def get_context_data(self, **kwargs):
ret = super(CatalogPricingGroup, self).get_context_data(**kwargs)
try:
group = PricingGroup.objects.get(
name=self.group_name,
date=self.date,
)
except PricingGroup.DoesNotExist:
group = None
else:
variables = group.pricingvariable_set.order_by('name')
if self.variables_formset is None:
self.variables_formset = PricingVariableFormSet(
queryset=variables,
prefix='variables',
)
if self.device_form is None:
self.device_form = PricingDeviceForm()
if self.devices is None:
self.devices = self.get_devices(group, variables)
if self.formulas_formset is None:
self.formulas_formset = PricingFormulaFormSet(
group,
queryset=group.pricingformula_set.all(),
prefix='formulas',
)
ret.update({
'devices': self.devices,
'variablesformset': self.variables_formset,
'deviceform': self.device_form,
'formulasformset': self.formulas_formset,
'group': group,
})
return ret
def handle_values_form(self, *args, **kwargs):
self.parse_args()
group = get_object_or_404(
PricingGroup,
name=self.group_name,
date=self.date,
)
self.variables_formset = PricingVariableFormSet(
self.request.POST,
queryset=group.pricingvariable_set.all(),
prefix='variables',
)
self.device_form = PricingDeviceForm(self.request.POST)
variables = group.pricingvariable_set.order_by('name')
self.devices = self.get_devices(group, variables, self.request.POST)
values_formsets = [d.formset for d in self.devices]
if not all([
self.variables_formset.is_valid(),
self.device_form.is_valid(),
all(fs.is_valid() for fs in values_formsets),
]):
messages.error(self.request, "Errors in the variables form.")
return self.get(*args, **kwargs)
for device in self.devices:
device.formset.save()
for name in self.request.POST:
if name.startswith('device-delete-'):
device_id = int(name[len('device-delete-'):])
device = get_object_or_404(Device, id=device_id)
group.devices.remove(device)
device.pricingvalue_set.filter(variable__group=group).delete()
group.save()
for form in self.variables_formset.extra_forms:
if form.has_changed():
form.instance.group = group
self.variables_formset.save()
for form in self.variables_formset.extra_forms:
if form.has_changed():
for device in self.devices:
value = PricingValue(
device=device,
variable=form.instance,
value=0,
)
value.save()
device = self.device_form.cleaned_data['device']
if device:
if group.devices.filter(id=device.id).exists():
messages.warning(
self.request,
"Device %s is already in group %s." % (
device.name,
group.name,
),
)
else:
group.devices.add(device)
group.save()
for variable in variables.all():
value = PricingValue(
device=device,
variable=variable,
value=0,
)
value.save()
messages.success(
self.request,
"Device %s added to group %s." % (device.name, group.name),
)
messages.success(self.request, "Group %s saved." % group.name)
return HttpResponseRedirect(self.request.path)