(err.toString());
  }
}