Changeset 6662 for trunk

Timestamp:

Feb 11, 2009, 11:11:20 PM (16 years ago)

Author:

andrea

Message:

extended "delete" code to unlink interfaces instead of removing them
when a linked interface is deleted

File:

• trunk/exodus/models.py (modified) (7 diffs)

trunk/exodus/models.py

@@ -6 +6 @@
 #No need to formalize it; CHOICES don't change much
 
-STATUS_CHOICES = ( 
+STATUS_CHOICES = (
          ('up', 'up'),
          ('dw', 'down'),
@@ -51 +51 @@
         return self.type
 
+    def delete(self):
+        # avoid deletion, unlink interfaces 
+        # bound to the Antenna instead
+        for i in self.interface_set.all():
+            i.save();
+        super(Antenna, self).delete()
+
+
 class EthernetToWifiBridge(models.Model):
     type = models.CharField(max_length=10, unique=True)
@@ -56 +64 @@
     def __unicode__(self):
         return self.type
+
+    def delete(self):
+        # avoid deletion, unlink interfaces 
+        # bound to the eth2wifi bridge instead
+        for i in self.interface_set_all():
+            i.ethernet_to_wifi = None
+            i.save()
+        super(EthernetToWifiBridge, self).delete()
 
 class Location(models.Model):
@@ -67 +83 @@
     def __unicode__(self):
         return self.description
-
-    def delete(self):
-        for i in self.node_set.all():
-            i.delete()
-        super(Location, self).delete()
+    # overriding delete() method here is useless while we agree in
+    # deleting all nodes within a Location on its deletion
 
 
@@ -95 +108 @@
     def __unicode__(self):
         return self.name
+    # overriding delete() method here is useless while we agree in
+    # deleting all nodes within a Network on its deletion
 
 class Node(models.Model):
@@ -110 +125 @@
     def __unicode__(self):
         return self.name
-
-    def delete(self):
-        for i in self.interface_set.all():
-            i.delete
-        super(Node, self).delete()
 
 class Interface(models.Model):
@@ -158 +168 @@
             super(Interface, self).save(False, True)
 
-
     def delete(self):
-        #import pdb; pdb.set_trace() ;
-        # remove reference to all other interfaces.
+        # unlink all linked interfaces.
+        for i in self.interface_set.all():
+            i.link = None;
+            i.save();
         self.interface_set.clear()
         super(Interface, self).delete()