@Override
public void onMessage(IUser user, VKUser vkUser, Message message, String arg) {
try {
if (user.getPerm() >= 50)
MessageBuffer.addMessage(
Command.download.addMedia(
new VkFile(ToText.getAsFile(MainParser.getBook(arg)), vkUser).getAsVkMedia()),
user);
else MessageBuffer.addMessage(Error.permErr, user);
} catch (FileNotFoundException e) {
MessageBuffer.addMessage(Error.error404, user);
}
}