54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
from __future__ import absolute_import
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from ast import literal_eval
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from django.db import models
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from .settings import RECENT_COUNT
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class DocumentPageTransformationManager(models.Manager):
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def get_for_document_page(self, document_page):
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return self.model.objects.filter(document_page=document_page)
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def get_for_document_page_as_list(self, document_page):
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warnings = []
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transformations = []
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for transformation in self.get_for_document_page(document_page).values('transformation', 'arguments'):
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try:
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transformations.append(
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{
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'transformation': transformation['transformation'],
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'arguments': literal_eval(transformation['arguments'].strip())
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}
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)
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except (ValueError, SyntaxError) as exception:
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warnings.append(exception)
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return transformations, warnings
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class RecentDocumentManager(models.Manager):
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def add_document_for_user(self, user, document):
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if user.is_authenticated():
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new_recent, created = self.model.objects.get_or_create(user=user, document=document)
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if not created:
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# document already in the recent list, just save to force
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# accessed date and time update
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new_recent.save()
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for recent_to_delete in self.model.objects.filter(user=user)[RECENT_COUNT:]:
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recent_to_delete.delete()
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def get_for_user(self, user):
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document_model = models.get_model('documents', 'document')
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if user.is_authenticated():
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return document_model.objects.filter(recentdocument__user=user).order_by('-recentdocument__datetime_accessed')
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else:
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return document_model.objects.none()
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class DocumentTypeManager(models.Manager):
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def get_by_natural_key(self, name):
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return self.get(name=name)
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