contract signature part is done

core/apps/contracts/views/contract_signature.py

@@ -0,0 +1,44 @@
+from rest_framework import generics, status, permissions, views
+from rest_framework.response import Response
+
+from core.apps.contracts.models.contract import ContractSignature, ContractSignatureCode
+from core.apps.contracts.serializers.contract_signature import ContractSignatureSerializer
+from core.apps.contracts.tasks.contract_signature import send_contract_signature_code
+
+
+class SendContractSignatureCodeApiView(views.APIView):
+    permission_classes = [permissions.IsAuthenticated]    
+    
+    def get(self, request, signature_id):
+        # TODO: create and send code with celery in backgroud
+        send_contract_signature_code.delay(signature_id)
+        return Response({"success": True, "message": "code send"}, status=status.HTTP_200_OK)
+
+
+class SigningContractApiView(generics.GenericAPIView):
+    serializer_class = ContractSignatureSerializer
+    queryset = ContractSignature.objects.all()
+    permission_classes = [permissions.IsAuthenticated]
+
+    def post(self, request):
+        user = request.user
+        serializer = self.serializer_class(data=request.data, context={'user': user})
+        if serializer.is_valid():
+            data = serializer.validated_data
+            contract = data.get('contract')
+            contract_signature = data.get('contract_signature')
+            if contract.company == user:
+                if contract.status == 'created':
+                    contract.status = 'signed_company'
+                elif contract.status == 'signed_customer':
+                    contract.status = 'signed_contract'
+            else:
+                if contract.status == 'created':
+                    contract.status = 'signed_customer'
+                elif contract.status == 'signed_company':
+                    contract.status = 'signed_contract'
+            contract_signature.status = 'signed'
+            contract_signature.save()
+            contract.save()
+            return Response({'success': True, 'message': 'contract is signed'}, status=status.HTTP_200_OK) 
+        return Response({'success': False, 'message': serializer.errors}, status=status.HTTP_400_BAD_REQUEST)