Moved common check to function

Author: mrsaicharan1

app/api/tickets.py

@@ -22,6 +22,8 @@
 
 
 def validate_ticket_price(ticket_type, price):
+    if not data.get('price') and data.get('type'):
+        raise UnprocessableEntity({}, "Type/price of ticket is missing")
     if ticket_type != 'free' and int(price) <= 0:
         raise UnprocessableEntity(
             {'price': price}, "Price of a paid/donation ticket must be greater than zero")
@@ -189,8 +191,7 @@ def before_update_object(self, ticket, data, view_kwargs):
             if not event.is_payment_enabled():
                 raise UnprocessableEntity(
                     {'event_id': ticket.event.id}, "Event having paid ticket must have a payment method")
-        if data.get('price') and data.get('type'):
-            validate_ticket_price(data.get('type'), data.get('price'))
+        validate_ticket_price(data.get('type'), data.get('price'))
 
     decorators = (api.has_permission('is_coorganizer', fetch='event_id',
                   fetch_as="event_id", model=Ticket, methods="PATCH,DELETE"),)