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SvetoforVKBot/Models/Commands/Registration/Date/SelectDRMonthCommand.cs

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+using System;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Text.RegularExpressions;
+using SvetoforVKBot.Models.Updates;
+using VkNet;
+using VkNet.Model.RequestParams;
+
+namespace SvetoforVKBot.Models.Commands.Registration
+{
+    public class SelectDRMonthCommand : Command
+    {
+        public override string Name => "{\"button\":\"selectDRMonth-";
+
+        public override void Execute(RootObject update, VkApi client, SvetoforVKBot.Data.SvetoforVKBotEntities db)
+        {
+        }
+
+        public override void ExecutePL(RootObject update, VkApi client, SvetoforVKBot.Data.SvetoforVKBotEntities db)
+        {
+            MessagesSendParams @params = new MessagesSendParams();
+            var chatId = update.@object.message.from_id;
+            Regex regex = new Regex("[^0-9]");
+
+            try
+            {
+                string[] payload = update.@object.message.payload.Split('-');
+                int curYear = Convert.ToInt32(regex.Replace(payload[1], ""));
+                int curMonth = Convert.ToInt32(regex.Replace(payload[2], ""));
+
+                var user = db.Users.Single(usr => usr.chatId == chatId);
+                user.tag = "Подписчик - Регистрация - ДР - Число";
+                db.SaveChanges();
+
+                DateTime dt = new DateTime(curYear, curMonth, 1);
+
+                ShowCalendar showCalendar = new ShowCalendar();
+                showCalendar.Execute(update, client, db, dt);
+            }
+            catch (Exception ee)
+            {
+                @params.Message = "‼Ошибка в SelectStudentDRMonthCommand: " + ee.Message;
+                @params.Attachments = null;
+                @params.Keyboard = null;
+                @params.UserId = 59111081;
+                @params.RandomId = GetRandomId();
+                client.Messages.SendAsync(@params);
+            }
+        }
+    }
+}