def move(self, queryset, direction):
try:
if direction in ['left', 'up', 'previous', 'back']:
swappee, unused = get_previous_and_next(queryset, self)
elif direction in ['right', 'down', 'next', 'forward']:
unused, swappee = get_previous_and_next(queryset, self)
else:
raise AssertionError(f'Invalid direction: {direction}')
except self.__class__.DoesNotExist:
raise IndexError(f'Cannot go {direction} from here')
if self.order == swappee.order:
raise ValueError(f'Unable to swap because {self} and {swappee} have same order: {self.order}')
self.order, swappee.order = swappee.order, self.order
self.save()
swappee.save()
def move(self, queryset, direction):
try:
if direction in ['left', 'up', 'previous', 'back']:
swappee, unused = get_previous_and_next(queryset, self)
elif direction in ['right', 'down', 'next', 'forward']:
unused, swappee = get_previous_and_next(queryset, self)
else:
raise AssertionError(f'Invalid direction: {direction}')
except self.__class__.DoesNotExist:
raise IndexError(f'Cannot go {direction} from here')
if self.order == swappee.order:
raise ValueError(
f'Unable to swap because {self} and {swappee} have same order: {self.order}'
)
self.order, swappee.order = swappee.order, self.order
self.save()
swappee.save()
def get_previous_and_next_signup(self):
queryset = self.event.signup_set.order_by('person__surname',
'person__first_name',
'id').all()
return get_previous_and_next(queryset, self)
def get_previous_and_next_signup(self):
queryset = self.event.signup_set.order_by('person__surname', 'person__first_name', 'id').all()
return get_previous_and_next(queryset, self)
def get_previous_and_next_programme(self):
queryset = ProgrammeManagementProxy.objects.filter(category__event=self.category.event).order_by('title')
return get_previous_and_next(queryset, self)
def get_previous_and_next_programme(self):
queryset = ProgrammeManagementProxy.objects.filter(category__event=self.category.event).order_by('title')
return get_previous_and_next(queryset, self)
