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Полина Чубыкина 2024-03-13 10:15:47 +04:00
parent d5d622ed8e
commit 851a875b08
4 changed files with 0 additions and 237 deletions
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60
Confectionery/ConfectioneryFileImplement/Component.cs
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using System.ComponentModel;
using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.ViewModels;
using ConfectioneryDataModels.Models;
using System.Xml.Linq;
namespace ConfectioneryFileImplement.Models
{
public class Component : IComponentModel
{
public int Id { get; private set; }
public string ComponentName { get; private set; } = string.Empty;
public double Cost { get; set; }
public static Component? Create(ComponentBindingModel model)
{
if (model == null)
{
return null;
}
return new Component()
{
Id = model.Id,
ComponentName = model.ComponentName,
Cost = model.Cost
};
}
public static Component? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Component()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
ComponentName = element.Element("ComponentName")!.Value,
Cost = Convert.ToDouble(element.Element("Cost")!.Value)
};
}
public void Update(ComponentBindingModel model)
{
if (model == null)
{
return;
}
ComponentName = model.ComponentName;
Cost = model.Cost;
}
public ComponentViewModel GetViewModel => new()
{
Id = Id,
ComponentName = ComponentName,
Cost = Cost
};
public XElement GetXElement => new("Component",
new XAttribute("Id", Id),
new XElement("ComponentName", ComponentName),
new XElement("Cost", Cost.ToString()));
}
}

14
Confectionery/ConfectioneryFileImplement/ConfectioneryFileImplement.csproj
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\ConfectionaryContracts\ConfectioneryContracts.csproj" />
<ProjectReference Include="..\ConfectionaryDataModels\ConfectioneryDataModels.csproj" />
</ItemGroup>
</Project>

61
Confectionery/ConfectioneryFileImplement/DataFileSilgleton.cs
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using ConfectioneryFileImplement.Models;
using System.Xml.Linq;
namespace PastryShopFileImplement
{
internal class DataFileSingleton
{
private static DataFileSingleton? instance;
private readonly string ComponentFileName = "Component.xml";
private readonly string OrderFileName = "Order.xml";
private readonly string PastryFileName = "Pastry.xml";
public List<Component> Components { get; private set; }
public List<Order> Orders { get; private set; }
public List<Pastry> Pastrys { 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 SavePastrys() => SaveData(Pastrys, PastryFileName, "Pastrys", x => x.GetXElement);
public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
private DataFileSingleton()
{
Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
Pastrys = LoadData(PastryFileName, "Pastry", x => Pastry.Create(x)!)!;
Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
}
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);
}
}
}
}

102
Confectionery/ConfectioneryFileImplement/Pastry.cs
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using ConfectioneryDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.ViewModels;
namespace ConfectioneryFileImplement.Models
{
public class Pastry : IPastryModel
{
public int Id { get; private set; }
public string PastryName { get; private set; } = string.Empty;
public double Price { get; private set; }
public Dictionary<int, int> Components { get; private set; } = new();
private Dictionary<int, (IComponentModel, int)>? _PastryComponents =
null;
public Dictionary<int, (IComponentModel, int)> PastryComponents
{
get
{
if (_PastryComponents == null)
{
var source = DataFileSingleton.GetInstance();
_PastryComponents = Components.ToDictionary(x => x.Key, y =>
((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
y.Value));
}
return _PastryComponents;
}
}
public static Pastry? Create(PastryBindingModel model)
{
if (model == null)
{
return null;
}
return new Pastry()
{
Id = model.Id,
PastryName = model.PastryName,
Price = model.Price,
Components = model.PastryComponents.ToDictionary(x => x.Key, x
=> x.Value.Item2)
};
}
public static Pastry? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Pastry()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
PastryName = element.Element("PastryName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Components =
element.Element("PastryComponents")!.Elements("PastryComponent")
.ToDictionary(x =>
Convert.ToInt32(x.Element("Key")?.Value), x =>
Convert.ToInt32(x.Element("Value")?.Value))
};
}
public void Update(PastryBindingModel model)
{
if (model == null)
{
return;
}
PastryName = model.PastryName;
Price = model.Price;
Components = model.PastryComponents.ToDictionary(x => x.Key, x =>
x.Value.Item2);
_PastryComponents = null;
}
public PastryViewModel GetViewModel => new()
{
Id = Id,
PastryName = PastryName,
Price = Price,
PastryComponents = PastryComponents
};
public XElement GetXElement => new("Pastry",
new XAttribute("Id", Id),
new XElement("PastryName", PastryName),
new XElement("Price", Price.ToString()),
new XElement("PastryComponents", Components.Select(x =>
new XElement("PastryComponent",
new XElement("Key", x.Key),
new XElement("Value", x.Value)))
.ToArray()));
}
}