thegamesdb/lib/reducers.js

TheGamesDB.net API wrapper

'use strict';

module.exports = function (metadata) {

  var similarGamesList = function similarGamesList(similar) {
    return similar.Game.map(function (game) {
      return {
        id: parseInt(game.id[0]),
        platformId: parseInt(game.PlatformId[0])
      };
    });
  };

  /* ************************************************************** *
   * Images and image lists reducers
   * ************************************************************** */

  var originalImages = function originalImages(type, images) {
    return images.map(function (image) {
      return Object.assign({ type: type },
      // URL
      { url: image._ ? metadata.staticUrl + '/' + image._ : metadata.staticUrl + '/' + image
      },
      // Image attributes
      image['$'] ? Object.assign({}, image['$'].width ? { width: parseInt(image['$'].width) } : null, image['$'].height ? { height: parseInt(image['$'].height) } : null, image['$'].side ? { side: image['$'].side } : null) : null);
    });
  };

  var userImages = function userImages(type, images) {
    return images.map(function (image) {
      return Object.assign({ type: type }, image.original ? originalImages(type, image.original)[0] : null, image.thumb ? { thumb: metadata.staticUrl + '/' + image.thumb[0] } : null);
    });
  };

  var imagesList = function imagesList(images) {
    return Object.keys(images).map(function (type) {
      if (type !== 'fanart' && type !== 'screenshot') {
        return originalImages(type, images[type]);
      } else {
        return userImages(type, images[type]);
      }
    }).reduce(function (images, acc) {
      return acc.concat(images);
    });
  };

  /* ************************************************************** *
   * Games and game lists reducers
   * ************************************************************** */

  var gameDetail = function gameDetail(game) {
    return Object.assign(metadata.gameDetail.reduce(function (g, field) {
      if (game[field.name]) {
        var value = field.parser ? field.parser(game[field.name][0]) : game[field.name][0];
        field.rename ? g[field.rename] = value : g[field.name] = value;
      }
      return g;
    }, {}), game.Similar ? { similar: similarGamesList(game.Similar[0]) } : null, game.Images ? { images: imagesList(game.Images[0]) } : null);
  };

  var gameList = function gameList(games) {
    return games.map(function (game) {
      return metadata.gameList.reduce(function (g, field) {
        if (game[field.name]) {
          var value = field.parser ? field.parser(game[field.name][0]) : game[field.name][0];
          field.rename ? g[field.rename] = value : g[field.name] = value;
        }
        return g;
      }, {});
    });
  };

  var gameArtList = function gameArtList(images) {
    return images.length ? imagesList(images[0]) : [];
  };

  /* ************************************************************** *
   * Platforms and platform lists reducers
   * ************************************************************** */

  var platformDetail = function platformDetail(platform) {
    return Object.assign(metadata.platformDetail.reduce(function (p, field) {
      if (platform[field.name]) {
        var value = field.parser ? field.parser(platform[field.name][0]) : platform[field.name][0];
        field.rename ? p[field.rename] = value : p[field.name] = value;
      }
      return p;
    }, {}), platform.Images ? { images: imagesList(platform.Images[0]) } : null);
  };

  var platformList = function platformList(platforms) {
    return platforms.map(function (platform) {
      return metadata.platformList.reduce(function (p, field) {
        if (platform[field.name]) {
          var value = field.parser ? field.parser(platform[field.name][0]) : platform[field.name][0];
          field.rename ? p[field.rename] = value : p[field.name] = value;
        }
        return p;
      }, {});
    });
  };

  return {
    similarGamesList: similarGamesList,
    imagesList: imagesList,
    gameDetail: gameDetail,
    gameList: gameList,
    gameArtList: gameArtList,
    platformDetail: platformDetail,
    platformList: platformList
  };
};