Finished the Lab

bookshelf/forms.py

+from django import forms
+from django.urls import reverse_lazy
+from .models import Books, Author
+from django.views.generic.edit import UpdateView
+
+class BookForm(forms.ModelForm):
+    class Meta:
+        model = Books
+        fields = '__all__'
+
+class AuthorForm(forms.ModelForm):
+    class Meta:
+        model = Author
+        fields = '__all__'
+
+class BookUpdate(UpdateView):
+    model = Books
+    form_class = BookForm
+    template_name = 'bookshelf/edit-book.html'
+
+    def form_valid(self, form):
+        form.save()
+        return super().form_valid(form)
+
+    def get_success_url(self):
+        return reverse_lazy('book_details', kwargs={'pk': self.object.pk})

bookshelf/migrations/0003_alter_books_blurb.py

+# Generated by Django 4.2 on 2023-04-24 13:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookshelf', '0002_alter_books_author'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='books',
+            name='blurb',
+            field=models.CharField(max_length=1000),
+        ),
+    ]

bookshelf/models.py

@@ -16,7 +16,7 @@ class Books(models.Model):
     publisher = models.CharField(max_length=100)
     year_published = models.IntegerField()
     ISBN = models.CharField(max_length=13)
-    blurb = models.CharField(max_length=200)
+    blurb = models.CharField(max_length=1000)
 
     def __str__(self):
         return self.title

bookshelf/templates/bookshelf/add-author.html

+{% extends 'bookshelf/base.html' %}
+
+{% block title %}Add New Author{% endblock %}
+
+{% block content %}
+  <h1>Add New Author</h1>
+  <form method="post">
+    {% csrf_token %}
+    <div class="form-group">
+      <label for="first_name">First Name:</label>
+      <input type="text" class="form-control" id="first_name" name="first_name">
+    </div>
+    <div class="form-group">
+      <label for="last_name">Last Name:</label>
+      <input type="text" class="form-control" id="last_name" name="last_name">
+    </div>
+    <div class="form-group">
+      <label for="age">Age:</label>
+      <input type="number" class="form-control" id="age" name="age">
+    </div>
+    <div class="form-group">
+      <label for="nationality">Nationality:</label>
+      <input type="text" class="form-control" id="nationality" name="nationality">
+    </div>
+    <div class="form-group">
+      <label for="bio">Bio:</label>
+      <textarea class="form-control" id="bio" name="bio"></textarea>
+    </div>
+    <button type="submit" class="btn btn-primary">Add Author</button>
+  </form>
+{% endblock %}

bookshelf/templates/bookshelf/add-book.html

+{% extends 'bookshelf/base.html' %}
+
+{% block title %}Add New Book{% endblock %}
+
+{% block content %}
+  <h1>Add New Book</h1>
+  <form method="post">
+    {% csrf_token %}
+    <div class="form-group">
+      <label for="{{ form.title.id_for_label }}">Title:</label>
+      {{ form.title }}
+    </div>
+    <div class="form-group">
+      <label for="{{ form.author.id_for_label }}">Author:</label>
+      {{ form.author }}
+    </div>
+    <div class="form-group">
+      <label for="{{ form.publisher.id_for_label }}">Publisher:</label>
+      {{ form.publisher }}
+    </div>
+    <div class="form-group">
+      <label for="{{ form.year_published.id_for_label }}">Year Published:</label>
+      {{ form.year_published }}
+    </div>
+    <div class="form-group">
+      <label for="{{ form.ISBN.id_for_label }}">ISBN:</label>
+      {{ form.ISBN }}
+    </div>
+    <div class="form-group">
+      <label for="{{ form.blurb.id_for_label }}">Blurb:</label>
+      {{ form.blurb }}
+    </div>
+    <button type="submit" class="btn btn-primary">Add Book</button>
+  </form>
+{% endblock %}

bookshelf/templates/bookshelf/author_details.html

@@ -8,10 +8,14 @@
   <p>Nationality: {{ author.nationality }}</p>
   <p>{{ author.bio }}</p>
 
