Scenario: Add HS to memory clean and minor comment change.

src/Model/Geometry/Reach.py

@@ -208,7 +208,7 @@ class Reach(SQLSubModel):
         self.modified()
 
     def delete(self, indexes):
-        """Delete some elements in profile list
+        """Set some elements as deleted in profile list
 
         Args:
             indexes: The list of index to delete
@@ -250,7 +250,7 @@ class Reach(SQLSubModel):
         self.modified()
 
     def delete_profiles(self, profiles):
-        """Delete some elements in profile list
+        """Set profiles list as deleted
 
         Args:
             profiles: The list of profile to delete

src/Model/Study.py

@@ -33,6 +33,12 @@ from Model.Status import StudyStatus
 from Model.Except import NotImplementedMethodeError
 from Model.River import River
 from Model.Geometry.Reach import Reach
+from Model.HydraulicStructures.HydraulicStructures import (
+    HydraulicStructure
+)
+from Model.HydraulicStructures.Basic.HydraulicStructures import (
+    BasicHS
+)
 
 from Checker.Study import *
 
@@ -463,18 +469,29 @@ class Study(SQLModel):
 
     @timer
     def memory_clean(self, ids):
+        if len(ids) == 0:
+            return
+
+        reach_class = Reach
+        hs_classes = [HydraulicStructure, BasicHS]
         list_classes = set(PamhyrModelList.__subclasses__())
         dict_classes = set(PamhyrModelDict.__subclasses__())
-        reach_class = Reach
 
         def modifier(obj, data):
             t = type(obj)
 
-            if t in list_classes:
-                obj._lst = list(
+            if t is reach_class:
+                obj._profiles = list(
                     filter(
                         lambda el: el.id not in ids,
-                        obj._lst
+                        obj._profiles
+                    )
+                )
+            elif t in hs_classes:
+                obj._data = list(
+                    filter(
+                        lambda el: el.id not in ids,
+                        obj._data
                     )
                 )
             elif t in dict_classes:
@@ -483,11 +500,11 @@ class Study(SQLModel):
                     if obj._dict[key].id not in ids:
                         new[key] = obj._dict[key]
                 obj._dict = new
-            elif t is reach_class:
-                obj._profiles = list(
+            elif t in list_classes:
+                obj._lst = list(
                     filter(
                         lambda el: el.id not in ids,
-                        obj._profiles
+                        obj._lst
                     )
                 )