49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
from django.utils.translation import ugettext_lazy as _
|
|
|
|
from .models import DocumentTypeMetadataType, MetadataType
|
|
|
|
|
|
class DocumentTypeMetadataTypeHelper(object):
|
|
@staticmethod
|
|
@property
|
|
def constructor(source_object):
|
|
return DocumentTypeMetadataTypeHelper(source_object)
|
|
|
|
def __init__(self, instance):
|
|
self.instance = instance
|
|
|
|
def filter(self, **kwargs):
|
|
return self.get_query_set(**kwargs)
|
|
|
|
def all(self):
|
|
return self.get_query_set()
|
|
|
|
def get_query_set(self, **kwargs):
|
|
try:
|
|
return MetadataType.objects.filter(pk__in=self.instance.documenttypemetadatatype_set.filter(**kwargs).values_list('metadata_type', flat=True))
|
|
except MetadataType.DoesNotExist:
|
|
return MetadataType.objects.none()
|
|
|
|
def add(self, metadata_type, required=False):
|
|
DocumentTypeMetadataType.objects.create(document_type=self.instance, metadata_type=metadata_type, required=required)
|
|
|
|
def remove(self, metadata_type):
|
|
DocumentTypeMetadataType.objects.get(document_type=self.instance, metadata_type=metadata_type).delete()
|
|
|
|
|
|
class DocumentMetadataHelper(object):
|
|
@staticmethod
|
|
@property
|
|
def constructor(source_object):
|
|
return DocumentMetadataHelper(source_object)
|
|
|
|
def __init__(self, instance):
|
|
self.instance = instance
|
|
|
|
def __getattr__(self, name):
|
|
try:
|
|
return self.instance.metadata.get(metadata_type__name=name).value
|
|
except MetadataType.DoesNotExist:
|
|
raise AttributeError(_(u'\'metadata\' object has no attribute \'%s\'') % name)
|
|
|