front: fix bug calling pathfinding twice

front/src/modules/pathfinding/hooks/usePathfinding.ts

@@ -28,6 +28,7 @@ import type { PathStep } from 'reducers/osrdconf/types';
 import { useAppDispatch } from 'store';
 import { isEmptyArray } from 'utils/array';
 import { castErrorToFailure } from 'utils/error';
+import { usePrevious } from 'utils/hooks/state';
 
 import useInfraStatus from './useInfraStatus';
 
@@ -150,17 +151,28 @@ export const usePathfinding = (
 ) => {
   const { t } = useTranslation(['operationalStudies/manageTrainSchedule']);
   const dispatch = useAppDispatch();
-  const { getInfraID, getOrigin, getDestination, getVias, getPathSteps, getPowerRestriction } =
-    useOsrdConfSelectors();
+  const {
+    getInfraID,
+    getOrigin,
+    getDestination,
+    getVias,
+    getPathSteps,
+    getPowerRestriction,
+    getPathStepsCompletedWithPFResult,
+  } = useOsrdConfSelectors();
   const infraId = useSelector(getInfraID, isEqual);
   const origin = useSelector(getOrigin, isEqual);
   const destination = useSelector(getDestination, isEqual);
   const vias = useSelector(getVias(), isEqual);
   const pathSteps = useSelector(getPathSteps);
+  const pathStepsCompletedWithPF = useSelector(getPathStepsCompletedWithPFResult);
   const powerRestrictions = useSelector(getPowerRestriction);
   const { infra, reloadCount, setIsInfraError } = useInfraStatus();
   const { rollingStock } = useStoreDataForRollingStockSelector();
 
+  const previousOrigin = usePrevious(origin);
+  const previousDestination = usePrevious(destination);
+
   const initializerArgs = {
     origin,
     destination,
@@ -196,6 +208,11 @@ export const usePathfinding = (
   };
 
   useEffect(() => {
+    // ignore update made automatically to vias from pathfinding result
+    // we want only the changes asked manually by user
+    if (pathStepsCompletedWithPF) {
+      return;
+    }
     if (isPathfindingInitialized) {
       pathfindingDispatch({
         type: 'VIAS_CHANGED',
@@ -209,6 +226,12 @@ export const usePathfinding = (
   }, [vias]);
 
   useEffect(() => {
+    if (
+      (previousOrigin !== origin || previousDestination !== destination) &&
+      pathStepsCompletedWithPF
+    ) {
+      return;
+    }
     if (isPathfindingInitialized) {
       pathfindingDispatch({
         type: 'PATHFINDING_PARAM_CHANGED',
@@ -339,7 +362,11 @@ export const usePathfinding = (
                 );
               }
               dispatch(
-                updatePathSteps({ pathSteps: updatedPathSteps, resetPowerRestrictions: true })
+                updatePathSteps({
+                  pathSteps: updatedPathSteps,
+                  resetPowerRestrictions: true,
+                  completedWithPFResult: true,
+                })
               );
 
