mirror of
https://github.com/pacnpal/thrillwiki_django_no_react.git
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87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
from django.db import models
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from django.contrib.contenttypes.fields import GenericForeignKey
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from django.contrib.contenttypes.models import ContentType
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from django.utils.text import slugify
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from django.conf import settings
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import os
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from .storage import MediaStorage
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from rides.models import Ride
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def photo_upload_path(instance, filename):
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"""Generate upload path for photos using normalized filenames"""
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# Get the content type and object
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content_type = instance.content_type.model
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obj = instance.content_object
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# Get object identifier (slug or id)
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identifier = getattr(obj, 'slug', obj.id)
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# Get the next available number for this object
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existing_photos = Photo.objects.filter(
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content_type=instance.content_type,
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object_id=instance.object_id
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).count()
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next_number = existing_photos + 1
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# Create normalized filename
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ext = os.path.splitext(filename)[1].lower()
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if not ext:
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ext = '.jpg' # Default to .jpg if no extension
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new_filename = f"{identifier}_{next_number}{ext}"
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# If it's a ride photo, store it under the park's directory
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if content_type == 'ride':
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ride = Ride.objects.get(id=obj.id)
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return f"park/{ride.park.slug}/{identifier}/{new_filename}"
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# For park photos, store directly in park directory
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return f"park/{identifier}/{new_filename}"
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class Photo(models.Model):
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"""Generic photo model that can be attached to any model"""
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image = models.ImageField(
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upload_to=photo_upload_path,
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max_length=255,
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storage=MediaStorage()
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)
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caption = models.CharField(max_length=255, blank=True)
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alt_text = models.CharField(max_length=255, blank=True)
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is_primary = models.BooleanField(default=False)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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uploaded_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.SET_NULL,
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null=True,
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related_name='uploaded_photos'
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)
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# Generic foreign key fields
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content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
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object_id = models.PositiveIntegerField()
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content_object = GenericForeignKey('content_type', 'object_id')
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class Meta:
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ordering = ['-is_primary', '-created_at']
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indexes = [
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models.Index(fields=['content_type', 'object_id']),
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]
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def __str__(self):
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return f"{self.content_type} - {self.content_object} - {self.caption or 'No caption'}"
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def save(self, *args, **kwargs):
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# Set default caption if not provided
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if not self.caption and self.uploaded_by:
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self.caption = f"Uploaded by {self.uploaded_by.username} on {self.created_at.strftime('%B %d, %Y at %I:%M %p')}"
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# If this is marked as primary, unmark other primary photos
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if self.is_primary:
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Photo.objects.filter(
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content_type=self.content_type,
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object_id=self.object_id,
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is_primary=True
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).exclude(id=self.id).update(is_primary=False)
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super().save(*args, **kwargs)
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