Load author data with fedireads connector

fedireads/connectors/abstract_connector.py

@@ -79,9 +79,30 @@ class AbstractConnector(ABC):
         ''' simple function to save data to a book '''
         update_from_mappings(book, data, self.book_mappings)
         book.save()
+
+        authors = self.get_authors_from_data(data)
+        for author in authors:
+            book.authors.add(author)
+        if authors:
+            book.author_text = ', '.join(a.name for a in authors)
+            book.save()
+
+        cover = self.get_cover_from_data(data)
+        if cover:
+            book.cover.save(*cover, save=True)
         return book
 
 
+    @abstractmethod
+    def get_authors_from_data(self, data):
+        ''' load author data '''
+
+
+    @abstractmethod
+    def get_cover_from_data(self, data):
+        ''' load cover '''
+
+
     @abstractmethod
     def parse_search_data(self, data):
         ''' turn the result json from a search into a list '''