implementation of serializer for Movie model and creation api views for endpoints

cinema/admin.py

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+from django.contrib import admin
+from .models import Movie
+
+# Register your models here.
+admin.site.register(Movie)

cinema/apps.py

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

cinema/migrations/0001_initial.py

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+# Generated by Django 5.1.4 on 2025-01-09 18:47
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Movie',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=100)),
+                ('description', models.TextField(max_length=255)),
+                ('duration', models.DurationField()),
+            ],
+            options={
+                'verbose_name_plural': 'Movies',
+            },
+        ),
+    ]

cinema/migrations/0002_alter_movie_options_alter_movie_description_and_more.py

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+# Generated by Django 5.1.4 on 2025-01-09 19:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cinema', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='movie',
+            options={},
+        ),
+        migrations.AlterField(
+            model_name='movie',
+            name='description',
+            field=models.TextField(),
+        ),
+        migrations.AlterField(
+            model_name='movie',
+            name='duration',
+            field=models.IntegerField(),
+        ),
+    ]

cinema/migrations/0003_alter_movie_duration.py

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+# Generated by Django 5.1.4 on 2025-01-09 19:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cinema', '0002_alter_movie_options_alter_movie_description_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='movie',
+            name='duration',
+            field=models.DurationField(),
+        ),
+    ]

cinema/models.py

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+from django.db import models
+
+# Create your models here.
+class Movie(models.Model):
+    title = models.CharField(max_length=100)
+    description = models.TextField()
+    duration = models.DurationField()
+
+    def __str__(self):
+        return self.title

cinema/serializers.py

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+from rest_framework import serializers
+from cinema.models import Movie
+
+
+class MovieSerializer(serializers.Serializer):
+    id = serializers.IntegerField(read_only=True)
+    title = serializers.CharField(required=True, max_length=100)
+    description = serializers.CharField(required=False, max_length=255)
+    duration = serializers.DurationField()
+
+    def create(self, validated_data):
+        return Movie.objects.create(**validated_data)
+
+    def update(self, instance, validated_data):
+        instance.title = validated_data.get('title', instance.title)
+        instance.description = validated_data.get('description', instance.description)
+        instance.duration = validated_data.get('duration', instance.duration)
+        return instance

cinema/tests.py

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

cinema/urls.py

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+from django.urls import path
+from cinema.views import movies_list, movie_detail
+
+app_name = 'cinema'
+
+urlpatterns = [
+    path('cinema/movies/', movies_list, name='movies-list'),
+    path('cinema/movies/<int:movie_id>', movie_detail, name='movies-detail'),
+]

cinema/views.py

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+from django.http import HttpRequest, HttpResponse
+from django.shortcuts import render, get_object_or_404
+from rest_framework import status
+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+
+from cinema.models import Movie
+from cinema.serializers import MovieSerializer
+
+
+# Create your views here.
+@api_view(['GET', 'POST'])
+def movies_list(request: HttpRequest) -> HttpResponse:
+    if request.method == "GET":
+        movies = Movie.objects.all()
+        serializer = MovieSerializer(movies, many=True)
+        return Response(
+            serializer.data,
+            status=status.HTTP_200_OK
+        )
+    elif request.method == "POST":
+        serializer = MovieSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+        return Response(serializer.data, status=status.HTTP_201_CREATED)
+
+
+@api_view(['GET', 'PUT', 'DELETE'])
+def movie_detail(request: HttpRequest, movie_id: int) -> HttpResponse:
+    movie = get_object_or_404(Movie, pk=movie_id)
+    if request.method == "GET":
+        serializer = MovieSerializer(movie)
+        return Response(serializer.data, status=status.HTTP_200_OK)
+    elif request.method == "PUT":
+        serializer = MovieSerializer(movie, data=request.data)
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+        return Response(serializer.data, status=status.HTTP_200_OK)
+    else:
+        movie.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)

manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'movieapi.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

movieapi/asgi.py

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+"""
+ASGI config for movieapi project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'movieapi.settings')
+
+application = get_asgi_application()