# -*- coding: utf-8 -*-
from south.utils import datetime_utils as datetime
from south.db import db
from south.v2 import SchemaMigration
from django.db import models

from teams.models import CourseTeamMembership


class Migration(SchemaMigration):

    def forwards(self, orm):
        # Adding field 'CourseTeam.team_size'
        db.add_column('teams_courseteam', 'team_size',
                      self.gf('django.db.models.fields.IntegerField')(default=0, db_index=True),
                      keep_default=False)

        # Adding index on 'CourseTeam', fields ['last_activity_at']
        db.create_index('teams_courseteam', ['last_activity_at'])

        if not db.dry_run:
            for team in orm.CourseTeam.objects.all():
                team.team_size = CourseTeamMembership.objects.filter(team=team).count()
                team.save()

    def backwards(self, orm):
        # Removing index on 'CourseTeam', fields ['last_activity_at']
        db.delete_index('teams_courseteam', ['last_activity_at'])

        # Deleting field 'CourseTeam.team_size'
        db.delete_column('teams_courseteam', 'team_size')


    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'})
        },
        'teams.courseteam': {
            'Meta': {'object_name': 'CourseTeam'},
            'country': ('django_countries.fields.CountryField', [], {'max_length': '2', 'blank': 'True'}),
            'course_id': ('xmodule_django.models.CourseKeyField', [], {'max_length': '255', 'db_index': 'True'}),
            'date_created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'description': ('django.db.models.fields.CharField', [], {'max_length': '300'}),
            'discussion_topic_id': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
            'language': ('student.models.LanguageField', [], {'max_length': '16', 'blank': 'True'}),
            'last_activity_at': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
            'team_id': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
            'team_size': ('django.db.models.fields.IntegerField', [], {'default': '0', 'db_index': 'True'}),
            'topic_id': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '255', 'blank': 'True'}),
            'users': ('django.db.models.fields.related.ManyToManyField', [], {'db_index': 'True', 'related_name': "'teams'", 'symmetrical': 'False', 'through': "orm['teams.CourseTeamMembership']", 'to': "orm['auth.User']"})
        },
        'teams.courseteammembership': {
            'Meta': {'unique_together': "(('user', 'team'),)", 'object_name': 'CourseTeamMembership'},
            'date_joined': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'last_activity_at': ('django.db.models.fields.DateTimeField', [], {}),
            'team': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'membership'", 'to': "orm['teams.CourseTeam']"}),
            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
        }
    }

    complete_apps = ['teams']
