add computation error to log report (#144)

Signed-off-by: Etienne LESOT <[email protected]>

Author: EtienneLt

src/main/java/org/gridsuite/sensitivityanalysis/server/service/SensitivityAnalysisWorkerService.java

@@ -11,6 +11,7 @@
 import com.powsybl.commons.PowsyblException;
 import com.powsybl.commons.extensions.Extension;
 import com.powsybl.commons.report.ReportNode;
+import com.powsybl.commons.report.TypedValue;
 import com.powsybl.contingency.Contingency;
 import com.powsybl.iidm.network.Network;
 import com.powsybl.iidm.network.VariantManagerConstants;
@@ -154,6 +155,12 @@ protected CompletableFuture<Boolean> getCompletableFuture(SensitivityAnalysisRun
                 })
                 .exceptionally(e -> {
                     LOGGER.error("Error occurred during computation", e);
+                    runContext.getReportNode()
+                            .newReportNode()
+                            .withMessageTemplate("sensitivity.analysis.server.sensitivityComputationFailed")
+                            .withUntypedValue("exception", e.getMessage())
+                            .withSeverity(TypedValue.ERROR_SEVERITY)
+                            .add();
                     writer.interrupt();
                     // null means it failed
                     return false;

src/main/resources/org/gridsuite/sensitivityanalysis/server/reports.properties

@@ -8,3 +8,4 @@ sensitivity.analysis.server.reportType = ${reportType} (${providerToUse})
 sensitivity.analysis.server.rootReporterId = ${rootReporterId}
 sensitivity.analysis.server.sensitivityInputParametersTranslationFailure = Failure while building inputs, exception : ${exception}
 sensitivity.analysis.server.sensitivityNodesComputationNotSupported = Sensitivity nodes computation is only supported with OpenLoadFlow : computation ignored
+sensitivity.analysis.server.sensitivityComputationFailed = Sensitivity computation failed with error : ${exception}