Hi,

You need to create a Category serializer an append it to VendorSerializer

class CategorySerializer(serializers.ModelSerializer):
    class Meta:
        model = Category
        fields = ["category_name", ]


class VendorSerializer(serializers.ModelSerializer):
    category = CategorySerializer()
    class Meta:
        model = Vendor
        fields = ["vendor_id", "vendor_name", "vendor_location", "category"]

You can filter by category now.


Regards,
Sencer HAMARAT



On Wed, Dec 8, 2021 at 4:59 PM Gautam Ankul <gautamanku...@gmail.com> wrote:

> Here is my models
>
> class Vendor(models.Model):
> category_id = models.ForeignKey(
> Category,
> blank=True,
> null=True,
> verbose_name=u"Category id",
> on_delete=models.CASCADE,
> )
> vendor_id = models.CharField(
> unique=True, max_length=50, blank=False, null=False, verbose_name=u"Vendor
> Id",
> )
> vendor_name = models.CharField(
> max_length=50, blank=False, null=False, verbose_name=u"Vendor name"
> )
> vendor_password = models.CharField(
> max_length=50, blank=False, null=False, verbose_name=u"Vendor password"
> )
> vendor_avg_rating = models.DecimalField(
> validators=[MinValueValidator(0.0), MaxValueValidator(5.0)],
> max_digits=3,
> decimal_places=2,
> blank=True,
> null=True,
> verbose_name=u"Vendor average rating",
> )
> vendor_tokens = models.TextField(
> default="[]", blank=True, null=True, verbose_name=u"Vendor tokens",
>
> for category:
>
> class Category(models.Model):
> category_name = models.CharField(
> max_length=50, blank=False, null=False, verbose_name=u"Category name"
> )
>
> def __str__(self):
> return self.category_name
>
> class Meta:
> verbose_name_plural = "Categories"
>
> and serializer is here
>
> class VendorSerializer(serializers.ModelSerializer):
> class Meta:
> model = Vendor
> fields = ["vendor_id","vendor_name","vendor_location"]
>
> and i want that type of result:
>
> {
>     "ErroeCode": "0",
>     "status": 200,
>     "message": "Get vendor details successfully",
>     "Items": [
>         {
>             "vendor_id": "1",
>             "vendor_name": "ankul gautam"
>         },
>         {
>             "vendor_id": "2",
>             "vendor_name": "deepak kush"
>
>
>
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