From 269795202dd62412f11561959535d0f404a66d7f Mon Sep 17 00:00:00 2001 From: DjBushido Date: Mon, 14 Oct 2013 13:56:54 -0400 Subject: [PATCH] Add some more skeleton to the Parking system Does contain some *basic* implementation --- uncc_gameday/gameday/models.py | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/uncc_gameday/gameday/models.py b/uncc_gameday/gameday/models.py index 0a70fe8..3357d19 100755 --- a/uncc_gameday/gameday/models.py +++ b/uncc_gameday/gameday/models.py @@ -48,6 +48,23 @@ class ParkingLot(models.Model): location = models.CharField(choices=LOT_CHOICES, unique=True, primary_key=True) # parkingrating_set + + @property + def current_ratings(self): + # Return a QuerySet containing only valid ParkingRatings + # (those ratings that aren't from a previous gameday) + return self.parkingrating_set.all() + + def get_rating(self): + # Get the current rating of this parking lot + NUM_LOTS = 10 + if self.current_ratings.count() < NUM_LOTS: + # Probably raise an exception here, not enough responses yet + pass + else: + total = sum([ ParkingRating.RATING_WEIGHTS[r.rating] + for r in self.parkingrating_set.all().order_by('created')[0:10] ]) + return total / NUM_LOTS class ParkingRating(models.Model): @@ -61,7 +78,13 @@ class ParkingRating(models.Model): (RATING_BUSY, 'Busy'), (RATING_FULL, 'Full'), ) + RATING_WEIGHTS = { + RATING_EMPTY: 0, + RATING_SCATTERED: 33, + RATING_BUSY: 66, + RATING_FULL: 100, + } rating = models.CharField(max_length=10, choices=RATING_CHOICES) created = models.DateTimeField(default=datetime.datetime.now) - parking_lot = models.ForeignKey(ParkingLot) \ No newline at end of file + parking_lot = models.ForeignKey(ParkingLot)