asdfasdf

article/forms/genre_form.py

+from django import forms
+
+from article.models import Genre
+
+
+class GenreForm(forms.Form):
+    title = forms.CharField(
+        required=True,
+        max_length=50,
+        min_length=3,
+        label="Название жанра")
+    description = forms.CharField(required=False, max_length=500, label="Описание", widget=forms.Textarea(attrs={'style': 'border: 2px solid red'}))
+
+    class Meta:
+        fields = ['title', 'description']
+

article/models.py

@@ -9,6 +9,14 @@ class Author(models.Model):
         return f"{self.name} {self.last_name}"
 
 
+class Genre(models.Model):
+    title = models.CharField(max_length=50, null=False, blank=False, verbose_name='Название', )
+    description = models.CharField(max_length=100, null=False, blank=False, verbose_name='Описание')
+
+    def __str__(self):
+        return f"{self.pk}. {self.title}"
+
+
 class Article(models.Model):
     title = models.CharField(max_length=100, null=False, blank=False, verbose_name='Название')
     content = models.TextField(max_length=3000, null=False, blank=False, verbose_name='Тело')

article/urls.py

 from django.urls import path
-from article.views import \
+from article.views.article_views import \
     article_create_view, \
     article_list_view, \
     article_detail_view, \
-    article_update_view, \
+    article_update_view
+
+from article.views.author_view import \
     author_list_view, \
-    author_create_view
+    author_create_view, \
+    author_update_view
 
+from article.views.genre_view import (
+    genre_create_view,
+    genre_list_view
+)
 
 urlpatterns = [
     path('add/', article_create_view, name='add_article'),
@@ -15,5 +22,9 @@ urlpatterns = [
     path('edit/<int:pk>', article_update_view, name='article_update'),
 
     path('author/create', author_create_view, name="add_author"),
-    path('author/list', author_list_view, name="list_author")
-]
\ No newline at end of file
+    path('author/list', author_list_view, name="list_author"),
+    path('author/<int:pk>/edit', author_update_view, name="update_author"),
+
+    path('genre/create', genre_create_view, name="add_genre"),
+    path('genre/list', genre_list_view, name="list_genre"),
+]

article/views.py

@@ -5,82 +5,8 @@ from django.http import HttpResponseNotFound
 from datetime import datetime
 
 
-def index_view(request):
-    return render(request, 'index.html')
 
 
-def article_create_view(request):
-    if request.method == 'GET':
-        return render(request, 'article/create.html', context={
-            'authors': Author.objects.all()
-        })
-    elif request.method == 'POST':
-        publication_date = datetime.strptime(request.POST.get("publication_date"), "%Y-%m-%dT%H:%M")
-        now_time = datetime.now()
-        if publication_date < datetime.now():
-            return render(request, 'article/create.html', context={
-                "error_message": f"Дата публикации ({publication_date}) не должна быть раньше текущей {now_time}"})
-        author = Author.objects.get(id=request.POST.get('author_id'))
-        new_article = Article.objects.create(
-            title=request.POST.get('title'),
-            content=request.POST.get('content'),
-            author=author,
-            publication_date=publication_date
-        )
-        new_article.save()
-        return redirect('article_detail', pk=new_article.pk)
 
 
-def article_detail_view(request, *args, **kwargs):
-    try:
-        article = Article.objects.get(pk=kwargs.get('pk'))
-    except Article.DoesNotExist as e:
-        return HttpResponseNotFound(f'Статья с id {kwargs.get("pk")} не найдена')
-    return render(request, 'article/detail.html', context={'article': article})
 
