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Simplify and optimize smart linking code and views, remove now unused LINKING_SHOW_EMPTY_SMART_LINKS configuration setting (issue #56)

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Roberto Rosario
2014-11-11 19:41:19 -04:00
parent c0ea3276a3
commit bf4175b263
13 changed files with 100 additions and 250 deletions
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57
mayan/apps/linking/managers.py
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@@ -1,61 +1,10 @@
from __future__ import absolute_import
from django.db import models
from django.db.models import Q
from documents.models import Document
from .literals import INCLUSION_AND, INCLUSION_OR
from .classes import ResolvedSmartLink
class SmartLinkManager(models.Manager):
def get_for(self, document, smart_link_obj=None):
errors = []
result = {}
smart_link_qs = self.model.objects.filter(enabled=True)
if smart_link_obj:
smart_link_qs = smart_link_qs.filter(pk=smart_link_obj.pk)
smart_link_qs = smart_link_qs.filter(document_types=document.document_type)
for smart_link in smart_link_qs:
total_query = Q()
for condition in smart_link.smartlinkcondition_set.filter(enabled=True):
value_query = Q(**{
'%s__%s' % (condition.foreign_document_data, condition.operator): eval(condition.expression, {'document': document})
})
if condition.negated:
query = ~value_query
else:
query = value_query
if condition.inclusion == INCLUSION_AND:
total_query &= query
elif condition.inclusion == INCLUSION_OR:
total_query |= query
if total_query:
try:
document_qs = Document.objects.filter(total_query)
result[smart_link] = {'documents': document_qs.order_by('date_added') or []}
except Exception as exception:
result[smart_link] = {'documents': []}
errors.append(exception)
else:
result[smart_link] = {'documents': []}
if smart_link.dynamic_title:
try:
result[smart_link]['title'] = eval(smart_link.dynamic_title, {'document': document})
except Exception as exception:
result[smart_link]['title'] = 'Error; %s' % exception
else:
result[smart_link]['title'] = smart_link.title
if smart_link_obj:
# Return a single group if documents even if there were
# many matches
return result[smart_link_obj], errors
return result, errors
def get_for(self, document):
return [ResolvedSmartLink(smart_link=smart_link, queryset=smart_link.get_linked_document_for(document)) for smart_link in self.filter(enabled=True).filter(document_types=document.document_type)]