начало 7 усложненки

IceCreamShop/IceCreamBusinessLogic/BusinessLogics/MessageInfoLogic.cs

@@ -27,7 +27,28 @@ namespace IceCreamBusinessLogic.BusinessLogics
             return true;
         }
 
-        public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
+		public MessageInfoViewModel? ReadElement(MessageInfoSearchModel model)
+		{
+			var res = _messageInfoStorage.GetElement(model);
+			if (res == null)
+			{
+				_logger.LogWarning("Read element operation failed");
+				return null;
+			}
+			return res;
+		}
+
+		public bool Update(MessageInfoBindingModel model)
+		{
+			if (_messageInfoStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
         {
             _logger.LogInformation("ReadList. MessageId:{MessageId}.ClientId:{ClientId} ", model?.MessageId, model?.ClientId);
             var list = (model == null) ? _messageInfoStorage.GetFullList() : _messageInfoStorage.GetFilteredList(model);

IceCreamShop/IceCreamBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -25,21 +25,17 @@ namespace IceCreamBusinessLogic.BusinessLogics
         private readonly IShopLogic _shopLogic;
         private readonly IIceCreamStorage _iceCreamStorage;
 
-		public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, AbstractMailWorker mailWorker, IClientLogic clientLogic)
+		public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IIceCreamStorage icecreamStorage, IShopLogic shopLogic, IClientLogic clientLogic, AbstractMailWorker mailWorker)
 		{
-        public OrderLogic(IOrderStorage orderStorage, IShopStorage shopStorage, IShopLogic shopLogic, IIceCreamStorage iceCreamStorage, ILogger<OrderLogic> logger)
+			_logger = logger;
-        {
+			_shopLogic = shopLogic;
-            _orderStorage = orderStorage;
+			_iceCreamStorage = icecreamStorage;
-            _shopStorage = shopStorage;
+			_orderStorage = orderStorage;
-            _logger = logger;
 			_mailWorker = mailWorker;
 			_clientLogic = clientLogic;
 		}
-            _shopLogic = shopLogic;
-            _iceCreamStorage = iceCreamStorage;
-        }
 
-        public bool CreateOrder(OrderBindingModel model)
+		public bool CreateOrder(OrderBindingModel model)
         {
             CheckModel(model);
             if(model.Status != OrderStatus.Неизвестен)
@@ -111,149 +107,132 @@ namespace IceCreamBusinessLogic.BusinessLogics
             _logger.LogInformation("Order. OrderID:{Id}.Sum:{ Sum}. DocumentId: { DocumentId}", model.Id, model.Sum, model.IceCreamId);
         }
 
-        public bool SetNewStatus(OrderBindingModel rawModel, OrderStatus newStatus)
+		public bool SetNewStatus(OrderBindingModel rawModel, OrderStatus newStatus)
-        {
+		{
-            var viewModel = _orderStorage.GetElement(new OrderSearchModel
+			var viewModel = _orderStorage.GetElement(new OrderSearchModel
-            {
+			{
-                Id = rawModel.Id
+				Id = rawModel.Id
-            });
+			});
 
-            if (viewModel == null)
+			if (viewModel == null)
-            {
+			{
-                _logger.LogWarning("Order model not found");
+				_logger.LogWarning("Order model not found");
-                return false;
+				return false;
-            }
+			}
 
