first setup of pos transaction - add provider, user, organization information of pos to login

apps/pos_device/migrations/0063_alter_device_serial.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0 on 2025-08-26 11:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pos_device', '0062_stakeholders_default'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='device',
+            name='serial',
+            field=models.TextField(null=True, unique=True),
+        ),
+    ]

apps/pos_device/models.py

@@ -34,7 +34,7 @@ class Device(BaseModel):
     device_identity = models.CharField(max_length=25, null=True)
     acceptor = models.CharField(max_length=50, null=True)
     terminal = models.CharField(max_length=50, null=True)
-    serial = models.TextField(null=True)
+    serial = models.TextField(null=True, unique=True)
     password = models.CharField(max_length=25, null=True)
     multi_device = models.BooleanField(default=False)
     server_in = models.BooleanField(default=False)

apps/pos_device/pos/api/v1/viewsets/device.py

@@ -1,4 +1,5 @@
 from apps.pos_device.pos.api.v1.serializers.device import DeviceSerializer
+from apps.authentication.services.service import get_users_of_organization
 from apps.pos_device.mixins.pos_device_mixin import POSDeviceMixin
 from apps.pos_device import models as pos_models
 from rest_framework.permissions import AllowAny
@@ -49,6 +50,7 @@ class POSDeviceViewSet(viewsets.ModelViewSet, POSDeviceMixin):
         serial = headers_data['device-serial']
         sdk = headers_data['device-sdk']
         psp_name = headers_data['device-provider']
+        # provider organization
         organization = pos_models.Organization.objects.get(en_name=psp_name)
 
         # check if device exists
@@ -60,6 +62,8 @@ class POSDeviceViewSet(viewsets.ModelViewSet, POSDeviceMixin):
         # activate device
         if device:
             if (not device.is_activated or not device.pre_registered) and device.assigned_state:
+                # when device is logged in, its has an organization owner client, if not it will show error
+                device_owner_org = self.get_device_organization()
                 device.is_activated = True
                 device.save()
 
@@ -78,13 +82,18 @@ class POSDeviceViewSet(viewsets.ModelViewSet, POSDeviceMixin):
                     "message": "login success - session activated",
                     "device_identity": device.device_identity,
                     "serial": device.serial,
-                    "device_owner": organization.name
+                    "provider": organization.name,
+                    "provider_users": get_users_of_organization(organization),
+                    "device_owner": device_owner_org,
+                    "device_owner_users": get_users_of_organization(device_owner_org)
                 }, status=status.HTTP_200_OK)
 
             return Response({
                 "message": "device pre registered - unauthorized",
                 "device_identity": device.device_identity,
-                "serial": device.serial
+                "serial": device.serial,
+                "provider": organization.name,
+                "provider_users": get_users_of_organization(organization),
             }, status=status.HTTP_401_UNAUTHORIZED)
 
         pre_device = pos_models.Device.objects.create(
@@ -96,7 +105,9 @@ class POSDeviceViewSet(viewsets.ModelViewSet, POSDeviceMixin):
 
         return Response({
             "message": "device pre-registered",
-            "device_identity": pre_device.device_identity
+            "device_identity": pre_device.device_identity,
+            "provider": organization.name,
+            "provider_users": get_users_of_organization(organization),
         }, status=status.HTTP_412_PRECONDITION_FAILED)
 
     @action(