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Реализован класс DataFileSingleton

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Никита Потапов 2024-02-26 09:48:14 +04:00
parent 4e317f4971
commit c1bc36a049
2 changed files with 57 additions and 14 deletions
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50
SecuritySystem/SecuritySystemFileImplement/DataFileSingleton.cs Normal file
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@ -0,0 +1,50 @@
using SecuritySystemFileImplement.Models;
using System.Xml.Linq;
namespace SecuritySystemFileImplement
{
internal class DataFileSingleton
{
private static DataFileSingleton? instance;
private readonly string ComponentFileName = "Component.xml";
private readonly string OrderFileName = "Order.xml";
private readonly string SecureFileName = "Secure.xml";
public List<Component> Components { get; private set; }
public List<Order> Orders { get; private set; }
public List<Secure> Secures { get; private set; }
public static DataFileSingleton GetInstance()
{
if (instance == null)
{
instance = new DataFileSingleton();
}
return instance;
}
public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
public void SaveSecures() => SaveData(Secures, SecureFileName, "Secures", x => x.GetXElement);
public void SaveOrders() { }
private DataFileSingleton()
{
Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
Secures = LoadData(SecureFileName, "Secure", x => Secure.Create(x)!)!;
Orders = new List<Order>();
}
private static List<T>? LoadData<T>(string filename, string xmlNodeName,
Func<XElement, T> selectFunction)
{
if (File.Exists(filename))
{
return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
}
return new List<T>();
}
private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
{
if (data != null)
{
new XDocument(new XElement(xmlNodeName, data.Select(selectFunction).ToArray())).Save(filename);
}
}
}
}

21
SecuritySystem/SecuritySystemFileImplement/Models/Secure.cs
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@ -1,4 +1,5 @@
using SecuritySystemContracts.BindingModels; using SecuritySystemContracts.BindingModels;
using SecuritySystemContracts.ViewModels;
using SecuritySystemDataModels.Models; using SecuritySystemDataModels.Models;
using System.Xml.Linq; using System.Xml.Linq;
@ -10,8 +11,7 @@ namespace SecuritySystemFileImplement.Models
public string SecureName { get; private set; } = string.Empty; public string SecureName { get; private set; } = string.Empty;
public double Price { get; private set; } public double Price { get; private set; }
public Dictionary<int, int> Components { get; private set; } = new(); public Dictionary<int, int> Components { get; private set; } = new();
private Dictionary<int, (IComponentModel, int)>? _secureComponents = private Dictionary<int, (IComponentModel, int)>? _secureComponents = null;
null;
public Dictionary<int, (IComponentModel, int)> SecureComponents public Dictionary<int, (IComponentModel, int)> SecureComponents
{ {
get get
@ -19,9 +19,8 @@ namespace SecuritySystemFileImplement.Models
if (_secureComponents == null) if (_secureComponents == null)
{ {
var source = DataFileSingleton.GetInstance(); var source = DataFileSingleton.GetInstance();
_secureComponents = Components.ToDictionary(x => x.Key, y => _secureComponents = Components.ToDictionary(x => x.Key,
((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
y.Value));
} }
return _secureComponents; return _secureComponents;
} }
@ -37,8 +36,7 @@ namespace SecuritySystemFileImplement.Models
Id = model.Id, Id = model.Id,
SecureName = model.SecureName, SecureName = model.SecureName,
Price = model.Price, Price = model.Price,
Components = model.SecureComponents.ToDictionary(x => x.Key, x Components = model.SecureComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
=> x.Value.Item2)
}; };
} }
public static Secure? Create(XElement element) public static Secure? Create(XElement element)
@ -52,11 +50,7 @@ namespace SecuritySystemFileImplement.Models
Id = Convert.ToInt32(element.Attribute("Id")!.Value), Id = Convert.ToInt32(element.Attribute("Id")!.Value),
SecureName = element.Element("SecureName")!.Value, SecureName = element.Element("SecureName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value), Price = Convert.ToDouble(element.Element("Price")!.Value),
Components = Components = element.Element("SecureComponents")!.Elements("SecureComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
element.Element("SecureComponents")!.Elements("SecureComponent")
.ToDictionary(x =>
Convert.ToInt32(x.Element("Key")?.Value), x =>
Convert.ToInt32(x.Element("Value")?.Value))
}; };
} }
public void Update(SecureBindingModel model) public void Update(SecureBindingModel model)
@ -67,8 +61,7 @@ namespace SecuritySystemFileImplement.Models
} }
SecureName = model.SecureName; SecureName = model.SecureName;
Price = model.Price; Price = model.Price;
Components = model.SecureComponents.ToDictionary(x => x.Key, x => Components = model.SecureComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
x.Value.Item2);
_secureComponents = null; _secureComponents = null;
} }
public SecureViewModel GetViewModel => new() public SecureViewModel GetViewModel => new()