-            OrderBindingModel model = new OrderBindingModel
+			OrderBindingModel model = new OrderBindingModel
-            {
+			{
-                Id = viewModel.Id,
+				Id = viewModel.Id,
-                IceCreamId = viewModel.IceCreamId,
+				IceCreamId = viewModel.IceCreamId,
-                Status = viewModel.Status,
+				Status = viewModel.Status,
-                DateCreate = viewModel.DateCreate,
+				DateCreate = viewModel.DateCreate,
-                DateImplement = viewModel.DateImplement,
+				DateImplement = viewModel.DateImplement,
-                Count = viewModel.Count,
+				Count = viewModel.Count,
-                Sum = viewModel.Sum,
+				Sum = viewModel.Sum,
-                ImplementerId = viewModel.ImplementerId
+				ImplementerId = viewModel.ImplementerId
-            };
+			};
-            if (rawModel.ImplementerId.HasValue)
+			if (rawModel.ImplementerId.HasValue)
-            {
+			{
-                model.ImplementerId = rawModel.ImplementerId;
+				model.ImplementerId = rawModel.ImplementerId;
-            }
+			}
-            model.Status = orderStatus;
+
-            model.DateCreate = vmodel.DateCreate;
+			CheckModel(model);
-            if (model.DateImplement == null)
+			if (model.Status + 1 != newStatus && model.Status != OrderStatus.Ожидается)
-                model.DateImplement = vmodel.DateImplement;
+			{
-            if (vmodel.ImplementerId.HasValue)
+				_logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Order status incorrect.");
-                model.ImplementerId = vmodel.ImplementerId;
+				return false;
-            model.IceCreamId = vmodel.IceCreamId;
+			}
-            model.Sum = vmodel.Sum;
+
-            model.Count = vmodel.Count;
+			if (newStatus == OrderStatus.Готов)
+			{
+				var icecream = _iceCreamStorage.GetElement(new IceCreamSearchModel() { Id = model.IceCreamId });
+				if (icecream == null)
+				{
+					_logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Icecream not found.");
+					return false;
+				}
+				if (CheckSupply(icecream, model.Count) == false)
+				{
+					_logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Shop supply error.");
+					model.Status = OrderStatus.Ожидается;
+					_orderStorage.Update(model);
+					return false;
+				}
+			}
+
+			model.Status = newStatus;
+			if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
 			var result = _orderStorage.Update(model);
 			if (result == null)
 			{
+				model.Status--;
 				_logger.LogWarning("Update operation failed");
 				return false;
 			}
-			SendOrderStatusMail(result.ClientId, $"Изменен статус заказа #{result.Id}", $"Заказ #{model.Id} изменен статус на {result.Status}");
+			SendOrderStatusMail(result.ClientId, $"Изменен статус заказа #{result.Id}", $"Заказ #{result.Id} изменен статус на {result.Status}");
 			return true;
 		}
-    
 
-            CheckModel(model);
+		public bool CheckSupply(IIceCreamModel model, int count)
-            if (model.Status + 1 != newStatus && model.Status != OrderStatus.Ожидается)
+		{
-            {
+			if (count <= 0)
-                _logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Order status incorrect.");
+			{
-                return false;
+				_logger.LogWarning("Check then supply operation error. icecream count < 0.");
-            }
+				return false;
+			}
 
-            if (newStatus == OrderStatus.Готов)
+			int freeSpace = 0;
-            {
+			foreach (var shop in _shopStorage.GetFullList())
-                var icecream = _iceCreamStorage.GetElement(new IceCreamSearchModel() { Id = model.IceCreamId });
+			{
-                if (icecream == null)
+				freeSpace += shop.IceCreamMaxCount;
-                {
+				foreach (var icecream in shop.ShopIceCreams)
-                    _logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Icecream not found.");
+				{
-                    return false;
+					freeSpace -= icecream.Value.Item2;
-                }
+				}
-                if (CheckSupply(icecream, model.Count) == false)
+			}
-                {
-                    _logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Shop supply error.");
-                    model.Status = OrderStatus.Ожидается;
-                    _orderStorage.Update(model);
-                    return false;
-                }
-            }
 
-            model.Status = newStatus;
+			if (freeSpace - count < 0)
-            if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
+			{
-            if (_orderStorage.Update(model) == null)
+				_logger.LogWarning("Check then supply operation error. There's no place for new icecreams in shops.");
-            {
+				return false;
-                model.Status--;
+			}
-                _logger.LogWarning("Update operation failed");
-                return false;
-            }
-            return true;
-        }
 
