Add documentation for dbc.utils

server/app/database/controller/utils.py

+"""
+This file contains some miscellaneous functionality.
+"""
+
 from app.core import db
 from app.core.codes import generate_code_string
 from app.database.models import Code
 
 
 def generate_unique_code():
+    """ Generates a unique competition code. """
+
     code = generate_code_string()
     while db.session.query(Code).filter(Code.code == code).count():
         code = generate_code_string()
@@ -11,13 +17,19 @@ def generate_unique_code():
 
 
 def commit_and_refresh(item):
+    """ Commits and refreshes the provided item. """
+
     db.session.commit()
     db.session.refresh(item)
 
 
 def refresh(item):
+    """ Refreshes the provided item. """
+
     db.session.refresh(item)
 
 
 def commit(item):
+    """ Commits. """
+
     db.session.commit()