mirror of
https://github.com/pacnpal/thrillwiki_django_no_react.git
synced 2025-12-20 11:31:07 -05:00
115 lines
4.4 KiB
Python
115 lines
4.4 KiB
Python
from typing import Any, Optional, Union, cast
|
|
from django.db import models
|
|
from django.contrib.contenttypes.fields import GenericForeignKey
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.utils.text import slugify
|
|
from django.conf import settings
|
|
import os
|
|
from PIL import Image, ExifTags
|
|
from PIL.ExifTags import TAGS
|
|
from datetime import datetime
|
|
from .storage import MediaStorage
|
|
from rides.models import Ride
|
|
from django.utils import timezone
|
|
from history_tracking.models import TrackedModel
|
|
import pghistory
|
|
|
|
def photo_upload_path(instance: models.Model, filename: str) -> str:
|
|
"""Generate upload path for photos using normalized filenames"""
|
|
# Get the content type and object
|
|
photo = cast(Photo, instance)
|
|
content_type = photo.content_type.model
|
|
obj = photo.content_object
|
|
|
|
if obj is None:
|
|
raise ValueError("Content object cannot be None")
|
|
|
|
# Get object identifier (slug or id)
|
|
identifier = getattr(obj, 'slug', None)
|
|
if identifier is None:
|
|
identifier = obj.pk # Use pk instead of id as it's guaranteed to exist
|
|
|
|
# Create normalized filename - always use .jpg extension
|
|
base_filename = f"{identifier}.jpg"
|
|
|
|
# If it's a ride photo, store it under the park's directory
|
|
if content_type == 'ride':
|
|
ride = cast(Ride, obj)
|
|
return f"park/{ride.park.slug}/{identifier}/{base_filename}"
|
|
|
|
# For park photos, store directly in park directory
|
|
return f"park/{identifier}/{base_filename}"
|
|
|
|
@pghistory.track()
|
|
class Photo(TrackedModel):
|
|
"""Generic photo model that can be attached to any model"""
|
|
image = models.ImageField(
|
|
upload_to=photo_upload_path, # type: ignore[arg-type]
|
|
max_length=255,
|
|
storage=MediaStorage()
|
|
)
|
|
caption = models.CharField(max_length=255, blank=True)
|
|
alt_text = models.CharField(max_length=255, blank=True)
|
|
is_primary = models.BooleanField(default=False)
|
|
is_approved = models.BooleanField(default=False) # New field for approval status
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
date_taken = models.DateTimeField(null=True, blank=True)
|
|
uploaded_by = models.ForeignKey(
|
|
settings.AUTH_USER_MODEL,
|
|
on_delete=models.SET_NULL,
|
|
null=True,
|
|
related_name='uploaded_photos'
|
|
)
|
|
|
|
# Generic foreign key fields
|
|
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
|
|
object_id = models.PositiveIntegerField()
|
|
content_object = GenericForeignKey('content_type', 'object_id')
|
|
|
|
class Meta:
|
|
ordering = ['-is_primary', '-created_at']
|
|
indexes = [
|
|
models.Index(fields=['content_type', 'object_id']),
|
|
]
|
|
|
|
def __str__(self) -> str:
|
|
return f"{self.content_type} - {self.content_object} - {self.caption or 'No caption'}"
|
|
|
|
def extract_exif_date(self) -> Optional[datetime]:
|
|
"""Extract the date taken from image EXIF data"""
|
|
try:
|
|
with Image.open(self.image) as img:
|
|
exif = img.getexif()
|
|
if exif:
|
|
# Find the DateTime tag ID
|
|
for tag_id in ExifTags.TAGS:
|
|
if ExifTags.TAGS[tag_id] == 'DateTimeOriginal':
|
|
if tag_id in exif:
|
|
# EXIF dates are typically in format: '2024:02:15 14:30:00'
|
|
date_str = exif[tag_id]
|
|
return datetime.strptime(date_str, '%Y:%m:%d %H:%M:%S')
|
|
return None
|
|
except Exception:
|
|
return None
|
|
|
|
def save(self, *args: Any, **kwargs: Any) -> None:
|
|
# Extract EXIF date if this is a new photo
|
|
if not self.pk and not self.date_taken:
|
|
self.date_taken = self.extract_exif_date()
|
|
|
|
# Set default caption if not provided
|
|
if not self.caption and self.uploaded_by:
|
|
current_time = timezone.now()
|
|
self.caption = f"Uploaded by {self.uploaded_by.username} on {current_time.strftime('%B %d, %Y at %I:%M %p')}"
|
|
|
|
# If this is marked as primary, unmark other primary photos
|
|
if self.is_primary:
|
|
Photo.objects.filter(
|
|
content_type=self.content_type,
|
|
object_id=self.object_id,
|
|
is_primary=True
|
|
).exclude(pk=self.pk).update(is_primary=False) # Use pk instead of id
|
|
|
|
super().save(*args, **kwargs)
|