-        public bool CheckSupply(IIceCreamModel model, int count)
+			foreach (var shop in _shopStorage.GetFullList())
-        {
+			{
-            if (count <= 0)
+				freeSpace = shop.IceCreamMaxCount;
-            {
+				foreach (var icecream in shop.ShopIceCreams)
-                _logger.LogWarning("Check then supply operation error. icecream count < 0.");
+				{
-                return false;
+					freeSpace -= icecream.Value.Item2;
-            }
+				}
-
+				if (freeSpace == 0)
-            int freeSpace = 0;
+				{
-            foreach (var shop in _shopStorage.GetFullList())
+					continue;
-            {
+				}
-                freeSpace += shop.IceCreamMaxCount;
+				if (freeSpace - count >= 0)
-                foreach (var icecream in shop.ShopIceCreams)
+				{
-                {
+					if (_shopLogic.SupplyIceCreams(new() { Id = shop.Id }, model, count)) count = 0;
-                    freeSpace -= icecream.Value.Item2;
+					else
-                }
+					{
-            }
+						_logger.LogWarning("Supply error");
-
+						return false;
-            if (freeSpace - count < 0)
+					}
-            {
+				}
-                _logger.LogWarning("Check then supply operation error. There's no place for new icecreams in shops.");
+				if (freeSpace - count < 0)
-                return false;
+				{
-            }
+					if (_shopLogic.SupplyIceCreams(new() { Id = shop.Id }, model, freeSpace)) count -= freeSpace;
-
+					else
-            foreach (var shop in _shopStorage.GetFullList())
+					{
-            {
+						_logger.LogWarning("Supply error");
-                freeSpace = shop.IceCreamMaxCount;
+						return false;
-                foreach (var icecream in shop.ShopIceCreams)
+					}
-                {
+				}
-                    freeSpace -= icecream.Value.Item2;
+				if (count <= 0)
-                }
+				{
-                if (freeSpace == 0)
+					return true;
-                {
+				}
-                    continue;
+			}
-                }
+			return false;
-                if (freeSpace - count >= 0)
+		}
-                {
-                    if (_shopLogic.SupplyIceCreams(new() { Id = shop.Id }, model, count)) count = 0;
-                    else
-                    {
-                        _logger.LogWarning("Supply error");
-                        return false;
-                    }
-                }
-                if (freeSpace - count < 0)
-                {
-                    if (_shopLogic.SupplyIceCreams(new() { Id = shop.Id }, model, freeSpace)) count -= freeSpace;
-                    else
-                    {
-                        _logger.LogWarning("Supply error");
-                        return false;
-                    }
-                }
-                if (count <= 0)
-                {
-                    return true;
-                }
-            }
-            return false;
-        }
 
         public OrderViewModel? ReadElement(OrderSearchModel model)
         {

IceCreamShop/IceCreamShop/FormReplyMail.Designer.cs

@@ -0,0 +1,149 @@
+namespace IceCreamShopView
+{
+	partial class FormReplyMail
+	{
+		/// <summary>
+		/// Required designer variable.
+		/// </summary>
+		private System.ComponentModel.IContainer components = null;
+
+		/// <summary>
+		/// Clean up any resources being used.
+		/// </summary>
+		/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+		protected override void Dispose(bool disposing)
+		{
+			if (disposing && (components != null))
+			{
+				components.Dispose();
+			}
+			base.Dispose(disposing);
+		}
+
+		#region Windows Form Designer generated code
+
+		/// <summary>
+		/// Required method for Designer support - do not modify
+		/// the contents of this method with the code editor.
+		/// </summary>
+		private void InitializeComponent()
+		{
+			textBoxReply = new TextBox();
+			textBoxMainText = new TextBox();
+			textBoxTitle = new TextBox();
+			labelReply = new Label();
+			labelMainText = new Label();
+			labelTitle = new Label();
+			buttonCancel = new Button();
+			buttonSave = new Button();
+			SuspendLayout();
+			// 
+			// textBoxReply
+			// 
+			textBoxReply.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+			textBoxReply.Location = new Point(137, 114);
+			textBoxReply.Multiline = true;
+			textBoxReply.Name = "textBoxReply";
+			textBoxReply.Size = new Size(494, 182);
+			textBoxReply.TabIndex = 15;
+			// 
+			// textBoxMainText
+			// 
+			textBoxMainText.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
+			textBoxMainText.Location = new Point(137, 32);
+			textBoxMainText.Multiline = true;
+			textBoxMainText.Name = "textBoxMainText";
+			textBoxMainText.ReadOnly = true;
+			textBoxMainText.Size = new Size(494, 76);
+			textBoxMainText.TabIndex = 14;
+			// 
+			// textBoxTitle
+			// 
+			textBoxTitle.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
+			textBoxTitle.Location = new Point(137, 2);
+			textBoxTitle.Name = "textBoxTitle";
+			textBoxTitle.ReadOnly = true;
+			textBoxTitle.Size = new Size(494, 23);
+			textBoxTitle.TabIndex = 13;
+			// 
+			// labelReply
+			// 
+			labelReply.Location = new Point(14, 114);
+			labelReply.Name = "labelReply";
+			labelReply.Size = new Size(117, 31);
+			labelReply.TabIndex = 12;
+			labelReply.Text = "Ответ на письмо:";
+			labelReply.TextAlign = ContentAlignment.TopRight;
+			// 
+			// labelMainText
+			// 
+			labelMainText.Location = new Point(14, 35);
+			labelMainText.Name = "labelMainText";
+			labelMainText.Size = new Size(117, 23);
+			labelMainText.TabIndex = 11;
+			labelMainText.Text = "Текст письма:";
+			labelMainText.TextAlign = ContentAlignment.TopRight;
+			// 
+			// labelTitle
+			// 
+			labelTitle.Location = new Point(14, 6);
+			labelTitle.Name = "labelTitle";
+			labelTitle.Size = new Size(117, 23);
+			labelTitle.TabIndex = 10;
+			labelTitle.Text = "Заголовок письма:";
+			labelTitle.TextAlign = ContentAlignment.TopRight;
+			// 
+			// buttonCancel
+			// 
+			buttonCancel.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
+			buttonCancel.Location = new Point(175, 302);
+			buttonCancel.Name = "buttonCancel";
+			buttonCancel.Size = new Size(117, 30);
+			buttonCancel.TabIndex = 9;
+			buttonCancel.Text = "Отмена";
+			buttonCancel.UseVisualStyleBackColor = true;
+			buttonCancel.Click += ButtonCancel_Click;
+			// 
+			// buttonSave
+			// 
+			buttonSave.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
+			buttonSave.Location = new Point(298, 302);
+			buttonSave.Name = "buttonSave";
+			buttonSave.Size = new Size(117, 30);
+			buttonSave.TabIndex = 8;
+			buttonSave.Text = "Сохранить";
+			buttonSave.UseVisualStyleBackColor = true;
+			buttonSave.Click += ButtonSave_Click;
+			// 
+			// FormReplyMail
+			// 
+			AutoScaleDimensions = new SizeF(7F, 15F);
+			AutoScaleMode = AutoScaleMode.Font;
+			ClientSize = new Size(636, 344);
+			Controls.Add(textBoxReply);
+			Controls.Add(textBoxMainText);
+			Controls.Add(textBoxTitle);
+			Controls.Add(labelReply);
+			Controls.Add(labelMainText);
+			Controls.Add(labelTitle);
+			Controls.Add(buttonCancel);
+			Controls.Add(buttonSave);
+			Name = "FormReplyMail";
+			Text = "Ответ на письмо";
+			Load += FormReplyMail_Load;
+			ResumeLayout(false);
+			PerformLayout();
+		}
+
+		#endregion
+
+		private TextBox textBoxReply;
+		private TextBox textBoxMainText;
+		private TextBox textBoxTitle;
+		private Label labelReply;
+		private Label labelMainText;
+		private Label labelTitle;
+		private Button buttonCancel;
+		private Button buttonSave;
+	}
+}

