Hi @Андрей Сердюк,
Thank you for quick response.
Some clarifications please?
So you are saying that i need to create a new class for the category? the
current code for one of my app where i am using category field is as below:
class Listing(models.Model):
> user = models.ForeignKey(User, default=1, null=True,
> on_delete=models.SET_NULL)
> title = models.CharField(max_length=120)
> description = models.TextField()
> phone_number = PhoneNumberField(blank=True, null=True)
> fax_number = PhoneNumberField(blank=True, null=True)
> null=True)
> address1 = models.ForeignKey(Address, on_delete=models.CASCADE,
> related_name='addresses', blank=False, null=False)
> address2 = AddressField(related_name='Address',
> on_delete=models.CASCADE, blank=False, null=False)
> created_date = models.DateTimeField(auto_now=False,
> auto_now_add=True, null=False, blank=True)
> updated = models.DateTimeField(auto_now=True)
> timestamp = models.DateTimeField(auto_now_add=True)
> # category = models.ForeignKey(category, 'category.Category',
> help_text='Categorize this item.')
> categories = models.ManyToManyField('category.Category',
> help_text='Categorize this item.')
> tags = models.ManyToManyField('category.Tag',
> help_text='Tag this item.')
> slug = AutoSlugField(populate_from='title', unique=True,
> null=False, blank=False)
>
I do not have a class for Category. I assumed that the django-category app
would have it?
Also if i am to retrieve individual or multiple categories / tags related
to the listing, how do i show the field in the form and also on the
frontend?
Have currently tried to use "{{ Listing.Category.slug }}" / "{{
Listing.Category.title }}" these does not show up on the front end. It
shows up blank. screen shot below.
Please advice.
On Wednesday, 19 June 2019 21:10:37 UTC+5:30, Андрей Сердюк wrote:
>
> Hi, if Your code looks like this:
>
> class Category(models.Model):
> name = models.CharField(maxlength=32)
> pass
>
> class Goods(models.Model):
> categories = models.ManyToManyField(Category,
> on_delete=models.CASCADE)
>
> You would get it with this code:
> category = Category.objects.get(pk=23)
> goods = category.goods_set.all()
> - it returns queryset of instances, which depends on category with pk=23.
> Or like that:
> item = Goods.objects.get(pk=1)
> categories = item.categories.
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