TMSS-648: removed weird excaped line ending handling. Added prerequisite for...

TMSS-648: removed weird excaped line ending handling. Added prerequisite for is_feedback_complete, the number of output dataproducts needs to be > 0

SAS/TMSS/backend/src/tmss/tmssapp/models/scheduling.py

@@ -236,8 +236,9 @@ class Subtask(BasicCommon):
 
     @property
     def is_feedback_complete(self) -> bool:
-        '''returns True if the feedback for all output dataproducts is filled in for a non-"empty"-template'''
-        return self.output_dataproducts.filter(feedback_template__isnull=False).exclude(feedback_template__name="empty").count() == self.output_dataproducts.count()
+        '''returns True if the feedback for all (>0) output dataproducts is filled in for a non-"empty"-template'''
+        nr_of_output_dataproducts = self.output_dataproducts.count()
+        return nr_of_output_dataproducts > 0 and self.output_dataproducts.filter(feedback_template__isnull=False).exclude(feedback_template__name="empty").count() == nr_of_output_dataproducts
 
     @property
     def progress(self) -> float:
@@ -291,9 +292,6 @@ class Subtask(BasicCommon):
             if self.start_time is None:
                     raise SubtaskSchedulingException("Cannot schedule subtask id=%s when start time is 'None'." % (self.pk, ))
 
-        if self.raw_feedback and '\\n' in self.raw_feedback:
-            self.raw_feedback = self.raw_feedback.replace('\\n', '\n')
-
         super().save(force_insert, force_update, using, update_fields)
 
         # log if either state update or new entry: