fix: crash when unknown mode spec folder fix

Author: alexisszmundy

src/main/java/fr/insee/genesis/controller/utils/ControllerUtils.java

@@ -4,6 +4,7 @@
 import java.util.Collections;
 import java.util.List;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -12,6 +13,7 @@
 import fr.insee.genesis.infrastructure.utils.FileUtils;
 
 @Component
+@Slf4j
 public class ControllerUtils {
 
 	private final FileUtils fileUtils;
@@ -30,11 +32,17 @@ public List<Mode> getModesList(String campaign, Mode modeSpecified) throws Genes
 		}
 		List<Mode> modes = new ArrayList<>();
 		String specFolder = fileUtils.getSpecFolder(campaign);
-		List<String> specFolders = fileUtils.listFolders(specFolder);
-		if (specFolders.isEmpty()) {
+		List<String> modeSpecFolders = fileUtils.listFolders(specFolder);
+		if (modeSpecFolders.isEmpty()) {
 			throw new GenesisException(404, "No specification folder found " + specFolder);
 		}
-		specFolders.forEach(modeLabel -> modes.add(Mode.getEnumFromModeName(modeLabel)));
+		for(String modeSpecFolder : modeSpecFolders){
+			if(Mode.getEnumFromModeName(modeSpecFolder) == null) {
+				log.warn("There is an invalid mode folder name in spec folder : {}", modeSpecFolder);
+				continue;
+			}
+			modes.add(Mode.getEnumFromModeName(modeSpecFolder));
+		}
 		if (modes.contains(Mode.F2F) && modes.contains(Mode.TEL)) {
 			throw new GenesisException(409, "Cannot treat simultaneously TEL and FAF modes");
 		}