Files
mayan-edms/apps/dynamic_search/__init__.py
2012-05-23 01:19:45 -04:00

65 lines
2.4 KiB
Python

from __future__ import absolute_import
import logging
from django.utils.translation import ugettext_lazy as _
from django.dispatch import receiver
from django.core.management import call_command
from navigation.api import register_sidebar_template, bind_links, Link
from documents.models import Document
from scheduler.runtime import scheduler
from signaler.signals import post_update_index, pre_update_index
from scheduler.api import register_interval_job
from lock_manager import Lock, LockError
from .models import IndexableObject
from .conf.settings import INDEX_UPDATE_INTERVAL
logger = logging.getLogger(__name__)
search = Link(text=_(u'search'), view='search', sprite='zoom')
search_advanced = Link(text=_(u'advanced search'), view='search_advanced', sprite='zoom_in')
search_again = Link(text=_(u'search again'), view='search_again', sprite='arrow_undo')
register_sidebar_template(['search'], 'search_help.html')
register_sidebar_template(['search'], 'recent_searches.html')
Document.add_to_class('mark_indexable', lambda obj: IndexableObject.objects.mark_indexable(obj))
@receiver(pre_update_index, dispatch_uid='scheduler_shutdown_pre_update_index')
def scheduler_shutdown_pre_update_index(sender, mayan_runtime, **kwargs):
logger.debug('Scheduler shut down on pre update index signal')
logger.debug('Runtime variable: %s' % mayan_runtime)
# Only shutdown the scheduler if the command is called from the command
# line
if not mayan_runtime:
scheduler.shutdown()
def search_index_update():
lock_id = u'search_index_update'
try:
logger.debug('trying to acquire lock: %s' % lock_id)
lock = Lock.acquire_lock(lock_id)
logger.debug('acquired lock: %s' % lock_id)
logger.debug('Executing haystack\'s index update command')
call_command('update_index', '--mayan_runtime')
lock.release()
except LockError:
logger.debug('unable to obtain lock')
pass
except Exception, instance:
logger.debug('Unhandled exception: %s' % instance)
lock.release()
pass
bind_links(['search', 'search_advanced', 'results'], [search], menu_name='form_header')
bind_links(['results'], [search_again], menu_name='sidebar')
register_interval_job('search_index_update', _(u'Update the search index with the most recent modified documents.'), search_index_update, seconds=INDEX_UPDATE_INTERVAL)