-
-def article_update_view(request, pk):
-    article = Article.objects.get(pk=pk)
-    if request.method == 'GET':
-        publication_date_format = article.publication_date
-        article.publication_date = publication_date_format.strftime('%Y-%m-%dT%H:%M')
-        return render(request, 'article/update.html', context={'article': article})
-    if request.method == 'POST':
-        publication_date = datetime.strptime(request.POST.get("publication_date"), "%Y-%m-%dT%H:%M")
-        now_time = datetime.now()
-        if publication_date < datetime.now():
-            return render(request, 'article/update.html', context={
-                "error_message": f"Дата публикации ({publication_date}) не должна быть раньше текущей {now_time}"})
-
-        article.title = request.POST.get('title'),
-        print(request.POST.get('title'))
-        article.content = request.POST.get('content'),
-        article.author = request.POST.get('author'),
-        article.publication_date = publication_date
-
-        article.save()
-        return redirect('article_detail', pk=article.pk)
-
-
-def article_list_view(request):
-    return render(request, 'article/list.html', context={
-        'articles': Article.objects.all()
-    })
-
-
-def author_create_view(request):
-    if request.method == "GET":
-        return render(request, 'author/create.html')
-    if request.method == "POST":
-        new_author = Author.objects.create(
-            last_name=request.POST.get("last_name"),
-            name=request.POST.get("name"),
-        )
-
-        new_author.save()
-
-        return redirect("list_author")
-
-
-def author_list_view(request):
-    return render(request, "author/list.html", context={"authors": Author.objects.all()})

article/views/article_views.py

+from datetime import datetime
+
+from django.http import HttpResponseNotFound
+from django.shortcuts import render, redirect
+
+from article.models import Author, Article
+
+def index_view(request):
+    return render(request, 'index.html')
+
+def article_create_view(request):
+    if request.method == 'GET':
+        return render(request, 'article/create.html', context={
+            'authors': Author.objects.all()
+        })
+    elif request.method == 'POST':
+        publication_date = datetime.strptime(request.POST.get("publication_date"), "%Y-%m-%dT%H:%M")
+        now_time = datetime.now()
+        if publication_date < datetime.now():
+            return render(request, 'article/create.html', context={
+                "error_message": f"Дата публикации ({publication_date}) не должна быть раньше текущей {now_time}"})
+        author = Author.objects.get(id=request.POST.get('author_id'))
+        new_article = Article.objects.create(
+            title=request.POST.get('title'),
+            content=request.POST.get('content'),
+            author=author,
+            publication_date=publication_date
+        )
+        new_article.save()
+        return redirect('article_detail', pk=new_article.pk)
+
+
+def article_detail_view(request, *args, **kwargs):
+    try:
+        article = Article.objects.get(pk=kwargs.get('pk'))
+    except Article.DoesNotExist as e:
+        return HttpResponseNotFound(f'Статья с id {kwargs.get("pk")} не найдена')
+    return render(request, 'article/detail.html', context={'article': article})
+
+
+def article_update_view(request, pk):
+    article = Article.objects.get(pk=pk)
+    if request.method == 'GET':
+        publication_date_format = article.publication_date
+        article.publication_date = publication_date_format.strftime('%Y-%m-%dT%H:%M')
+        return render(request, 'article/update.html', context={'article': article})
+    if request.method == 'POST':
+        publication_date = datetime.strptime(request.POST.get("publication_date"), "%Y-%m-%dT%H:%M")
+        now_time = datetime.now()
+        if publication_date < datetime.now():
+            return render(request, 'article/update.html', context={
+                "error_message": f"Дата публикации ({publication_date}) не должна быть раньше текущей {now_time}"})
+
+        article.title = request.POST.get('title'),
+        print(request.POST.get('title'))
+        article.content = request.POST.get('content'),
+        article.author = request.POST.get('author'),
+        article.publication_date = publication_date
+
+        article.save()
+        return redirect('article_detail', pk=article.pk)
+
+
+def article_list_view(request):
+    return render(request, 'article/list.html', context={
+        'articles': Article.objects.all()
+    })
\ No newline at end of file

