Python 如何在django haystack中解决相关模型中的过滤问题
我有以下型号:Python 如何在django haystack中解决相关模型中的过滤问题,python,django,django-haystack,
elasticsearch-2.0,Python,Django,Django Haystack,
elasticsearch 2.0,我有以下型号: class Note(models.Model): user = ForeignKey(User) topic = CharField(max_length=20) class Referral(models.Model): recipient = ForeignKey(User, related_name=referral_rcvd) giver = ForeignKey(User, related_name=referral_given)
class Note(models.Model):
user = ForeignKey(User)
topic = CharField(max_length=20)
class Referral(models.Model):
recipient = ForeignKey(User, related_name=referral_rcvd)
giver = ForeignKey(User, related_name=referral_given)
about = CharField(max_length=20)
以及搜索索引.py
中的以下内容:
class NoteIndex(indexes.SearchIndex, indexes.Indexable):
text = indexes.EdgeNgramField(document=True, use_template=True)
topic = indexes.CharField(model_attr='topic')
我想在模板中看到的是:
Search for: <topic>
Results:
<ul>
<topic> <topic.user.username> <topic.user.referral_rcvd.filter(about=topic)
</ul>
但这在html模板中不起作用:
{% for result in object_list %}
{{ result.object.user.referral_rcvd.filter(about=i.object.topic).count() }}
{% endfor %}
{% for result in object_list %}
{{ result.referral }}
{% endfor %}
如果它在shell中工作,如何使它在模板中工作?谢谢 终于解决了!我所做的是使用
prepare\u FOO
方法:
class NoteIndex(indexes.SearchIndex, indexes.Indexable):
text = indexes.EdgeNgramField(document=True, use_template=True)
topic = indexes.CharField(model_attr='topic')
referral_count = indexes.IntegerField()
def prepare_referral_count(self, obj):
topic_name = Note.objects.get(pk=obj.pk).topic
return obj.user.referral_rcvd.filter(about=topic_name).count()
然后我运行了python manage.py update\u index
,并将以下内容放在我的模板中:
{% for result in object_list %}
{{ result.object.user.referral_rcvd.filter(about=i.object.topic).count() }}
{% endfor %}
{% for result in object_list %}
{{ result.referral }}
{% endfor %}
它不是result.object.reflection
,因为我们引用的是索引中的某些内容