Files
pacnpal e4e36c7899 Add migrations for ParkPhoto and RidePhoto models with associated events
- Created ParkPhoto and ParkPhotoEvent models in the parks app, including fields for image, caption, alt text, and relationships to the Park model.
- Implemented triggers for insert and update operations on ParkPhoto to log changes in ParkPhotoEvent.
- Created RidePhoto and RidePhotoEvent models in the rides app, with similar structure and functionality as ParkPhoto.
- Added fields for photo type in RidePhoto and implemented corresponding triggers for logging changes.
- Established necessary indexes and unique constraints for both models to ensure data integrity and optimize queries.
2025-08-26 14:40:46 -04:00

77 lines
2.7 KiB
Python

from django.db import models
from django.db.models import functions
from django.core.validators import MinValueValidator, MaxValueValidator
from apps.core.history import TrackedModel
import pghistory
@pghistory.track()
class ParkReview(TrackedModel):
# Import managers
from ..managers import ParkReviewManager
objects = ParkReviewManager()
"""
A review of a park.
"""
park = models.ForeignKey(
"parks.Park", on_delete=models.CASCADE, related_name="reviews"
)
user = models.ForeignKey(
"accounts.User", on_delete=models.CASCADE, related_name="park_reviews"
)
rating = models.PositiveSmallIntegerField(
validators=[MinValueValidator(1), MaxValueValidator(10)]
)
title = models.CharField(max_length=200)
content = models.TextField()
visit_date = models.DateField()
# Metadata
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
# Moderation
is_published = models.BooleanField(default=True)
moderation_notes = models.TextField(blank=True)
moderated_by = models.ForeignKey(
"accounts.User",
on_delete=models.SET_NULL,
null=True,
blank=True,
related_name="moderated_park_reviews",
)
moderated_at = models.DateTimeField(null=True, blank=True)
class Meta:
ordering = ["-created_at"]
unique_together = ["park", "user"]
constraints = [
# Business rule: Rating must be between 1 and 10 (database level
# enforcement)
models.CheckConstraint(
name="park_review_rating_range",
check=models.Q(rating__gte=1) & models.Q(rating__lte=10),
violation_error_message="Rating must be between 1 and 10",
),
# Business rule: Visit date cannot be in the future
models.CheckConstraint(
name="park_review_visit_date_not_future",
check=models.Q(visit_date__lte=functions.Now()),
violation_error_message="Visit date cannot be in the future",
),
# Business rule: If moderated, must have moderator and timestamp
models.CheckConstraint(
name="park_review_moderation_consistency",
check=models.Q(moderated_by__isnull=True, moderated_at__isnull=True)
| models.Q(moderated_by__isnull=False, moderated_at__isnull=False),
violation_error_message=(
"Moderated reviews must have both moderator and moderation "
"timestamp"
),
),
]
def __str__(self):
return f"Review of {self.park.name} by {self.user.username}"