MovieSelection.js

function SelectMovie(movies, avail, movieprefs) {
  var dateData = new Array();
  var lenPeople = avail[0].length;
  if (lenPeople != movieprefs[0].length) {
    return "Error; length mismatch 1";
  }
  if (movies.length != movieprefs.length) {
    return "Error; length mismatch 2";
  }
  for(var ai = 0; ai < avail.length; ai++) {
    var calcLine = new Array();
    for (var mi = 0; mi < movies.length; mi++) {
      var heuristic = 0;
      var consideredPeople = 0;
      for (var pi = 0; pi < movieprefs[mi].length && pi < avail[ai].length; pi++) {
        var code = movieprefs[mi][pi] + ':' + avail[ai][pi];
        switch (code) {
          case ":": heuristic += 0; consideredPeople += 0; break; // Not coming, not interested - no data. Neural.
          case ":?": heuristic += 0.5; consideredPeople += 1; break; // Might come, not interested - no data. Neural.
          case "?:?": heuristic += 0.5; consideredPeople += 1; break; // Might come, Might like - no data. Neural. - Who gives a fuck about these people.
          case "y:": heuristic += 0.1; consideredPeople += 1; break; // Interested but can't make it - want to ensure that people get to see the movies they want
          case "n:": heuristic += 0.55; consideredPeople += 1; break; // NOT Interested but can't make it - Positive!
          case "n:?": heuristic += 0.40; consideredPeople += 1; break; // NOT Interested but might make it - This one is tricky a risk.
          case "n:y": heuristic += -0.5; consideredPeople += 1; break; // NOT Interested but can make it - want to ensure that people get to see the movies they want
          case ":y": heuristic += 0.25; consideredPeople += 1; break; // Can make it but not interested - they haven't said the DON'T want to see just they aren't interested
          case "y:y": heuristic += 1.0; consideredPeople += 1; break; // Interested and can make it - best result
          case "y:?": heuristic += 0.35; consideredPeople += 1; break; // Maybe can make it but interested - meh.
          case "?:y": heuristic += 0.75; consideredPeople += 1; break; // maybe watch the movie but can make it - second best
          default:
            heuristic += 0.5;
            Logger.log("Mismatched somewhere some how: " + code);
        }
      }
      if (consideredPeople == 0) {
        consideredPeople = 1; 
      }
      var calcCell = new Array(movies[mi][0], heuristic / consideredPeople);
      calcLine.push(calcCell);
    }
    calcLine.sort(function (i1,i2) { return i2[1] - i1[1]; });
    dateData.push(calcLine);
  }
  var result = new Array();
  var watched = new Object();
  for (var day = 0; day < dateData.length; day++) {
    var movie = "NO MOVIE!";
    var weight = "!!!";
    for (var mi = 0; mi < dateData[day].length; mi++) {
      var m = dateData[day][mi][0];
      if (watched[m]) {
        continue;
      }
      var w = dateData[day][mi][1];
      if (w < 0.5) {
        break;
      }
      movie = m;
      weight = w;
      watched[m] = new Array(true, m, day);
      break;
    }
    result.push(new Array(movie, weight));
  }
  return result;
}