Javascript for creating a Halo Infinite statistics endpoint on autocode.com

autocode-halo-infinite-stats.js

// Return Halo Infinite stats for a gamertag as a json string
// instructions for creating your own endpoint at https://docs.autocode.com/getting-started/creating-your-first-project/creating-an-endpoint/

const lib = require('lib')({token: process.env.STDLIB_SECRET_TOKEN});

module.exports = async (context) => {
  const gamertag = context.params.gamertag;
  // if no gamertag is passed return an error
  if (!gamertag) {
    return {
      headers: {'Content-Type': 'text/html'},
      statusCode: 400,
      body: 'gamertag required',
    };
  }

  var stats = context.params.stats;
  // if no stats parameter supplied, assume multiplayer service record
  if (!stats) {
    var stats = 'service-record.multiplayer';
  }
  const stats_array = [
    'appearance',
    'csrs',
    'matches.list',
    'matches.retrieve',
    'service-record.multiplayer',
    'service-record.campaign',
  ];
  // if it's not an allowed stats parameter
  if (!stats_array.includes(stats)) {
    return {
      headers: {'Content-Type': 'text/html'},
      statusCode: 400,
      body: 'stats must be one of: ' + stats_array,
    };
  }

  try {
    switch (stats) {
      case 'appearance':
        var result = await lib.halo.infinite['@0.3.3'].appearance({
          gamertag: gamertag,
        });
        break;
      case 'csrs':
        if (context.params.season) {
          var result = await lib.halo.infinite['@0.3.3'].stats.csrs({
            gamertag: gamertag,
            season: context.params.season,
          });
        } else {
          var result = await lib.halo.infinite['@0.3.3'].stats.csrs({
            gamertag: gamertag,
          });
        }
        break;
      case 'matches.list':
        if (context.params.mode) {
          var result = await lib.halo.infinite['@0.3.3'].stats.matches.list({
            gamertag: gamertag,
            mode: context.params.mode,
          });
        } else {
          var result = await lib.halo.infinite['@0.3.3'].stats.matches.list({
            gamertag: gamertag,
          });
        }
        break;
      case 'matches.retrieve':
        if (context.params.matchid) {
          var result = await lib.halo.infinite['@0.3.3'].stats.matches.retrieve(
            context.params.id
          );
        } else {
          var result = {error: 'specify id of match'};
        }
        break;
      case 'service-record.campaign':
        var result = await lib.halo.infinite['@0.3.3'].stats[
          'service-record'
        ].campaign({gamertag: gamertag});
        break;
      case 'service-record.multiplayer':
        if (context.params.filter) {
          var result = await lib.halo.infinite['@0.3.3'].stats[
            'service-record'
          ].multiplayer({gamertag: gamertag, filter: context.params.filter});
        } else {
          var result = await lib.halo.infinite['@0.3.3'].stats[
            'service-record'
          ].multiplayer({gamertag: gamertag});
        }
        break;
    }

    return {
      headers: {'Content-Type': 'application/json'},
      statusCode: 200,
      body: JSON.stringify(result),
    };
  } catch (e) {
    return {
      headers: {'Content-Type': 'text/html'},
      statusCode: 500,
      body: `Unable to access Halo statistics: ${e.message}`,
    };
  }
};