IceCreamShop/IceCreamShop/FormReplyMail.cs

@@ -0,0 +1,73 @@
+using IceCreamBusinessLogic.MailWorker;
+using IceCreamShopContracts.BusinessLogicsContracts;
+using IceCreamShopContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace IceCreamShopView
+{
+	public partial class FormReplyMail : Form
+	{
+		private readonly ILogger _logger;
+		private readonly AbstractMailWorker _mailWorker;
+		private readonly IMessageInfoLogic _logic;
+		private MessageInfoViewModel _message;
+
+		public string MessageId { get; set; } = string.Empty;
+
+		public FormReplyMail(ILogger<FormReplyMail> logger, AbstractMailWorker mailWorker, IMessageInfoLogic logic)
+		{
+			InitializeComponent();
+			_logger = logger;
+			_mailWorker = mailWorker;
+			_logic = logic;
+		}
+
+		private void ButtonCancel_Click(object sender, EventArgs e)
+		{
+			DialogResult = DialogResult.Cancel;
+			Close();
+		}
+
+		private void ButtonSave_Click(object sender, EventArgs e)
+		{
+			_mailWorker.MailSendAsync(new()
+			{
+				MailAddress = _message.SenderName,
+				Subject = _message.Subject,
+				Text = textBoxReply.Text,
+			});
+			_logic.Update(new()
+			{
+				MessageId = MessageId,
+				Reply = textBoxReply.Text,
+				HasRead = true,
+			});
+			MessageBox.Show("Успешно отправлено письмо", "Отправка письма", MessageBoxButtons.OK);
+			DialogResult = DialogResult.OK;
+			Close();
+		}
+
+		private void FormReplyMail_Load(object sender, EventArgs e)
+		{
+			try
+			{
+				_message = _logic.ReadElement(new() { MessageId = MessageId });
+				if (_message == null)
+					throw new ArgumentNullException("Письма с таким id не существует");
+				Text += $"для {_message.SenderName}";
+				textBoxTitle.Text = _message.Subject;
+				textBoxMainText.Text = _message.Body;
+				if (_message.HasRead is false)
+				{
+					_logic.Update(new() { MessageId = MessageId, HasRead = true, Reply = _message.Reply });
+				}
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Ошибка получения собщения");
+				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+					MessageBoxIcon.Error);
+			}
+		}
+	}
+}

IceCreamShop/IceCreamShop/FormReplyMail.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

