这是我的代码
模型.py(应用程序:文章)
from django.contrib.auth.models import User
class Article(models.Model):
# code...
url_title = models.CharField(max_length=80, unique=True, db_index=True)
HATE_SPEECH = 'HS'
SPAM = 'SP'
FAKE_INFO = 'FI'
REPORT_REASON = (
(FAKE_INFO, 'Fake Information'),
(HATE_SPEECH, 'Hate Speech'),
(SPAM, 'Spam'))
class Report(models.Model):
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
article_id = models.ForeignKey(Article, on_delete=models.PROTECT)
user_id = models.ForeignKey(User, on_delete=models.PROTECT)
reason = models.CharField(max_length=2, choices=REPORT_REASON)
solved_status = models.BooleanField(default=False)
date_created = models.DateTimeField(auto_now_add=now)
admin.py(应用:文章)class ArticleAdmin(admin.ModelAdmin):
pass
# code...
class ReportAdmin(admin.ModelAdmin):
list_display = ('id', 'article_id', 'user_id', 'reason', 'solved_status', 'date_created')
admin.site.register(Article, ArticleAdmin)
admin.site.register(Report, ReportAdmin)
我的数据库记录目前看起来像这样:在 Django 管理员 我想以这种方式显示所有这些记录。
ordering = ['solved_status']
实现)所以,最终的表格应该是这样的:
现在,我们可以看到
我尝试使用 this link 使用注释我认为这可以解决我的部分疑问,但它不断给我错误和疑问,但仍未解决。我已经尝试了很长时间,任何帮助都是可观的。提前致谢 :)
最佳答案
一些窗口函数注释应该启用所描述的排序:
from django.db.models import F, Count, Window, Q
class ReportAdmin(admin.ModelAdmin):
list_display = ('id', 'article_id', 'user_id', 'reason', 'solved_status', 'date_created',
'count_by_article', 'count_by_article_and_reason')
def get_queryset(self, request):
return super().get_queryset(request).annotate(
count_by_article=Window(
expression=Count('id', filter=Q(solved_status=False)),
partition_by=F('article_id')
),
count_by_article_and_reason=Window(
expression=Count('id', filter=Q(solved_status=False)),
partition_by=[F('article_id'), F('reason')],
),
earliest_report_by_article=Window(
expression=Min('date_created', filter=Q(solved_status=False)),
partition_by=[F('article_id')],
),
earliest_report_by_article_and_reason=Window(
expression=Min('date_created', filter=Q(solved_status=False)),
partition_by=[F('article_id'), F('reason')],
),
).order_by('solved_status', '-count_by_article', 'earliest_report_by_article', 'article_id',
'-count_by_article_and_reason', 'earliest_report_by_article_and_reason',
'reason', 'date_created')
def count_by_article(self, obj):
return obj.count_by_article
def count_by_article_and_reason(self, obj):
return obj.count_by_article_and_reason
admin.site.register(Report, ReportAdmin)
关于python - Django- 将 django-admin 中的记录与组、最大计数和时间戳一起显示,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/66839409/