add some new info to pos distributions list - has sale license-free sale

apps/core/migrations/0008_systemconfig_quota.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0 on 2025-09-15 10:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0007_systemconfig'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='systemconfig',
+            name='quota',
+            field=models.CharField(max_length=50, null=True),
+        ),
+    ]

apps/core/models.py

@@ -56,10 +56,13 @@ class MobileTest(BaseModel):
 class SystemConfig(BaseModel):
     key = models.CharField(max_length=100, null=True)
     value = models.CharField(max_length=100, null=True)
+    quota = models.CharField(max_length=50, null=True)
 
     @classmethod
-    def get(cls, key, default=None):
+    def get(cls, key, quota_identity=None, default=None):
         try:
+            if quota_identity:
+                return cls.objects.get(key=key, quota=quota_identity).value
             return cls.objects.get(key=key).value
         except cls.DoesNotExist:
             return default