Fixes search data and new activitypub fields

bookwyrm/activitypub/book.py

@@ -7,7 +7,17 @@ from .image import Image
 
 
 @dataclass(init=False)
-class Book(ActivityObject):
+class BookData(ActivityObject):
+    """ shared fields for all book data and authors"""
+    openlibraryKey: str = None
+    inventaireId: str = None
+    librarythingKey: str = None
+    goodreadsKey: str = None
+    bnfId: str = None
+
+
+@dataclass(init=False)
+class Book(BookData):
     """ serializes an edition or work, abstract """
 
     title: str
@@ -24,11 +34,6 @@ class Book(ActivityObject):
     firstPublishedDate: str = ""
     publishedDate: str = ""
 
-    openlibraryKey: str = None
-    inventaireId: str = None
-    librarythingKey: str = None
-    goodreadsKey: str = None
-
     cover: Image = None
     type: str = "Book"
 
@@ -61,17 +66,16 @@ class Work(Book):
 
 
 @dataclass(init=False)
-class Author(ActivityObject):
+class Author(BookData):
     """ author of a book """
 
     name: str
+    isni: str = None
+    viafId: str = None
+    gutenbergId: str = None
     born: str = None
     died: str = None
     aliases: List[str] = field(default_factory=lambda: [])
     bio: str = ""
-    openlibraryKey: str = None
-    inventaireId: str = None
-    librarythingKey: str = None
-    goodreadsKey: str = None
     wikipediaLink: str = ""
     type: str = "Author"