TMSS-1003: Add 'unschedulable' status to SUB and TaskBlueprint and propagate...

TMSS-1003: Add 'unschedulable' status to SUB and TaskBlueprint and propagate its value from Subtask upwards

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

@@ -585,6 +585,7 @@ class SchedulingUnitBlueprint(ProjectPropertyMixin, TemplateSchemaMixin, NamedCo
         INGESTING = "ingesting"
         SCHEDULED = "scheduled"
         SCHEDULABLE = "schedulable"
+        UNSCHEDULABLE = "unschedulable"
         OBSOLETE = "obsolete"
 
     # todo: are many of these fields supposed to be immutable in the database?
@@ -860,6 +861,8 @@ class SchedulingUnitBlueprint(ProjectPropertyMixin, TemplateSchemaMixin, NamedCo
         elif self._any_task_obsolete(status_overview_counter):
             # TODO: in TMSS-850 implement the various conditional aggregations for the 'obsolete' vs 'finished' states
             return SchedulingUnitBlueprint.Status.OBSOLETE.value
+        elif self._any_task_unschedulable(status_overview_counter):
+            return SchedulingUnitBlueprint.Status.UNSCHEDULABLE.value
         elif self._any_task_started_observed_finished(status_overview_counter):
             if not self._all_observation_task_observed_finished(status_overview_counter_per_type):
                 return SchedulingUnitBlueprint.Status.OBSERVING.value
@@ -895,6 +898,10 @@ class SchedulingUnitBlueprint(ProjectPropertyMixin, TemplateSchemaMixin, NamedCo
     def _any_task_obsolete(status_overview_counter):
         return status_overview_counter["obsolete"] > 0
 
+    @staticmethod
+    def _any_task_unschedulable(status_overview_counter):
+        return status_overview_counter["unschedulable"] > 0
+
     @staticmethod
     def _any_task_started_observed_finished(status_overview_counter):
         return (status_overview_counter["started"] + status_overview_counter["observed"] + status_overview_counter["finished"]) > 0
@@ -1132,6 +1139,7 @@ class TaskBlueprint(ProjectPropertyMixin, TemplateSchemaMixin, NamedCommon):
         STARTED = "started"
         SCHEDULED = "scheduled"
         SCHEDULABLE = "schedulable"
+        UNSCHEDULABLE = "unschedulable"
 
     short_description = CharField(max_length=32, help_text='A short description of this task, usually the name of the target and abbreviated task type.', blank=True, default="")
     specifications_doc = JSONField(help_text='Schedulings for this task (IMMUTABLE).')
@@ -1281,6 +1289,9 @@ class TaskBlueprint(ProjectPropertyMixin, TemplateSchemaMixin, NamedCommon):
         if any(s for s in subtasks if s['state'] == 'scheduled'):
             return TaskBlueprint.Status.SCHEDULED.value
 
+        if any(s for s in subtasks if s['state'] == 'unschedulable'):
+            return TaskBlueprint.Status.UNSCHEDULABLE.value
+
         return TaskBlueprint.Status.SCHEDULABLE.value