sclass GazellePost {
  long id;
  long created, modified; // timestamps
  GazelleUser creator;
  S text, title, type, botInfo;
  bool creating, hidden;
  L<Long> postRefs;
  LS postRefTags;
  O importedFrom;
  
  *() {}
  *(Map map) {
    id = toLong(map.get("id"));
    created = toLong(map.get("created"));
    modified = toLong(map.get("_modified"));
    text = (S) map.get("text");
    title = (S) map.get("title");
    type = (S) map.get("type");
    botInfo = (S) map.get("botInfo");
    creating = isTrue(map.get("creating"));
    hidden = isTrue(map.get("hidden"));
    postRefs = allToLong((L) map.get("postRefs"));
    postRefTags = checkedListCast S(map.get("postRefTags"));
    long creatorID = toLong(map.get("creatorID"));
    S creatorName = toLong(map.get("creatorName"));
    if (creatorID != 0 || nempty(creatorName))
      creator = new GazelleUser(creatorID, creatorName);
  }
  
  LPair<Long, S> taggedRefs() { ret zipTwoListsToPairs_lengthOfFirst(postRefs, postRefTags); }
  
  toString {
    S content = nempty(title) ? shorten(title) : shorten(text);
    S _type = isReply() ? "reply" : "post";
    S author = or2(strOrNull(creator), "unknown");
    if (isBotPost()) author += "'s bot " + quote(botInfo);
    if (hidden) _type += " (hidden)";
    ret firstToUpper(_type) + " by " + author + ": " + content;
  }
  
  bool isReply() { ret nempty(postRefs); }
  bool isBotPost() { ret nempty(botInfo); }
}