80 lines
3.2 KiB
C#
80 lines
3.2 KiB
C#
using AutomomilePlantFileImplement.Models;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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namespace AutomomilePlantFileImplement
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{
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public class DataFileSingleton
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{
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private static DataFileSingleton? instance;
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private readonly string ComponentFileName = "Component.xml";
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private readonly string OrderFileName = "Order.xml";
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private readonly string CarFileName = "Car.xml";
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private readonly string ClientFileName = "Client.xml";
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private readonly string ImplementerFileName = "Implementer.xml";
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private readonly string MessageFileName = "Message.xml";
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public List<Component> Components { get; private set; }
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public List<Order> Orders { get; private set; }
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public List<Car> Cars { get; private set; }
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public List<Client> Clients { get; private set; }
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public List<Implementer> Implementers { get; private set; }
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public List<MessageInfo> Messages { get; private set; }
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public static DataFileSingleton GetInstance()
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{
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if (instance == null)
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{
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instance = new DataFileSingleton();
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}
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return instance;
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}
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public void SaveComponents() => SaveData(Components, ComponentFileName,
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"Components", x => x.GetXElement);
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public void SaveClients() => SaveData(Clients, ClientFileName,
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"Clients", x => x.GetXElement);
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public void SaveImplementers() => SaveData(Implementers, ImplementerFileName,
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"Implementers", x => x.GetXElement);
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public void SaveCars() => SaveData(Cars, CarFileName,
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"Cars", x => x.GetXElement);
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public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x
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=> x.GetXElement);
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public void SaveMessages() => SaveData(Messages, MessageFileName, "Messages", x
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=> x.GetXElement);
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private DataFileSingleton()
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{
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Components = LoadData(ComponentFileName, "Component", x =>
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Component.Create(x)!)!;
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Cars = LoadData(CarFileName, "Car", x =>
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Car.Create(x)!)!;
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Clients = LoadData(ClientFileName, "Clients", x =>
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Client.Create(x)!)!;
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Implementers = LoadData(ImplementerFileName, "Implementers", x =>
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Implementer.Create(x)!)!;
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Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
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Messages = LoadData(MessageFileName, "Message", x => MessageInfo.Create(x)!)!;
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}
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private static List<T>? LoadData<T>(string filename, string xmlNodeName,
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Func<XElement, T> selectFunction)
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{
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if (File.Exists(filename))
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{
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return
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XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
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}
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return new List<T>();
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}
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private static void SaveData<T>(List<T> data, string filename, string
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xmlNodeName, Func<T, XElement> selectFunction)
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{
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if (data != null)
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{
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new XDocument(new XElement(xmlNodeName,
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data.Select(selectFunction).ToArray())).Save(filename);
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}
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}
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}
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}
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