TMSS-1939 & TMSS-1745: added implementation hint for TMSS-1745

SAS/TMSS/backend/services/scheduling/lib/dynamic_scheduling.py

@@ -318,6 +318,12 @@ class Scheduler:
 
         logger.debug("find_best_next_schedulable_unit: units to score between '%s' and '%s': %s", lower_bound_start_time, upper_bound_stop_time, ','.join([str(su.id) for su in sorted(units_to_score, key=lambda x: x.id)]) or 'None')
 
+        #ToDo: TMSS-1745 Add unschedulable reasons
+        # implementation hint: subtract units_to_score from scheduling_units giving you the not_to_be_scheduled_units list
+        # then ask for each unit in this list if it can be run after lower_bound_start_time
+        # if not, call each evaluate_x_contraints method. If contraint not met, then you know which constraint is not met and why.
+        # return the correct reason as given in the ticket for each un-met constraint type.
+
         # from the filtered down list of units, compute the (weighted) scores, and return the best scoring one.
         best_scored_scheduling_unit = get_best_scored_scheduling_unit_scored_by_constraints(units_to_score, lower_bound_start_time, upper_bound_stop_time, self.search_gridder, self.fine_gridder)