source: binary-improvements2/MapRendering/Web/API/GetPlayerInventory.cs@ 389

using System.Collections.Generic;
using System.Net;
using AllocsFixes.JSON;
using AllocsFixes.PersistentData;
using HttpListenerRequest = SpaceWizards.HttpListener.HttpListenerRequest;

namespace AllocsFixes.NetConnections.Servers.Web.API {
        public class GetPlayerInventory : AbsWebAPI {
                public override void HandleRequest (RequestContext _context) {
                        if (_context.Request.QueryString ["userid"] == null) {
                                WebUtils.WriteText (_context.Response, "No user id given", HttpStatusCode.BadRequest);
                                return;
                        }

                        string userIdString = _context.Request.QueryString ["userid"];
                        if (!PlatformUserIdentifierAbs.TryFromCombinedString (userIdString, out PlatformUserIdentifierAbs userId)) {
                                WebUtils.WriteText (_context.Response, "Invalid user id given", HttpStatusCode.BadRequest);
                                return;
                        }

                        Player p = PersistentContainer.Instance.Players [userId, false];
                        if (p == null) {
                                WebUtils.WriteText (_context.Response, "Unknown user id given", HttpStatusCode.NotFound);
                                return;
                        }

                        GetInventoryArguments (_context.Request, out bool showIconColor, out bool showIconName);

                        JSONObject result = DoPlayer (userIdString, p, showIconColor, showIconName);

                        WebUtils.WriteJson (_context.Response, result);
                }

                internal static void GetInventoryArguments (HttpListenerRequest _req, out bool _showIconColor, out bool _showIconName) {
                        if (_req.QueryString ["showiconcolor"] == null || !bool.TryParse (_req.QueryString ["showiconcolor"], out _showIconColor)) {
                                _showIconColor = true;
                        }
                        
                        if (_req.QueryString ["showiconname"] == null || !bool.TryParse (_req.QueryString ["showiconname"], out _showIconName)) {
                                _showIconName = true;
                        }
                }

                internal static JSONObject DoPlayer (string _steamId, Player _player, bool _showIconColor, bool _showIconName) {
                        PersistentData.Inventory inv = _player.Inventory;

                        JSONObject result = new JSONObject ();

                        JSONArray bag = new JSONArray ();
                        JSONArray belt = new JSONArray ();
                        JSONObject equipment = new JSONObject ();
                        result.Add ("userid", new JSONString (_steamId));
                        result.Add ("entityid", new JSONNumber (_player.EntityID));
                        result.Add ("playername", new JSONString (_player.Name));
                        result.Add ("bag", bag);
                        result.Add ("belt", belt);
                        result.Add ("equipment", equipment);

                        DoInventory (belt, inv.belt, _showIconColor, _showIconName);
                        DoInventory (bag, inv.bag, _showIconColor, _showIconName);

                        AddEquipment (equipment, "head", inv.equipment, EquipmentSlots.Headgear, _showIconColor, _showIconName);
                        AddEquipment (equipment, "eyes", inv.equipment, EquipmentSlots.Eyewear, _showIconColor, _showIconName);
                        AddEquipment (equipment, "face", inv.equipment, EquipmentSlots.Face, _showIconColor, _showIconName);

                        AddEquipment (equipment, "armor", inv.equipment, EquipmentSlots.ChestArmor, _showIconColor, _showIconName);
                        AddEquipment (equipment, "jacket", inv.equipment, EquipmentSlots.Jacket, _showIconColor, _showIconName);
                        AddEquipment (equipment, "shirt", inv.equipment, EquipmentSlots.Shirt, _showIconColor, _showIconName);

                        AddEquipment (equipment, "legarmor", inv.equipment, EquipmentSlots.LegArmor, _showIconColor, _showIconName);
                        AddEquipment (equipment, "pants", inv.equipment, EquipmentSlots.Legs, _showIconColor, _showIconName);
                        AddEquipment (equipment, "boots", inv.equipment, EquipmentSlots.Feet, _showIconColor, _showIconName);

                        AddEquipment (equipment, "gloves", inv.equipment, EquipmentSlots.Hands, _showIconColor, _showIconName);

                        return result;
                }

                private static void DoInventory (JSONArray _jsonRes, List<InvItem> _inv, bool _showIconColor, bool _showIconName) {
                        for (int i = 0; i < _inv.Count; i++) {
                                _jsonRes.Add (GetJsonForItem (_inv [i], _showIconColor, _showIconName));
                        }
                }

                private static void AddEquipment (JSONObject _eq, string _slotname, InvItem[] _items, EquipmentSlots _slot, bool _showIconColor, bool _showIconName) {
                        int[] slotindices = XUiM_PlayerEquipment.GetSlotIndicesByEquipmentSlot (_slot);

                        for (int i = 0; i < slotindices.Length; i++) {
                                if (_items? [slotindices [i]] != null) {
                                        InvItem item = _items [slotindices [i]];
                                        _eq.Add (_slotname, GetJsonForItem (item, _showIconColor, _showIconName));
                                        return;
                                }
                        }

                        _eq.Add (_slotname, new JSONNull ());
                }

                private static JSONNode GetJsonForItem (InvItem _item, bool _showIconColor, bool _showIconName) {
                        if (_item == null) {
                                return new JSONNull ();
                        }

                        JSONObject jsonItem = new JSONObject ();
                        jsonItem.Add ("count", new JSONNumber (_item.count));
                        jsonItem.Add ("name", new JSONString (_item.itemName));
                        
                        if (_showIconName) {
                                jsonItem.Add ("icon", new JSONString (_item.icon));
                        }

                        if (_showIconColor) {
                                jsonItem.Add ("iconcolor", new JSONString (_item.iconcolor));
                        }

                        jsonItem.Add ("quality", new JSONNumber (_item.quality));
                        if (_item.quality >= 0) {
                                jsonItem.Add ("qualitycolor", new JSONString (QualityInfo.GetQualityColorHex (_item.quality)));
                        }

                        return jsonItem;

                }
        }
}