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Remove usage od MetadataClass and simplify smartlink query building

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This commit is contained in:
Roberto Rosario
2014-11-11 03:00:34 -04:00
parent 4882f0558d
commit 78ff496143
1 changed files with 14 additions and 36 deletions
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50
mayan/apps/linking/managers.py
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@@ -4,21 +4,17 @@ from django.db import models
from django.db.models import Q
from documents.models import Document
from metadata.classes import MetadataClass
from .literals import INCLUSION_AND, INCLUSION_OR
class SmartLinkManager(models.Manager):
def get_smart_link_instances_for(self, document, smart_link_obj=None):
def get_for(self, document, smart_link_obj=None):
errors = []
result = {}
metadata_dict = {}
for document_metadata in document.metadata.all():
for document_metadata in document.document_metadata.all():
metadata_dict[document_metadata.metadata_type.name] = document_metadata.value
eval_dict = {}
eval_dict['document'] = document
eval_dict['metadata'] = MetadataClass(metadata_dict)
smart_link_qs = self.model.objects.filter(enabled=True)
@@ -30,36 +26,18 @@ class SmartLinkManager(models.Manager):
for smart_link in smart_link_qs:
total_query = Q()
for condition in smart_link.smartlinkcondition_set.filter(enabled=True):
cls, attribute = condition.foreign_document_data.lower().split(u'.')
try:
if cls == u'metadata':
value_query = Q(**{'metadata__value__%s' % condition.operator: eval(condition.expression, eval_dict)})
if condition.negated:
query = (Q(metadata__metadata_type__name=attribute) & ~value_query)
else:
query = (Q(metadata__metadata_type__name=attribute) & value_query)
if condition.inclusion == INCLUSION_AND:
total_query &= query
elif condition.inclusion == INCLUSION_OR:
total_query |= query
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
elif cls == u'document':
value_query = Q(**{
'%s__%s' % (attribute, condition.operator): eval(condition.expression, eval_dict)
})
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
except Exception as exception:
errors.append(exception)
value_query = Q()
query = Q()
if total_query:
try:
document_qs = Document.objects.filter(total_query)
@@ -72,7 +50,7 @@ class SmartLinkManager(models.Manager):
if smart_link.dynamic_title:
try:
result[smart_link]['title'] = eval(smart_link.dynamic_title, eval_dict)
result[smart_link]['title'] = eval(smart_link.dynamic_title, {'document': document})
except Exception as exception:
result[smart_link]['title'] = 'Error; %s' % exception
else: