I have two models -
class Document(models.Model):
document_id = models.AutoField(primary_key=True)
title = models.CharField('title', max_length=200)
class Meta:
ordering = ['title']
def __str__(self):
return "%s" % (self.title)
class Collection(models.Model):
collection_id = models.AutoField(primary_key=True)
name = models.CharField('title', max_length=200)
description = models.TextField('description')
document = models.ManyToManyField(Document,)
In admin.py, I am trying to show the documents that are in a collection. I
have this:
class CollectionAdmin(admin.ModelAdmin):
filter_horizontal = ('document',)
list_display = ('name', 'description', 'get_documents')
def get_documents(self, obj):
documents =
Collection.objects.filter(collection_id=obj.collection_id).values('document')
templist = []
for doc in documents:
d = Document.objects.get(document_id=doc['document']).title
templist.append(d)
return templist
My question is, I getting the titles of the documents in the collection
correctly? Is there some way to get a queryset to look up the Document
fields directly, or do I have to make two queries as I am doing?
Thanks!
Mark
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