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Remove M2M relationship between MessageAttachment and Message.

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This commit is contained in:
Adam Coddington 2013-06-06 01:03:16 -07:00
parent 09fbf4ea56
commit af2f37a247
3 changed files with 151 additions and 19 deletions
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76
django_mailbox/migrations/0013_auto__add_field_messageattachment_message.py Normal file
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# -*- 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):
# Removing M2M table for field attachments on 'Message'
db.delete_table('django_mailbox_message_attachments')
# Adding M2M table for field attachments_old on 'Message'
db.create_table(u'django_mailbox_message_attachments_old', (
('id', models.AutoField(verbose_name='ID', primary_key=True, auto_created=True)),
('message', models.ForeignKey(orm[u'django_mailbox.message'], null=False)),
('messageattachment', models.ForeignKey(orm[u'django_mailbox.messageattachment'], null=False))
))
db.create_unique(u'django_mailbox_message_attachments_old', ['message_id', 'messageattachment_id'])
# Adding field 'MessageAttachment.message'
db.add_column(u'django_mailbox_messageattachment', 'message',
self.gf('django.db.models.fields.related.ForeignKey')(blank=True, related_name='attachments', null=True, to=orm['django_mailbox.Message']),
keep_default=False)
def backwards(self, orm):
# Adding M2M table for field attachments on 'Message'
db.create_table(u'django_mailbox_message_attachments', (
('id', models.AutoField(verbose_name='ID', primary_key=True, auto_created=True)),
('message', models.ForeignKey(orm['django_mailbox.message'], null=False)),
('messageattachment', models.ForeignKey(orm['django_mailbox.messageattachment'], null=False))
))
db.create_unique(u'django_mailbox_message_attachments', ['message_id', 'messageattachment_id'])
# Removing M2M table for field attachments_old on 'Message'
db.delete_table('django_mailbox_message_attachments_old')
# Deleting field 'MessageAttachment.message'
db.delete_column(u'django_mailbox_messageattachment', 'message_id')
models = {
u'django_mailbox.mailbox': {
'Meta': {'object_name': 'Mailbox'},
'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
'from_email': ('django.db.models.fields.CharField', [], {'default': 'None', 'max_length': '255', 'null': 'True', 'blank': 'True'}),
u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
'uri': ('django.db.models.fields.CharField', [], {'default': 'None', 'max_length': '255', 'null': 'True', 'blank': 'True'})
},
u'django_mailbox.message': {
'Meta': {'object_name': 'Message'},
'attachments_old': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'messages_old'", 'blank': 'True', 'to': u"orm['django_mailbox.MessageAttachment']"}),
'body': ('django.db.models.fields.TextField', [], {}),
'from_header': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'in_reply_to': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'replies'", 'null': 'True', 'to': u"orm['django_mailbox.Message']"}),
'mailbox': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'messages'", 'to': u"orm['django_mailbox.Mailbox']"}),
'message_id': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
'outgoing': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'processed': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
'read': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}),
'subject': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
'to_header': ('django.db.models.fields.TextField', [], {})
},
u'django_mailbox.messageattachment': {
'Meta': {'object_name': 'MessageAttachment'},
'document': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'message': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'attachments'", 'null': 'True', 'to': u"orm['django_mailbox.Message']"})
}
}
complete_apps = ['django_mailbox']

55
django_mailbox/migrations/0014_migrate_message_attachments.py Normal file
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# -*- 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):
for message in orm['django_mailbox.Message'].objects.all():
for attachment in message.attachments_old.all():
attachment.message = message
attachment.save()
def backwards(self, orm):
for attachment in orm['django_mailbox.MessageAttachment'].objects.all():
if attachment.message:
attachment.message.attachments_old.add(
attachment
)
models = {
u'django_mailbox.mailbox': {
'Meta': {'object_name': 'Mailbox'},
'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
'from_email': ('django.db.models.fields.CharField', [], {'default': 'None', 'max_length': '255', 'null': 'True', 'blank': 'True'}),
u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
'uri': ('django.db.models.fields.CharField', [], {'default': 'None', 'max_length': '255', 'null': 'True', 'blank': 'True'})
},
u'django_mailbox.message': {
'Meta': {'object_name': 'Message'},
'attachments_old': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'messages_old'", 'blank': 'True', 'to': u"orm['django_mailbox.MessageAttachment']"}),
'body': ('django.db.models.fields.TextField', [], {}),
'from_header': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'in_reply_to': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'replies'", 'null': 'True', 'to': u"orm['django_mailbox.Message']"}),
'mailbox': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'messages'", 'to': u"orm['django_mailbox.Mailbox']"}),
'message_id': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
'outgoing': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'processed': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
'read': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}),
'subject': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
'to_header': ('django.db.models.fields.TextField', [], {})
},
u'django_mailbox.messageattachment': {
'Meta': {'object_name': 'MessageAttachment'},
'document': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'message': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'attachments'", 'null': 'True', 'to': u"orm['django_mailbox.Message']"})
}
}
complete_apps = ['django_mailbox']