public static SCDataManager Load(string path)
        {
            using (SQLiteDB db = new SQLiteDB(path))
            {
                SCDataManager dataManager = new SCDataManager();

                //Commodity
                DataTable commodityTable = db.GetDataFromTable("Commodity");
                foreach (DataRow row in commodityTable.Rows)
                {
                    Guid   guid = new Guid(row.ItemArray[0].ToString());
                    string name = row.ItemArray[1].ToString();

                    Commodity commodity = new Commodity(name, guid);
                    dataManager.Commodities.Add(commodity);
                }
                Dictionary <Guid, Commodity> commodityDict = createGuidDictionary(dataManager.Commodities);

                //TradingPort
                DataTable tradingPortTable = db.GetDataFromTable("TradingPort");
                foreach (DataRow row in tradingPortTable.Rows)
                {
                    Guid   guid = new Guid(row.ItemArray[0].ToString());
                    string name = row.ItemArray[1].ToString();

                    TradingPort port = new TradingPort(name, guid);
                    dataManager.TradingPorts.Add(port);
                }
                Dictionary <Guid, TradingPort> portDict = createGuidDictionary(dataManager.TradingPorts);

                //TradingPortComodityPrice
                DataTable portPriceTable = db.GetDataFromTable("TradingPortCommodityPrice");
                Dictionary <Guid, TradingPort> priceToPort = new Dictionary <Guid, TradingPort>();
                foreach (DataRow row in portPriceTable.Rows)
                {
                    Guid portGuid  = new Guid(row.ItemArray[0].ToString());
                    Guid priceGuid = new Guid(row.ItemArray[1].ToString());
                    priceToPort.Add(priceGuid, portDict[portGuid]);
                }

                //CommodityPrice
                DataTable             priceTable = db.GetDataFromTable("CommodityPrice");
                List <CommodityPrice> allPrices  = new List <CommodityPrice>();
                foreach (DataRow row in priceTable.Rows)
                {
                    Guid      guid          = new Guid(row.ItemArray[0].ToString());
                    Guid      commodityGuid = new Guid(row.ItemArray[1].ToString());
                    Commodity commodity     = commodityDict[commodityGuid];
                    PriceType type          = PriceTypeUtils.ConvertString(row.ItemArray[2].ToString());

                    CommodityPrice price = new CommodityPrice(commodity, type, guid);

                    TradingPort port = priceToPort[price.Guid];
                    port.Prices.Add(price);

                    allPrices.Add(price);
                }
                Dictionary <Guid, CommodityPrice> priceDict = createGuidDictionary(allPrices);

                //PricePoint
                DataTable pointTable = db.GetDataFromTable("PricePoint");
                foreach (DataRow row in pointTable.Rows)
                {
                    Guid     commodityPriceGuid = new Guid(row.ItemArray[0].ToString());
                    double   priceDouble        = (double)row.ItemArray[1];
                    DateTime dateTime           = new DateTime(Convert.ToInt64(row.ItemArray[2]));

                    CommodityPrice commodityPrice = priceDict[commodityPriceGuid];
                    commodityPrice.AddPrice(priceDouble, dateTime);
                }

                return(dataManager);
            }
        }