webinar 24

banana/css/styles.css

@@ -11,15 +11,12 @@
 body {
     font-family: Arial, sans-serif;
     font-size: 16px;
-    color: #444444;
-    background-color: pink;
 }
 
 .container {
     margin: 0 auto;
     width: 100%;
     max-width: 900px;
-    text-align: center;
 }
 
 .field-error {

core/settings.py

@@ -37,6 +37,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django_extensions',
 
     'web'
 ]
@@ -134,3 +135,6 @@ STATICFILES_DIRS = [
 # https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+
+SHELL_PLUS = "bpython"

web/forms.py

 from django import forms
 from django.forms import widgets
 
+from web.models import Article
+
 
 class ArticleForm(forms.Form):
     title = forms.CharField(max_length=200, required=True, label='Title')
     author = forms.CharField(max_length=40, required=True, label='Author')
     status = forms.CharField(required=True, label='Status')
     text = forms.CharField(max_length=3000, required=True, label='Text', widget=widgets.Textarea)
+
+
+class ArticleModelForm(forms.ModelForm):
+    class Meta:
+        model = Article
+        fields = ('title', 'author', 'status', 'text', 'tags')
+        widgets = {
+            'title': forms.TextInput(attrs={'class': 'form-control mb-3'}),
+            'author': forms.TextInput(attrs={'class': 'form-control mb-3'}),
+            'status': forms.Select(attrs={'class': 'form-select mb-3'}),
+            'text': forms.Textarea(attrs={'class': 'form-control mb-3'}),
+            'tags': forms.CheckboxSelectMultiple(attrs={'class': 'mb-3'})
+        }

web/templates/article.html

-{% extends 'base.html' %}
-
-{% block title %}
-    <h1>Article checkout</h1>
-{% endblock %}
-
-{% block content %}
-<h2>{{ article.title }}</h2>
-
-<p>{{ article.text }}</p>
-<h5>Status: {{ article.status }}</h5>
-<h5>By: {{ article.author }}</h5>
-
-<h4>Created: {{ article.created_at }}</h4>
-<h4>Updated: {{ article.updated_at }}</h4>
-<a href="{% url 'article_update' article.pk %}">Edit</a>
-<a href="{% url 'delete_article' article.pk %}">Delete</a>
-{% endblock %}

web/templates/article_create.html

@@ -3,12 +3,13 @@
 {% load static %}
 
 {% block title %}
-    <h1>Create Article</h1>
+    <h1 class="text-center my-4">Create Article</h1>
 {% endblock %}
 
 {% block content %}
     <form action="/articles/add/" method="post">
-        {% include 'partial/article_form.html' with button_text='Create' %}
+        {% csrf_token %}
+        {% include 'partial/form.html' with button_text='Create' %}
     </form>
 {% endblock %}
 

web/templates/article_detail.html

+{% extends 'base.html' %}
+
+{% block title %}
+    <h2 class="my-4">Article checkout</h2>
+    <hr>
+{% endblock %}
+
+{% block content %}
+
+<div><b>Title: </b>{{ article.title }}</div>
+
+<b>Tags:</b>
+<ol>
+{% for tag in article.tags.all %}
+    <li>{{ tag.name }}</li>
+{% endfor %}
+</ol>
+
+<div><b>Text: </b>{{ article.text }}</div>
+<div><b>Status: </b>{{ article.status }}</div>
+<div><b>By: </b>{{ article.author }}</div>
+
+<div><b>Created: </b>{{ article.created_at }}</div>
+<div><b>Updated: </b>{{ article.updated_at }}</div>
+
+<hr>
+
+<a href="{% url 'article_update' article.pk %}" class="btn btn-primary mt-4 me-3">Edit</a>
+<a href="{% url 'delete_article' article.pk %}" class="btn btn-danger mt-4">Delete</a>
+{% endblock %}

web/templates/partial/form.html

+{% for error in form.non_field_errors %}
+    <div class="alert alert-danger">{{ error }}</div>
+{% endfor %}
+
+{% for field in form.visible_fields %}
+    {% if field.errors %}
+        {% for error in field.errors %}
+            <div class="alert alert-danger">{{ error }}</div>
+        {% endfor %}
+    {% endif %}
+
+    {{ field.label }}
+    {{ field }}
+{% endfor %}
+
+<button type="submit" class="btn btn-success">{{ button_text }}</button>

web/views.py

 from django.shortcuts import render, redirect, get_object_or_404
 from django.urls import reverse
 from django.views.generic import View, TemplateView, RedirectView
-from web.forms import ArticleForm
+from web.forms import ArticleForm, ArticleModelForm
 from web.models import Article, StatusChoices
 
 
 def index_view(request):
     return render(
         request, 'index.html', context={
-            'articles': Article.objects.order_by('title'),
+            'articles': Article.objects.order_by('-created_at'),
             'reverse': reverse('articles-detail', kwargs={'id': 1})
         }
     )
@@ -21,7 +21,7 @@ class MainPageRedirectView(RedirectView):
 # Class-based views
 class ArticleCreateView(View):
     def get(self, request, *args, **kwargs):
-        form = ArticleForm()
+        form = ArticleModelForm()
         
         return render(
             self.request,
@@ -35,15 +35,10 @@ class ArticleCreateView(View):
     def post(self, request, *args, **kwargs):
         errors = {}
         data = request.POST
-        form = ArticleForm(data=data)
+        form = ArticleModelForm(data=data)
         if form.is_valid():
-            article = Article.objects.create(
-                title=form.cleaned_data['title'],
-                status=form.cleaned_data['status'],
-                text=form.cleaned_data['text'],
-                author=form.cleaned_data['author'],
-            )
-            return redirect(redirect('articles-detail', id=article.id))
+            article = form.save()
+            return redirect('articles-detail', id=article.id)
         else:
             return render(self.request, 'article_create.html', context={'form': form, 'status_choices': StatusChoices.choices})
 
@@ -51,11 +46,11 @@ class ArticleCreateView(View):
 # /articles/{id}
 def article_detail_view(request, id: int):
     article = get_object_or_404(Article, id=id)
-    return render(request, 'article.html', context={'article': article})
+    return render(request, 'article_detail.html', context={'article': article})
 
 
 class ArticleDetailView(TemplateView):
-    template_name = 'article.html'
+    template_name = 'article_detail.html'
 
     def get_context_data(self, **kwargs):
         article = get_object_or_404(Article, id=kwargs.get('id'))