Initial commit

.gitignore

+venv/
+__pycache__/
+db.sqlite3
+.idea
\ No newline at end of file

articles/admin.py

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

articles/apps.py

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

articles/forms.py

+from django.forms.models import ModelForm
+from articles.models import Article, Author
+
+
+class AuthorForm(ModelForm):
+    class Meta:
+        model = Author
+        fields = ("name",)

articles/migrations/0001_initial.py

+# Generated by Django 3.2.6 on 2021-08-09 13:55
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Author',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=50)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Article',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=250)),
+                ('body', models.CharField(max_length=2000, null=True)),
+                ('author', models.ForeignKey(default='Автор не указан', on_delete=django.db.models.deletion.SET_DEFAULT, related_name='articles', to='articles.author')),
+            ],
+        ),
+    ]

articles/migrations/0002_alter_article_author.py

+# Generated by Django 3.2.6 on 2021-08-09 14:02
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('articles', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='author',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='articles', to='articles.author'),
+        ),
+    ]

articles/migrations/0003_comment.py

+# Generated by Django 3.2.6 on 2021-08-11 13:47
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('articles', '0002_alter_article_author'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text', models.TextField(max_length=400, verbose_name='Комментарий')),
+                ('author', models.CharField(blank=True, default='Аноним', max_length=40, null=True, verbose_name='Автор')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата изменения')),
+                ('article', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='articles.article', verbose_name='Статья')),
+            ],
+        ),
+    ]

articles/models.py

+from django.db import models
+
+
+class Author(models.Model):
+    name = models.CharField(max_length=50, null=False, verbose_name="Автор")
+
+
+class Article(models.Model):
+    title = models.CharField(max_length=250, null=False)
+    body = models.CharField(max_length=2000, null=True)
+    author = models.ForeignKey(
+        "articles.Author",
+        on_delete=models.SET_NULL,
+        null=True, related_name='articles')
+
+
+class Comment(models.Model):
+    article = models.ForeignKey(
+        "articles.Article",
+        related_name="comments",
+        on_delete=models.CASCADE,
+        verbose_name="Статья")
+    text = models.TextField(max_length=400, verbose_name="Комментарий")
+    author = models.CharField(max_length=40, null=True, blank=True, verbose_name="Автор", default="Аноним")
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="Дата создания")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="Дата изменения")
+
+    def __str__(self):
+        return self.text[:20]

articles/templates/articles/article_list.html

+{% extends 'base.html' %}
+
+{% block content %}
+    <div class="container">
+        <table class="table">
+          <thead>
+            <tr>
+              <th scope="col">#</th>
+              <th scope="col">Title</th>
+              <th scope="col">Author</th>
+            </tr>
+          </thead>
+          <tbody>
+            {% for article in articles %}
+                <tr>
+                  <th scope="row">1</th>
+                  <td>{{ article.title }}</td>
+                  <td>{{ article.author.name }}</td>
+                </tr>
+            {% endfor %}
+          </tbody>
+        </table>
+        <a href="{% url 'author_create' %}">Создать автора</a>
+    </div>
+{% endblock %}
\ No newline at end of file

articles/templates/authors/author_create.html

+{% extends 'base.html' %}
+
+{% block content %}
+    <div class="container">
+        <form action="{% url 'author_create' %}" method="POST">
+        {% csrf_token %}
+        <div class="mb-3">
+          <label for="formGroupExampleInput" class="form-label">{{ form.name.label }}</label>
+          <input type="text" class="form-control" name="{{ form.name.name }}" id="formGroupExampleInput" placeholder="Введите имя автора">
+        </div>
+        <input type="submit">
+    </form>
+    </div>
+{% endblock %}
\ No newline at end of file

articles/templates/authors/author_list.html

+{% extends 'base.html' %}
+
+{% block content %}
+    <div class="container">
+        <table class="table">
+          <thead>
+            <tr>
+              <th scope="col">#</th>
+              <th scope="col">Name</th>
+              <th scope="col">Actions</th>
+            </tr>
+          </thead>
+          <tbody>
+            {% for author in authors %}
+                <tr>
+                  <th scope="row">1</th>
+                  <td>{{ author.name }}</td>
+                  <td>
+                      <div style="display: flex;">
+                          <a class="btn btn-info small" href="{% url 'author_update' author.pk %}">Изменить</a>
+                          <a class="btn btn-danger small" href="{% url 'author_delete' author.pk %}">Удалить</a>
+                      </div>
+                  </td>
+                </tr>
+            {% endfor %}
+          </tbody>
+        </table>
+        <a href="{% url 'author_create' %}">Создать автора</a>
+    </div>
+{% endblock %}
\ No newline at end of file

