Kingboard Update Database to contain involved fields

Kingboard.db.involved

db.Kingboard_Kill.find().forEach(
  function (document) { 
    involvedCorporations = new Array();
    involvedCharacters = new Array();
    involvedFactions = new Array();
    involvedAlliances = new Array();
    document.attackers.forEach(function (attacker) { 
      if(involvedCorporations.indexOf(attacker.corporationID) == -1)
        involvedCorporations.push(attacker.corporationID);
      if(involvedCharacters.indexOf(attacker.characterID) == -1)
        involvedCharacters.push(attacker.characterID);
      if(!involvedFactions.indexOf(attacker.factionID) == -1)
        involvedFactions.push(attacker.factionID);        
      if(!involvedAlliances.indexOf(attacker.allianceID) == -1)
        involvedAlliances.push(attacker.allianceID);        
    })
    involvedCorporations.push(document.victim.corporationID);
    involvedCharacters.push(document.victim.characterID);
    involvedFactions.push(document.victim.factionID);
    involvedAlliances.push(document.victim.allianceID);    
    document.involvedCorporations = involvedCorporations;
    document.involvedCharacters = involvedCharacters;
    document.involvedFactions = involvedFactions;
    document.involvedAlliances = involvedAlliances;
    db.Kingboard_Kill.save(document);
  }
);