+  <div>
+    <a href="{% url 'edit_author' author.pk %}">Edit Author</a>
+  </div>
+
   <h2>Books by {{ author.first_name }} {{ author.last_name }} I Love:</h2>
   <ul>
     {% for book in author.books.all %}
-      <li><a href="{% url 'book_details' book.pk %}">{{ book.title }}</a></li>
+      <li><a href="{% url 'books_details' book.pk %}">{{ book.title }}</a></li>
     {% empty %}
       <li>No books found for {{ author.first_name }} {{ author.last_name }}</li>
     {% endfor %}
@@ -19,6 +23,5 @@
 
   <ul>
     <li><a href="{% url 'home' %}">Home</a>&emsp; <a href="{% url 'books' %}">Books</a> &emsp; <a href="{% url 'authors' %}">Authors</a></li>
-
   </ul>
 {% endblock %}

bookshelf/templates/bookshelf/base.html

@@ -4,7 +4,13 @@
     <title>{% block title %}{% endblock %}</title>
   </head>
   <body>
-    {% block content %}
-    {% endblock %}
+    <div class="main-content">
+      {% block content %}
+      {% endblock %}
+    </div>
+    <div class="sidebar">
+      {% block sidebar %}
+      {% endblock %}
+    </div>
   </body>
 </html>

bookshelf/templates/bookshelf/books.html

@@ -6,7 +6,7 @@
   <h2>Pao's Favorite Books:</h2>
   <ul>
     {% for book in books %}
-      <li><a href="{% url 'book_details' book.pk %}">{{ book.title }}</a></li>
+      <li><a href="{% url 'books_details' book.pk %}">{{ book.title }}</a></li>
     {% endfor %}
   </ul>
 

bookshelf/templates/bookshelf/books_details.html

@@ -12,8 +12,7 @@
 {% block sidebar %}
     <h3>Navigation</h3>
     <ul>
-        <li><a href="{% url 'home' %}">Home</a></li>
-        <li><a href="{% url 'books' %}">Books</a></li>
-        <li><a href="{% url 'authors' %}">Authors</a></li>
+        <li><a href="{% url 'edit_book' pk=book.pk %}" class="btn btn-primary">Edit Book</a></li>
+        <li><a href="{% url 'home' %}">Home</a>&emsp; <a href="{% url 'books' %}">Books</a> &emsp; <a href="{% url 'authors' %}">Authors</a></li>
     </ul>
 {% endblock %}

bookshelf/templates/bookshelf/edit-author.html

+{% extends 'bookshelf/base.html' %}
+
+{% block title %}Edit Author{% endblock %}
+
+{% block content %}
+  <h1>Edit Author</h1>
+  <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <button type="submit" class="btn btn-primary">Save Changes</button>
+  </form>
+{% endblock %}

bookshelf/templates/bookshelf/edit-book.html

+{% extends 'bookshelf/base.html' %}
+
+{% block content %}
+  <h1>Edit Book</h1>
+  <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <input type="submit" value="Save Changes">
+  </form>
+{% endblock %}

bookshelf/templates/bookshelf/home.html

@@ -7,6 +7,6 @@
   <p>Greetings and a warm welcome to my Books Database! As an avid reader, I have a great passion for the fantasy genre, particularly works by literary titans such as J.K. Rowling and Rick Riordan.</p>
   <ul>
     <li><a href="{% url 'books' %}">Books</a> &emsp; <a href="{% url 'authors' %}">Authors</a></li>
-
+    <li><a href="{% url 'books_add' %}">Add Book</a> &emsp; <a href="{% url 'authors_add' %}">Add Author</a></li>
   </ul>
 {% endblock %}