articles/templates/authors/author_update.html

+{% extends 'base.html' %}
+
+{% block content %}
+    <form action="{% url 'author_update' pk %}" method="POST">
+        {% csrf_token %}
+        {{ form.as_p }}
+        <input type="submit">
+    </form>
+{% endblock %}
\ No newline at end of file

articles/templates/base.html

+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-KyZXEAg3QhqLMpG8r+8fhAXLRk2vvoC2f3B09zVXn8CA5QIVfZOJ3BCsw2P0p/We" crossorigin="anonymous">
+    <title>Document</title>
+</head>
+<body>
+    {% include 'partial/navbar.html' %}
+    {% block content %}
+
+    {% endblock %}
+</body>
+</html>
\ No newline at end of file

articles/templates/partial/navbar.html

+<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+  <div class="container">
+    <a class="navbar-brand" href="#">Navbar</a>
+    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+      <span class="navbar-toggler-icon"></span>
+    </button>
+    <div class="collapse navbar-collapse" id="navbarNav">
+      <ul class="navbar-nav">
+        <li class="nav-item">
+          <a class="nav-link" href="{% url 'author_list' %}">Список авторов</a>
+        </li>
+      </ul>
+    </div>
+  </div>
+</nav>
\ No newline at end of file

articles/tests.py

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

articles/urls.py

+from django.urls import path
+from .views import (
+    article_list_view,
+    create_author_view,
+    author_list_view, author_edit_view, author_delete_view, AuthorView
+)
+
+urlpatterns = [
+    path(
+        '',
+        article_list_view,
+        name="article_list"
+    ),
+    path(
+        'create/',
+        AuthorView.as_view(),
+        name="author_create"
+    ),
+    path(
+        'authors/',
+        author_list_view,
+        name="author_list"
+    ),
+
+    path(
+        'author/<int:pk>/update/',
+        author_edit_view,
+        name="author_update"
+    ),
+
+    path(
+        'author/<int:pk>/delete/',
+        author_delete_view,
+        name="author_delete"
+    )
+]

articles/views.py

+from django.shortcuts import render, redirect, get_object_or_404
+from django.views import View
+
+from articles.models import Article, Author
+from .forms import AuthorForm
+
+
+def article_list_view(request):
+    if request.method == "GET":
+        articles = Article.objects.all()
+        return render(
+            request,
+            template_name="articles/article_list.html",
+            context={'articles': articles}
+        )
+
+
+def author_list_view(request):
+    if request.method == "GET":
+        authors = Author.objects.all()
+        return render(
+            request,
+            template_name="authors/author_list.html",
+            context={'authors': authors}
+        )
+
+
+class AuthorView(View):
+    url_pattern = 'authors/author_create.html'
+
+    def get(self, request, *args, **kwargs):
+        form = AuthorForm()
+
+        return render(
+            request,
+            self.url_pattern,
+            context={'form': form})
+
+    def post(self, request, *args, **kwargs):
+        form = AuthorForm(request.POST)
+        if form.is_valid():
+            form.save()
+        return redirect('author_list')
+
+
+def create_author_view(request):
+    if request.method == "GET":
+        form = AuthorForm()
+        return render(
+            request,
+            'authors/author_create.html',
+            context={'form': form})
+    if request.method == "POST":
+        form = AuthorForm(request.POST)
+        if form.is_valid():
+            form.save()
+        return redirect('author_list')
+
+
+def author_edit_view(request, pk):
+    author = get_object_or_404(Author, pk=pk)
+    if request.method == "GET":
+        form = AuthorForm(instance=author)
+        return render(
+            request,
+            'authors/author_update.html',
+            context={'form': form, "pk": pk})
+    if request.method == "POST":
+        form = AuthorForm(request.POST)
+        if form.is_valid():
+            author.name = request.POST.get("name")
+            author.save(update_fields=['name', ])
+        return redirect('author_list')
+
+
+def author_delete_view(request, pk):
+    if request.method == "GET":
+        author = get_object_or_404(Author, pk=pk)
+        author.delete()
+        return redirect('author_list')

core/asgi.py

+"""
+ASGI config for article_proj 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/3.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'article_proj.settings')
+
+application = get_asgi_application()

core/settings.py

+"""
+Django settings for article_proj project.
+
+Generated by 'django-admin startproject' using Django 3.2.6.
+
+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 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!
+SECRET_KEY = 'django-insecure-wse7x-3t6%mo#l9t3r_c2_5ek_c$npk1lj31!*(lt9xtq!t5ea'
+
+# 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',
+    'articles',
+]
+
+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': [BASE_DIR / 'templates'],
+        '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

+"""article_proj URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/3.2/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('', include('articles.urls')),
+]

core/wsgi.py

+"""
+WSGI config for article_proj 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/3.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+application = get_wsgi_application()

manage.py

+#!/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', '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()

requerements.txt

+asgiref==3.4.1
+Django==3.2.6
+pytz==2021.1
+sqlparse==0.4.1