text: # -*- coding: utf-8 -*-
  # Generated by Django 1.9.13 on 2019-04-08 12:29
  from __future__ import unicode_literals
  
  from django.conf import settings
  from django.db import migrations, models
  import django.db.models.deletion
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          migrations.swappable_dependency(settings.AUTH_USER_MODEL),
          ('problems', '0011_auto_20190312_1517'),
      ]
  
      operations = [
          migrations.CreateModel(
              name='ProblemStatistics',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('submitted', models.IntegerField(default=0, verbose_name='attempted solutions')),
                  ('solved', models.IntegerField(default=0, verbose_name='correct solutions')),
                  ('avg_best_score', models.IntegerField(default=0, verbose_name='average result')),
                  ('_best_score_sum', models.IntegerField(default=0)),
                  ('problem', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='statistics', to='problems.Problem')),
              ],
          ),
          migrations.CreateModel(
              name='UserStatistics',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('has_submitted', models.BooleanField(default=False, verbose_name='user submitted')),
                  ('has_solved', models.BooleanField(default=False, verbose_name='user solved')),
                  ('best_score', models.IntegerField(default=0, verbose_name="user's best score")),
                  ('problem_statistics', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='problems.ProblemStatistics')),
                  ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
              ],
          ),
          migrations.AddField(
              model_name='problemstatistics',
              name='user_statistics',
              field=models.ManyToManyField(through='problems.UserStatistics', to=settings.AUTH_USER_MODEL),
          ),
          migrations.AlterUniqueTogether(
              name='userstatistics',
              unique_together=set([('problem_statistics', 'user')]),
          ),
      ]
  