98 lines
3.7 KiB
Python
98 lines
3.7 KiB
Python
from __future__ import unicode_literals
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from datetime import timedelta
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import logging
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from django.contrib.auth.models import User
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from django.core.files import File
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from django.utils.timezone import now
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from mayan.celery import app
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from common.models import SharedUploadedFile
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from .models import (
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DeletedDocument, Document, DocumentPage, DocumentType, DocumentVersion
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)
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logger = logging.getLogger(__name__)
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@app.task(compression='zlib')
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def task_get_document_page_image(document_page_id, *args, **kwargs):
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document_page = DocumentPage.objects.get(pk=document_page_id)
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return document_page.get_image(*args, **kwargs)
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@app.task(ignore_result=True)
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def task_clear_image_cache():
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logger.info('Starting document cache invalidation')
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# TODO: Notification of success and of errors
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Document.objects.invalidate_cache()
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logger.info('Finished document cache invalidation')
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@app.task(ignore_result=True)
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def task_update_page_count(version_id):
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document_version = DocumentVersion.objects.get(pk=version_id)
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document_version.update_page_count()
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@app.task(ignore_result=True)
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def task_upload_new_version(document_id, shared_uploaded_file_id, user_id, comment=None):
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document = Document.objects.get(pk=document_id)
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shared_file = SharedUploadedFile.objects.get(pk=shared_uploaded_file_id)
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if user_id:
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user = User.objects.get(pk=user_id)
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else:
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user = None
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with shared_file.open() as file_object:
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try:
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document_version = DocumentVersion(document=document, comment=comment or '', file=file_object)
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document_version.save(_user=user)
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except Warning as warning:
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logger.info('Warning during attempt to create new document version for document:%s ; %s', document, warning)
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finally:
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shared_file.delete()
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@app.task(ignore_result=True)
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def task_check_trash_periods():
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logger.info('Executing')
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for document_type in DocumentType.objects.all():
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logger.info('Checking trash period of document type: %s', document_type)
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if document_type.trash_time_period and document_type.trash_time_unit:
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delta = timedelta(**{document_type.trash_time_unit: document_type.trash_time_period})
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logger.info('Document type: %s, has a trash period delta of: %s', document_type, delta)
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for document in Document.objects.filter(document_type=document_type):
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if now() > document.date_added + delta:
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logger.info('Document "%s" with id: %d, added on: %s, exceded trash period', document, document.pk, document.date_added)
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document.delete()
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else:
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logger.info('Document type: %s, has a no retention delta', document_type)
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logger.info('Finshed')
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@app.task(ignore_result=True)
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def task_check_delete_periods():
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logger.info('Executing')
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for document_type in DocumentType.objects.all():
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logger.info('Checking deletion period of document type: %s', document_type)
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if document_type.delete_time_period and document_type.delete_time_unit:
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delta = timedelta(**{document_type.delete_time_unit: document_type.delete_time_period})
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logger.info('Document type: %s, has a deletion period delta of: %s', document_type, delta)
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for document in DeletedDocument.objects.filter(document_type=document_type):
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if now() > document.deleted_date_time + delta:
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logger.info('Document "%s" with id: %d, trashed on: %s, exceded delete period', document, document.pk, document.deleted_date_time)
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document.delete()
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else:
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logger.info('Document type: %s, has a no retention delta', document_type)
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logger.info('Finshed')
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