Added UpdateView for Books and Authors, and respective templates

reading/bookshelf/forms.py

@@ -8,6 +8,6 @@ class BookForm(ModelForm):
 
 class AuthorForm(ModelForm):
     class Meta:
-        model = Books
+        model = Authors
         fields = ['first_name','last_name','age','nationality','bio']
         
\ No newline at end of file

reading/bookshelf/templates/bookshelf/edit-author.html

+{% extends 'base.html' %}
+
+
+{% block title %}
+	Edit Author
+{% endblock %}
+
+
+{% block header %}
+	<h1>Edit Author</h1>
+{% endblock %}
+
+
+{% block content %}
+
+	{{ form.non_field_errors }}
+	{% for field in form %}
+		{% if field.errors %}
+			<p>{{ field.label }} has the following errors:</p>
+			<ul>
+			{% for error in field.errors %}
+				<li>{{ error }}</li>
+			{% endfor %}
+			</ul>
+		{% endif %}
+	{% endfor %}
+	
+	<form method = "POST">
+	{% csrf_token %}
+	{{ form.as_p }}
+	<input type = "submit" value = "Save Changes">
+	</form>
+	
+	
+	<p>
+	<a href = "http://127.0.0.1:8000/home">Home</a>
+	<a href = "http://127.0.0.1:8000/authors">Authors</a>
+	<a href = "http://127.0.0.1:8000/books">Books</a>
+	</p>
+{% endblock %}
\ No newline at end of file

reading/bookshelf/templates/bookshelf/edit-book.html

+{% extends 'base.html' %}
+
+
+{% block title %}
+	Edit Book
+{% endblock %}
+
+
+{% block header %}
+	<h1>Edit Book</h1>
+{% endblock %}
+
+
+{% block content %}
+
+	{{ form.non_field_errors }}
+	{% for field in form %}
+		{% if field.errors %}
+			<p>{{ field.label }} has the following errors:</p>
+			<ul>
+			{% for error in field.errors %}
+				<li>{{ error }}</li>
+			{% endfor %}
+			</ul>
+		{% endif %}
+	{% endfor %}
+	
+	<form method = "POST">
+	{% csrf_token %}
+	{{ form.as_p }}
+	<input type = "submit" value = "Save Changes">
+	</form>
+	
+	
+	<p>
+	<a href = "http://127.0.0.1:8000/home">Home</a>
+	<a href = "http://127.0.0.1:8000/authors">Authors</a>
+	<a href = "http://127.0.0.1:8000/books">Books</a>
+	</p>
+{% endblock %}
\ No newline at end of file

reading/bookshelf/urls.py

 # about/urls.py
 from django.urls import path
 
-from .views import (home_view, AuthorListView, BookListView, BookDetailView, AuthorDetailView, BookCreateView, AuthorCreateView)
+from .views import (home_view, AuthorListView, BookListView, BookDetailView, AuthorDetailView, 
+    BookCreateView, AuthorCreateView, BookUpdateView, AuthorUpdateView)
 
 urlpatterns = [
     path('home', home_view, name='index'),
@@ -11,6 +12,8 @@ urlpatterns = [
     path('authors/<int:pk>/details', AuthorDetailView.as_view(), name='authors-details'),
     path('books/add', BookCreateView.as_view(), name='books-create'),
     path('authors/add', AuthorCreateView.as_view(), name='authors-create'),
+    path('books/<int:pk>/edit', BookUpdateView.as_view(), name='books-update'),
+    path('authors/<int:pk>/edit', AuthorUpdateView.as_view(), name='author-update'),
 ]
 
 app_name = "bookshelf" # for proper namespacing in urls, otherwise will result in errors
\ No newline at end of file

reading/bookshelf/views.py

@@ -2,16 +2,20 @@ from django.shortcuts import render
 from django.views import View
 from django.views.generic.detail import DetailView
 from django.views.generic.list import ListView
+from django.views.generic.edit import UpdateView
 from django.shortcuts import get_object_or_404
 from django.views.generic.edit import CreateView, UpdateView
 
 from .models import Books, Authors
+from .forms import BookForm, AuthorForm
+
 
 def home_view(request):
     return render(request, 'bookshelf/homepage.html', {
         'page_title': "Books and Authors"
     })
     
+    
 class AuthorListView(ListView):
     def get(self, request):
         authors = Authors.objects.all()
@@ -19,6 +23,7 @@ class AuthorListView(ListView):
             'authors': authors
         })
         
+        
 class BookListView(ListView):
     def get(self, request):
         books = Books.objects.all() 
@@ -26,6 +31,7 @@ class BookListView(ListView):
             'books': books
         })        
         
+        
 class BookDetailView(DetailView):
     model = Books
     template_name = 'bookshelf/books_details.html'
@@ -34,17 +40,36 @@ class BookDetailView(DetailView):
         print("BooksDetailView is being called")
         return super().get(request, *args, **kwargs)
     
+    
 class AuthorDetailView(DetailView):
     model = Authors
     template_name = 'bookshelf/authors_details.html'
     
+    
 class BookCreateView(CreateView):
     model = Books
     fields = '__all__'
-    template_name = 'add-book.html'
+    template_name = 'bookshelf/add-book.html'
+
 
 class AuthorCreateView(CreateView):
-    model = Books
+    model = Authors
     fields = '__all__'
-    template_name = 'add-book.html' 
+    template_name = 'bookshelf/add-author.html' 
+    
+
+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 AuthorUpdateView(UpdateView):
+    model = Authors
+    form_class = AuthorEditForm
+    template_name = 'bookshelf/edit-author.html'
+    def get_success_url(self):
+        return reverse_lazy('author_details', kwargs={'pk': self.object.pk})
 # Create your views here.