Develop

.gitignore

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+.idea
+.venv
+db.sqlite3
+__pycache__
+.env

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/
+"""
+import os
+from dotenv import load_dotenv
+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!
+load_dotenv(dotenv_path=BASE_DIR / '.env')
+
+SECRET_KEY = os.environ.get('SECRET_KEY')
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = False
+
+ALLOWED_HOSTS = ['localhost', '127.0.0.1']
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'cinema',
+    'rest_framework'
+]
+
+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'))
+]

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 .models import Movie
+
+# Register your models here.
+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 2024-12-09 19:03
+
+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, unique=True)),
+                ('description', models.TextField(blank=True)),
+                ('duration', models.PositiveIntegerField(help_text='Duration in minutes')),
+            ],
+        ),
+    ]

cinema/models.py

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+from django.db import models
+
+
+class Movie(models.Model):
+    title = models.CharField(max_length=100, unique=True)
+    description = models.TextField(blank=True)
+    duration = models.PositiveIntegerField(help_text="Duration in minutes")
+
+    def __str__(self):
+        return self.title
+
+    def formatted_duration(self):
+        hours = self.duration // 60
+        minutes = self.duration % 60
+        return f"{hours}h {minutes}m"

cinema/serializers.py

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+from rest_framework import serializers
+from .models import Movie
+
+
+class MovieSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Movie
+        fields = ['id', 'title', 'description', 'duration']
+
+    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 .views import movie_list, movie_detail
+
+urlpatterns = [
+    path('movies/', movie_list, name='movie-list'),
+    path('movies/<int:pk>/', movie_detail, name='movie-detail'),
+]

cinema/views.py

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+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+from rest_framework import status
+from django.shortcuts import get_object_or_404
+
+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)
+
+    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)
+
+    if 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)
+
+    if request.method == "DELETE":
+        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', 'app.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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+asgiref==3.8.1
+Django==5.1.4
+djangorestframework==3.15.2
+mccabe==0.7.0
+pycodestyle==2.12.1
+pyflakes==3.2.0
+sqlparse==0.5.2
+tzdata==2024.2
+python-dotenv==1.0.1