Replace fields __all__ in modelview (mdn#75)

* Replace fields `__all__` in modelview except for one instance, and for that one, add "disclaimer". Also reverse order of using `__all__` so it is not the first presented.

Author: hamishwillee

catalog/views.py

@@ -131,14 +131,14 @@ def renew_book_librarian(request, pk):
 
 class AuthorCreate(PermissionRequiredMixin, CreateView):
     model = Author
-    fields = '__all__'
-    initial = {'date_of_death': '05/01/2018'}
+    fields = ['first_name', 'last_name', 'date_of_birth', 'date_of_death']
+    initial = {'date_of_death': '11/06/2020'}
     permission_required = 'catalog.can_mark_returned'
 
 
 class AuthorUpdate(PermissionRequiredMixin, UpdateView):
     model = Author
-    fields = ['first_name', 'last_name', 'date_of_birth', 'date_of_death']
+    fields = '__all__' # Not recommended (potential security issue if more fields added)
     permission_required = 'catalog.can_mark_returned'
 
 
@@ -151,13 +151,13 @@ class AuthorDelete(PermissionRequiredMixin, DeleteView):
 # Classes created for the forms challenge
 class BookCreate(PermissionRequiredMixin, CreateView):
     model = Book
-    fields = '__all__'
+    fields = ['title', 'author', 'summary', 'isbn', 'genre', 'language']
     permission_required = 'catalog.can_mark_returned'
 
 
 class BookUpdate(PermissionRequiredMixin, UpdateView):
     model = Book
-    fields = '__all__'
+    fields = ['title', 'author', 'summary', 'isbn', 'genre', 'language']
     permission_required = 'catalog.can_mark_returned'