disable adding new languages

ki/handlers/update_profile.py

@@ -30,16 +30,10 @@ def update_languages(profile, languages_data):
     profile_language_ids = []
 
     for language_data in languages_data:
-        if "id" in language_data["language"]:
+        if "id" not in language_data["language"]:
+            continue
+
         language = Language.query.get(language_data["language"]["id"])
-        else:
-            language_name = language_data["language"]["name"]
-            language = Language.query.filter(Language.name == language_name).first()
-
-            if language is None:
-                language = Language(id=language_name, name=language_name)
-                db.session.add(language)
-
         profile_language = ProfileLanguage.query.filter(ProfileLanguage.profile == profile,
                                                         ProfileLanguage.language == language).first()
 
@@ -150,7 +144,7 @@ def update_profile(user_id: int):
     try:
         availability_hours_per_week = int(availability_hours_per_week_raw)
     except:
-        availability_hours_per_week = 0
+        availability_hours_per_week = None
 
     profile.availability_hours_per_week = availability_hours_per_week