0ffd47ca96
* new style with picocss * djlint * rate distribution * collection item drag to order * discover available for guest * search combine movie tv
64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
from django.core.management.base import BaseCommand
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from django.core.cache import cache
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import pprint
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from catalog.models import *
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from journal.models import ShelfMember, query_item_category, ItemCategory
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from datetime import timedelta
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from django.utils import timezone
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from django.db.models import Count
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MAX_GALLERY_ITEMS = 42
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class Command(BaseCommand):
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help = "catalog app utilities"
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def add_arguments(self, parser):
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parser.add_argument(
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"--update",
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action="store_true",
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help="generate discover data",
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)
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def get_popular_item_ids(self, category, days):
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self.stdout.write(f"Generating popular {category} items for {days} days...")
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item_ids = [
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m["item_id"]
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for m in ShelfMember.objects.filter(query_item_category(category))
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.filter(created_time__gt=timezone.now() - timedelta(days=days))
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.values("item_id")
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.annotate(num=Count("item_id"))
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.order_by("-num")[:MAX_GALLERY_ITEMS]
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]
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return item_ids
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def handle(self, *args, **options):
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if options["update"]:
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cache_key = "public_gallery"
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gallery_categories = [
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ItemCategory.Book,
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ItemCategory.Movie,
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ItemCategory.TV,
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ItemCategory.Game,
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ItemCategory.Music,
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ItemCategory.Podcast,
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]
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gallery_list = []
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for category in gallery_categories:
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days = 14
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item_ids = []
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while len(item_ids) < MAX_GALLERY_ITEMS / 2 and days < 150:
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item_ids = self.get_popular_item_ids(category, days)
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days *= 3
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items = Item.objects.filter(id__in=item_ids)
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gallery_list.append(
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{
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"name": "popular_" + category.value,
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"title": "热门"
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+ (category.label if category != ItemCategory.Book else "图书"),
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"items": items,
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}
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)
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cache.set(cache_key, gallery_list, timeout=None)
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self.stdout.write(self.style.SUCCESS(f"Done."))
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