IceCreamShop/IceCreamShop/FormViewMail.Designer.cs

@@ -28,25 +28,64 @@
 		/// </summary>
 		private void InitializeComponent()
 		{
+			labelInfoPages = new Label();
+			buttonNextPage = new Button();
+			buttonPrevPage = new Button();
 			dataGridView = new DataGridView();
 			((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
 			SuspendLayout();
 			// 
+			// labelInfoPages
+			// 
+			labelInfoPages.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
+			labelInfoPages.Location = new Point(99, 485);
+			labelInfoPages.Name = "labelInfoPages";
+			labelInfoPages.Size = new Size(104, 19);
+			labelInfoPages.TabIndex = 7;
+			labelInfoPages.Text = "{0} страница";
+			labelInfoPages.TextAlign = ContentAlignment.MiddleCenter;
+			// 
+			// buttonNextPage
+			// 
+			buttonNextPage.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
+			buttonNextPage.Location = new Point(209, 481);
+			buttonNextPage.Name = "buttonNextPage";
+			buttonNextPage.Size = new Size(75, 23);
+			buttonNextPage.TabIndex = 6;
+			buttonNextPage.Text = ">>>";
+			buttonNextPage.UseVisualStyleBackColor = true;
+			buttonNextPage.Click += ButtonNextPage_Click;
+			// 
+			// buttonPrevPage
+			// 
+			buttonPrevPage.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
+			buttonPrevPage.Location = new Point(18, 481);
+			buttonPrevPage.Name = "buttonPrevPage";
+			buttonPrevPage.Size = new Size(75, 23);
+			buttonPrevPage.TabIndex = 5;
+			buttonPrevPage.Text = "<<<";
+			buttonPrevPage.UseVisualStyleBackColor = true;
+			buttonPrevPage.Click += ButtonPrevPage_Click;
+			// 
 			// dataGridView
 			// 
+			dataGridView.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
 			dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-			dataGridView.Dock = DockStyle.Fill;
+			dataGridView.Location = new Point(12, 12);
-			dataGridView.Location = new Point(0, 0);
 			dataGridView.Name = "dataGridView";
 			dataGridView.RowTemplate.Height = 25;
-			dataGridView.Size = new Size(800, 450);
+			dataGridView.Size = new Size(872, 463);
-			dataGridView.TabIndex = 1;
+			dataGridView.TabIndex = 4;
+			dataGridView.RowHeaderMouseClick += dataGridView_RowHeaderMouseClick;
 			// 
 			// FormViewMail
 			// 
 			AutoScaleDimensions = new SizeF(7F, 15F);
 			AutoScaleMode = AutoScaleMode.Font;
-			ClientSize = new Size(800, 450);
+			ClientSize = new Size(896, 513);
+			Controls.Add(labelInfoPages);
+			Controls.Add(buttonNextPage);
+			Controls.Add(buttonPrevPage);
 			Controls.Add(dataGridView);
 			Name = "FormViewMail";
 			Text = "Письма";
@@ -57,6 +96,9 @@
 
 		#endregion
 
+		private Label labelInfoPages;
+		private Button buttonNextPage;
+		private Button buttonPrevPage;
 		private DataGridView dataGridView;
 	}
 }

IceCreamShop/IceCreamShop/FormViewMail.cs

@@ -1,4 +1,6 @@
-using IceCreamShopContracts.BusinessLogicsContracts;
+using IceCreamShop;
+using IceCreamShopContracts.BusinessLogicsContracts;
+using IceCreamShopContracts.ViewModels;
 using Microsoft.Extensions.Logging;
 
 namespace IceCreamShopView
@@ -7,19 +9,31 @@ namespace IceCreamShopView
 	{
 		private readonly ILogger _logger;
 		private readonly IMessageInfoLogic _logic;
+		private int currentPage = 1;
+		public int pageSize = 5;
 
 		public FormViewMail(ILogger<FormViewMail> logger, IMessageInfoLogic logic)
 		{
 			InitializeComponent();
 			_logger = logger;
 			_logic = logic;
+			buttonPrevPage.Enabled = false;
 		}
 
