def services(self, request, pk=None):
settings = models.ServiceSettings.objects.get(id=pk)
projects = {}
spl_model = SupportedServices.get_related_models(
settings)['service_project_link']
for spl in spl_model.objects.filter(service__settings=settings):
projects.setdefault(
spl.project.id,
{
'name': str(spl.project),
'url': get_admin_url(spl.project),
'services': [],
},
)
projects[spl.project.id]['services'].append({
'name':
str(spl.service),
'url':
get_admin_url(spl.service),
})
return render(
request,
'structure/service_settings_entities.html',
{'projects': projects.values()},
)
def clean(self):
if not self.service:
raise ValidationError(_('Service is not defined.'))
if SupportedServices.is_public_service(self.service):
raise ValidationError(_('Public service does not support price list items.'))
resource = self.default_price_list_item.resource_content_type.model_class()
valid_resources = SupportedServices.get_related_models(self.service)['resources']
if resource not in valid_resources:
raise ValidationError(_('Service does not support required content type.'))
def get_queryset(self):
queryset = models.DefaultPriceListItem.objects.all()
service = self._find_service()
if service:
# Filter items by resource type
resources = SupportedServices.get_related_models(service)['resources']
content_types = ContentType.objects.get_for_models(*resources).values()
queryset = queryset.filter(resource_content_type__in=content_types)
# Attach service-specific items
price_list_items = models.PriceListItem.objects.filter(service=service)
prefetch = Prefetch('pricelistitem_set', queryset=price_list_items, to_attr='service_item')
queryset = queryset.prefetch_related(prefetch)
return queryset
def get_spl_model(self):
"""
Get service project link model used by resource model using service registry.
"""
return SupportedServices.get_related_models(
self.get_resource_model())['service_project_link']
def get_service_model(self, offering_type):
resource_model = self.get_resource_model(offering_type)
return SupportedServices.get_related_models(resource_model)['service']