Add the shunt compensators modifications in the voltage init modification

src/main/java/org/gridsuite/modification/server/dto/VoltageInitModificationInfos.java

@@ -46,6 +46,9 @@ public class VoltageInitModificationInfos extends ModificationInfos {
     @Schema(description = "vsc converter station modifications")
     private List<VoltageInitVscConverterStationModificationInfos> vscConverterStations;
 
+    @Schema(description = "shunt compensator modifications")
+    private List<VoltageInitShuntCompensatorModificationInfos> shuntCompensators;
+
     @Override
     public ModificationEntity toEntity() {
         return new VoltageInitModificationEntity(this);

src/main/java/org/gridsuite/modification/server/dto/VoltageInitShuntCompensatorModificationInfos.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.gridsuite.modification.server.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.experimental.SuperBuilder;
+
+/**
+ * @author Franck Lecuyer <franck.lecuyer at rte-france.com>
+ */
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@Schema(description = "Voltage init shunt compensator modification infos")
+public class VoltageInitShuntCompensatorModificationInfos {
+    @Schema(description = "Shunt compensator id")
+    private String shuntCompensatorId;
+
+    @Schema(description = "Section count")
+    private Integer sectionCount;
+
+    @Schema(description = "Connexion")
+    private Boolean connect;
+}

src/main/java/org/gridsuite/modification/server/entities/equipment/modification/VoltageInitModificationEntity.java

@@ -13,6 +13,7 @@
 import org.gridsuite.modification.server.dto.VoltageInitGeneratorModificationInfos;
 import org.gridsuite.modification.server.dto.VoltageInitModificationInfos;
 import org.gridsuite.modification.server.dto.ModificationInfos;
+import org.gridsuite.modification.server.dto.VoltageInitShuntCompensatorModificationInfos;
 import org.gridsuite.modification.server.dto.VoltageInitStaticVarCompensatorModificationInfos;
 import org.gridsuite.modification.server.dto.VoltageInitTransformerModificationInfos;
 import org.gridsuite.modification.server.dto.VoltageInitVscConverterStationModificationInfos;
@@ -61,6 +62,12 @@ public class VoltageInitModificationEntity extends ModificationEntity {
         foreignKey = @ForeignKey(name = "VoltageInitModificationEntity_vsc_converter_stations_fk1"))
     private List<VoltageInitVscConverterStationModificationEmbeddable> vscConverterStations;
 
+    @ElementCollection
+    @CollectionTable(name = "voltageInitShuntCompensatorsModification",
+        indexes = {@Index(name = "VoltageInitModificationEntity_shunt_compensators_idx1", columnList = "voltage_init_modification_entity_id")},
+        foreignKey = @ForeignKey(name = "VoltageInitModificationEntity_shunt_compensators_fk1"))
+    private List<VoltageInitShuntCompensatorModificationEmbeddable> shuntCompensators;
+
     public VoltageInitModificationEntity(VoltageInitModificationInfos voltageInitModificationInfos) {
         super(voltageInitModificationInfos);
         assignAttributes(voltageInitModificationInfos);
@@ -77,6 +84,7 @@ private void assignAttributes(VoltageInitModificationInfos voltageInitModificati
         transformers = toEmbeddableVoltageInitTransformers(voltageInitModificationInfos.getTransformers());
         staticVarCompensators = toEmbeddableVoltageInitStaticVarCompensators(voltageInitModificationInfos.getStaticVarCompensators());
         vscConverterStations = toEmbeddableVoltageInitVscConverterStations(voltageInitModificationInfos.getVscConverterStations());
+        shuntCompensators = toEmbeddableVoltageInitShuntCompensators(voltageInitModificationInfos.getShuntCompensators());
     }
 
     public static List<VoltageInitGeneratorModificationEmbeddable> toEmbeddableVoltageInitGenerators(List<VoltageInitGeneratorModificationInfos> generators) {
@@ -131,6 +139,19 @@ private List<VoltageInitVscConverterStationModificationInfos> toVscConverterStat
             .collect(Collectors.toList()) : null;
     }
 
