3 files changed, 88 insertions, 0 deletions
diff --git a/archaeological_finds/migrations/0143_find_periods.py b/archaeological_finds/migrations/0143_find_periods.py
new file mode 100644
index 000000000..91a5a7f54
--- /dev/null
+++ b/archaeological_finds/migrations/0143_find_periods.py
@@ -0,0 +1,19 @@
+# Generated by Django 4.2.19 on 2025-10-28 15:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('archaeological_operations', '0123_add_timezone_django_v4'),
+        ('archaeological_finds', '0142_add_timezone_django_v4'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='find',
+            name='periods',
+            field=models.ManyToManyField(blank=True, to='archaeological_operations.period', verbose_name='Periods'),
+        ),
+    ]
diff --git a/archaeological_finds/migrations/0144_datings_refactoring.py b/archaeological_finds/migrations/0144_datings_refactoring.py
new file mode 100644
index 000000000..27131f82a
--- /dev/null
+++ b/archaeological_finds/migrations/0144_datings_refactoring.py
@@ -0,0 +1,50 @@
+# 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),
+        ),
+    ]
diff --git a/archaeological_finds/migrations/0145_migrate_periods_and_datings.py b/archaeological_finds/migrations/0145_migrate_periods_and_datings.py
new file mode 100644
index 000000000..a693f5b6d
--- /dev/null
+++ b/archaeological_finds/migrations/0145_migrate_periods_and_datings.py
@@ -0,0 +1,19 @@
+from django.db import migrations
+from ishtar_common.utils_migrations import migrate_dating_periods
+
+
+def _migrate_datings_periods(apps, __):
+    model_dating = apps.get_model("archaeological_finds", "finddating")
+    model = apps.get_model("archaeological_finds", "find")
+    migrate_dating_periods(apps, model_dating, model, "find")
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('archaeological_finds', '0144_datings_refactoring'),
+    ]
+
+    operations = [
+        migrations.RunPython(_migrate_datings_periods)
+    ]