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18 lines
580 B
Python
18 lines
580 B
Python
from django.db.models import QuerySet, Count, Q
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from .models import Park
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def get_base_park_queryset() -> QuerySet[Park]:
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"""Get base queryset with all needed annotations and prefetches"""
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return (
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Park.objects.select_related("operator", "property_owner", "location")
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.prefetch_related("photos", "rides")
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.annotate(
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current_ride_count=Count("rides", distinct=True),
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current_coaster_count=Count(
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"rides", filter=Q(rides__category="RC"), distinct=True
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),
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)
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.order_by("name")
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)
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