list surf sessions

index.js

exports.listLogs = function(req, res) {
  SurfSession.find()
    .populate('location')
    .run(function(err, log) {
      Wave.find(function(err, waves) {
        var surfHeight = SurfSession.schema.path('surfHeight').enumValues;
        var surfConditions = SurfSession.schema.path('surfConditions').enumValues;
        var surfStoke = new SurfSession().generateStoke();
        var currentYear = moment().year();
        var surfSessionsThisYear = 0;
        var surfSeshByLoc = {};

        waves.forEach(function(w) {
          var wave = {
            "name": w.name,
            "count": 0
          };
          surfSeshByLoc[w.name] = 0;
        });

        // find number of sessions for current year
        // and build map of sessions by wave
        for(var i = 0; i < log.length; i++) {
          var y = moment(log[i].timestamp).year();
          if(y === currentYear) {
            surfSessionsThisYear++;
          }
          for(var key in surfSeshByLoc) {
            if(surfSeshByLoc.hasOwnProperty(key)) {
              if(key === log[i].location.name) {
                surfSeshByLoc[key] = surfSeshByLoc[key] + 1;
              }
            }
          }
        }
        res.render('list_sessions.html', {
          title: 'Latest Surf Sessions',
          log: log,
          waves: waves,
          surfSessionsThisYear: surfSessionsThisYear,
          allSurfSessions: log.length,
          surfHeight: surfHeight,
          surfConditions: surfConditions,
          surfStoke: surfStoke
        });
      });
    });
};