article/views/author_view.py

+from django.shortcuts import render, redirect, get_object_or_404
+from django.urls import reverse
+
+from article.models import Author
+
+
+def author_create_view(request):
+    if request.method == "GET":
+        return render(request, 'author/create.html', context={
+            'link': reverse('add_author'),
+            'button_title': "Создать"
+        })
+    if request.method == "POST":
+        new_author = Author.objects.create(
+            last_name=request.POST.get("last_name"),
+            name=request.POST.get("name"),
+        )
+
+        new_author.save()
+
+        return redirect("list_author")
+
+
+def author_list_view(request):
+    return render(request, "author/list.html", context={"authors": Author.objects.all()})
+
+
+def author_update_view(request, pk):
+    if request.method == 'GET':
+        print(reverse('update_author', kwargs={'pk': pk}))
+        return render(request, 'author/create.html', context={
+            'author': get_object_or_404(Author, pk=pk),
+            'link': reverse('update_author', kwargs={'pk': pk}),
+            'button_title': "Изменить"
+        })
+    if request.method == 'POST':
+        author = get_object_or_404(Author, pk=pk)
+        author.name = request.POST.get('name')
+        author.last_name = request.POST.get('last_name')
+
+        errors = dict()
+        if len(author.name) > 100:
+            errors["name"] = "Слишком длинное имя автора"
+        if len(author.last_name) > 100:
+            errors["last_name"] = "Слишком длинная фамилия автора"
+
+        if errors:
+            return render(request, 'author/create.html', context={
+                "errors": errors,
+                'author': author,
+                'link': reverse('update_author', kwargs={'pk': pk}),
+                'button_title': "Изменить"})
+
+        author.save()
+        return redirect('list_author')
\ No newline at end of file

article/views/genre_view.py

+from django.shortcuts import render, redirect
+from article.models import Genre
+from article.forms.genre_form import GenreForm
+
+
+def genre_create_view(request):
+    if request.method == 'GET':
+        form = GenreForm()
+        return render(request, 'genre/create.html', context={'form': form})
+    if request.method == 'POST':
+        form = GenreForm(request.POST)
+
+        if form.is_valid():
+            genre = Genre.objects.create(
+                title=form.cleaned_data['title'],
+                description=form.cleaned_data['description']
+            )
+            genre.save()
+            return redirect('list_genre')
+
+        return render(request, 'genre/create.html', context={'form': form})
+
+
+
+def genre_list_view(request):
+    return render(request, 'genre/list.html', context={'genres': Genre.objects.all()})

article_lesson/urls.py

@@ -15,7 +15,7 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import path, include
-from article.views import index_view
+from article.views.article_views import index_view
 
 urlpatterns = [
     path('admin/', admin.site.urls),

templates/author/create.html

@@ -3,22 +3,27 @@
 {% block content %}
     <div class="row">
         <div class="col-md-6">
-            {% if error_message %}
-                <div class="alert alert-danger" role="alert">
-                  {{ error_message }}
-                </div>
-            {% endif %}
-            <form action="{% url 'add_author' %}" method="post">
+            <form action="{{ link }}" method="post">
                 {% csrf_token %}
                 <div class="mb-3">
-                  <label for="name_input" class="form-label">Имя</label>
-                  <input type="text" name="name" class="form-control" id="name_input" placeholder="Имя...">
+                    <label for="name_input" class="form-label">Имя</label>
+                    {% if errors.name %}
+                        <p style="color: red; font-size: 12px;">{{ errors.name }}</p>
+                        <input type="text" style="border: 2px red solid" name="name" class="form-control" value="{{ author.name }}" id="name_input" placeholder="Имя...">
+                    {% else %}
+                        <input type="text" name="name" class="form-control" value="{{ author.name }}" id="name_input" placeholder="Имя...">
+                    {% endif %}
                 </div>
                 <div class="mb-3">
-                  <label for="last_name_input" class="form-label">Фамилия</label>
-                  <input type="text" name="last_name" class="form-control" id="last_name_input" placeholder="Фамили...">
+                    <label for="last_name_input" class="form-label">Фамилия</label>
+                    {% if errors.last_name %}
+                        <p style="color: red; font-size: 12px;">{{ errors.last_name }}</p>
+                        <input type="text" name="last_name" style="border: 2px red solid" class="form-control" value="{{ author.last_name }}" id="last_name_input" placeholder="Фамилия...">
+                    {% else %}
+                        <input type="text" name="last_name" class="form-control" value="{{ author.last_name }}" id="last_name_input" placeholder="Фамилия...">
+                    {% endif %}
                 </div>
-                <button type="submit" class="btn btn-success">Create</button>
+                <button type="submit" class="btn btn-success">{{ button_title }}</button>
             </form>
         </div>
     </div>

