Added imports and some classes for add and edit

diannedelpilar_reading/bookshelf/views.py

-from django.shortcuts import render
-from django.http import HttpResponse, Http404
+from django.shortcuts import render, reverse
+from django.http import Http404
 from .models import Author, Book
 from django.views import View
+from .forms import BookForm, AuthorForm
+from django.shortcuts import get_object_or_404
+from django.views.generic.edit import UpdateView
+
 
 def home(request):
     return render(request, "bookshelf/home.html")
@@ -35,4 +39,50 @@ class AuthorsDetailView(View):
         except Author.DoesNotExist:
             raise Http404("Author does not exist!")
         books_list= Book.objects.all().filter(author=author)
-        return render(request, "bookshelf/author_detail.html", {"author":author,"books_list":books_list})
\ No newline at end of file
+        return render(request, "bookshelf/author_detail.html", {"author":author,"books_list":books_list})
+    
+    
+class AddBookView(View):
+    model = Book    
+    def get_context_data(self,**kwargs):
+        context = super().get_context_data(**kwargs)
+        context['form'] = BookForm()
+        return context
+    def post(self, request,*args,**kwargs):
+        form = BookForm(request.POST)
+        if form.is_valid():
+            new_book = form.save()
+            return render(request, "bookshelf/book_detail.html", {'book': new_book})
+        else:
+            return render(request, "bookshelf/add-book.html", {'form': form})
+
+
+class AddAuthorView(View):
+    model = Author    
+    def get_context_data(self,**kwargs):
+        context = super().get_context_data(**kwargs)
+        context['form'] = AuthorForm()
+        return context
+    def post(self, request,*args,**kwargs):
+        form = AuthorForm(request.POST)
+        if form.is_valid():
+            new_author = form.save()
+            return render(request, "bookshelf/author_detail.html", {'author': new_author})
+        else:
+            return render(request, "bookshelf/add-author.html", {'form': form})
+
+
+class BookEditView(UpdateView):
+    model = Book
+    fields = '__all__'
+    template_name = 'bookshelf/edit-book.html'
+    def get_success_url(self):
+        return reverse('bookshelf:book_detail', kwargs={'book_id':self.object.pk})
+
+
+class AuthorEditView(UpdateView):
+    model = Author
+    fields = '__all__'
+    template_name = 'bookshelf/edit-author.html'
+    def get_success_url(self):
+        return reverse('bookshelf:author_detail', kwargs={'author_id':self.object.pk})
\ No newline at end of file