 		private void FormViewMail_Load(object sender, EventArgs e)
+		{
+			MailLoad();
+		}
+
+		private bool MailLoad()
 		{
 			try
 			{
-				var list = _logic.ReadList(null);
+				var list = _logic.ReadList(new()
+				{
+					Page = currentPage,
+					PageSize = pageSize,
+				});
 				if (list != null)
 				{
 					dataGridView.DataSource = list;
@@ -28,12 +42,56 @@ namespace IceCreamShopView
 					dataGridView.Columns["Body"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
 				}
 				_logger.LogInformation("Загрузка списка писем");
+				labelInfoPages.Text = $"{currentPage} страница";
+				return true;
 			}
 			catch (Exception ex)
 			{
 				_logger.LogError(ex, "Ошибка загрузки писем");
 				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
-				MessageBoxIcon.Error);
+					MessageBoxIcon.Error);
+				return false;
+			}
+		}
+
+		private void ButtonPrevPage_Click(object sender, EventArgs e)
+		{
+			if (currentPage == 1)
+			{
+				_logger.LogWarning("Неккоректный номер страницы {page}", currentPage - 1);
+				return;
+			}
+			currentPage--;
+			if (MailLoad())
+			{
+				buttonNextPage.Enabled = true;
+				if (currentPage == 1)
+					buttonPrevPage.Enabled = false;
+			}
+		}
+
+		private void ButtonNextPage_Click(object sender, EventArgs e)
+		{
+			currentPage++;
+			if (!MailLoad() || ((List<MessageInfoViewModel>)dataGridView.DataSource).Count == 0)
+			{
+				_logger.LogWarning("Out of range messages");
+				currentPage--;
+				MailLoad();
+				buttonNextPage.Enabled = false;
+			}
+			else
+				buttonPrevPage.Enabled = true;
+		}
+
+		private void dataGridView_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
+		{
+			var service = Program.ServiceProvider?.GetService(typeof(FormReplyMail));
+			if (service is FormReplyMail form)
+			{
+				form.MessageId = (string)dataGridView.Rows[e.RowIndex].Cells["MessageId"].Value;
+				form.ShowDialog();
+				MailLoad();
 			}
 		}
 	}

IceCreamShop/IceCreamShopContracts/BindingModels/MessageInfoBindingModel.cs

@@ -15,5 +15,9 @@ namespace IceCreamShopContracts.BindingModels
         public string Body { get; set; } = string.Empty;
 
         public DateTime DateDelivery { get; set; }
-    }
+
+		public bool HasRead { get; set; }
+
+		public string? Reply { get; set; }
+	}
 }

IceCreamShop/IceCreamShopContracts/BusinessLogicsContracts/IMessageInfoLogic.cs

@@ -9,5 +9,9 @@ namespace IceCreamShopContracts.BusinessLogicsContracts
         List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model);
 
         bool Create(MessageInfoBindingModel model);
-    }
+
+		bool Update(MessageInfoBindingModel model);
+
+		MessageInfoViewModel? ReadElement(MessageInfoSearchModel model);
+	}
 }

IceCreamShop/IceCreamShopContracts/SearchModels/MessageInfoSearchModel.cs

@@ -5,5 +5,9 @@
         public int? ClientId { get; set; }
 
         public string? MessageId { get; set; }
-    }
+
+		public int? Page { get; set; }
+
+		public int? PageSize { get; set; }
+	}
 }

IceCreamShop/IceCreamShopContracts/StoragesContracts/IMessageInfoStorage.cs

@@ -13,5 +13,7 @@ namespace IceCreamShopContracts.StoragesContracts
         MessageInfoViewModel? GetElement(MessageInfoSearchModel model);
 
         MessageInfoViewModel? Insert(MessageInfoBindingModel model);
-    }
+
+		MessageInfoViewModel? Update(MessageInfoBindingModel model);
+	}
 }

IceCreamShop/IceCreamShopContracts/ViewModels/MessageInfoViewModel.cs

@@ -20,5 +20,11 @@ namespace IceCreamShopContracts.ViewModels
 
         [DisplayName("Текст")]
         public string Body { get; set; } = string.Empty;
-    }
+
+		[DisplayName("Прочитано")]
+		public bool HasRead { get; set; }
+
+		[DisplayName("Ответ")]
+		public string? Reply { get; set; }
+	}
 }

IceCreamShop/IceCreamShopDatabaseImplement/Implements/MessageInfoStorage.cs

@@ -19,16 +19,20 @@ namespace IceCreamShopDatabaseImplement.Implements
             return null;
         }
 
-        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+		public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
-        {
+		{
-            using var context = new IceCreamShopDatabase();
+			using var context = new IceCreamShopDatabase();
-            return context.Messages
+			var res = context.Messages
-                .Where(x => x.ClientId == model.ClientId)
+				.Where(x => !model.ClientId.HasValue || x.ClientId == model.ClientId)
-                .Select(x => x.GetViewModel)
+				.Select(x => x.GetViewModel);
-                .ToList();
+			if (!(model.Page.HasValue && model.PageSize.HasValue))
-        }
+			{
+				return res.ToList();
+			}
+			return res.Skip((model.Page.Value - 1) * model.PageSize.Value).Take(model.PageSize.Value).ToList();
+		}
 
