spoils-parser.js

module.exports = function(maxSpoilsPerChannel) {
  return function(data, spoils) {
    var channelId = data.channel_id,
        channelName = data.channel_name,
        originalText = data.text.trim();

    var result = {
      username: data.user_name,
      channel: '',
      text: ''
    };

    if (channelName === 'directmessage') {
      result.channel = '@' + result.username;
    } else {
      result.channel = '#' + channelName;
    }

    var textNotToSpoil = '';
    var textToSpoil = originalText;

    var matches = originalText.match(/^\[(.*?)\](.*)$/i);
    if (matches) {
      textNotToSpoil = matches[1];
      textToSpoil = matches[2];
    }

    if (!spoils[channelId]) {
      spoils[channelId] = [];
    }

    var spoilsForChannel = spoils[channelId];

    spoilsForChannel.unshift({
      username: result.username,
      text: textNotToSpoil + textToSpoil
    });

    if (spoilsForChannel.length > maxSpoilsPerChannel) {
      spoilsForChannel.shift();
    }

    result.text = textNotToSpoil + textToSpoil.replace(/[^\s]/gi, '■');

    return result;
  }
};