def update_template(template, title, data, is_clonable, backside_template_id=None, clear_background=False):
"""Update an existing template.
:param template: The template to be updated
:param title: An `EventType` value
:param data: A dict containing the template data (width, height, items, etc)
:param is_clonable: Whether it is possible to clone this template
:param backside_template_id: The ID of the template used as a backside
:param clear_background: Whether to remove the background image of the
template
"""
if template.data['width'] != data['width'] or template.data['height'] != data['height']:
query = DesignerTemplate.query.filter(DesignerTemplate.backside_template == template)
for tpl in query:
tpl.backside_template = None
if tpl.event:
tpl.event.log(EventLogRealm.event, EventLogKind.negative, 'Designer', 'Backside removed',
session.user, data={'Template': tpl.title,
'Reason': 'Dimensions of backside changed',
'Backside': template.title})
template.title = title
template.data = dict({'background_position': 'stretch', 'items': []}, **data)
template.backside_template = DesignerTemplate.get(backside_template_id) if backside_template_id else None
template.is_clonable = is_clonable
if clear_background:
template.background_image = None
if template.event:
template.event.log(EventLogRealm.event, EventLogKind.positive, 'Designer', 'Badge template updated',
session.user, data={'Template': template.title})
def to_python(value):
return DesignerTemplate.get(value)
