index.js

var Slack, Teacher, autoMark, autoReconnect, slack, token;

Slack = require('slack-client');

Teacher = require('teacher');

token = 'xoxb-TOKEN';

autoReconnect = true;

autoMark = true;

slack = new Slack(token, autoReconnect, autoMark);

slack.on('open', function() {
  var channel, channels, group, groups, id, messages, unreads;
  channels = [];
  groups = [];
  unreads = slack.getUnreadCount();
  channels = (function() {
    var _ref, _results;
    _ref = slack.channels;
    _results = [];
    for (id in _ref) {
      channel = _ref[id];
      if (channel.is_member) {
        _results.push("#" + channel.name);
      }
    }
    return _results;
  })();
  groups = (function() {
    var _ref, _results;
    _ref = slack.groups;
    _results = [];
    for (id in _ref) {
      group = _ref[id];
      if (group.is_open && !group.is_archived) {
        _results.push(group.name);
      }
    }
    return _results;
  })();
  console.log("Welcome to Slack. You are @" + slack.self.name + " of " + slack.team.name);
  console.log('You are in: ' + channels.join(', '));
  console.log('As well as: ' + groups.join(', '));
  messages = unreads === 1 ? 'message' : 'messages';
  return console.log("You have " + unreads + " unread " + messages);
});

slack.on('message', function(message) {
  var channel, channelError, channelName, errors, response, text, textError, ts, type, typeError, user, userName;
  type = message.type, ts = message.ts, text = message.text;
  if ((text == null) || text.indexOf("#check") < 0) {
    return;
  }
  text = text.replace('#check', '');
  channel = slack.getChannelGroupOrDMByID(message.channel);
  user = slack.getUserByID(message.user);
  channelName = (channel != null ? channel.is_channel : void 0) ? '#' : '';
  channelName = channelName + (channel ? channel.name : 'UNKNOWN_CHANNEL');
  userName = (user != null ? user.name : void 0) != null ? "@" + user.name : "UNKNOWN_USER";
  response = "" + userName + ", did you mean? ";
  console.log("Received: " + type + " " + channelName + " " + userName + " " + ts + " \"" + text + "\"");
  if (type === 'message' && (text != null) && (channel != null)) {
    Teacher.check(text, function(err, data) {
      var i;
      i = 0;
      return data.forEach(function(word) {
        var correct;
        if (word.suggestions.option instanceof Array) {
          correct = word.suggestions.option[0];
        } else {
          correct = word.suggestions.option;
        }
        text = text.replace(word.string, correct);
        if (++i === data.length) {
          return channel.send("" + response + " _" + text + "_");
        }
      });
    });
    return console.log("@" + slack.self.name + " responded with \"" + response + "\"");
  } else {
    typeError = type !== 'message' ? "unexpected type " + type + "." : null;
    textError = text == null ? 'text was undefined.' : null;
    channelError = channel == null ? 'channel was undefined.' : null;
    errors = [typeError, textError, channelError].filter(function(element) {
      return element !== null;
    }).join(' ');
    return console.log("@" + slack.self.name + " could not respond. " + errors);
  }
});

slack.on('error', function(error) {
  return console.error("Error: " + error);
});

slack.login();