-        public List<MessageInfoViewModel> GetFullList()
+		public List<MessageInfoViewModel> GetFullList()
         {
             using var context = new IceCreamShopDatabase();
             return context.Messages
@@ -48,5 +52,17 @@ namespace IceCreamShopDatabaseImplement.Implements
             context.SaveChanges();
             return newMessage.GetViewModel;
         }
-    }
+
+		public MessageInfoViewModel? Update(MessageInfoBindingModel model)
+		{
+			using var context = new IceCreamShopDatabase();
+			var res = context.Messages.FirstOrDefault(x => x.MessageId.Equals(model.MessageId));
+			if (res != null)
+			{
+				res.Update(model);
+				context.SaveChanges();
+			}
+			return res?.GetViewModel;
+		}
+	}
 }

IceCreamShop/IceCreamShopDatabaseImplement/Migrations/IceCreamShopDatabaseModelSnapshot.cs

@@ -320,8 +320,9 @@ namespace IceCreamShopDatabaseImplement.Migrations
                     b.Navigation("Client");
 
                     b.Navigation("IceCream");
+				});
 
-            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.ShopIcecream", b =>
+			modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.ShopIcecream", b =>
                 {
                     b.HasOne("IceCreamShopDatabaseImplement.Models.IceCream", "IceCream")
                         .WithMany()

IceCreamShop/IceCreamShopDatabaseImplement/Models/MessageInfo.cs

@@ -22,7 +22,11 @@ namespace IceCreamShopDatabaseImplement.Models
 
         public Client? Client { get; private set; }
 
-        public static MessageInfo? Create(MessageInfoBindingModel model)
+		public bool HasRead { get; private set; }
+
+		public string? Reply { get; private set; }
+
+		public static MessageInfo? Create(MessageInfoBindingModel model)
         {
             if (model == null)
             {
@@ -30,23 +34,37 @@ namespace IceCreamShopDatabaseImplement.Models
             }
             return new()
             {
-                Body = model.Body,
+				Body = model.Body,
-                Subject = model.Subject,
+				Reply = model.Reply,
-                ClientId = model.ClientId,
+				HasRead = model.HasRead,
-                MessageId = model.MessageId,
+				Subject = model.Subject,
-                SenderName = model.SenderName,
+				ClientId = model.ClientId,
-                DateDelivery = model.DateDelivery,
+				MessageId = model.MessageId,
-            };
+				SenderName = model.SenderName,
+				DateDelivery = model.DateDelivery,
+			};
         }
 
-        public MessageInfoViewModel GetViewModel => new()
+		public void Update(MessageInfoBindingModel model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			Reply = model.Reply;
+			HasRead = model.HasRead;
+		}
+
+		public MessageInfoViewModel GetViewModel => new()
         {
-            Body = Body,
+			Body = Body,
-            Subject = Subject,
+			Reply = Reply,
-            ClientId = ClientId,
+			HasRead = HasRead,
-            MessageId = MessageId,
+			Subject = Subject,
-            SenderName = SenderName,
+			ClientId = ClientId,
-            DateDelivery = DateDelivery,
+			MessageId = MessageId,
-        };
+			SenderName = SenderName,
+			DateDelivery = DateDelivery,
+		};
     }
 }

IceCreamShop/IceCreamShopFileImplement/Implements/MessageInfoStorage.cs

@@ -25,11 +25,15 @@ namespace IceCreamShopFileImplement.Implements
 
         public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
         {
-            return _source.Messages
+			var res = _source.Messages
-                .Where(x => x.ClientId == model.ClientId)
+				.Where(x => !model.ClientId.HasValue || x.ClientId == model.ClientId)
-                .Select(x => x.GetViewModel)
+				.Select(x => x.GetViewModel);
-                .ToList();
+			if (!(model.Page.HasValue && model.PageSize.HasValue))
-        }
+			{
+				return res.ToList();
+			}
+			return res.Skip((model.Page.Value - 1) * model.PageSize.Value).Take(model.PageSize.Value).ToList();
+		}
 
         public List<MessageInfoViewModel> GetFullList()
         {
@@ -49,5 +53,16 @@ namespace IceCreamShopFileImplement.Implements
             _source.SaveMessages();
             return newMessage.GetViewModel;
         }
-    }
+
+		public MessageInfoViewModel? Update(MessageInfoBindingModel model)
+		{
+			var res = _source.Messages.FirstOrDefault(x => x.MessageId.Equals(model.MessageId));
+			if (res != null)
+			{
+				res.Update(model);
+				_source.SaveMessages();
+			}
+			return res?.GetViewModel;
+		}
+	}
 }

