code: def get_documents_in_database(self, with_id=True):
          
          documents = []
          for coll in self.get_collection_names():
              documents += self.get_documents_in_collection(
                  coll,
                  with_id=with_id
              )
  
          return documents
docs: Gets all documents in database
  
          :param with_id: True iff each document should also come with its id
          :return: List of documents in collection in database