def validate_venues(action, data, context, container):
"""A venue can only be booked for one sitting at once."""
errors = []
if interfaces.ISitting.providedBy(context):
sitting = context
else:
sitting = None
venue_id = data.get('venue_id')
if venue_id is not None:
venue_id = long(venue_id)
session = Session()
svenue = session.query(domain.Venue).get(venue_id)
else:
return []
start = data.get('start_date')
end = data.get('end_date')
if not(start and end):
return []
for booking in venue.check_venue_bookings( start, end, svenue, sitting):
errors.append(
interface.Invalid(
_(u'Venue "$venue" already booked in this time slot',
mapping={'venue': booking.short_name}),
"venue_id"))
return errors
def validate_venues(action, data, context, container):
"""A venue can only be booked for one sitting at once."""
errors = []
if interfaces.IGroupSitting.providedBy(context):
sitting = context
else:
sitting = None
venue_id = data.get('venue_id')
if venue_id is not None:
venue_id = long(venue_id)
session = Session()
svenue = session.query(domain.Venue).get(venue_id)
else:
return []
start = data.get('start_date')
end = data.get('end_date')
if not (start and end):
return []
for booking in venue.check_venue_bookings(start, end, svenue, sitting):
errors.append(
interface.Invalid(
_(u'Venue "$venue" already booked in this time slot',
mapping={'venue': booking.short_name}), "venue_id"))
return errors
