ShipyardFileImplement/DataFileSingleton.cs

@@ -14,11 +14,13 @@ namespace ShipyardFileImplement
         private readonly string ShipFileName = "Ship.xml";
 		private readonly string ClientFileName = "Client.xml";
 		private readonly string ImplementerFileName = "Implementer.xml";
+		private readonly string MessageInfoFileName = "MessageInfo.xml";
 		public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Ship> Ships { get; private set; }
 		public List<Client> Clients { get; private set; }
 		public List<Implementer> Implementers { get; private set; }
+		public List<MessageInfo> Messages { get; private set; }
 		public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -37,6 +39,8 @@ namespace ShipyardFileImplement
 	   "Clients", x => x.GetXElement);
 		public void SaveImplementers() => SaveData(Implementers, ImplementerFileName,
 		"Implementers", x => x.GetXElement);
+		public void SaveMessages() => SaveData(Orders, ImplementerFileName,
+		"Messages", x => x.GetXElement);
 		private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x =>
@@ -49,6 +53,8 @@ namespace ShipyardFileImplement
 		   Client.Create(x)!)!;
 			Implementers = LoadData(ImplementerFileName, "Implementer", x =>
 			Implementer.Create(x)!)!;
+			Messages = LoadData(MessageInfoFileName, "MessageInfo", x =>
+		   MessageInfo.Create(x)!)!;
 		}
         private static List<T>? LoadData<T>(string filename, string xmlNodeName,
         Func<XElement, T> selectFunction)

ShipyardFileImplement/MessageInfo.cs

@@ -0,0 +1,71 @@
+using ShipyardContracts.BindingModels;
+using ShipyardContracts.ViewModels;
+using ShipyardDataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ShipyardFileImplemented.Models
+{
+	public class MessageInfo : 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 MessageInfo? Create(MessageInfoBindingModel model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new()
+			{
+				Body = model.Body,
+				Subject = model.Subject,
+				ClientId = model.ClientId,
+				MessageId = model.MessageId,
+				SenderName = model.SenderName,
+				DateDelivery = model.DateDelivery,
+			};
+		}
+		public static MessageInfo? Create(XElement element)
+		{
+			if (element == null)
+			{
+				return null;
+			}
+			return new()
+			{
+				Body = element.Attribute("Body")!.Value,
+				Subject = element.Attribute("Subject")!.Value,
+				ClientId = Convert.ToInt32(element.Attribute("ClientId")!.Value),
+				MessageId = element.Attribute("MessageId")!.Value,
+				SenderName = element.Attribute("SenderName")!.Value,
+				DateDelivery = Convert.ToDateTime(element.Attribute("DateDelivery")!.Value),
+			};
+		}
+		public MessageInfoViewModel GetViewModel => new()
+		{
+			Body = Body,
+			Subject = Subject,
+			ClientId = ClientId,
+			MessageId = MessageId,
+			SenderName = SenderName,
+			DateDelivery = DateDelivery,
+		};
+		public XElement GetXElement => new("MessageInfo",
+			new XAttribute("Body", Body),
+			new XAttribute("Subject", Subject),
+			new XAttribute("ClientId", ClientId ?? 0),
+			new XAttribute("MessageId", MessageId),
+			new XAttribute("SenderName", SenderName),
+			new XAttribute("DateDelivery", DateDelivery)
+			);
+	}
+}

ShipyardFileImplement/MessageInfoStorage.cs

@@ -0,0 +1,54 @@
+using ShipyardContracts.BindingModels;
+using ShipyardContracts.SearchModels;
+using ShipyardContracts.StorageContracts;
+using ShipyardContracts.ViewModels;
+using ShipyardFileImplement;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ShipyardFileImplemented.Implements
+{
+	public class MessageInfoStorage : IMessageInfoStorage
+	{
+		private readonly DataFileSingleton _source;
+		public MessageInfoStorage()
+		{
+			_source = DataFileSingleton.GetInstance();
+		}
+		public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+		{
+			if (model.MessageId != null)
+			{
+				return _source.Messages.FirstOrDefault(x => x.MessageId == model.MessageId)?.GetViewModel;
+			}
+			return null;
+		}
+		public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+		{
+			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 = MessageInfo.Create(model);
+			if (newMessage == null)
+			{
+				return null;
+			}
+			_source.Messages.Add(newMessage);
+			_source.SaveMessages();
+			return newMessage.GetViewModel;
+		}
+	}
+}