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Enhancement: auto-update document filenames with CF select fields (#8045)

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shamoon 2024-10-27 16:45:21 -07:00 • committed by GitHub
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15
src/documents/signals/handlers.py
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@ -29,6 +29,7 @@ from documents.data_models import DocumentMetadataOverrides
from documents.file_handling import create_source_path_directory
from documents.file_handling import delete_empty_directories
from documents.file_handling import generate_unique_filename
from documents.models import CustomField
from documents.models import CustomFieldInstance
from documents.models import Document
from documents.models import MatchingModel
@ -364,6 +365,20 @@ class CannotMoveFilesException(Exception):
pass
@receiver(models.signals.post_save, sender=CustomField)
def update_cf_instance_documents(sender, instance: CustomField, **kwargs):
"""
'Select' custom field instances get their end-user value (e.g. in file names) from the select_options in extra_data,
which is contained in the custom field itself. So when the field is changed, we (may) need to update the file names
of all documents that have this custom field.
"""
if (
instance.data_type == CustomField.FieldDataType.SELECT
): # Only select fields, for now
for cf_instance in instance.fields.all():
update_filename_and_move_files(sender, cf_instance)
@receiver(models.signals.post_save, sender=CustomFieldInstance)
@receiver(models.signals.m2m_changed, sender=Document.tags.through)
@receiver(models.signals.post_save, sender=Document)