Switch to using multiple parent groups

app/groups/migrations/0005_auto.py

@@ -0,0 +1,89 @@
+# 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 M2M table for field parent_groups on 'GroupInformation'
+        db.create_table('groups_groupinformation_parent_groups', (
+            ('id', models.AutoField(verbose_name='ID', primary_key=True, auto_created=True)),
+            ('groupinformation', models.ForeignKey(orm['groups.groupinformation'], null=False)),
+            ('group', models.ForeignKey(orm['auth.group'], null=False))
+        ))
+        db.create_unique('groups_groupinformation_parent_groups', ['groupinformation_id', 'group_id'])
+
+
+    def backwards(self, orm):
+        
+        # Removing M2M table for field parent_groups on 'GroupInformation'
+        db.delete_table('groups_groupinformation_parent_groups')
+
+
+    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'}),
+            'moderated': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['auth.Group']"}),
+            'parent_groups': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'+'", 'blank': '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']

app/groups/migrations/0006_move_to_multigroups.py

@@ -0,0 +1,80 @@
+# encoding: utf-8
+import datetime
+from south.db import db
+from south.v2 import DataMigration
+from django.db import models
+
+class Migration(DataMigration):
+
+    def forwards(self, orm):
+        for obj in orm.GroupInformation.objects.all():
+            if obj.parent is not None:
+                obj.parent_groups.add(obj.parent)
+
+    def backwards(self, orm):
+        raise RuntimeError("Cannot reverse this migration, manually select parent groups for each groupinformation.")
+
+    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'}),
+            'moderated': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['auth.Group']"}),
+            'parent_groups': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'+'", 'blank': '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']

app/groups/migrations/0007_remove_old_parent_field.py

@@ -0,0 +1,83 @@
+# 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):
+        
+        # Deleting field 'GroupInformation.parent'
+        db.delete_column('groups_groupinformation', 'parent_id')
+
+
+    def backwards(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'], blank=True), keep_default=False)
+
+
+    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'}),
+            'moderated': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'parent_groups': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'children'", 'blank': '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']

app/groups/models.py

@@ -14,7 +14,8 @@ class GroupInformation(models.Model):
     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")
     moderated = models.BooleanField("Moderated", default=True, help_text="Indicates if the group requires new members to be accepted by a group admin")
-    parent = models.ForeignKey(Group, related_name="children", null=True, blank=True)
+    parent = models.ForeignKey(Group, related_name="children_old", null=True, blank=True)
+    parent_groups = models.ManyToManyField(Group, blank=True, related_name='children')
 
     description = models.TextField(help_text="Description of the group and its permissions", blank=True)
 

app/groups/views.py

@@ -43,8 +43,8 @@ def group_list(request):
 
         requestable = False
         if group.groupinformation and group.groupinformation.requestable:
-            if group.groupinformation.parent:
+            if group.groupinformation.parent_groups.count():
-                if group.groupinformation.parent in request.user.groups.all():
+                if bool(set(group.groupinformation.parent_groups.all()) & set(request.user.groups.all())):
                     requestable = True
             else:
                 requestable = True
@@ -70,7 +70,7 @@ def create_request(request, groupid, email_text_template='groups/email/request.t
     if request.user in group.user_set.all() or not group.groupinformation.requestable:
         return HttpResponseRedirect(reverse('groups.views.group_list'))
 
-    if group.groupinformation.parent and not group.groupinformation.parent in request.user.groups.all():
+    if group.groupinformation.parent_groups.count() and not set(group.groupinformation.parent_groups.all()) & set(request.user.groups.all()):
        return HttpResponseRedirect(reverse('groups.views.group_list'))
 
     if group.requests.filter(status=REQUEST_PENDING,user=request.user).count():

app/sso/tasks.py

@@ -74,17 +74,17 @@ def update_user_access(user, **kwargs):
 
     # Check that user's groups fufil requirements
     if installed('groups'):
-        for g in user.groups.filter(groupinformation__parent__isnull=False):
+        ugroups = set(user.groups.all())
-            if not g in delgroups and not g.groupinformation.parent in user.groups.all():
+        for g in user.groups.all():
+            if g in delgroups or not g.groupinformation.parent_groups.count(): continue
+            if not bool(set(g.groupinformation.parent_groups.all()) & ugroups):
                 delgroups.add(g)
 
     for g in delgroups:
-        if g in user.groups.all():
+        user.groups.remove(g)
-            user.groups.remove(g)
 
     for g in addgroups:
-        if not g in user.groups.all():
+        user.groups.add(g)
-            user.groups.add(g)
 
     # For users set to not active, delete all accounts
     if not user.is_active: