add missing imports
[matthijs/upstream/django-ldapdb.git] / ldapdb / models / base.py
index e98133b58cc7f596f61c365cadfb8b12a27df6a5..0fc77ea8eded502b5a7a980ee933907337f3da93 100644 (file)
@@ -36,6 +36,7 @@ import ldap
 import logging
 
 import django.db.models
+from django.db import connections, router
 from django.db.models import signals
 
 import ldapdb
@@ -68,25 +69,28 @@ class Model(django.db.models.base.Model):
 
     # meta-data
     base_dn = None
+    search_scope = ldap.SCOPE_SUBTREE
     object_classes = ['top']
 
     def __init__(self, *args, **kwargs):
         super(Model, self).__init__(*args, **kwargs)
         self.saved_pk = self.pk
 
-    def _collect_sub_objects(self, collector):
+    def _collect_sub_objects(self, seen_objs, parent=None, nullable=False):
         """
         This private API seems to be called by the admin interface in django 1.2
         """
-        pass
+        pk_val = self._get_pk_val()
+        seen_objs.add(self.__class__, pk_val, self,
+                      type(parent), parent, nullable)
 
     def build_rdn(self):
         """
         Build the Relative Distinguished Name for this entry.
         """
         bits = []
-        for field in self._meta.local_fields:
-            if field.primary_key:
+        for field in self._meta.fields:
+            if field.db_column and field.primary_key:
                 bits.append("%s=%s" % (field.db_column, getattr(self, field.name)))
         if not len(bits):
             raise Exception("Could not build Distinguished Name")
@@ -99,30 +103,37 @@ class Model(django.db.models.base.Model):
         return "%s,%s" % (self.build_rdn(), self.base_dn)
         raise Exception("Could not build Distinguished Name")
 
-    def delete(self):
+    def delete(self, using=None):
         """
         Delete this entry.
         """
+        using = using or router.db_for_write(self.__class__, instance=self)
+        connection = connections[using]
         logging.debug("Deleting LDAP entry %s" % self.dn)
-        ldapdb.connection.delete_s(self.dn)
+        connection.delete_s(self.dn)
         signals.post_delete.send(sender=self.__class__, instance=self)
-        
-    def save(self):
+
+    def save(self, using=None):
+        """
+        Saves the current instance.
+        """
+        using = using or router.db_for_write(self.__class__, instance=self)
+        connection = connections[using]
         if not self.dn:
             # create a new entry
             record_exists = False 
             entry = [('objectClass', self.object_classes)]
             new_dn = self.build_dn()
 
-            for field in self._meta.local_fields:
+            for field in self._meta.fields:
                 if not field.db_column:
                     continue
                 value = getattr(self, field.name)
                 if value:
-                    entry.append((field.db_column, field.get_db_prep_save(value, connection=ldapdb.connection)))
+                    entry.append((field.db_column, field.get_db_prep_save(value, connection=connection)))
 
             logging.debug("Creating new LDAP entry %s" % new_dn)
-            ldapdb.connection.add_s(new_dn, entry)
+            connection.add_s(new_dn, entry)
 
             # update object
             self.dn = new_dn
@@ -132,14 +143,14 @@ class Model(django.db.models.base.Model):
             record_exists = True
             modlist = []
             orig = self.__class__.objects.get(pk=self.saved_pk)
-            for field in self._meta.local_fields:
+            for field in self._meta.fields:
                 if not field.db_column:
                     continue
                 old_value = getattr(orig, field.name, None)
                 new_value = getattr(self, field.name, None)
                 if old_value != new_value:
                     if new_value:
-                        modlist.append((ldap.MOD_REPLACE, field.db_column, field.get_db_prep_save(new_value, connection=ldapdb.connection)))
+                        modlist.append((ldap.MOD_REPLACE, field.db_column, field.get_db_prep_save(new_value, connection=connection)))
                     elif old_value:
                         modlist.append((ldap.MOD_DELETE, field.db_column, None))
 
@@ -148,11 +159,11 @@ class Model(django.db.models.base.Model):
                 new_dn = self.build_dn()
                 if new_dn != self.dn:
                     logging.debug("Renaming LDAP entry %s to %s" % (self.dn, new_dn))
-                    ldapdb.connection.rename_s(self.dn, self.build_rdn())
+                    connection.rename_s(self.dn, self.build_rdn())
                     self.dn = new_dn
             
                 logging.debug("Modifying existing LDAP entry %s" % self.dn)
-                ldapdb.connection.modify_s(self.dn, modlist)
+                connection.modify_s(self.dn, modlist)
             else:
                 logging.debug("No changes to be saved to LDAP entry %s" % self.dn)