# -*- coding: utf-8 -*-

from __future__ import unicode_literals

from django.db import migrations, models

from django.conf import settings

import uuid

def populate_revision(apps, schema_editor):

    renkans = apps.get_model('renkanmanager', 'Renkan')

    revisions = apps.get_model('renkanmanager', 'Revision')

    for renkan in renkans.objects.all():

        renkan.creator = renkan.owner

        renkan.renkan_guid = renkan.rk_id

        if not renkan.current_revision_guid:

            new_revision = revisions.objects.create()

            new_revision.parent_renkan_guid = renkan.renkan_guid

            new_revision.creator = renkan.creator

            new_revision.last_updated_by = renkan.creator

            new_revision.title = renkan.title

            new_revision.content = renkan.content

            new_revision.creation_date = renkan.creation_date

            new_revision.modification_date = renkan.modification_date

            new_revision.save()

            renkan.current_revision_guid = new_revision.revision_guid

        renkan.save()

class Migration(migrations.Migration):

    dependencies = [

        migrations.swappable_dependency(settings.AUTH_USER_MODEL),

        ('renkanmanager', '0001_initial'),

    ]

    operations = [

        migrations.CreateModel(

            name='Revision',

            fields=[

                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),

                ('revision_guid', models.CharField(default=uuid.uuid4, unique=True, max_length=256)),

                ('parent_renkan_guid', models.CharField(max_length=256)),

                ('title', models.CharField(max_length=1024, null=True, blank=True)),

                ('content', models.TextField(null=True, blank=True)),

                ('creation_date', models.DateTimeField(auto_now_add=True)),

                ('modification_date', models.DateTimeField(auto_now=True)),

                ('creator', models.ForeignKey(related_name='revision_creator', blank=True, to=settings.AUTH_USER_MODEL, null=True)),

                ('last_updated_by', models.ForeignKey(related_name='revision_last_updated_by', blank=True, to=settings.AUTH_USER_MODEL, null=True)),

            ],

        ),

        migrations.CreateModel(

            name='Workspace',

            fields=[

                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),

                ('workspace_guid', models.CharField(default=uuid.uuid4, unique=True, max_length=1024)),

                ('title', models.CharField(max_length=1024, null=True)),

                ('creation_date', models.DateTimeField(auto_now_add=True)),

                ('creator', models.ForeignKey(related_name='workspace_creator', blank=True, to=settings.AUTH_USER_MODEL, null=True)),

            ],

        ),

        migrations.AddField(

            model_name='renkan',

            name='creator',

            field=models.ForeignKey(related_name='renkan_creator', blank=True, to=settings.AUTH_USER_MODEL, null=True),

        ),

        migrations.AddField(

            model_name='renkan',

            name='current_revision_guid',

            field=models.CharField(max_length=256, null=True, blank=True),

        ),

        migrations.AddField(

            model_name='renkan',

            name='renkan_guid',

            field=models.CharField(default=uuid.uuid4, unique=True, max_length=256),

        ),

        migrations.AddField(

            model_name='renkan',

            name='source_revision_guid',

            field=models.CharField(max_length=256, null=True, blank=True),

        ),

        migrations.AddField(

            model_name='renkan',

            name='workspace_guid',

            field=models.CharField(max_length=256, null=True, blank=True),

        ),

        migrations.AddField(

            model_name='renkan',

            name='state',

            field=models.IntegerField(default=1),

        ),

        migrations.RunPython(populate_revision),

        migrations.RemoveField(

            model_name='renkan',

            name='content',

        ),

        migrations.RemoveField(

            model_name='renkan',

            name='image',

        ),

        migrations.RemoveField(

            model_name='renkan',

            name='modification_date',

        ),

        migrations.RemoveField(

            model_name='renkan',

            name='owner',

        ),

        migrations.RemoveField(

            model_name='renkan',

            name='rk_id',

        ),

        migrations.RemoveField(

            model_name='renkan',

            name='title',

        ),

    ]