def itemvar_forms(self):
se_item_instances = {
sei.item_id: sei
for sei in SubEventItem.objects.filter(subevent=self.object)
}
se_var_instances = {
sei.variation_id: sei
for sei in SubEventItemVariation.objects.filter(
subevent=self.object)
}
if self.copy_from:
se_item_instances = {
sei.item_id: SubEventItem(item=sei.item,
price=sei.price,
disabled=sei.disabled)
for sei in SubEventItem.objects.filter(
subevent=self.copy_from).select_related('item')
}
se_var_instances = {
sei.variation_id:
SubEventItemVariation(variation=sei.variation,
price=sei.price,
disabled=sei.disabled)
for sei in SubEventItemVariation.objects.filter(
subevent=self.copy_from).select_related('variation')
}
formlist = []
for i in self.request.event.items.filter(
active=True).prefetch_related('variations'):
if i.has_variations:
for v in i.variations.all():
inst = se_var_instances.get(v.pk) or SubEventItemVariation(
subevent=self.object, variation=v)
formlist.append(
SubEventItemVariationForm(
prefix='itemvar-{}'.format(v.pk),
item=i,
variation=v,
instance=inst,
data=(self.request.POST
if self.request.method == "POST" else None)))
else:
inst = se_item_instances.get(i.pk) or SubEventItem(
subevent=self.object, item=i)
formlist.append(
SubEventItemForm(
prefix='item-{}'.format(i.pk),
item=i,
instance=inst,
data=(self.request.POST
if self.request.method == "POST" else None)))
return formlist
def update(self, instance, validated_data):
item_price_overrides_data = validated_data.pop(
'subeventitem_set'
) if 'subeventitem_set' in validated_data else {}
variation_price_overrides_data = validated_data.pop(
'subeventitemvariation_set'
) if 'subeventitemvariation_set' in validated_data else {}
meta_data = validated_data.pop('meta_data', None)
subevent = super().update(instance, validated_data)
existing_item_overrides = {
item.item: item.id
for item in SubEventItem.objects.filter(subevent=subevent)
}
for item_price_override_data in item_price_overrides_data:
id = existing_item_overrides.pop(item_price_override_data['item'],
None)
SubEventItem(id=id, subevent=subevent,
**item_price_override_data).save()
SubEventItem.objects.filter(
id__in=existing_item_overrides.values()).delete()
existing_variation_overrides = {
item.variation: item.id
for item in SubEventItemVariation.objects.filter(subevent=subevent)
}
for variation_price_override_data in variation_price_overrides_data:
id = existing_variation_overrides.pop(
variation_price_override_data['variation'], None)
SubEventItemVariation(id=id,
subevent=subevent,
**variation_price_override_data).save()
SubEventItemVariation.objects.filter(
id__in=existing_variation_overrides.values()).delete()
# Meta data
if meta_data is not None:
current = {
mv.property: mv
for mv in subevent.meta_values.select_related('property')
}
for key, value in meta_data.items():
prop = self.meta_properties.get(key)
if prop in current:
current[prop].value = value
current[prop].save()
else:
subevent.meta_values.create(
property=self.meta_properties.get(key), value=value)
for prop, current_object in current.items():
if prop.name not in meta_data:
current_object.delete()
return subevent
def update(self, instance, validated_data):
item_price_overrides_data = validated_data.pop('subeventitem_set', None)
variation_price_overrides_data = validated_data.pop('subeventitemvariation_set', None)
meta_data = validated_data.pop('meta_data', None)
seat_category_mapping = validated_data.pop('seat_category_mapping', None)
subevent = super().update(instance, validated_data)
if item_price_overrides_data is not None:
existing_item_overrides = {item.item: item.id for item in SubEventItem.objects.filter(subevent=subevent)}
for item_price_override_data in item_price_overrides_data:
id = existing_item_overrides.pop(item_price_override_data['item'], None)
SubEventItem(id=id, subevent=subevent, **item_price_override_data).save()
SubEventItem.objects.filter(id__in=existing_item_overrides.values()).delete()
if variation_price_overrides_data is not None:
existing_variation_overrides = {item.variation: item.id for item in SubEventItemVariation.objects.filter(subevent=subevent)}
for variation_price_override_data in variation_price_overrides_data:
id = existing_variation_overrides.pop(variation_price_override_data['variation'], None)
SubEventItemVariation(id=id, subevent=subevent, **variation_price_override_data).save()
SubEventItemVariation.objects.filter(id__in=existing_variation_overrides.values()).delete()
# Meta data
if meta_data is not None:
current = {mv.property: mv for mv in subevent.meta_values.select_related('property')}
for key, value in meta_data.items():
if key not in self.ignored_meta_properties:
prop = self.meta_properties.get(key)
if prop in current:
current[prop].value = value
current[prop].save()
else:
subevent.meta_values.create(
property=self.meta_properties.get(key),
value=value
)
for prop, current_object in current.items():
if prop.name not in self.ignored_meta_properties:
if prop.name not in meta_data:
current_object.delete()
# Seats
if seat_category_mapping is not None or ('seating_plan' in validated_data and validated_data['seating_plan'] is None):
current_mappings = {
m.layout_category: m
for m in self.context['request'].event.seat_category_mappings.filter(subevent=subevent)
}
if not subevent.seating_plan:
seat_category_mapping = {}
for key, value in seat_category_mapping.items():
if key in current_mappings:
m = current_mappings.pop(key)
m.product = value
m.save()
else:
self.context['request'].event.seat_category_mappings.create(
product=value, layout_category=key, subevent=subevent
)
for m in current_mappings.values():
m.delete()
if 'seating_plan' in validated_data or seat_category_mapping is not None:
generate_seats(self.context['request'].event, subevent, subevent.seating_plan, {
m.layout_category: m.product
for m in self.context['request'].event.seat_category_mappings.select_related('product').filter(subevent=subevent)
})
return subevent
