updating cycle close request feature to get approval from national dashboard instead auto from system

backend/apps/farms/migrations/0015_cycle_close_request.py

@@ -0,0 +1,78 @@
+# Generated manually for GM cycle-close approval request flow
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+def null_end_dates_for_open_cycles(apps, schema_editor):
+    Cycle = apps.get_model("farms", "Cycle")
+    Cycle.objects.filter(status="active").update(end_date=None)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("farms", "0014_kandang_feed_in_button_urls"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.RemoveConstraint(
+            model_name="cycle",
+            name="chk_cycles_date_range",
+        ),
+        migrations.AlterField(
+            model_name="cycle",
+            name="end_date",
+            field=models.DateField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name="cycle",
+            name="total_days",
+            field=models.IntegerField(default=1),
+        ),
+        migrations.AlterField(
+            model_name="cycle",
+            name="status",
+            field=models.CharField(
+                choices=[
+                    ("active", "Active"),
+                    ("pending_close", "Pending close"),
+                    ("closed", "Closed"),
+                ],
+                db_index=True,
+                default="active",
+                max_length=30,
+            ),
+        ),
+        migrations.AddField(
+            model_name="cycle",
+            name="proposed_end_date",
+            field=models.DateField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name="cycle",
+            name="close_requested_at",
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name="cycle",
+            name="close_requested_by",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="requested_cycle_closes",
+                to=settings.AUTH_USER_MODEL,
+            ),
+        ),
+        migrations.AddConstraint(
+            model_name="cycle",
+            constraint=models.CheckConstraint(
+                condition=models.Q(("end_date__isnull", True))
+                | models.Q(("end_date__gte", models.F("start_date"))),
+                name="chk_cycles_date_range",
+            ),
+        ),
+        migrations.RunPython(null_end_dates_for_open_cycles, migrations.RunPython.noop),
+    ]