templates/author/list.html

@@ -3,13 +3,19 @@
 {% block content %}
 <div class="row">
     <div class="col-md-6">
-        <div class="list-group">
+        <ul class="list-group">
             {% for author in authors %}
+                 <li class="list-group-item">
                  <div>
-                    {{ author }}
+                     {{ author }}
                  </div>
+                 <div>
+                    {% url "update_author" author.id as update_link %}
+                    {% include 'partial/update_button.html' with link=update_link %}
+                 </div>
+                 </li>
             {% endfor %}
-        </div>
+        </ul>
     </div>
 </div>
 <a href="{% url 'add_author' %}" class="btn btn-info">Add New Author</a>

templates/base.html

@@ -11,27 +11,7 @@
     <title>Document</title>
 </head>
 <body>
-    <nav class="navbar navbar-expand-lg navbar-light bg-light">
-      <div class="container-fluid">
-        <a class="navbar-brand" href="{% url 'index_view' %}">My Blog</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 'article_list' %}">Articles</a>
-            </li>
-            <li class="nav-item">
-              <a class="nav-link" href="{% url 'add_article' %}">Add New Article</a>
-            </li>
-            <li class="nav-item">
-              <a class="nav-link" href="{% url 'add_author' %}">Add New Author</a>
-            </li>
-          </ul>
-        </div>
-      </div>
-    </nav>
+    {% include 'partial/navigation.html' %}
 
     <div class="container">
         {% block content %}

templates/genre/create.html

+{% extends 'base.html' %}
+
+{% block content %}
+
+    <form action="{% url 'add_genre' %}" method="POST">
+        {% csrf_token %}
+        {{ form.non_field_errors }}
+        <div class="form-group">
+            {{ form.messages.title }}
+            <label for="{{ form.title.id_for_label }}">{{ form.title.label }}</label>
+            {{ form.title }}
+        </div>
+         <div class="form-group">
+            {{ form.messages.description }}
+            <label for="{{ form.description.id_for_label }}">{{ form.description.label }}</label>
+            {{ form.description }}
+        </div>
+        <input type="submit" value="Создать">
+    </form>
+{% endblock %}
\ No newline at end of file

templates/genre/list.html

+{% extends 'base.html' %}
+
+{% block content %}
+<div class="row">
+    <div class="col-md-6">
+        <ul class="list-group">
+            {% for genre in genres %}
+                 <li class="list-group-item">
+                 <div>
+                     {{ genre }}
+                 </div>
+                 </li>
+            {% endfor %}
+        </ul>
+    </div>
+</div>
+<a href="{% url 'add_genre' %}" class="btn btn-info">Add Genre</a>
+{% endblock %}

templates/partial/navigation.html

+<nav class="navbar navbar-expand-lg navbar-light bg-light">
+  <div class="container-fluid">
+    <a class="navbar-brand" href="{% url 'index_view' %}">My Blog</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 'article_list' %}">Articles</a>
+        </li>
+        <li class="nav-item">
+          <a class="nav-link" href="{% url 'add_article' %}">Add New Article</a>
+        </li>
+        <li class="nav-item">
+          <a class="nav-link" href="{% url 'add_author' %}">Add New Author</a>
+        </li>
+        <li class="nav-item">
+          <a class="nav-link" href="{% url 'list_author' %}">Authors</a>
+        </li>
+          <li class="nav-item">
+          <a class="nav-link" href="{% url 'list_genre' %}">Genres</a>
+        </li>
+      </ul>
+    </div>
+  </div>
+</nav>
\ No newline at end of file

templates/partial/update_button.html

+<a href="{{ link }}" class="btn btn-info">Изменить</a>
\ No newline at end of file