Parcel: add cached label field

1 files changed, 10 insertions, 8 deletions

diff --git a/archaeological_operations/models.py b/archaeological_operations/models.py
index 2c51c262b..9565bf144 100644
--- a/archaeological_operations/models.py
+++ b/archaeological_operations/models.py
@@ -303,14 +303,7 @@ class Operation(ClosedItem, BaseHistorizedItem, OwnPerms, ValueGetter,
         'end_after': 'excavation_end_date__gte',
         'towns__numero_insee__startswith':
         'towns__numero_insee__startswith',
-        'parcel_0': ('parcels__section',
-                     'associated_file__parcels__section'),
-        'parcel_1': (
-            'parcels__parcel_number',
-            'associated_file__parcels__parcel_number'),
-        'parcel_2': (
-            'parcels__public_domain',
-            'associated_file__parcels__public_domain'),
+        'parcel': 'parcels__cached_label__iexact',
         'history_creator':
         'history_creator__ishtaruser__person__pk',
         'history_modifier':
@@ -1405,6 +1398,8 @@ class Parcel(LightHistorizedItem):
     auto_external_id = models.BooleanField(
         _(u"External ID is set automatically"), default=False)
     address = models.TextField(_(u"Address - Locality"), null=True, blank=True)
+    cached_label = models.TextField(_(u"Cached name"), null=True, blank=True,
+                                    db_index=True)
 
     class Meta:
         verbose_name = _(u"Parcel")
@@ -1447,6 +1442,11 @@ class Parcel(LightHistorizedItem):
         parcel.delete()
     """
 
+    def _generate_cached_label(self):
+        if self.public_domain:
+            return u"DP"
+        return u"{}{}".format(self.section or u"", self.parcel_number or u"")
+
     @classmethod
     def grouped_parcels(cls, parcels):
         sortkeyfn = lambda s: (getattr(s, 'town_id'),
@@ -1553,6 +1553,8 @@ def parcel_post_save(sender, **kwargs):
     parcel = kwargs['instance']
     created = kwargs.get('created', None)
 
+    cached_label_changed(sender, **kwargs)
+
     updated = False
     # remove when the parcel is linked to nothing
     if not getattr(parcel, '_updated_id', None) and not created \