# -*- coding: utf-8 -*-
# Generated by Django 1.11.18 on 2019-01-14 21:36
from __future__ import unicode_literals

from django.db import migrations, models


def empty_clippers_to_null(apps, schema_editor):
    CofProfile = apps.get_model("gestioncof", "CofProfile")
    CofProfile.objects.filter(login_clipper="").update(login_clipper=None)


def null_clippers_to_empty(apps, schema_editor):
    CofProfile = apps.get_model("gestioncof", "CofProfile")
    CofProfile.objects.filter(login_clipper__isnull=True).update(login_clipper="")


class Migration(migrations.Migration):

    dependencies = [("gestioncof", "0015_psql_choices_niveaux")]

    operations = [
        # First, only set null to True (unique is still False)
        migrations.AlterField(
            model_name="cofprofile",
            name="login_clipper",
            field=models.CharField(
                blank=True, max_length=32, null=True, verbose_name="Login clipper"
            ),
        ),
        # Then, set all empty login_clippers to null
        migrations.RunPython(empty_clippers_to_null),
        # Finally set unique to True
        migrations.AlterField(
            model_name="cofprofile",
            name="login_clipper",
            field=models.CharField(
                blank=True,
                max_length=32,
                null=True,
                unique=True,
                verbose_name="Login clipper",
            ),
        ),
    ]