Take a golf blitz team message and print out all the times the players joined.

gbdateadded.d

import iopipe.bufpipe;
import iopipe.textpipe;
import iopipe.json.serialize;
import iopipe.json.parser;
import iopipe.json.dom;
import std.io;
import std.typecons;
import std.datetime;
import std.conv;

alias Json = JSONValue!(const(char)[]);

struct TeamMember
{
    @optional:
    string displayName;
    Json externalIds;
    string id;
    bool online;
    Json scriptData;
    double last_login;
    Json pinpack;
    double challenge_matchmaker_port;
    double matchmaker_port;
    Json slot1;
    Json slot2;
    Json slot3;
    Json slot4;
    Json ads_data;
    string environment;
    bool has_chosen_name;
    string matchmaker;
    Json daily_deals;
    Json freepack;;
    double is_buyer;
    double token_time;
    Json virtualGoods;
}

struct TeamMessage
{
    TeamMember[] members;
    TeamMember owner;
    string teamId;
    string teamName;
    string teamType;
}

void main()
{
    auto f = File(0).refCounted.bufd.assumeText;
    auto parser = f.jsonTokenizer;
    parser.next;
    parser.parseTo("teams");
    parser.next;
    auto tm = parser.deserialize!(TeamMessage);

    import std.stdio;
    foreach(ref member; tm.members)
    {
        writefln("%s: id = %s, joined = %s", member.displayName, member.id, SysTime.fromUnixTime(member.id[0 .. 8].to!ulong(16)));
    }
}