source: binary-improvements/MapRendering/API/GetPlayerInventories.cs

using System.Collections.Generic;
using AllocsFixes.PersistentData;
using JetBrains.Annotations;
using Utf8Json;
using Webserver;
using Webserver.WebAPI;

namespace AllocsFixes.WebAPIs {
        [UsedImplicitly]
        public class GetPlayerInventories : AbsWebAPI {
                public override void HandleRequest (RequestContext _context) {
                        GetPlayerInventory.GetInventoryArguments (_context, out bool showIconColor, out bool showIconName);

                        JsonWriter writer = new JsonWriter ();
                        
                        writer.WriteBeginArray ();
                        
                        bool first = true;

                        foreach (KeyValuePair<PlatformUserIdentifierAbs, Player> kvp in PersistentContainer.Instance.Players.Dict) {
                                Player p = kvp.Value;

                                if (p == null) {
                                        continue;
                                }

                                if (p.IsOnline) {
                                        if (!first) {
                                                writer.WriteValueSeparator ();
                                        }

                                        first = false;
                                
                                        GetPlayerInventory.DoPlayer (ref writer, p, showIconColor, showIconName);
                                }
                        }
                        
                        writer.WriteEndArray ();
                        
                        WebUtils.WriteJsonData (_context.Response, ref writer);
                }
        }
}