Convert ERD into Django models

Author: WhoIsWill38

server/advertising/__init__.py

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+from django.contrib import admin
+
+# Register your models here.

server/advertising/admin.py

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+from django.apps import AppConfig
+
+
+class AdvertisingConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'advertising'

server/advertising/apps.py

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+# Generated by Django 5.2.8 on 2025-12-05 11:38
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Advertising',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('promotion_price', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('ad_content', models.TextField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('manager', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='advertised_events', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

server/advertising/migrations/0001_initial.py

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+from django.db import models
+from django.contrib.auth import get_user_model
+
+# Create your models here.
+
+User = get_user_model()
+
+class Advertising(models.Model):
+    manager = models.ForeignKey(User, on_delete=models.CASCADE, related_name="advertised_events")
+    promotion_price = models.DecimalField(max_digits=10, decimal_places=2)
+    ad_content = models.TextField(null=False, blank=False)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"Promoted by {self.manager.username} at ${self.promotion_price}"

server/advertising/migrations/__init__.py

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+from rest_framework import serializers
+from .models import Advertising
+from user.serializers import UserSerializer
+
+
+class AdvertisingSerializer(serializers.ModelSerializer):
+    manager = UserSerializer(read_only=True)
+
+    class Meta:
+        model = Advertising
+        fields = ("id", "manager", "promotion_price", "ad_content", "created_at" )
+        read_only_fields = ("created_at",)

server/advertising/models.py

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+from django.test import TestCase
+
+# Create your tests here.

server/advertising/serializers.py

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+from django.urls import path
+from . import views
+
+app_name = "advertising"
+urlpatterns = [
+    path("", views.AdvertisingList.as_view(), name="advertising-list"),
+    ]
+

server/advertising/tests.py

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+from django.shortcuts import render
+from rest_framework import generics, permissions
+
+
+from .models import Advertising
+from .serializers import AdvertisingSerializer
+
+# Create your views here.
+
+class AdvertisingList(generics.ListCreateAPIView):
+    queryset = Advertising.objects.all()
+    serializer_class = AdvertisingSerializer
+    permission_classes = [permissions.IsAuthenticated]