ggbgg/src/preprocessor.js

package to collect data from boardgamegeek

const parser = require('fast-xml-parser');
const he = require('he');

const preprocessor = {
  game(obj) {
    if (typeof obj === 'undefined') return null;
    const keyValues = ['yearpublished', 'minplayers', 'maxplayers', 'playingtime', 'minplaytime',
      'maxplaytime', 'minage'];
    const processed = preprocessor.valuesToProperties(obj, keyValues);
    processed.title = (Array.isArray(processed.name)) ? processed.name[0].value : processed.name.value;
    return processed;
  },
  user(obj) {
    if (obj.id === '') return null;
    const keyValues = ['firstname', 'lastname', 'avatarlink', 'yearregistered', 'firstname',
      'lastlogin', 'stateorprovince', 'country', 'webaddress', 'xboxaccount', 'wiiaccount',
      'psnaccount', 'battlenetaccount', 'steamaccount', 'traderating', 'marketrating'];
    const processed = preprocessor.valuesToProperties(obj, keyValues);
    return processed;
  },
  collection(obj) {
    const preprocessed = obj.map((item) => {
      const newItem = item;
      newItem.title = item.name['#text'];
      newItem.name = undefined;
      Object.keys(item.status).forEach((key) => {
        newItem[key] = item.status[key];
      });
      newItem.status = undefined;
      return newItem;
    });
    return preprocessed;
  },
  parseXML(data) {
    const options = {
      attributeNamePrefix: '',
      ignoreAttributes: false,
      parseAttributeValue: true,
      attrValueProcessor: a => he.decode(a, { isAttributeValue: true }),
    };
    const obj = parser.parse(data, options);
    return obj;
  },
  valuesToProperties(obj, keys) {
    const processed = obj;
    keys.forEach((x) => {
      if (typeof processed[x] !== 'undefined') processed[x] = processed[x].value;
    });
    return processed;
  },
};

module.exports = preprocessor;