adding plan text parser

Author: ayushsinghal90

commons/utils/__init__.py

@@ -0,0 +1,20 @@
+import json
+
+from rest_framework.parsers import BaseParser
+
+
+class PlainTextParser(BaseParser):
+    """
+    Plain text parser that handles SNS messages sent as text/plain
+    """
+
+    media_type = "text/plain"
+
+    def parse(self, stream, media_type=None, parser_context=None):
+        """
+        Simply return a string representing the body of the request.
+        """
+        try:
+            return json.loads(stream.read().decode("utf-8"))
+        except json.JSONDecodeError as e:
+            raise e

commons/utils/parse_plain_text.py

@@ -1,15 +1,18 @@
 from django.utils.decorators import method_decorator
 from django.views.decorators.csrf import csrf_exempt
+from rest_framework.parsers import JSONParser
 from rest_framework.permissions import AllowAny
 from rest_framework.viewsets import ViewSet
 
 from commons.api.responses import ResponseFactory
+from commons.utils.parse_plain_text import PlainTextParser
 from .services import BlockedEmailService
 
 
 @method_decorator(csrf_exempt, name="dispatch")
 class BlockedEmailView(ViewSet):
     permission_classes = [AllowAny]
+    parser_classes = [JSONParser, PlainTextParser]
 
     def __init__(self, blocked_email_service=None, **kwargs):
         super().__init__(**kwargs)