Allow for parent/child grouping

groups/migrations/0003_auto__add_field_groupinformation_parent.py

@@ -0,0 +1,82 @@
+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        
+        # Adding field 'GroupInformation.parent'
+        db.add_column('groups_groupinformation', 'parent', self.gf('django.db.models.fields.related.ForeignKey')(related_name='children', null=True, to=orm['auth.Group']), keep_default=False)
+
+
+    def backwards(self, orm):
+        
+        # Deleting field 'GroupInformation.parent'
+        db.delete_column('groups_groupinformation', 'parent_id')
+
+
+    models = {
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'groups.groupinformation': {
+            'Meta': {'ordering': "['group']", 'object_name': 'GroupInformation'},
+            'admins': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.User']", 'symmetrical': 'False', 'blank': 'True'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'group': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.Group']", 'unique': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'null': 'True', 'to': "orm['auth.Group']"}),
+            'public': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'requestable': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'type': ('django.db.models.fields.IntegerField', [], {'default': '2'})
+        },
+        'groups.grouprequest': {
+            'Meta': {'ordering': "['created_date']", 'object_name': 'GroupRequest'},
+            'changed_by': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
+            'changed_date': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'created_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'requests'", 'to': "orm['auth.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'reason': ('django.db.models.fields.TextField', [], {}),
+            'status': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'grouprequests'", 'to': "orm['auth.User']"})
+        }
+    }
+
+    complete_apps = ['groups']

groups/models.py

@@ -13,6 +13,7 @@ class GroupInformation(models.Model):
     admins = models.ManyToManyField(User, blank=True)
     public = models.BooleanField("Public", default=False, help_text="Indicates if the group is visible to all")
     requestable = models.BooleanField("Requestable", default=False, help_text="Indicates if people can request to join this group")
+    parent = models.ForeignKey(Group, related_name="children", null=True, blank=True)
 
     description = models.TextField(help_text="Description of the group and its permissions", blank=True)
 

groups/views.py

@@ -41,10 +41,10 @@ def group_list(request):
         else:
             status = None
 
+        requestable = False
         if group.groupinformation and group.groupinformation.requestable and not group.groupinformation.type == GROUP_TYPE_MANAGED:
-            requestable = True
-        else:
-            requestable = False
+            if not group.groupinformation.parent or group.groupinformation.parent in request.user.groups.all():
+                requestable = True
 
         fixed = not group.groupinformation.type == GROUP_TYPE_PERMISSION
 	pending = group.requests.filter(status=REQUEST_PENDING,user=request.user).count()