Add sendMessageRequestResponse command

src/main/java/org/asamk/signal/commands/Commands.java

@@ -39,6 +39,7 @@ public class Commands {
         addCommand(new RemoteDeleteCommand());
         addCommand(new SendCommand());
         addCommand(new SendContactsCommand());
+        addCommand(new SendMessageRequestResponseCommand());
         addCommand(new SendPaymentNotificationCommand());
         addCommand(new SendReactionCommand());
         addCommand(new SendReceiptCommand());

src/main/java/org/asamk/signal/commands/MessageRequestResponseType.java

@@ -0,0 +1,16 @@
+package org.asamk.signal.commands;
+
+enum MessageRequestResponseType {
+    ACCEPT {
+        @Override
+        public String toString() {
+            return "accept";
+        }
+    },
+    DELETE {
+        @Override
+        public String toString() {
+            return "delete";
+        }
+    }
+}

src/main/java/org/asamk/signal/commands/SendMessageRequestResponseCommand.java

@@ -0,0 +1,49 @@
+package org.asamk.signal.commands;
+
+import net.sourceforge.argparse4j.impl.Arguments;
+import net.sourceforge.argparse4j.inf.Namespace;
+import net.sourceforge.argparse4j.inf.Subparser;
+
+import org.asamk.signal.commands.exceptions.CommandException;
+import org.asamk.signal.manager.Manager;
+import org.asamk.signal.manager.api.MessageEnvelope.Sync.MessageRequestResponse.Type;
+import org.asamk.signal.output.OutputWriter;
+import org.asamk.signal.util.CommandUtil;
+
+public class SendMessageRequestResponseCommand implements JsonRpcLocalCommand {
+
+    @Override
+    public String getName() {
+        return "sendMessageRequestResponse";
+    }
+
+    @Override
+    public void attachToSubparser(final Subparser subparser) {
+        subparser.help("Send response to a message request to linked devices.");
+        subparser.addArgument("-g", "--group-id", "--group").help("Specify the recipient group ID.").nargs("*");
+        subparser.addArgument("recipient").help("Specify the recipients' phone number.").nargs("*");
+        subparser.addArgument("-u", "--username").help("Specify the recipient username or username link.").nargs("*");
+        subparser.addArgument("--type")
+                .help("Type of message request response")
+                .type(Arguments.enumStringType(MessageRequestResponseType.class))
+                .required(true);
+    }
+
+    @Override
+    public void handleCommand(
+            final Namespace ns, final Manager m, final OutputWriter outputWriter
+    ) throws CommandException {
+        final var recipientStrings = ns.<String>getList("recipient");
+        final var groupIdStrings = ns.<String>getList("group-id");
+        final var usernameStrings = ns.<String>getList("username");
+        final var type = ns.<MessageRequestResponseType>get("type");
+
+        final var recipientIdentifiers = CommandUtil.getRecipientIdentifiers(m,
+                false,
+                recipientStrings,
+                groupIdStrings,
+                usernameStrings);
+        m.sendMessageRequestResponse(type == MessageRequestResponseType.ACCEPT ? Type.ACCEPT : Type.DELETE,
+                recipientIdentifiers);
+    }
+}

src/main/java/org/asamk/signal/dbus/DbusManagerImpl.java

@@ -472,6 +472,14 @@ public class DbusManagerImpl implements Manager {
         return new SendMessageResults(0, Map.of());
     }
 
+    @Override
+    public SendMessageResults sendMessageRequestResponse(
+            final MessageEnvelope.Sync.MessageRequestResponse.Type type,
+            final Set<RecipientIdentifier> recipientIdentifiers
+    ) {
+        throw new UnsupportedOperationException();
+    }
+
     public void hideRecipient(final RecipientIdentifier.Single recipient) {
         throw new UnsupportedOperationException();
     }