Лаб7 - фикс

FoodOrders/AbstractFoodOrdersListImplement/Implements/MessageInfoStorage.cs

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+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.SearchModels;
+using AbstractFoodOrdersContracts.StoragesContracts;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersListImplement.Implements
+{
+	public class MessageInfoStorage : IMessageInfoStorage
+	{
+		private readonly DataListSingleton _source;
+
+		public MessageInfoStorage(DataListSingleton source)
+		{
+			_source = source;
+		}
+
+		public List<MessageInfoViewModel> GetFullList()
+		{
+			var result = new List<MessageInfoViewModel>();
+			foreach (var messageInfo in _source.MessageInfos)
+			{
+				result.Add(messageInfo.GetViewModel);
+			}
+			return result;
+		}
+
+		public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+		{
+			var result = new List<MessageInfoViewModel>();
+			if (string.IsNullOrEmpty(model.MessageId) && !model.ClientId.HasValue)
+			{
+				return result;
+			}
+			foreach (var messageInfo in _source.MessageInfos)
+			{
+				if (messageInfo.ClientId == model.ClientId)
+				{
+					result.Add(messageInfo.GetViewModel);
+				}
+			}
+			return result;
+		}
+
+		public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.MessageId) && !model.ClientId.HasValue)
+			{
+				return null;
+			}
+			foreach (var messageInfo in _source.MessageInfos)
+			{
+				if (!string.IsNullOrEmpty(model.MessageId) && model.ClientId.HasValue && messageInfo.MessageId == model.MessageId && messageInfo.ClientId == model.ClientId)
+				{
+					return messageInfo.GetViewModel;
+				}
+			}
+			return null;
+		}
+
+		public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+		{
+			var newMessageInfo = MessageInfo.Create(model);
+			if (newMessageInfo == null)
+			{
+				return null;
+			}
+			_source.MessageInfos.Add(newMessageInfo);
+			return newMessageInfo.GetViewModel;
+		}
+	}
+}

FoodOrders/AbstractFoodOrdersListImplement/Models/MessageInfo.cs

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+using AbstractFoodOrdersContracts.BindingModels;
+using AbstractFoodOrdersContracts.ViewModels;
+using AbstractFoodOrdersDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AbstractFoodOrdersListImplement.Models
+{
+	public class MessageInfo : IMessageInfoModel
+	{
+		public string MessageId { get; set; } = string.Empty;
+		public int? ClientId { get; set; }
+		public string SenderName { get; set; } = string.Empty;
+		public DateTime DateDelivery { get; set; }
+		public string Subject { get; set; } = string.Empty;
+		public string Body { get; set; } = string.Empty;
+
+		public static MessageInfo? Create(MessageInfoBindingModel model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new MessageInfo()
+			{
+				MessageId = model.MessageId,
+				ClientId = model.ClientId,
+				SenderName = model.SenderName,
+				Body = model.Body,
+				Subject = model.Subject,
+				DateDelivery = model.DateDelivery
+			};
+		}
+
+		public MessageInfoViewModel GetViewModel => new()
+		{
+			MessageId = MessageId,
+			ClientId = ClientId,
+			SenderName = SenderName,
+			Body = Body,
+			Subject = Subject,
+			DateDelivery = DateDelivery
+		};
+	}
+}