Refactored code to personalise subject

app/v2/template/post_template.py

@@ -6,6 +6,7 @@ from werkzeug.exceptions import abort
 
 from app import api_user
 from app.dao import templates_dao
+from app.models import SMS_TYPE
 from app.schema_validation import validate
 from app.utils import get_template_instance
 from app.v2.errors import BadRequestError
@@ -16,6 +17,9 @@ from app.v2.template.template_schemas import post_template_preview_request, crea
 @v2_template_blueprint.route("/<template_id>/preview", methods=['POST'])
 def post_template_preview(template_id):
     _data = request.get_json()
+    if _data is None:
+        _data = {}
+
     _data['id'] = template_id
 
     data = validate(_data, post_template_preview_request)
@@ -28,7 +32,10 @@ def post_template_preview(template_id):
 
     check_placeholders(template_object)
 
+    subject = template_object.subject if template.template_type != SMS_TYPE else None
+
     resp = create_post_template_preview_response(template=template,
+                                                 subject=subject,
                                                  body=str(template_object))
 
     return jsonify(resp), 200