change livestock quota allocations quantity to int - change rancher statistics from decimal to int

apps/product/migrations/0070_alter_quotalivestockallocation_quantity_kg.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0 on 2025-08-30 08:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0069_quota_group'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='quotalivestockallocation',
+            name='quantity_kg',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+    ]

apps/product/models.py

@@ -497,7 +497,7 @@ class QuotaLivestockAllocation(BaseModel):
         null=True
     )
     livestock_subtype = models.CharField(max_length=20, choices=LivestockSubtype.choices, null=True)
-    quantity_kg = models.DecimalField(max_digits=12, decimal_places=2, null=True)
+    quantity_kg = models.PositiveBigIntegerField(default=0)
 
     """ 
     @using for set unique values between fields