+    public static List<VoltageInitShuntCompensatorModificationEmbeddable> toEmbeddableVoltageInitShuntCompensators(List<VoltageInitShuntCompensatorModificationInfos> shuntCompensators) {
+        return shuntCompensators == null ? null : shuntCompensators.stream()
+            .map(shuntCompensator -> new VoltageInitShuntCompensatorModificationEmbeddable(shuntCompensator.getShuntCompensatorId(), shuntCompensator.getSectionCount(), shuntCompensator.getConnect()))
+            .collect(Collectors.toList());
+    }
+
+    private List<VoltageInitShuntCompensatorModificationInfos> toShuntCompensatorsModification(List<VoltageInitShuntCompensatorModificationEmbeddable> shuntCompensators) {
+        return shuntCompensators != null ? shuntCompensators
+            .stream()
+            .map(shuntCompensator -> new VoltageInitShuntCompensatorModificationInfos(shuntCompensator.getShuntCompensatorId(), shuntCompensator.getSectionCount(), shuntCompensator.getConnect()))
+            .collect(Collectors.toList()) : null;
+    }
+
     @Override
     public VoltageInitModificationInfos toModificationInfos() {
         return VoltageInitModificationInfos.builder()
@@ -140,6 +161,7 @@ public VoltageInitModificationInfos toModificationInfos() {
             .transformers(toTransformersModification(transformers))
             .staticVarCompensators(toStaticVarCompensatorsModification(staticVarCompensators))
             .vscConverterStations(toVscConverterStationsModification(vscConverterStations))
+            .shuntCompensators(toShuntCompensatorsModification(shuntCompensators))
             .build();
     }
 }

src/main/java/org/gridsuite/modification/server/entities/equipment/modification/VoltageInitShuntCompensatorModificationEmbeddable.java

@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2023, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+package org.gridsuite.modification.server.entities.equipment.modification;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+
+/**
+ * @author Franck Lecuyer <franck.lecuyer at rte-france.com>
+ */
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Embeddable
+public class VoltageInitShuntCompensatorModificationEmbeddable {
+    @Column
+    private String shuntCompensatorId;
+
+    @Column
+    private Integer sectionCount;
+
+    @Column
+    private Boolean connect;
+}

src/main/java/org/gridsuite/modification/server/modifications/VoltageInitModification.java

@@ -13,13 +13,17 @@
 import com.powsybl.commons.reporter.TypedValue;
 import com.powsybl.iidm.network.Generator;
 import com.powsybl.iidm.network.Network;
+import com.powsybl.iidm.network.ShuntCompensator;
 import com.powsybl.iidm.network.StaticVarCompensator;
+import com.powsybl.iidm.network.Terminal;
 import com.powsybl.iidm.network.ThreeWindingsTransformer;
 import com.powsybl.iidm.network.TwoWindingsTransformer;
 import com.powsybl.iidm.network.VscConverterStation;
 import org.gridsuite.modification.server.NetworkModificationException;
 import org.gridsuite.modification.server.dto.VoltageInitModificationInfos;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 
 import static org.gridsuite.modification.server.NetworkModificationException.Type.VOLTAGE_INIT_MODIFICATION_ERROR;
@@ -38,6 +42,11 @@ public class VoltageInitModification extends AbstractModification {
     private static final String VSC_CONVERTER_STATION_MSG = "Vsc converter station ";
     private static final String VOLTAGE_SET_POINT = "Voltage set point";
     private static final String REACTIVE_POWER_SET_POINT = "Reactive power set point";
+    private static final String SHUNT_COMPENSATOR_MSG = "Shunt compensator ";
+    private static final String SECTION_COUNT = "Section count";
+    private static final String SHUNT_SECTION_COUNT_VALUE_IGNORED_KEY = "shuntCompensatorSectionCountValueIgnored";
+    private static final String SHUNT_SECTION_COUNT_VALUE_CANNOT_BE_APPLIED = "Section count value ${value} cannot be applied : it should be 0 or 1";
+    private static final String VALUE = "value";
 
     public VoltageInitModification(VoltageInitModificationInfos voltageInitModificationInfos) {
         this.voltageInitModificationInfos = voltageInitModificationInfos;
@@ -51,14 +60,19 @@ public void check(Network network) throws NetworkModificationException {
     }
 
     private void report(Reporter reporter, String key, String defaultMessage, Map<String, Object> values, TypedValue severity) {
+        Report report = createReport(key, defaultMessage, values, severity, 0);
+        reporter.report(report);
+    }
+
+    private Report createReport(String key, String defaultMessage, Map<String, Object> values, TypedValue severity, int indentationLevel) {
         ReportBuilder builder = Report.builder()
             .withKey(key)
-            .withDefaultMessage(defaultMessage)
+            .withDefaultMessage(" ".repeat(indentationLevel * 4) + defaultMessage)
             .withSeverity(severity);
         for (Map.Entry<String, Object> valueEntry : values.entrySet()) {
             builder.withValue(valueEntry.getKey(), valueEntry.getValue().toString());
         }
-        reporter.report(builder.build());
+        return builder.build();
     }
 
     private void applyGeneratorModification(Network network, Reporter subReporter) {
@@ -185,6 +199,65 @@ private void applyVscConverterStationModification(Network network, Reporter subR
         });
     }
 
