Friction: Add scenario support.

src/Model/AdditionalFile/AddFile.py

@@ -222,7 +222,7 @@ class AddFile(SQLSubModel):
             f"'{self._db_format(self._name)}', " +
             f"'{self._db_format(self._path)}', " +
             f"'{self._db_format(self._text)}', " +
-            f"{self._status.scenario_id}"
+            f"{self._status.scenario_id}" +
             ")"
         )
 

src/Model/Friction/Friction.py

@@ -30,10 +30,11 @@ logger = logging.getLogger()
 
 class Friction(SQLSubModel):
     def __init__(self, id: int = -1,
-                 status=None):
-        super(Friction, self).__init__(id)
-
-        self._status = status
+                 status=None, owner_scenario=-1):
+        super(Friction, self).__init__(
+            id=id, status=status,
+            owner_scenario=owner_scenario
+        )
 
         self._reach = None
         self._begin_rk = 0.0
@@ -46,6 +47,7 @@ class Friction(SQLSubModel):
         execute(f"""
           CREATE TABLE friction{ext} (
             {cls.create_db_add_pamhyr_id()},
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
             ind INTEGER NOT NULL,
             begin_rk REAL NOT NULL,
             end_rk REAL NOT NULL,
@@ -77,6 +79,13 @@ class Friction(SQLSubModel):
 
             cls._db_update_to_0_1_0(execute, data)
 
+        if major == "0" and minor == "1":
+            if release < 2:
+                execute(
+                    "ALTER TABLE friction " +
+                    "ADD COLUMN deleted BOOLEAN NOT NULL DEFAULT FALSE"
+                )
+
         return cls._update_submodel(execute, version, data)
 
     @classmethod
@@ -128,15 +137,22 @@ class Friction(SQLSubModel):
     @classmethod
     def _db_load(cls, execute, data=None):
         new = []
+        scenario = data["scenario"]
+        loaded = data['loaded_pid']
+
+        if scenario is None:
+            return new
 
         reach = data["reach"]
-        status = data["status"]
         stricklers = data["stricklers"].stricklers
 
         table = execute(
-            "SELECT pamhyr_id, begin_rk, end_rk, " +
-            "begin_strickler, end_strickler " +
-            f"FROM friction WHERE reach = {reach.pamhyr_id} " +
+            "SELECT pamhyr_id, deleted, begin_rk, end_rk, " +
+            "begin_strickler, end_strickler, scenario " +
+            f"FROM friction " +
+            f"WHERE reach = {reach.pamhyr_id} " +
+            f"AND scenario = {scenario.id} " +
+            f"AND pamhyr_id NOT IN ({', '.join(map(str, loaded))}) " +
             "ORDER BY ind ASC"
         )
 
@@ -144,10 +160,12 @@ class Friction(SQLSubModel):
             it = iter(row)
 
             pid = next(it)
+            deleted = (next(it) == 1)
             begin_rk = next(it)
             end_rk = next(it)
             begin_strickler_pid = next(it)
             end_strickler_pid = next(it)
+            owner_scenario = next(it)
 
             # Get stricklers
             begin_strickler = None
@@ -167,22 +185,32 @@ class Friction(SQLSubModel):
                     )
                 )
 
-            # Create friction
             new_friction = cls(
-                id=pid,
-                status=status
+                id=pid, status=data['status'],
+                owner_scenario=owner_scenario
             )
+            if deleted:
+                f.set_as_deleted()
+
             new_friction.reach = reach
             new_friction.begin_rk = begin_rk
             new_friction.end_rk = end_rk
             new_friction.begin_strickler = begin_strickler
             new_friction.end_strickler = begin_strickler
 
+            loaded.add(pid)
             new.append(new_friction)
 
+        data["scenario"] = scenario.parent
+        new += cls._db_load(execute, data)
+        data["scenario"] = scenario
+
         return new
 
     def _db_save(self, execute, data=None):
+        if not self.must_be_saved():
+            return True
+
         ind = data["ind"]
 
         b_s_id = -1
@@ -195,13 +223,13 @@ class Friction(SQLSubModel):
 
         execute(
             "INSERT INTO " +
-            "friction(pamhyr_id, ind, begin_rk, end_rk, " +
-            "reach, begin_strickler, end_strickler) " +
+            "friction(pamhyr_id, deleted, ind, begin_rk, end_rk, " +
+            "reach, begin_strickler, end_strickler, scenario) " +
             "VALUES (" +
-            f"{self.id}, {ind}, " +
-            f"{self._begin_rk}, {self._end_rk}, " +
-            f"{self._reach.id}, " +
-            f"{b_s_id}, {e_s_id}" +
+            f"{self.id}, {self._db_format(self.is_deleted())}, " +
+            f"{ind}, {self._begin_rk}, {self._end_rk}, " +
+            f"{self._reach.id}, {b_s_id}, {e_s_id}" +
+            f"{self._status.scenario_id}" +
             ")"
         )
 

src/Model/Friction/FrictionList.py

@@ -22,7 +22,7 @@ from copy import copy
 from tools import trace, timer
 
 from Model.Tools.PamhyrDB import SQLSubModel
-from Model.Tools.PamhyrList import PamhyrModelList
+from Model.Tools.PamhyrListExt import PamhyrModelList
 
 from Model.Friction.Friction import Friction
 
@@ -60,7 +60,10 @@ class FrictionList(PamhyrModelList):
         frictions = self.lst
 
         reach = data["reach"]
-        execute(f"DELETE FROM friction WHERE reach = {reach.id}")
+        execute(
+            f"DELETE FROM friction WHERE reach = {reach.id} " +
+            f"WHERE scenario = {self._status.scenario_id}"
+        )
 
         ok = True
         ind = 0

src/Model/REPLine/REPLine.py

@@ -36,8 +36,6 @@ class REPLine(SQLSubModel):
             owner_scenario=owner_scenario
         )
 
-        self._status = status
-
         self._enabled = enabled
         self._name = f"Line #{self._pamhyr_id}" if name == "" else name
         self._line = line