Solution

.env sample

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+SECRET_KEY=SECRET_KEY

.gitignore

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+.idea
+venv
+*.pyc
+*.sqlite3

cinema/admin.py

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+from django.contrib import admin
+
+from .models import Movie
+
+
+@admin.register(Movie)
+class MovieAdmin(admin.ModelAdmin):
+    list_display = ("title", "duration")

cinema/apps.py

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+from django.apps import AppConfig
+
+
+class CinemaConfig(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 2024-12-10 13:06
+
+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=255)),
+                ('description', models.CharField(blank=True, max_length=255, null=True)),
+                ('duration', models.PositiveIntegerField()),
+            ],
+        ),
+    ]

cinema/models.py

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+from django.db import models
+
+
+class Movie(models.Model):
+    title = models.CharField(max_length=255)
+    description = models.CharField(
+        max_length=255,
+        blank=True,
+        null=True
+    )
+    duration = models.PositiveIntegerField()
+
+    def __str__(self) -> str:
+        return self.title

cinema/serializers.py

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+from rest_framework import serializers
+
+from .models import Movie
+
+
+class MovieSerializer(serializers.Serializer):
+    id = serializers.IntegerField(read_only=True)
+    title = serializers.CharField(max_length=255)
+    description = serializers.CharField(allow_blank=True, required=False)
+    duration = serializers.IntegerField(min_value=1)
+
+    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)
+        instance.save()
+        return instance

cinema/tests.py

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+from django.test import TestCase

cinema/urls.py

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

cinema/views.py

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+from django.http import HttpRequest
+from rest_framework.decorators import api_view
+from rest_framework.generics import get_object_or_404
+from rest_framework.response import Response
+from rest_framework import status
+
+from .models import Movie
+from .serializers import MovieSerializer
+
+
+@api_view(["GET", "POST"])
+def movie_list(request):
+    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, pk):
+    movie = get_object_or_404(Movie, pk=pk)
+
+    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)
+
+    elif request.method == "DELETE":
+        movie.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)

core/asgi.py

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+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+application = get_asgi_application()

core/settings.py

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+"""
+Django settings for core project.
+Generated by "django-admin startproject" using Django 3.2.25.
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/topics/settings/
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/3.2/ref/settings/
+"""
+from dotenv import load_dotenv
+import os
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / "subdir".
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+load_dotenv()
+
+SECRET_KEY = os.getenv("SECRET_KEY")
+
+# SECURITY WARNING: don"t run with debug turned on in production!
+DEBUG = False
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "rest_framework",
+    "cinema",
+]
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+ROOT_URLCONF = "core.urls"
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "core.wsgi.application"
+
+
+# Database
+# https://docs.djangoproject.com/en/3.2/ref/settings/#databases
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": BASE_DIR / "db.sqlite3",
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/3.2/topics/i18n/
+
+LANGUAGE_CODE = "en-us"
+
+TIME_ZONE = "UTC"
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/3.2/howto/static-files/
+
+STATIC_URL = "/static/"
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

core/urls.py

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+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path("admin/", admin.site.urls),
+    path("api/cinema/", include("cinema.urls", namespace="cinema"))
+]

core/wsgi.py

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+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+application = get_wsgi_application()

manage.py

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+import os
+import sys
+
+
+def main():
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "core.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()
+

requirements.txt

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+Django~=5.1.4
+views~=0.3
+djangorestframework~=3.15.2
+python-dotenv~=1.0.1