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Django hold many model in one model

Powerful Pintail answered on July 28, 2023 Popularity 1/10 Helpfulness 1/10

answer Django hold many model in one model

Django hold many model in one model

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# models.py

from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType

class Price(models.Model):
    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
    object_id = models.PositiveIntegerField()
    service = GenericForeignKey('content_type', 'object_id')
    amount = models.DecimalField(max_digits=10, decimal_places=2)
    # Add other fields specific to the price

    def __str__(self):
        return f"Price for {self.service}"

# views.py

# Creating a price for ServiceA
service_a_instance = ServiceA.objects.get(id=1)
price_a = Price.objects.create(service=service_a_instance, amount=19.99)

# Creating a price for ServiceB
service_b_instance = ServiceB.objects.get(id=1)
price_b = Price.objects.create(service=service_b_instance, amount=29.99)

# Accessing prices for all services
all_prices = Price.objects.all()
for price in all_prices:
    print(f"Price for {price.service}: {price.amount}")

Popularity 1/10 Helpfulness 1/10 Language python

Source: chat.openai.com

Tags: django field model python

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Contributed on Jul 28 2023

Powerful Pintail

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