feat: add network existance check before applying modification

pom.xml

@@ -58,6 +58,8 @@
         <sonar.organization>gridsuite</sonar.organization>
         <sonar.projectKey>org.gridsuite:network-modification-server</sonar.projectKey>
         <network-modification.version>1.7.0</network-modification.version>
+        <!-- FIXME remove this in the next powsybl release update -->
+        <network-store-client.version>1.51.0-SNAPSHOT</network-store-client.version>
     </properties>
 
     <build>
@@ -129,6 +131,8 @@
         <dependency>
             <groupId>com.powsybl</groupId>
             <artifactId>powsybl-network-store-client</artifactId>
+            <!-- FIXME remove this in the next powsybl release update -->
+            <version>${network-store-client.version}</version>
         </dependency>
         <dependency>
             <groupId>org.gridsuite</groupId>

src/main/java/org/gridsuite/modification/server/service/NetworkModificationService.java

@@ -507,6 +507,11 @@ void mapUuidsFromTwoModificationsLists(
     }
 
     private CompletableFuture<Optional<NetworkModificationResult>> applyModifications(UUID networkUuid, String variantId, ModificationApplicationGroup modificationGroupInfos) {
+        if (!networkStoreService.networkExists(networkUuid)) {
+            // The network is not loaded
+            return CompletableFuture.completedFuture(Optional.empty());
+        }
+
         if (!modificationGroupInfos.modifications().isEmpty()) {
             PreloadingStrategy preloadingStrategy = modificationGroupInfos.modifications().stream()
                 .filter(m -> m.getActivated() && !m.getStashed())

src/test/java/org/gridsuite/modification/server/service/ModificationIndexationTest.java

@@ -95,6 +95,7 @@ void setUp() {
         when(networkInfos.getNetwork()).thenReturn(network);
         when(networkInfos.getNetworkUuuid()).thenReturn(networkUuid);
         when(networkStoreService.getNetwork(eq(networkInfos.getNetworkUuuid()), any(PreloadingStrategy.class))).thenReturn(network);
+        when(networkStoreService.networkExists(any(UUID.class))).thenReturn(true);
     }
 
     @AfterEach

src/test/java/org/gridsuite/modification/server/service/NetworkModificationServiceTest.java

@@ -6,23 +6,30 @@
  */
 package org.gridsuite.modification.server.service;
 
+import com.powsybl.network.store.client.NetworkStoreService;
 import org.gridsuite.modification.dto.CompositeModificationInfos;
 import org.gridsuite.modification.dto.LoadModificationInfos;
 import org.gridsuite.modification.dto.ModificationInfos;
+import org.gridsuite.modification.server.dto.ModificationApplicationContext;
+import org.gridsuite.modification.server.dto.NetworkModificationsResult;
 import org.gridsuite.modification.server.entities.ModificationEntity;
 import org.gridsuite.modification.server.repositories.ModificationRepository;
 import org.gridsuite.modification.server.repositories.NetworkModificationRepository;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.UUID;
 
 import static org.gridsuite.modification.server.service.NetworkModificationService.MODIFICATION_LIST_SIZE_MISMATCH_ERROR;
 import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
 
 /**
  * @author Mathieu Deharbe <mathieu.deharbe at rte-france.com>
@@ -39,6 +46,9 @@ class NetworkModificationServiceTest {
     @Autowired
     private ModificationRepository modificationRepository;
 
+    @MockitoBean
+    private NetworkStoreService networkStoreService;
+
     @Test
     void shouldMapUuidsFromTwoModificationsLists() {
         UUID sourceModificationUuid1 = UUID.randomUUID();
@@ -210,6 +220,27 @@ void shouldFindParentCompositeOnlyForModificationsNestedInAComposite() {
         assertFalse(parentComposites.containsKey(directGroupChildUuid));
     }
 
+    @Test
+    void shouldNotApplyModificationsWhenNetworkDoesNotExist() {
+        UUID networkUuid = UUID.randomUUID();
+        UUID targetGroupUuid = UUID.randomUUID();
+        List<ModificationInfos> saved = networkModificationRepository.saveModifications(
+                UUID.randomUUID(), List.of(ModificationEntity.fromDTO(dummyModification(UUID.randomUUID()))));
+
+        when(networkStoreService.networkExists(any(UUID.class))).thenReturn(false);
+
+        NetworkModificationsResult result = networkModificationService.duplicateModifications(
+                targetGroupUuid,
+                null,
+                saved.stream().map(ModificationInfos::getUuid).toList(),
+                List.of(new ModificationApplicationContext(networkUuid, "variant", UUID.randomUUID(), UUID.randomUUID(), Set.of()))
+        ).join();
+
+        assertEquals(1, result.modificationUuids().size());
+        assertEquals(1, result.modificationResults().size());
+        assertTrue(result.modificationResults().get(0).isEmpty());
+    }
+
     private static LoadModificationInfos dummyModification(UUID uuid) {
         return LoadModificationInfos.builder()
                 .equipmentId("dummyEquipmentId")