role.js

var roles = message.getUser().getRoles();
var isAdmin = false;
for (var i = 0; i < roles.length; i++) {
  if (roles[i].getID() == "169375885307150336") {
    isAdmin = true;
    break;
  }
}

var content = message.getContent();
var args = content.split(" ");
var printUsage = function() {
  channel.message(
    "$role add <user> <role-name>\n" +
    "$role list-allowed\n" +
    "Admin only:\n" +
    "$role add-allowed <role-name> <role-id>\n" +
    "$role remove-allowed <role-name>\n" +
    "The role-name in this command is arbitrary and is set by add-allowed."
  );
};

if (args.length < 2) {
  printUsage();
  return;
}

var subcmd = args[1];
var allowed = JSON.parse(storage.get("role.permissions"));
if (allowed === null) {
  allowed = {};
}

if (subcmd === "list-allowed") {
  var msg = "";
  for (name in allowed) {
    if (msg.length > 0) {
      msg += "\n";
    }
    msg += "- " + name + ": " + allowed[name];
  }
  channel.message(msg);
} else if (subcmd === "add") {
  if (args.length < 4) {
    printUsage();
    return;
  }
  var user = args[2].toLowerCase();
  var role = args[3].toLowerCase();
  if (!(role in allowed)) {
    channel.message("That role is not listed as allowed");
    return;
  }
  role = guild.getRole(allowed[role])
  if (!role) {
    channel.message("The role associated with " + args[3].toLowerCase() + " no longer exists");
    return;
  }
  var match = /<@!?(\d+)>/.exec(user);
  if (!match) match = /(\d+)/.exec(user);
  if (match) {
    user = match[1];
    user = guild.getUser(user);
    if (!user) {
      channel.message("A user with that ID does not exist in this server.");
    }
  } else {
    var users = guild.getUsers();
    var result = null;
    for (var i = 0; i < users.length; i++) {
      var nickname = users[i].getNickname();
      if (users[i].getName().toLowerCase() === user || (nickname && nickname.toLowerCase() === user)) {
        if (result) {
          channel.message("That username is ambiguous. Please use the user ID.");
          return;
        }
        result = users[i];
      }
    }
    if (!result) {
      channel.message("Could not find a user with that username.");
      return;
    }
    user = result;
  }
  if (!manager.addRole(user, role)) {
    channel.message("Could not add role. Please check Arraybot's role permissions.");
    return;
  }
  var textLogs = guild.getTextChannel("730438601808150539");
  if (textLogs) {
    var getInfo = function(thing) {
      return thing.getName() + " (ID: " + thing.getID() + ")";
    };
    textLogs.message(getInfo(message.getUser()) + " gave role " + getInfo(role) + " to " + getInfo(user));
  }
  channel.message("Added role successfully.");
} else if (subcmd === "add-allowed") {
  if (!isAdmin) {
    channel.message("This command is admin only");
    return;
  }
  if (args.length < 4) {
    printUsage();
    return;
  }
  var roleName = args[2].toLowerCase();
  if (roleName in allowed) {
    channel.message("That role name is already assigned to something that is allowed.");
    return;
  }
  var roleId = args[3];
  if (!guild.getRole(roleId)) {
    channel.message("That role ID does not exist.");
    return;
  }
  allowed[roleName] = roleId;
  storage.set("role.permissions", JSON.stringify(allowed));
  channel.message("Successfully added allowed role.");
} else if (subcmd == "remove-allowed") {
  if (!isAdmin) {
    channel.message("This command is admin only");
    return;
  }
  if (args.length < 3) {
    printUsage();
    return;
  }
  var roleName = args[2].toLowerCase();
  if (!(roleName in allowed)) {
    channel.message("That role is not in the list of the allowed roles");
    return;
  }
  delete allowed[roleName];
  storage.set("role.permissions", JSON.stringify(allowed));
  channel.message("Successfully removed allowed role.");
} else {
  printUsage();
}