populate new authors with isni data

If a user selects an author pulled from the ISNI service when editing a book, use any relevant data from ISNI to populate the new author record.

This includes
- bio
- aliases
- isni
- wikipedia url
- viaf

bookwyrm/views/books/edit_book.py

@@ -11,7 +11,7 @@ from django.utils.decorators import method_decorator
 from django.views import View
 
 from bookwyrm import book_search, forms, models
-from bookwyrm.utils.isni import find_authors_by_name
+from bookwyrm.utils.isni import find_authors_by_name, get_author_isni_data
 from bookwyrm.views.helpers import get_edition
 from .books import set_cover_from_url
 
@@ -71,6 +71,8 @@ class EditBook(View):
                         ),  # find matches from ISNI API
                     }
                 )
+                # TODO: check if an isni record matches an existing record
+                # to bring these two records together
 
         # we're creating a new book
         if not book:
@@ -152,8 +154,13 @@ class ConfirmEditBook(View):
                         models.Author, id=request.POST[f"author_match-{i}"]
                     )
                 except ValueError:
-                    # otherwise it's a name
-                    author = models.Author.objects.create(name=match)
+                    # otherwise it's a name with or without isni id
+                    isni = request.POST.get(f"isni_match-{i}")
+                    author_data = (
+                        get_author_isni_data(isni) if isni is not None 
+                        else {"name": match}
+                    )
+                    author = models.Author.objects.create(**author_data)
                 book.authors.add(author)
 
             # create work, if needed