mozilla/webmaker.org

module.exports = function (req, res) {
  var MAX_REMIXES = 5;
  var make = require('../lib/makeapi').authenticated;

  function renderError(message) {
    return res.render('details.html', {
      error: message
    });
  }

  // Use a URL in the querystring or an ID
  var searchOptions = {},
    searchCriteria;
  if (req.query.id) {
    searchCriteria = 'id';
    searchOptions.id = req.query.id;
  } else if (req.query.url) {
    searchCriteria = 'url';
    searchOptions.url = decodeURIComponent(req.query.url);
  } else {
    return renderError('No URL or ID was passed');
  }

  make.setLang(req.localeInfo.momentLang);
  make.find(searchOptions).process(function (err, data) {
    if (err) {
      return renderError('Looks like there is a problem with the make API');
    }
    if (data && !data.length) {
      return renderError('No make was found :(');
    }
    var makeData = data[0];

    // Prep remixes, max of 10
    makeData.remixes(function (err, remixData, totalHits) {
      if (err) {
        return renderError('Looks like there is a problem with the make API');
      }
      makeData.remixList = [];

      for (var i = 0; i < Math.min(remixData.length, MAX_REMIXES); i++) {
        makeData.remixList.push({
          url: remixData[i].url,
          username: remixData[i].username
        });
      }

      if (totalHits === 1) {
        makeData.remixCount = '1 remix';
      } else {
        makeData.remixCount = totalHits + ' remixes';
      }

      if (req.session.user && makeData.reports && makeData.reports.length) {
        makeData.userReported = makeData.reports.some(function (report) {
          return report.userId === +req.session.user.id;
        });
      }

      // Prep original source
      if (makeData.remixedFrom) {
        make[searchCriteria](makeData.remixedFrom).then(function (err, remixedFromData) {
          if (err) {
            return renderError('Looks like there is a problem with the make API');
          }

          if (remixedFromData && remixedFromData.length) {
            makeData.remixedFromData = {};
            makeData.remixedFromData.url = remixedFromData[0].url;
            makeData.remixedFromData.username = remixedFromData[0].username;
          }
          res.render('details.html', makeData);
        });
      } else {
        res.render('details.html', makeData);
      }
    });
  }, req.session.user ? req.session.user.id : '');
};