onMessageDeleted

Triggered when a message is deleted in a conversation.

Received properties

In addition to the Base properties, a WireMessage.Deleted object provides messageId which is the identifier of the deleted message.

Sample usage

Log message deletion

The example below creates a new text message that includes a mention of the user who performed the deletion.

Kotlin

override suspend fun onMessageDeleted(wireMessage: WireMessage.Deleted) {
    val username = manager.getUser(wireMessage.sender).name
    val message = WireMessage.Text.create(
        conversationId = wireMessage.conversationId,
        text = "@$username deleted a message.",
        mentions = listOf(
            WireMessage.Mention(
                userId = wireMessage.sender,
                offset = 0,
                length = username.length + 1 // +1 for @ handle
            )
        )
    )
    manager.sendMessageSuspending(message = message)
}

Java

@Override
public void onMessageDeleted(@NotNull WireMessage.Deleted wireMessage) {
    UserResponse user;
    try {
        user = getManager().getUser(wireMessage.sender());
    } catch (WireException e) {
        return;
    }
    String username = user.getName();
    WireMessage.Text message = WireMessage.Text.create(
            wireMessage.conversationId(),
            "@" + username + " deleted a message.",
            List.of(
                    new WireMessage.Mention(
                            wireMessage.sender(),
                            0,
                            username.length() + 1 // +1 for @ handle
                    )
            ),
            List.of(),
            null
    );
    getManager().sendMessage(message);
}