Function getPredictionWeather

services/cptec/weather.js:135–185

(cityCode, days)

 * @returns {object}
 */
export const getPredictionWeather = async (cityCode, days) => {
  const baseUrl = `${CPTEC_URL}/cidade/`;
  let url = baseUrl;
  if (days <= 4) {
    url += `${cityCode}/previsao.xml`;
  } else {
    url += `7dias/${cityCode}/previsao.xml`;
  }

  const weatherPredictions = await axios.get(url, {
    responseType: 'application/xml',
    responseEncoding: 'binary',
  });

  const parsed = parser.parse(weatherPredictions.data);

  if (parsed.cidade) {
    const jsonData = formatPrediction(parsed);
    if (jsonData.cidade === 'null') {
      return null;
    }

    // If number of days requested was greater than 7, load extended data from service
    // Disabled by inconsistences on CPTEC endpoints
    /* if (days > 7) {
      const extendedPredictions = await axios.get(
        `${baseUrl + cityCode}/estendida.xml`,
        {
          responseType: 'application/xml',
          responseEncoding: 'binary',
        }
      );

      const extendedJsonData = parser.parse(extendedPredictions.data);
      if (extendedJsonData.cidade) {
        jsonData.clima = [
          ...jsonData.clima,
          ...formatPrediction(extendedJsonData).clima,
        ];
      }
    } */

    // IF total data greater than requested number of days, slice array into correct size
    if (jsonData.clima.length > days) {
      jsonData.clima = jsonData.clima.slice(0, days);
    }

    return jsonData;
  }
  return [];
};