# -*- 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 unique constraint on 'Device', fields ['lender']
        db.delete_unique(u'devices_device', ['lender_id'])

        # Removing unique constraint on 'Device', fields ['lendee']
        db.delete_unique(u'devices_device', ['lendee_id'])


        # Changing field 'Device.lendee'
        db.alter_column(u'devices_device', 'lendee_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['user.Lendee'], null=True))

        # Changing field 'Device.lender'
        db.alter_column(u'devices_device', 'lender_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'], null=True))
        # Adding unique constraint on 'Device', fields ['serial_number']
        db.create_unique(u'devices_device', ['serial_number'])


    def backwards(self, orm):
        # Removing unique constraint on 'Device', fields ['serial_number']
        db.delete_unique(u'devices_device', ['serial_number'])


        # Changing field 'Device.lendee'
        db.alter_column(u'devices_device', 'lendee_id', self.gf('django.db.models.fields.related.OneToOneField')(to=orm['user.Lendee'], unique=True, null=True))
        # Adding unique constraint on 'Device', fields ['lendee']
        db.create_unique(u'devices_device', ['lendee_id'])


        # Changing field 'Device.lender'
        db.alter_column(u'devices_device', 'lender_id', self.gf('django.db.models.fields.related.OneToOneField')(to=orm['auth.User'], unique=True, null=True))
        # Adding unique constraint on 'Device', fields ['lender']
        db.create_unique(u'devices_device', ['lender_id'])


    models = {
        u'auth.group': {
            'Meta': {'object_name': 'Group'},
            u'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': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
        },
        u'auth.permission': {
            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
        },
        u'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': u"orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
            u'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': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
        },
        u'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'}),
            u'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'})
        },
        u'devices.device': {
            'Meta': {'object_name': 'Device'},
            'condition': ('django.db.models.fields.CharField', [], {'default': "'EX'", 'max_length': '2'}),
            'created_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime(2013, 4, 20, 0, 0)'}),
            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'lendee': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['user.Lendee']", 'null': 'True', 'blank': 'True'}),
            'lender': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']", 'null': 'True', 'blank': 'True'}),
            'make': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
            'purchased_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime(2013, 4, 20, 0, 0)'}),
            'responsible_party': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
            'serial_number': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '200'}),
            'status': ('django.db.models.fields.CharField', [], {'default': "'ST'", 'max_length': '2'}),
            'updated_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime(2013, 4, 20, 0, 0)'})
        },
        u'user.lendee': {
            'Meta': {'object_name': 'Lendee'},
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'subject': ('django.db.models.fields.related.OneToOneField', [], {'to': u"orm['user.Subject']", 'unique': 'True', 'null': 'True', 'blank': 'True'}),
            'user': ('django.db.models.fields.related.OneToOneField', [], {'to': u"orm['auth.User']", 'unique': 'True', 'null': 'True', 'blank': 'True'})
        },
        u'user.subject': {
            'Meta': {'object_name': 'Subject'},
            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'blank': 'True'}),
            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'blank': 'True'}),
            'subject_id': ('django.db.models.fields.CharField', [], {'max_length': '200'})
        }
    }

    complete_apps = ['devices']