Files
mayan-edms/mayan/apps/metadata/managers.py
Roberto Rosario 8b9e605e0b When changing document types, don't delete the old metadata that is
also found in the new document type. GitLab issue #421.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
2017-08-24 19:44:08 -04:00

37 lines
1018 B
Python

from __future__ import unicode_literals
from django.apps import apps
from django.db import models
class MetadataTypeManager(models.Manager):
def get_by_natural_key(self, name):
return self.get(name=name)
def get_for_document(self, document):
return self.filter(
pk__in=document.metadata.values_list(
'metadata_type', flat=True
)
)
def get_for_document_type(self, document_type):
return self.filter(
pk__in=document_type.metadata.values_list(
'metadata_type', flat=True
)
)
class DocumentTypeMetadataTypeManager(models.Manager):
def get_metadata_types_for(self, document_type):
DocumentType = apps.get_model(
app_label='metadata', model_name='MetadataType'
)
return DocumentType.objects.filter(
pk__in=self.filter(
document_type=document_type
).values_list('metadata_type__pk', flat=True)
)