+    private void applyShuntCompensatorModification(Network network, Reporter subReporter) {
+        voltageInitModificationInfos.getShuntCompensators().forEach(m -> {
+            ShuntCompensator shuntCompensator = network.getShuntCompensator(m.getShuntCompensatorId());
+            if (shuntCompensator == null) {
+                Reporter reporter = subReporter.createSubReporter(SHUNT_COMPENSATOR_MSG + m.getShuntCompensatorId(), SHUNT_COMPENSATOR_MSG + m.getShuntCompensatorId());
+                report(reporter, "shuntCompensatorNotFound", "Shunt compensator with id=${id} not found", Map.of("id", m.getShuntCompensatorId()), TypedValue.WARN_SEVERITY);
+                return;
+            }
+            if (m.getSectionCount() != null || m.getConnect() != null) {
+                List<Report> reports = new ArrayList<>();
+
+                int currentSectionCount = shuntCompensator.getSectionCount();
+
+                Terminal shuntCompensatorTerminal = shuntCompensator.getTerminal();
+                if (shuntCompensatorTerminal.isConnected()) {  // shunt compensator is connected
+                    if (m.getSectionCount() == null) {
+                        reports.add(createReport("shuntCompensatorSectionCountUndefined", "Section count value is undefined", Map.of(), TypedValue.WARN_SEVERITY, 1));
+                    } else if (m.getSectionCount() > 1) {
+                        reports.add(createReport(SHUNT_SECTION_COUNT_VALUE_IGNORED_KEY, SHUNT_SECTION_COUNT_VALUE_CANNOT_BE_APPLIED, Map.of(VALUE, m.getSectionCount()), TypedValue.WARN_SEVERITY, 1));
+                    } else if (currentSectionCount > 1) {
+                        reports.add(createReport("shuntCompensatorCurrentSectionCountValueIgnored", "Current section count value ${value} should be 0 or 1", Map.of(VALUE, currentSectionCount), TypedValue.WARN_SEVERITY, 1));
+                    } else {
+                        if (m.getSectionCount() == 0) {
+                            shuntCompensatorTerminal.disconnect();
+                            reports.add(createReport("shuntCompensatorDisconnected", "Shunt compensator disconnected", Map.of(), TypedValue.INFO_SEVERITY, 1));
+                        }
+                        if (m.getSectionCount() != currentSectionCount) {
+                            shuntCompensator.setSectionCount(m.getSectionCount());
+                            reports.add(ModificationUtils.getInstance().buildModificationReportWithIndentation(currentSectionCount, m.getSectionCount(), SECTION_COUNT, 1));
+                        }
+                    }
+                } else {  // shunt compensator is disconnected
+                    if (m.getConnect() == null) {
+                        reports.add(createReport("shuntCompensatorConnectUndefined", "Connect value is undefined", Map.of(), TypedValue.WARN_SEVERITY, 1));
+                    } else if (m.getSectionCount() > 1) {
+                        reports.add(createReport(SHUNT_SECTION_COUNT_VALUE_IGNORED_KEY, SHUNT_SECTION_COUNT_VALUE_CANNOT_BE_APPLIED, Map.of(VALUE, m.getSectionCount()), TypedValue.WARN_SEVERITY, 1));
+                    } else if (currentSectionCount > 1) {
+                        reports.add(createReport("shuntCompensatorCurrentSectionCountValueIgnored", "Current section count value ${value} should be 0 or 1", Map.of(VALUE, currentSectionCount), TypedValue.WARN_SEVERITY, 1));
+                    } else {
+                        if (Boolean.TRUE.equals(m.getConnect()) && m.getSectionCount() == 1) {
+                            shuntCompensatorTerminal.connect();
+                            reports.add(createReport("shuntCompensatorReconnected", "Shunt compensator reconnected", Map.of(), TypedValue.INFO_SEVERITY, 1));
+                        }
+                        if (m.getSectionCount() != currentSectionCount) {
+                            shuntCompensator.setSectionCount(m.getSectionCount());
+                            reports.add(ModificationUtils.getInstance().buildModificationReportWithIndentation(currentSectionCount, m.getSectionCount(), SECTION_COUNT, 1));
+                        }
+                    }
+                }
+
+                if (!reports.isEmpty()) {
+                    Reporter reporter = subReporter.createSubReporter(SHUNT_COMPENSATOR_MSG + m.getShuntCompensatorId(), SHUNT_COMPENSATOR_MSG + m.getShuntCompensatorId());
+                    report(reporter, "shuntCompensatorModification", "Shunt compensator with id=${id} modified :", Map.of("id", m.getShuntCompensatorId()), TypedValue.INFO_SEVERITY);
+                    reports.forEach(reporter::report);
+                }
+            }
+        });
+    }
+
     @Override
     public void apply(Network network, Reporter subReporter) {
         // apply generators modifications
@@ -198,5 +271,8 @@ public void apply(Network network, Reporter subReporter) {
 
