class RecommandationHistory(models.Model):

    user = models.ForeignKey(User, null=True)
    time = models.DateTimeField(auto_now_add=True)

    location_types = models.ManyToManyField(LocationType)
    cuisines = models.ManyToManyField(Cuisine)

    location_lat = models.FloatField()
    location_lon = models.FloatField()
    radius = models.FloatField()

    def __unicode__(self):
        return "[{}, {}, {}, {}]".format(unicode(self.user), unicode(self.time), str(location_types), str(cuisines))