mirror of
https://github.com/pacnpal/thrillwiki_django_no_react.git
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751cd86a31
- Implemented OperatorListView and OperatorDetailView for managing operators. - Created corresponding templates for operator listing and detail views. - Added PropertyOwnerListView and PropertyOwnerDetailView for managing property owners. - Developed templates for property owner listing and detail views. - Established relationships between parks and operators, and parks and property owners in the models. - Created migrations to reflect the new relationships and fields in the database. - Added admin interfaces for PropertyOwner management. - Implemented tests for operators and property owners.
66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
from django.db import models
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from django.utils.text import slugify
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from django.urls import reverse
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from typing import Tuple, Optional, ClassVar, TYPE_CHECKING
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import pghistory
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from history_tracking.models import TrackedModel, HistoricalSlug
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@pghistory.track()
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class Manufacturer(TrackedModel):
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"""
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Companies that manufacture rides (enhanced from existing, separate from companies)
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"""
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name = models.CharField(max_length=255)
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slug = models.SlugField(max_length=255, unique=True)
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description = models.TextField(blank=True)
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website = models.URLField(blank=True)
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founded_year = models.PositiveIntegerField(blank=True, null=True)
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headquarters = models.CharField(max_length=255, blank=True)
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rides_count = models.IntegerField(default=0)
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coasters_count = models.IntegerField(default=0)
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objects: ClassVar[models.Manager['Manufacturer']]
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class Meta:
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ordering = ['name']
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verbose_name = 'Manufacturer'
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verbose_name_plural = 'Manufacturers'
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def __str__(self) -> str:
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return self.name
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def save(self, *args, **kwargs) -> None:
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if not self.slug:
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self.slug = slugify(self.name)
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super().save(*args, **kwargs)
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def get_absolute_url(self) -> str:
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return reverse('manufacturers:detail', kwargs={'slug': self.slug})
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@classmethod
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def get_by_slug(cls, slug: str) -> Tuple['Manufacturer', bool]:
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"""Get manufacturer by slug, checking historical slugs if needed"""
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try:
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return cls.objects.get(slug=slug), False
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except cls.DoesNotExist:
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# Check pghistory first
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history_model = cls.get_history_model()
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history_entry = (
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history_model.objects.filter(slug=slug)
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.order_by('-pgh_created_at')
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.first()
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)
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if history_entry:
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return cls.objects.get(id=history_entry.pgh_obj_id), True
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# Check manual slug history as fallback
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try:
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historical = HistoricalSlug.objects.get(
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content_type__model='manufacturer',
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slug=slug
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)
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return cls.objects.get(pk=historical.object_id), True
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except (HistoricalSlug.DoesNotExist, cls.DoesNotExist):
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raise cls.DoesNotExist()
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