dtctkj jxtym dtctkj lab 7

JewelryStoreFileImplement/DataFileSingleton.cs

@@ -16,15 +16,19 @@ namespace JewelryStoreFileImplement
         private readonly string JewelFileName = "Jewel.xml";
         private readonly string ClientFileName = "Client.xml";
         private readonly string ImplementerFileName = "Implementer.xml";
+		private readonly string MessageFileName = "Message.xml";
 
 
-        public List<Component> Components { get; private set; }
+
+		public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Jewel> Jewels { get; private set; }
         public List<Client> Clients { get; private set; }
         public List<Implementer> Implementers { get; private set; }
+		public List<Message> Messages { get; private set; }
 
-        public static DataFileSingleton GetInstance()
+
+		public static DataFileSingleton GetInstance()
         {
             if (instance == null)
             {
@@ -37,19 +41,21 @@ namespace JewelryStoreFileImplement
         public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
         public void SaveClients() => SaveData(Clients, OrderFileName, "Clients", x => x.GetXElement);
         public void SaveImplementers() => SaveData(Implementers, OrderFileName, "Implementers", x => x.GetXElement);
+		public void SaveMessages() => SaveData(Messages, MessageFileName, "Messages", x => x.GetXElement);
 
 
-        private DataFileSingleton()
+		private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x =>Component.Create(x)!)!;
             Jewels = LoadData(JewelFileName, "Jewel", x => Jewel.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
             Clients = LoadData(ClientFileName, "Client", x => Client.Create(x)!)!;
             Implementers = LoadData(ImplementerFileName, "Implementer", x => Implementer.Create(x)!)!;
+			Messages = LoadData(MessageFileName, "Message", x => Message.Create(x)!)!;
 
 
-        }
+		}
-        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
+		private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
         {
             if (File.Exists(filename))
             {

JewelryStoreFileImplement/Implements/MessageInfoStorage.cs

@@ -0,0 +1,57 @@
+using JewelryStoreContracts.BindingModels;
+using JewelryStoreContracts.SearchModels;
+using JewelryStoreContracts.StoragesContracts;
+using JewelryStoreContracts.ViewModels;
+using JewelryStoreFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreFileImplement.Implements
+{
+	public class MessageInfoStorage : IMessageInfoStorage
+	{
+		private readonly DataFileSingleton source;
+		public MessageInfoStorage()
+		{
+			source = DataFileSingleton.GetInstance();
+		}
+		public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+		{
+			if (model.MessageId == null)
+				return null;
+			return source.Messages.FirstOrDefault(x => x.MessageId == model.MessageId)?.GetViewModel;
+		}
+
+		public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+		{
+			if (!model.ClientId.HasValue)
+				return new();
+			return source.Messages
+				.Where(x => x.ClientId == model.ClientId)
+				.Select(x => x.GetViewModel)
+				.ToList();
+		}
+
+		public List<MessageInfoViewModel> GetFullList()
+		{
+			return source.Messages
+				.Select(x => x.GetViewModel)
+				.ToList();
+		}
+
+		public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+		{
+			var newMessage = Message.Create(model);
+			if (newMessage == null)
+			{
+				return null;
+			}
+			source.Messages.Add(newMessage);
+			source.SaveMessages();
+			return newMessage.GetViewModel;
+		}
+	}
+}

JewelryStoreFileImplement/Models/Message.cs

@@ -0,0 +1,80 @@
+using JewelryStoreContracts.BindingModels;
+using JewelryStoreContracts.ViewModels;
+using JewelryStoreDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace JewelryStoreFileImplement.Models
+{
+	public class Message : IMessageInfoModel
+	{
+		public string MessageId { get; private set; } = string.Empty;
+
+		public int? ClientId { get; private set; }
+
+		public string SenderName { get; private set; } = string.Empty;
+
+		public DateTime DateDelivery { get; private set; } = DateTime.Now;
+
+		public string Subject { get; private set; } = string.Empty;
+
+		public string Body { get; private set; } = string.Empty;
+
+		public static Message? Create(MessageInfoBindingModel model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new()
+			{
+				Body = model.Body,
+				Subject = model.Subject,
+				DateDelivery = model.DateDelivery,
+				SenderName = model.SenderName,
+				ClientId = model.ClientId,
+				MessageId = model.MessageId
+			};
+		}
+
+		public static Message? Create(XElement element)
+		{
+			if (element == null)
+			{
+				return null;
+			}
+			return new()
+			{
+				Body = element.Attribute("Body")!.Value,
+				Subject = element.Attribute("Subject")!.Value,
+				DateDelivery = Convert.ToDateTime(element.Attribute("DateDelivery")!.Value),
+				SenderName = element.Attribute("SenderName")!.Value,
+				ClientId = Convert.ToInt32(element.Attribute("ClientId")!.Value),
+				MessageId = element.Attribute("MessageId")!.Value,
+			};
+		}
+
+		public MessageInfoViewModel GetViewModel => new()
+		{
+			Body = Body,
+			Subject = Subject,
+			DateDelivery = DateDelivery,
+			SenderName = SenderName,
+			ClientId = ClientId,
+			MessageId = MessageId
+		};
+
+		public XElement GetXElement => new("MessageInfo",
+			new XAttribute("Subject", Subject),
+			new XAttribute("Body", Body),
+			new XAttribute("ClientId", ClientId),
+			new XAttribute("MessageId", MessageId),
+			new XAttribute("SenderName", SenderName),
+			new XAttribute("DateDelivery", DateDelivery)
+			);
+	}
+}