Don't delete a note if its user is deleted

diff --git a/karmaworld/apps/notes/migrations/0003_auto__chg_field_note_user.py b/karmaworld/apps/notes/migrations/0003_auto__chg_field_note_user.py
new file mode 100644 (file)
index 0000000..b6d7376
--- /dev/null
+++ b/karmaworld/apps/notes/migrations/0003_auto__chg_field_note_user.py
@@ -0,0 +1,108 @@
+# -*- coding: 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):
+
+        # Changing field 'Note.user'
+        db.alter_column('notes_note', 'user_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['users.KarmaUser'], null=True, on_delete=models.SET_NULL))
+
+    def backwards(self, orm):
+
+        # Changing field 'Note.user'
+        db.alter_column('notes_note', 'user_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['users.KarmaUser'], null=True))
+
+    models = {
+        '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'})
+        },
+        'courses.course': {
+            'Meta': {'ordering': "['-file_count', 'school', 'name']", 'unique_together': "(('school', 'name', 'instructor_name'),)", 'object_name': 'Course'},
+            'academic_year': ('django.db.models.fields.IntegerField', [], {'default': '2013', 'null': 'True', 'blank': 'True'}),
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'desc': ('django.db.models.fields.TextField', [], {'max_length': '511', 'null': 'True', 'blank': 'True'}),
+            'file_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'instructor_email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'instructor_name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'school': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['courses.School']"}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '150', 'null': 'True'}),
+            'updated_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.utcnow'}),
+            'url': ('django.db.models.fields.URLField', [], {'max_length': '511', 'null': 'True', 'blank': 'True'})
+        },
+        'courses.school': {
+            'Meta': {'ordering': "['-file_count', '-priority', 'name']", 'object_name': 'School'},
+            'alias': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'facebook_id': ('django.db.models.fields.BigIntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'file_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'location': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'priority': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '150', 'null': 'True'}),
+            'url': ('django.db.models.fields.URLField', [], {'max_length': '511', 'blank': 'True'}),
+            'usde_id': ('django.db.models.fields.BigIntegerField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'notes.driveauth': {
+            'Meta': {'object_name': 'DriveAuth'},
+            'credentials': ('django.db.models.fields.TextField', [], {}),
+            'email': ('django.db.models.fields.EmailField', [], {'default': "u'admin@karmanotes.org'", 'max_length': '75'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'stored_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'})
+        },
+        'notes.note': {
+            'Meta': {'ordering': "['-uploaded_at']", 'object_name': 'Note'},
+            'course': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['courses.Course']"}),
+            'desc': ('django.db.models.fields.TextField', [], {'max_length': '511', 'null': 'True', 'blank': 'True'}),
+            'download_url': ('django.db.models.fields.URLField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
+            'embed_url': ('django.db.models.fields.URLField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
+            'file_type': ('django.db.models.fields.CharField', [], {'default': "'???'", 'max_length': '15', 'null': 'True', 'blank': 'True'}),
+            'fp_file': ('django_filepicker.models.FPFileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'html': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ip': ('django.db.models.fields.IPAddressField', [], {'max_length': '15', 'null': 'True', 'blank': 'True'}),
+            'is_flagged': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_hidden': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_moderated': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'mimetype': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'note_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '255', 'null': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.utcnow', 'null': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['users.KarmaUser']", 'null': 'True', 'on_delete': 'models.SET_NULL'}),
+            'year': ('django.db.models.fields.IntegerField', [], {'default': '2013', 'null': 'True', 'blank': 'True'})
+        },
+        'taggit.tag': {
+            'Meta': {'ordering': "['namespace', 'name']", 'object_name': 'Tag'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
+            'namespace': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'taggit.taggeditem': {
+            'Meta': {'object_name': 'TaggedItem'},
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'taggit_taggeditem_tagged_items'", 'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'object_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
+            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'taggit_taggeditem_items'", 'to': "orm['taggit.Tag']"})
+        },
+        'users.karmauser': {
+            'Meta': {'object_name': 'KarmaUser'},
+            'email': ('django.db.models.fields.EmailField', [], {'unique': 'True', 'max_length': '75'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        }
+    }
+
+    complete_apps = ['notes']
\ No newline at end of file

diff --git a/karmaworld/apps/notes/models.py b/karmaworld/apps/notes/models.py
index 4fc3f4e86964946a8fa325b834ab862ac01348aa..342defd2117d0f5b3f7c6174ebeb49b2ccbf4f2a 100644 (file)
--- a/karmaworld/apps/notes/models.py
+++ b/karmaworld/apps/notes/models.py
@@ -7,6 +7,7 @@
     Contains only the minimum for handling files and their representation
 """
 import datetime
+from django.db.models import SET_NULL
 from django.db.models.signals import post_save, post_delete
 from django.dispatch import receiver
 import os
@@ -52,7 +53,7 @@ class Document(models.Model):
     slug            = models.SlugField(max_length=255, null=True)
 
     # metadata relevant to the Upload process
-    user            = models.ForeignKey('users.KarmaUser', null=True)
+    user            = models.ForeignKey('users.KarmaUser', null=True, on_delete=SET_NULL)
     ip              = models.IPAddressField(blank=True, null=True,
                         help_text=u"IP address of the uploader")
     uploaded_at     = models.DateTimeField(null=True, default=datetime.datetime.utcnow)

diff --git a/karmaworld/apps/users/models.py b/karmaworld/apps/users/models.py
index 7fb50c3a003d9ae49af2d4a7779cfbd9ba2620a0..b2997b0b6425f58d5fce7d9db7fbadbe60fbbc78 100644 (file)
--- a/karmaworld/apps/users/models.py
+++ b/karmaworld/apps/users/models.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding:utf8 -*-
 # Copyright (C) 2013  FinalsClub Foundation
+from django.contrib import admin
 
 from django.db import models
 
@@ -9,3 +10,6 @@ class KarmaUser(models.Model):
 
     def __unicode__(self):
         return u'{e}'.format(e=self.email)
+
+admin.site.register(KarmaUser)
+