Solution

.gitignore

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+### Python ###
+*.py[cod]
+*$py.class
+*.so
+__pycache__/
+
+### Django ###
+*.log
+*.pot
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+media/
+
+### Virtual Environments ###
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+### PyCharm ###
+.idea/
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+### Unit test / coverage reports ###
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.pytest_cache/

app/asgi.py

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+"""
+ASGI config for app 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", "app.settings")
+
+application = get_asgi_application()

app/settings.py

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+"""
+Django settings for app project.
+
+Generated by 'django-admin startproject' using Django 5.1.3.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.1/ref/settings/
+"""
+
+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/5.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = "django-insecure-9bl-h(4lgo@ze7&)49dh0p#361_foxihsxdhud*@v)svfj&%@9"
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+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",
+    "user"
+]
+
+AUTH_USER_MODEL = "user.User"
+
+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 = "app.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 = "app.wsgi.application"
+
+
+# Database
+# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": BASE_DIR / "db.sqlite3",
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.1/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/5.1/topics/i18n/
+
+LANGUAGE_CODE = "en-us"
+
+TIME_ZONE = "UTC"
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.1/howto/static-files/
+
+STATIC_URL = "static/"
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

app/urls.py

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+"""
+URL configuration for app project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+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"))
+]

app/wsgi.py

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

cinema/admin.py

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+from django.contrib import admin
+
+from cinema.models import Movie
+
+admin.site.register(Movie)

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 2024-12-07 08:32
+
+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.TextField()),
+                ("duration", models.IntegerField()),
+            ],
+        ),
+    ]

cinema/migrations/0002_alter_movie_description_alter_movie_title.py

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+# Generated by Django 5.1.3 on 2024-12-08 16:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("cinema", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="movie",
+            name="description",
+            field=models.CharField(blank=True, max_length=255),
+        ),
+        migrations.AlterField(
+            model_name="movie",
+            name="title",
+            field=models.CharField(blank=True, max_length=255),
+        ),
+    ]

cinema/models.py

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+from django.db import models
+
+
+class Movie(models.Model):
+    title = models.CharField(max_length=255, blank=True)
+    description = models.CharField(max_length=255, blank=True)
+    duration = models.IntegerField()
+
+    def __str__(self):
+        return f"{self.title} duration: {self.duration} min"

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(max_length=255, required=False)
+    description = serializers.CharField(required=False)
+    duration = serializers.IntegerField()
+
+    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
+
+# Create your tests here.

cinema/urls.py

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

cinema/views.py

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+
+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 cinema.models import Movie
+from cinema.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)
+    else:
+        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)
+    else:
+        movie.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)