# Generated by Django 4.2.19 on 2025-10-29 10:54

import django.core.validators
from django.db import migrations, models
import django.db.models.deletion
import ishtar_common.models_common
import uuid


class Migration(migrations.Migration):

    dependencies = [
        ('archaeological_context_records', '0125_datings_refactoring'),
        ('archaeological_operations', '0123_add_timezone_django_v4'),
        ('archaeological_finds', '0143_find_periods'),
    ]

    operations = [
        migrations.RenameField(
            model_name='find',
            old_name='datings',
            new_name='datings_old',
        ),
        migrations.AlterField(
            model_name='find',
            name='preservation_to_considers',
            field=models.ManyToManyField(blank=True, related_name='old_finds_recommended', to='archaeological_finds.treatmenttype', verbose_name='Recommended treatments'),
        ),
        migrations.CreateModel(
            name='FindDating',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('uuid', models.UUIDField(default=uuid.uuid4)),
                ('reference', models.TextField(blank=True, default='', verbose_name='Reference')),
                ('external_id', models.TextField(blank=True, default='', verbose_name='External ID')),
                ('start_date', models.IntegerField(blank=True, null=True, verbose_name='Start date')),
                ('end_date', models.IntegerField(blank=True, null=True, verbose_name='End date')),
                ('precise_dating', models.TextField(blank=True, default='', verbose_name='Precise on this dating')),
                ('dating_type', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='archaeological_context_records.datingtype', verbose_name='Dating type')),
                ('find', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='datings', to='archaeological_finds.find', verbose_name='Find')),
                ('period', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='archaeological_operations.period', verbose_name='Chronological period')),
                ('quality', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='archaeological_context_records.datingquality', verbose_name='Quality')),
            ],
            options={
                'verbose_name': 'Find dating',
                'verbose_name_plural': 'Find datings',
            },
            bases=(models.Model, ishtar_common.models_common.SerializeItem),
        ),
    ]