refactor converter

- split book class into html-preprocessor, json-converter, book(with main flow) classes.
- pick out logging, law carta setup, updating status via api into separate objects
- in html-preprocesser: add cleaning hrefs

src/consumer.py

@@ -15,7 +15,7 @@ from book import Book
 
 def configure_file_logger(name, filename='logs/converter_log.log', filemode='w+',
                           logging_level=logging.INFO,
-                          logging_format='%(asctime)s - %(message)s'):
+                          logging_format='%(asctime)s - %(levelname)s - %(message)s'):
     logger = logging.getLogger(name)
 
     folder_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ -32,11 +32,10 @@ def configure_file_logger(name, filename='logs/converter_log.log', filemode='w+'
 
 def convert_book(book_id, access, logger, libra_locker):
     logger.info(f'Start processing book-{book_id}.')
-    logging_format = '%(asctime)s - %(levelname)s - %(message)s'
 
     try:
         book = Book(book_id, access, main_logger=logger, libra_locker=libra_locker)
-        book.conversion(logging_format=logging_format)
+        book.conversion()
     except Exception as exc:
         raise exc
 
@@ -105,7 +104,7 @@ def local_run(books):
 
 
 def server_run():
-    logger = configure_file_logger('consumer', logging_format='%(asctime)s - %(levelname)s - %(message)s')
+    logger = configure_file_logger('consumer')
 
     folder_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
     config_path = Path(os.path.join(folder_path, "config/queue_config.json"))