24 lines
782 B
Python
24 lines
782 B
Python
from django.db import transaction
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from django.db.models.signals import post_delete, post_save
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from django.dispatch import receiver
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from .models import Task, TaskAttachment
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@receiver(post_save, sender=Task)
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def ensure_task_core_participants(sender, instance, **kwargs):
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participant_ids = [instance.created_by_id]
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if instance.assignee_id:
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participant_ids.append(instance.assignee_id)
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instance.participants.add(*participant_ids)
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@receiver(post_delete, sender=TaskAttachment)
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def delete_task_attachment_file(sender, instance, **kwargs):
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if not instance.file or not instance.file.name:
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return
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storage = instance.file.storage
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name = instance.file.name
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transaction.on_commit(lambda: storage.delete(name) if storage.exists(name) else None)
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