Search: manage complex queries - Find search: loan status

1 files changed, 21 insertions, 1 deletions

diff --git a/archaeological_finds/models_finds.py b/archaeological_finds/models_finds.py
index ee6253109..08fb15f0e 100644
--- a/archaeological_finds/models_finds.py
+++ b/archaeological_finds/models_finds.py
@@ -23,7 +23,7 @@ from django.conf import settings
 from django.contrib.gis.db import models
 from django.core.urlresolvers import reverse
 from django.db import connection
-from django.db.models import Max, Q
+from django.db.models import Max, Q, F
 from django.db.models.signals import m2m_changed, post_save, post_delete, \
     pre_delete
 from django.core.exceptions import ObjectDoesNotExist
@@ -668,6 +668,20 @@ class FBulkView(object):
     """
 
 
+def query_loan(is_true=True):
+    """
+    Query to get loan find
+
+    :return: (filter, exclude, extra)
+    """
+    if is_true:
+        return Q(container_ref__isnull=False, container__isnull=False), \
+               Q(container_ref=F('container')), None
+    else:
+        return Q(container_ref__isnull=False, container__isnull=False,
+                 container_ref=F('container')), None, None
+
+
 class Find(BulkUpdatedItem, ValueGetter, BaseHistorizedItem, OwnPerms,
            MainItem):
     EXTERNAL_ID_KEY = 'find_external_id'
@@ -954,6 +968,10 @@ class Find(BulkUpdatedItem, ValueGetter, BaseHistorizedItem, OwnPerms,
             pgettext_lazy("key for text search", u"created-by"),
             'history_creator__ishtaruser__person__cached_label__iexact'
         ),
+        'loan': (
+            pgettext_lazy("key for text search", u"loan"),
+            query_loan
+        )
     }
     for v in ALT_NAMES.values():
         for language_code, language_lbl in settings.LANGUAGES:
@@ -961,6 +979,8 @@ class Find(BulkUpdatedItem, ValueGetter, BaseHistorizedItem, OwnPerms,
             EXTRA_REQUEST_KEYS[unicode(v[0])] = v[1]
             deactivate()
 
+    EXTRA_REQUEST_FUNC = {""}
+
     PARENT_SEARCH_VECTORS = ['base_finds']
     BASE_SEARCH_VECTORS = [
         "cached_label", "label", "description", "container__location__name",