IceCreamShop/IceCreamShopFileImplement/Models/MessageInfo.cs

@@ -19,7 +19,11 @@ namespace IceCreamShopFileImplement.Models
 
         public string Body { get; private set; } = string.Empty;
 
-        public static MessageInfo? Create(MessageInfoBindingModel model)
+		public bool HasRead { get; private set; }
+
+		public string? Reply { get; private set; }
+
+		public static MessageInfo? Create(MessageInfoBindingModel model)
         {
             if (model == null)
             {
@@ -27,13 +31,15 @@ namespace IceCreamShopFileImplement.Models
             }
             return new()
             {
-                Body = model.Body,
+				Body = model.Body,
-                Subject = model.Subject,
+				Reply = model.Reply,
-                ClientId = model.ClientId,
+				HasRead = model.HasRead,
-                MessageId = model.MessageId,
+				Subject = model.Subject,
-                SenderName = model.SenderName,
+				ClientId = model.ClientId,
-                DateDelivery = model.DateDelivery,
+				MessageId = model.MessageId,
-            };
+				SenderName = model.SenderName,
+				DateDelivery = model.DateDelivery,
+			};
         }
 
         public static MessageInfo? Create(XElement element)
@@ -44,32 +50,48 @@ namespace IceCreamShopFileImplement.Models
             }
             return new()
             {
-                Body = element.Attribute("Body")!.Value,
+				Body = element.Attribute("Body")!.Value,
-                Subject = element.Attribute("Subject")!.Value,
+				Reply = element.Attribute("Reply")!.Value,
-                ClientId = Convert.ToInt32(element.Attribute("ClientId")!.Value),
+				HasRead = Convert.ToBoolean(element.Attribute("HasRead")!.Value),
-                MessageId = element.Attribute("MessageId")!.Value,
+				Subject = element.Attribute("Subject")!.Value,
-                SenderName = element.Attribute("SenderName")!.Value,
+				ClientId = Convert.ToInt32(element.Attribute("ClientId")!.Value),
-                DateDelivery = Convert.ToDateTime(element.Attribute("DateDelivery")!.Value),
+				MessageId = element.Attribute("MessageId")!.Value,
-            };
+				SenderName = element.Attribute("SenderName")!.Value,
+				DateDelivery = Convert.ToDateTime(element.Attribute("DateDelivery")!.Value),
+			};
         }
 
-        public MessageInfoViewModel GetViewModel => new()
+		public void Update(MessageInfoBindingModel model)
-        {
+		{
-            Body = Body,
+			if (model == null)
-            Subject = Subject,
+			{
-            ClientId = ClientId,
+				return;
-            MessageId = MessageId,
+			}
-            SenderName = SenderName,
+			Reply = model.Reply;
-            DateDelivery = DateDelivery,
+			HasRead = model.HasRead;
-        };
+		}
 
-        public XElement GetXElement => new("MessageInfo",
+		public MessageInfoViewModel GetViewModel => new()
-            new XAttribute("Body", Body),
+        {
-            new XAttribute("Subject", Subject),
+			Body = Body,
-            new XAttribute("ClientId", ClientId),
+			Reply = Reply,
-            new XAttribute("MessageId", MessageId),
+			HasRead = HasRead,
-            new XAttribute("SenderName", SenderName),
+			Subject = Subject,
-            new XAttribute("DateDelivery", DateDelivery)
+			ClientId = ClientId,
-            );
+			MessageId = MessageId,
-    }
+			SenderName = SenderName,
+			DateDelivery = DateDelivery,
+		};
+
+		public XElement GetXElement => new("MessageInfo",
+			new XAttribute("Body", Body),
+			new XAttribute("Reply", Reply),
+			new XAttribute("HasRead", HasRead),
+			new XAttribute("Subject", Subject),
+			new XAttribute("ClientId", ClientId),
+			new XAttribute("MessageId", MessageId),
+			new XAttribute("SenderName", SenderName),
+			new XAttribute("DateDelivery", DateDelivery)
+			);
+	}
 }

IceCreamShop/IceCreamShopListImplement/Implements/MessageInfoStorage.cs

@@ -1,12 +1,13 @@
 using IceCreamShopContracts.BindingModels;
 using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
 using IceCreamShopContracts.ViewModels;
 using IceCreamShopListImplement.Models;
 
 namespace IceCreamShopListImplement.Implements
 {
     public class MessageInfoStorage
-    {
+	{
         private readonly DataListSingleton _source;
         public MessageInfoStorage()
         {