pos device login depoyment

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

@@ -0,0 +1,8 @@
+from apps.pos_device import models as pos_models
+from rest_framework import serializers
+
+
+class DeviceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = pos_models.Device
+        fields = '__all__'

apps/pos_device/pos/api/v1/urls.py

@@ -1,9 +1,7 @@
 from django.urls import path, include
 from rest_framework.routers import DefaultRouter
-from .viewsets.device import TestViewSet
 
 router = DefaultRouter()
-router.register('test', TestViewSet, basename='test')
 
 urlpatterns = [
     path('v1/', include(router.urls))

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

@@ -1,8 +1,108 @@
-from rest_framework import viewsets
+from apps.pos_device.pos.api.v1.serializers.device import DeviceSerializer
+from apps.pos_device import models as pos_models
+from rest_framework.permissions import AllowAny
+from rest_framework.decorators import action
 from rest_framework.response import Response
+from common.generics import get_client_ip
+from rest_framework import viewsets
+from django.db import transaction
+from rest_framework import status
 
 
-class TestViewSet(viewsets.ModelViewSet):
+class POSDeviceViewSet(viewsets.ModelViewSet):
+    device_queryset = pos_models.Device.objects.all()
+    session_queryset = pos_models.Sessions.objects.all()
+    serializer_class = DeviceSerializer
+    HEADERS = [
+        'device-mac', 'device-serial', 'device-name',
+        'device-sdk', 'device-version',
+        'device-lng', 'device-lot', 'device-provider',  # noqa
+        'device-vname',  # noqa
+    ]
+    permission_classes = [AllowAny]
 
-    def list(self, request, *args, **kwargs):
-        return Response("Hello from the outsiiiiiiiiide")  # noqa
+    @action(
+        methods=['post'],
+        detail=False,
+        url_path='login',
+        url_name='login',
+        name='login'
+    )
+    @transaction.atomic
+    def login(self, request):
+        """ login of pos device """
+
+        # convert headers to dictionary
+        headers_data = {key: request.headers.get(key) for key in self.HEADERS}
+
+        serial = headers_data['device-serial']
+        sdk = headers_data['device-sdk']
+        psp_name = headers_data['device-provider']
+        organization = pos_models.Organization.objects.get(en_name=psp_name)
+
+        # check if device exists
+        if 'device_identity' in request.data.keys():
+            device = self.device_queryset.filter(device_identity=request.data['device_identity'])
+        else:
+            device = self.device_queryset.filter(serial=serial).first()
+
+        # activate device
+        if device:
+            if not device.is_activated:
+                device.is_activated = True
+                device.save()
+
+                session = pos_models.Sessions.objects.create(
+                    device=device,
+                    password=device.password,
+                    version=headers_data['device-version'],
+                    mac=headers_data['device-mac'],
+                    ip=get_client_ip(request),
+                    sdk=headers_data['device-sdk'],
+                    serial=headers_data['device-serial'],
+                    latitude=headers_data['device-lot'],
+                    longitude=headers_data['device-lng'],
+                )
+            return Response({
+                "message": "login success - session activated",
+                "device_identity": device.device_identity,
+                "serial": device.serial
+            }, status=status.HTTP_200_OK)
+
+        pre_device = pos_models.Device.objects.create(
+            serial=serial,
+            sdk=sdk,
+            organization=organization,
+            pre_regitered=True,
+            is_activated=False
+        )
+
+        return Response({
+            "message": "device pre-registered",
+            "device_identity": pre_device.device_identity
+        }, status=status.HTTP_200_OK)
+
+    @action(
+        methods=['post'],
+        detail=False,
+        url_path='merge_devices',
+        url_name='merge_devices',
+        name='merge_devices'
+    )
+    @transaction.atomic
+    def merge_devices(self, request):
+        """ merge pre register device & device has registered by psp user """
+
+        pre_device = self.device_queryset.get(device_identity=request.data['pre_device'])
+        real_device = self.device_queryset.get(device_identity=request.data['real_device'])
+
+        real_device.device_identity = pre_device.device_identity
+        real_device.save()
+
+        pre_device.delete()
+
+        return Response({
+            "message": "device merged successfully",
+            "device_identity": real_device.device_identity,
+            "serial": real_device.serial
+        })