               const allWaypoints = upsertPathStepsInOPs(

front/src/reducers/osrdconf/osrdConfCommon/index.ts

@@ -46,6 +46,7 @@ export const defaultCommonConf: OsrdConfState = {
   featureInfoClick: { displayPopup: false },
   // Corresponds to origin and destination not defined
   pathSteps: [null, null],
+  pathStepsCompletedWithPFResult: false,
   rollingStockComfort: 'STANDARD' as const,
   startTime: new Date().toISOString(),
 };
@@ -75,7 +76,11 @@ interface CommonConfReducers<S extends OsrdConfState> extends InfraStateReducers
   ['updateFeatureInfoClick']: CaseReducer<S, PayloadAction<S['featureInfoClick']>>;
   ['updatePathSteps']: CaseReducer<
     S,
-    PayloadAction<{ pathSteps: S['pathSteps']; resetPowerRestrictions?: boolean }>
+    PayloadAction<{
+      pathSteps: S['pathSteps'];
+      resetPowerRestrictions?: boolean;
+      completedWithPFResult?: boolean;
+    }>
   >;
   ['deleteItinerary']: CaseReducer<S>;
   ['clearVias']: CaseReducer<S>;
@@ -165,6 +170,7 @@ export function buildCommonConfReducers<S extends OsrdConfState>(): CommonConfRe
         }
         return pathStep;
       });
+      state.pathStepsCompletedWithPFResult = false;
     },
     updateGridMarginBefore(state: Draft<S>, action: PayloadAction<S['gridMarginBefore']>) {
       state.gridMarginBefore = action.payload;
@@ -178,23 +184,31 @@ export function buildCommonConfReducers<S extends OsrdConfState>(): CommonConfRe
     },
     updatePathSteps(
       state: Draft<S>,
-      action: PayloadAction<{ pathSteps: S['pathSteps']; resetPowerRestrictions?: boolean }>
+      action: PayloadAction<{
+        pathSteps: S['pathSteps'];
+        resetPowerRestrictions?: boolean;
+        completedWithPFResult?: boolean;
+      }>
     ) {
       state.pathSteps = action.payload.pathSteps;
+      state.pathStepsCompletedWithPFResult = action.payload.completedWithPFResult || false;
       if (action.payload.resetPowerRestrictions) {
         state.powerRestriction = [];
       }
     },
     deleteItinerary(state: Draft<S>) {
       state.pathSteps = [null, null];
+      state.pathStepsCompletedWithPFResult = false;
     },
     clearVias(state: Draft<S>) {
       state.pathSteps = [state.pathSteps[0], state.pathSteps[state.pathSteps.length - 1]];
+      state.pathStepsCompletedWithPFResult = false;
     },
     // Use this action in the via list, not the suggested op list
     deleteVia(state: Draft<S>, action: PayloadAction<number>) {
       // Index takes count of the origin in the array
       state.pathSteps = removeElementAtIndex(state.pathSteps, action.payload + 1);
+      state.pathStepsCompletedWithPFResult = false;
     },
     // Use this action only to via added by click on map
     addVia(
@@ -209,10 +223,12 @@ export function buildCommonConfReducers<S extends OsrdConfState>(): CommonConfRe
         action.payload.newVia,
         action.payload.pathProperties
       );
+      state.pathStepsCompletedWithPFResult = false;
     },
     moveVia: {
       reducer: (state: Draft<S>, action: PayloadAction<S['pathSteps']>) => {
         state.pathSteps = action.payload;
+        state.pathStepsCompletedWithPFResult = false;
       },
       prepare: (vias: S['pathSteps'], from: number, to: number) => {
         const newVias = Array.from(vias);
@@ -227,11 +243,13 @@ export function buildCommonConfReducers<S extends OsrdConfState>(): CommonConfRe
     // from the suggested via modal
     upsertViaFromSuggestedOP(state: Draft<S>, action: PayloadAction<SuggestedOP>) {
       upsertPathStep(state.pathSteps, action.payload);
+      state.pathStepsCompletedWithPFResult = false;
     },
     upsertSeveralViasFromSuggestedOP(state: Draft<S>, action: PayloadAction<SuggestedOP[]>) {
       action.payload.forEach((suggestedOp) => {
         upsertPathStep(state.pathSteps, suggestedOp);
       });
+      state.pathStepsCompletedWithPFResult = false;
     },
     updateRollingStockComfort(state: Draft<S>, action: PayloadAction<S['rollingStockComfort']>) {
       state.rollingStockComfort = action.payload;

front/src/reducers/osrdconf/osrdConfCommon/selectors.ts

@@ -49,6 +49,7 @@ const buildCommonConfSelectors = <ConfState extends OsrdConfState>(
     getPowerRestriction: makeOsrdConfSelector('powerRestriction'),
     getFeatureInfoClick: makeOsrdConfSelector('featureInfoClick'),
     getPathSteps,
+    getPathStepsCompletedWithPFResult: makeOsrdConfSelector('pathStepsCompletedWithPFResult'),
     getOrigin: (state: RootState) => {
       const pathSteps = getPathSteps(state);
       return pathSteps[0];

front/src/reducers/osrdconf/types.ts

@@ -39,6 +39,7 @@ export interface OsrdConfState extends InfraState {
   gridMarginAfter?: number;
   featureInfoClick: { displayPopup: boolean; feature?: Feature; coordinates?: number[] };
   pathSteps: (PathStep | null)[];
+  pathStepsCompletedWithPFResult: boolean;
   rollingStockComfort: Comfort;
   // Format ISO 8601
   startTime: string;