Elevator Saga Simple Algorithm ( < Challenge 6)

elevator-saga-simple

{
    init: function(elevators, floors) {

        var findElevator = function() {
            return _.find(elevators, function(e) { return e.loadFactor() < 0.5; });
        };
        
        var setupFloor = function(floor) {
            floor.on('up_button_pressed', function(floorNum) {
                console.log("UP: ", this.level);
                var e = findElevator();
                e && e.goToFloor(this.level);
            });
            floor.on('down_button_pressed', function(floorNum) {
                console.log("DOWN: ", this.level);
                var e = findElevator();
                e && e.goToFloor(this.level);
            });
        };
        
        var setupElevator = function(elevator) {
            elevator.on('floor_button_pressed', function(floorNum) {
                elevator.goToFloor(floorNum);
            });
            elevator.on('idle', function() {
            });
        };
        
        floors.forEach(setupFloor);
        elevators.forEach(setupElevator);
        
    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}