Implement JsonRpc command for quitGroup

[signal-cli] / src / main / java / org / asamk / signal / commands / QuitGroupCommand.java

diff --git a/src/main/java/org/asamk/signal/commands/QuitGroupCommand.java b/src/main/java/org/asamk/signal/commands/QuitGroupCommand.java
index 338163b09532421d8687cb30d39e6ebb657635d5..af5d600c62df728dc82233c117e52b728ce643b0 100644 (file)
--- a/src/main/java/org/asamk/signal/commands/QuitGroupCommand.java
+++ b/src/main/java/org/asamk/signal/commands/QuitGroupCommand.java
@@ -1,51 +1,96 @@
 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.JsonWriter;
+import org.asamk.signal.OutputWriter;
+import org.asamk.signal.PlainTextWriter;
+import org.asamk.signal.commands.exceptions.CommandException;
+import org.asamk.signal.commands.exceptions.IOErrorException;
+import org.asamk.signal.commands.exceptions.UserErrorException;
 import org.asamk.signal.manager.Manager;
+import org.asamk.signal.manager.groups.GroupId;
 import org.asamk.signal.manager.groups.GroupIdFormatException;
 import org.asamk.signal.manager.groups.GroupNotFoundException;
+import org.asamk.signal.manager.groups.LastGroupAdminException;
 import org.asamk.signal.manager.groups.NotAGroupMemberException;
 import org.asamk.signal.util.Util;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.whispersystems.signalservice.api.util.InvalidNumberException;
 
 import java.io.IOException;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 
-import static org.asamk.signal.util.ErrorUtils.handleAssertionError;
-import static org.asamk.signal.util.ErrorUtils.handleGroupIdFormatException;
-import static org.asamk.signal.util.ErrorUtils.handleGroupNotFoundException;
-import static org.asamk.signal.util.ErrorUtils.handleIOException;
-import static org.asamk.signal.util.ErrorUtils.handleNotAGroupMemberException;
-import static org.asamk.signal.util.ErrorUtils.handleTimestampAndSendMessageResults;
+import static org.asamk.signal.util.ErrorUtils.handleSendMessageResults;
 
-public class QuitGroupCommand implements LocalCommand {
+public class QuitGroupCommand implements JsonRpcLocalCommand {
 
-    @Override
-    public void attachToSubparser(final Subparser subparser) {
-        subparser.addArgument("-g", "--group").required(true).help("Specify the recipient group ID.");
+    private final static Logger logger = LoggerFactory.getLogger(QuitGroupCommand.class);
+    private final OutputWriter outputWriter;
+
+    public QuitGroupCommand(final OutputWriter outputWriter) {
+        this.outputWriter = outputWriter;
+    }
+
+    public static void attachToSubparser(final Subparser subparser) {
+        subparser.help("Send a quit group message to all group members and remove self from member list.");
+        subparser.addArgument("-g", "--group-id", "--group").required(true).help("Specify the recipient group ID.");
+        subparser.addArgument("--delete")
+                .action(Arguments.storeTrue())
+                .help("Delete local group data completely after quitting group.");
+        subparser.addArgument("--admin")
+                .nargs("*")
+                .help("Specify one or more members to make a group admin, required if you're currently the only admin.");
     }
 
     @Override
-    public int handleCommand(final Namespace ns, final Manager m) {
+    public void handleCommand(final Namespace ns, final Manager m) throws CommandException {
+        final GroupId groupId;
         try {
-            final var groupId = Util.decodeGroupId(ns.getString("group"));
-            final var results = m.sendQuitGroupMessage(groupId);
-            return handleTimestampAndSendMessageResults(results.first(), results.second());
+            groupId = Util.decodeGroupId(ns.getString("group-id"));
+        } catch (GroupIdFormatException e) {
+            throw new UserErrorException("Invalid group id: " + e.getMessage());
+        }
+
+        var groupAdmins = ns.<String>getList("admin");
+
+        try {
+            try {
+                final var results = m.sendQuitGroupMessage(groupId,
+                        groupAdmins == null ? Set.of() : new HashSet<>(groupAdmins));
+                final var timestamp = results.first();
+                outputResult(timestamp);
+                handleSendMessageResults(results.second());
+            } catch (NotAGroupMemberException e) {
+                logger.info("User is not a group member");
+            }
+            if (ns.getBoolean("delete")) {
+                logger.debug("Deleting group {}", groupId);
+                m.deleteGroup(groupId);
+            }
         } catch (IOException e) {
-            handleIOException(e);
-            return 3;
-        } catch (AssertionError e) {
-            handleAssertionError(e);
-            return 1;
+            throw new IOErrorException("Failed to send message: " + e.getMessage());
         } catch (GroupNotFoundException e) {
-            handleGroupNotFoundException(e);
-            return 1;
-        } catch (NotAGroupMemberException e) {
-            handleNotAGroupMemberException(e);
-            return 1;
-        } catch (GroupIdFormatException e) {
-            handleGroupIdFormatException(e);
-            return 1;
+            throw new UserErrorException("Failed to send to group: " + e.getMessage());
+        } catch (InvalidNumberException e) {
+            throw new UserErrorException("Failed to parse admin number: " + e.getMessage());
+        } catch (LastGroupAdminException e) {
+            throw new UserErrorException("You need to specify a new admin with --admin: " + e.getMessage());
+        }
+    }
+
+    private void outputResult(final long timestamp) {
+        if (outputWriter instanceof PlainTextWriter) {
+            final var writer = (PlainTextWriter) outputWriter;
+            writer.println("{}", timestamp);
+        } else {
+            final var writer = (JsonWriter) outputWriter;
+            writer.write(Map.of("timestamp", timestamp));
         }
     }
 }