bookshelf/urls.py

@@ -4,7 +4,11 @@ from . import views
 urlpatterns = [
     path('', views.home, name='home'),
     path('books/', views.BookListView.as_view(), name='books'),
-    path('books/<int:pk>/details/', views.BookDetailView.as_view(), name='book_details'),
+    path('books/<int:pk>/details/', views.BookDetailView.as_view(), name='books_details'),
+    path('books/<int:pk>/update/', views.BookUpdateView.as_view(), name='edit_book'),
     path('authors/', views.AuthorListView.as_view(), name='authors'),
     path('authors/<int:pk>/', views.AuthorDetailView.as_view(), name='author_details'),
+    path('authors/<int:pk>/update/', views.AuthorUpdateView.as_view(), name='edit_author'),
+    path('books/add/', views.add_book, name='books_add'),
+    path('authors/add/', views.add_author, name='authors_add'),
 ]

bookshelf/views.py

-from django.shortcuts import render
-from django.views.generic import ListView, DetailView
+from django import forms
+from django.shortcuts import render, redirect
+from django.views.generic import ListView, DetailView, UpdateView
+from django.urls import reverse_lazy
 from .models import Books, Author
+from .forms import BookForm, AuthorForm
+
 
 class BookListView(ListView):
     model = Books
     template_name = 'bookshelf/books.html'
     context_object_name = 'books'
 
+
 class BookDetailView(DetailView):
     model = Books
     template_name = 'bookshelf/books_details.html'
@@ -17,11 +22,34 @@ class BookDetailView(DetailView):
         context['book'] = self.get_object()
         return context
 
+
+class BookUpdateView(UpdateView):
+    model = Books
+    form_class = BookForm
+    template_name = 'bookshelf/edit-book.html'
+
+    def get_success_url(self):
+        return reverse_lazy('books_details', kwargs={'pk': self.object.pk})
+
+
+class BookForm(forms.ModelForm):
+    author = forms.ModelChoiceField(queryset=Author.objects.all())
+
+    class Meta:
+        model = Books
+        fields = ['title', 'author', 'publisher', 'year_published', 'ISBN', 'blurb']
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['author'].widget.attrs.update({'class': 'form-control'})
+        self.fields['author'].widget = forms.Select(attrs={'class': 'form-control'}, choices=[(author.pk, author) for author in Author.objects.all()])
+
 class AuthorListView(ListView):
     model = Author
     template_name = 'bookshelf/authors.html'
     context_object_name = 'authors'
 
+
 class AuthorDetailView(DetailView):
     model = Author
     template_name = 'bookshelf/author_details.html'
@@ -32,6 +60,23 @@ class AuthorDetailView(DetailView):
         context['author'] = self.get_object()
         return context
 
+
+class AuthorUpdateView(UpdateView):
+    model = Author
+    form_class = AuthorForm
+    template_name = 'bookshelf/edit-author.html'
+
+    def get_success_url(self):
+        return reverse_lazy('author_details', kwargs={'pk': self.object.pk})
+
+
+class EditAuthorView(UpdateView):
+    model = Author
+    fields = ['first_name', 'last_name', 'age', 'nationality', 'bio']
+    template_name = 'bookshelf/edit-author.html'
+    success_url = reverse_lazy('author_details')
+
+
 def home(request):
     context = {
         'title': 'My Favorite Books & Authors',
@@ -41,3 +86,27 @@ def home(request):
         'authors_link': 'authors/'
     }
     return render(request, 'bookshelf/home.html', context=context)
+
+
+def add_book(request):
+    if request.method == 'POST':
+        form = BookForm(request.POST)
+        if form.is_valid():
+            books = form.save()
+            return redirect('books_details', pk=books.pk)
+    else:
+        form = BookForm()
+    context = {'form': form}
+    return render(request, 'bookshelf/add-book.html', context=context)
+
+
+def add_author(request):
+    if request.method == 'POST':
+        form = AuthorForm(request.POST)
+        if form.is_valid():
+            author = form.save()
+            return redirect('author_details', pk=author.pk)
+    else:
+        form = AuthorForm()
+    context = {'form': form}
+    return render(request, 'bookshelf/add-author.html', context=context)