Added truncate-notifications with commandline input parsing

src/main/java/nl/knaw/dans/dvcli/DdDataverseCli.java

@@ -33,6 +33,7 @@
 import nl.knaw.dans.dvcli.command.CollectionView;
 import nl.knaw.dans.dvcli.command.DatasetCmd;
 import nl.knaw.dans.dvcli.command.DeleteDraft;
+import nl.knaw.dans.dvcli.command.NotificationTruncate;
 import nl.knaw.dans.dvcli.config.DdDataverseCliConfig;
 import nl.knaw.dans.lib.util.AbstractCommandLineApp;
 import nl.knaw.dans.lib.util.PicocliVersionProvider;
@@ -73,7 +74,8 @@ public void configureCommandLine(CommandLine commandLine, DdDataverseCliConfig c
                 .addSubcommand(new CollectionView()))
             .addSubcommand(new CommandLine(new DatasetCmd(dataverseClient))
                 .addSubcommand(new DeleteDraft())
-            );
+            )
+            .addSubcommand(new CommandLine(new NotificationTruncate()));
         log.debug("Configuring command line");
     }
 }

src/main/java/nl/knaw/dans/dvcli/command/NotificationTruncate.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2024 DANS - Data Archiving and Networked Services ([email protected])
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package nl.knaw.dans.dvcli.command;
+
+import picocli.CommandLine;
+
+@CommandLine.Command(name = "truncate-notifications",
+        mixinStandardHelpOptions = true,
+        description = "Remove user notifications but keep up to a specified amount.")
+public class NotificationTruncate extends AbstractCmd {
+    // dataverse truncate-notifications {--user <uid>|--all-users } <number-of-records-to-keep>
+
+    @CommandLine.ArgGroup(exclusive = true, multiplicity = "1")
+    UserOptions users;
+
+    static class UserOptions {
+        @CommandLine.Option(names = { "--user" }, required = true, description = "The user whose notifications to truncate.")
+        private String user;
+        @CommandLine.Option(names = { "--all-users" }, required = true, description = "Truncate notifications for all users.")
+        private boolean allUser;
+    }
+
+    @CommandLine.Parameters(index = "0", paramLabel = "number-of-records-to-keep", description = "The number of notifications to keep.")
+    private int numberOfRecordsToKeep;
+
+    @Override
+    public void doCall() {
+        // show commandline input
+        System.out.println("Truncating notifications...");
+        System.out.println("Number of records to keep: " + numberOfRecordsToKeep);
+        System.out.println("User: " + (users.allUser ? "all users" : users.user));
+
+        throw new UnsupportedOperationException("Not yet implemented.");
+    }
+}