getFoodMiddleware.js

const path = require('path');
const fetch = (...args) => import('node-fetch').then(({default: fetch}) => fetch(...args));

const foodController = {};


foodController.getProduct = async (req, res, next) => {
  
    const searchTerm = req.body.searchTerm;
    const url = `https://world.openfoodfacts.org/cgi/search.pl?search_terms=${searchTerm}&search_simple=1&action=process&json=1`;

    try {
        const response = await fetch(url, {
            method: 'GET',
            headers: {
                Accept: 'application/json',
                'Content-Type': 'application/json',
                //   UserAgent: userAgent
            }
        });
        const product = await response.json();
        // console.log('this is the products page', product)
        //   res.locals.searchResults = product;
        //     const { energy-kcal_100g, sodium_100g, fat_100g, saturated - fat_100g, fiber_100g, proteins_100g, sugars_100g
        // } = product.product[0].nutriments;
        let i = 0;
        let resultsArray = [];
        while (i < 5) {
            // foodArray = Object.keys(foodObj);
            // for (let item in foodArray) {
            //     res.locals.product[i][item] = foodObj[item]

          const { 
            sodium_100g,
            fat_100g,
            fiber_100g,
            proteins_100g,
            sugars_100g
          } = product.products[i].nutriments;
          const energy_kcal_100g  = product.products[i].nutriments['energy-kcal_100g'];
          const saturated_fat_100g = product.products[i].nutriments['saturated-fat_100g'];
          const calAndFatObj = { energy_kcal_100g: energy_kcal_100g, saturated_fat_100g: saturated_fat_100g}
          const { product_name } = product.products[i].product_name;
          const { image_url } = product.products[i].image_url;


            const foodObj = Object.assign({ 
              ...calAndFatObj,
            sodium_100g,
            fat_100g,
            fiber_100g,
            proteins_100g,
            sugars_100g
          }, {energy_kcal_100g}, { saturated_fat_100g }, { product_name }, { image_url });

        // const {kcal, energy-kcal_100g} = product.product[i].nutriments

  

          resultsArray.push(foodObj);
          i++
        };
    res.locals.searchResults = resultsArray;

    console.log(resultsArray);
    //   console.log('This is the res.locals', res.locals.searchResults)
    // if (product.status === 0) {
    //     return null;
    // }
    return next();
} catch (error) {
      console.error(error);
      return null;
  }
}

module.exports = foodController;

/*
"energy-kcal_100g": 180,
    "sodium_100g": 0.16,
"carbohydrates_100g": 26.9,
"fat_100g": 7,
"saturated-fat_100g": 0.8,
"fiber_100g": 2.3,
 "proteins_100g": 2.3,
  "sugars_100g": 0.2,

*/