         // apply vsc converter stations modifications
         applyVscConverterStationModification(network, subReporter);
+
+        // apply shunt compensators modifications
+        applyShuntCompensatorModification(network, subReporter);
     }
 }

src/main/resources/db/changelog/changesets/changelog_20230907T121742Z.xml

@@ -0,0 +1,21 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:pro="http://www.liquibase.org/xml/ns/pro" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/pro http://www.liquibase.org/xml/ns/pro/liquibase-pro-4.1.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.1.xsd">
+    <changeSet author="lecuyerfra (generated)" id="1694089088065-7">
+        <createTable tableName="voltage_init_shunt_compensators_modification">
+            <column name="voltage_init_modification_entity_id" type="UUID">
+                <constraints nullable="false"/>
+            </column>
+            <column name="connect" type="BOOLEAN"/>
+            <column name="section_count" type="INT"/>
+            <column name="shunt_compensator_id" type="VARCHAR(255)"/>
+        </createTable>
+    </changeSet>
+    <changeSet author="lecuyerfra (generated)" id="1694089088065-9">
+        <createIndex indexName="VoltageInitModificationEntity_shunt_compensators_idx1" tableName="voltage_init_shunt_compensators_modification">
+            <column name="voltage_init_modification_entity_id"/>
+        </createIndex>
+    </changeSet>
+    <changeSet author="lecuyerfra (generated)" id="1694089088065-10">
+        <addForeignKeyConstraint baseColumnNames="voltage_init_modification_entity_id" baseTableName="voltage_init_shunt_compensators_modification" constraintName="VoltageInitModificationEntity_shunt_compensators_fk1" deferrable="false" initiallyDeferred="false" referencedColumnNames="id" referencedTableName="voltage_init_modification" validate="true"/>
+    </changeSet>
+</databaseChangeLog>

src/main/resources/db/changelog/db.changelog-master.yaml

@@ -191,4 +191,7 @@ databaseChangeLog:
       relativeToChangelogFile: true
   - include:
       file: changesets/changelog_20230816T150718Z.xml
+      relativeToChangelogFile: true
+  - include:
+      file: changesets/changelog_20230907T121742Z.xml
       relativeToChangelogFile: true

src/test/java/org/gridsuite/modification/server/ModificationControllerTest.java

@@ -1261,6 +1261,22 @@ public void testCreateVoltageInitModification() throws Exception {
                     .vscConverterStationId("VSC2")
                     .voltageSetpoint(224.)
                     .build()))
+            .shuntCompensators(List.of(
+                VoltageInitShuntCompensatorModificationInfos.builder()
+                    .shuntCompensatorId("v2shunt")
+                    .sectionCount(1)
+                    .connect(true)
+                    .build(),
+                VoltageInitShuntCompensatorModificationInfos.builder()
+                    .shuntCompensatorId("v5shunt")
+                    .sectionCount(0)
+                    .connect(false)
+                    .build(),
+                VoltageInitShuntCompensatorModificationInfos.builder()
+                    .shuntCompensatorId("v6shunt")
+                    .sectionCount(1)
+                    .connect(false)
+                    .build()))
             .build();
 
         MvcResult mvcResult = mockMvc.perform(post("/v1/groups/modification")