BusinessLogic/Tools/Mail/Mail.cs

@@ -11,5 +11,6 @@ namespace BusinessLogic.Tools.Mail
         public IEnumerable<string> To { get; set; } = null!;
         public string Title { get; set; } = null!;
         public string Body { get; set; } = null!;
+        public bool IsSendable { get; set; } = true;
     }
 }

BusinessLogic/Tools/Mail/MailSender.cs

@@ -25,6 +25,8 @@ namespace BusinessLogic.Tools.Mail
 
         public static void Send(Mail mail)
         {
+            if (!mail.IsSendable) return;
+
             using SmtpClient client = new SmtpClient(_smtpClientHost, _smtpClientPort);
             client.Credentials = new NetworkCredential(_email, _password);
             client.EnableSsl = true;

BusinessLogic/Tools/Mail/MailTemplates/MailRegistration.cs

@@ -12,6 +12,10 @@ namespace BusinessLogic.Tools.Mail.MailTemplates
     {
         public MailRegistration(UserBindingModel user)
         {
+            if (user.OnlyImportantMails)
+            {
+                IsSendable = false;
+            }
             To = [user.Email];
             Title = "Приветствуем Вас на нашем сайте!";
             Body = $"Спасибо, {user.SecondName} {user.FirstName}, что выбрали НАС.\n" +

Contracts/BindingModels/UserBindingModel.cs

@@ -15,6 +15,7 @@ namespace Contracts.BindingModels
         public string PasswordHash { get; set; } = string.Empty;
         public string? Password { get; set; }
         public DateTime Birthday { get; set; }
+        public bool OnlyImportantMails { get; set; }
         public RoleBindingModel Role { get; set; } = null!;
     }
 }

Contracts/Converters/UserConverter.cs

@@ -17,6 +17,7 @@ namespace Contracts.Converters
             SecondName = model.SecondName,
             Email = model.Email,
             Birthday = model.Birthday,
+            OnlyImportantMails = model.OnlyImportantMails,
             Role = RoleConverter.ToView(model.Role),
         };
 
@@ -27,6 +28,7 @@ namespace Contracts.Converters
             SecondName = model.SecondName,
             Email = model.Email,
             Birthday = model.Birthday,
+            OnlyImportantMails = model.OnlyImportantMails,
             Role = RoleConverter.ToBinding(model.Role),
         };
     }

Contracts/SearchModels/UserSearchModel.cs

@@ -10,5 +10,6 @@ namespace Contracts.SearchModels
     {
         public Guid? Id { get; set; }
         public string? Email { get; set; }
+        public bool? OnlyImportantMails { get; set; }
     }
 }

Contracts/ViewModels/UserViewModel.cs

@@ -13,6 +13,7 @@ namespace Contracts.ViewModels
         public string SecondName { get; set; } = string.Empty;
         public string Email { get; set; } = string.Empty;
         public DateTime Birthday { get; set; }
+        public bool OnlyImportantMails { get; set; }
         public RoleViewModel Role { get; set; } = null!;
     }
 }

DataModels/Models/IUser.cs

@@ -13,5 +13,6 @@ namespace DataModels.Models
         string PasswordHash { get; }
         string Email { get; }
         DateTime Birthday { get; }
+        bool OnlyImportantMails { get; }
     }
 }

DatabaseImplement/Implements/UserStorage.cs

@@ -60,14 +60,15 @@ namespace DatabaseImplement.Implements
                     .Include(u => u.Role)
                     .Select(r => r.GetBindingModel());
             }
-			if (model.Id is null && model.Email is null)
+            if (model.Id is null && model.Email is null && !model.OnlyImportantMails is null)
             {
                 return [];
             }
             return context.Users
                 .Where(u =>
                     (model.Id.HasValue && u.Id == model.Id)
-					|| (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email)))
+                    || (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email))
+                    || (model.OnlyImportantMails.HasValue && u.OnlyImportantMails == model.OnlyImportantMails))
                 .Include(u => u.Role)
                 .Select(r => r.GetBindingModel());
         }

DatabaseImplement/Models/User.cs

@@ -4,6 +4,7 @@ using Contracts.ViewModels;
 using DataModels.Models;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
@@ -32,6 +33,8 @@ namespace DatabaseImplement.Models
 
         public Role? Role { get; set; }
 
+        public bool OnlyImportantMails { get; set; } = false;
+
         public UserBindingModel GetBindingModel() => new()
         {
             Id = Id,
@@ -40,6 +43,7 @@ namespace DatabaseImplement.Models
             Email = Email,
             PasswordHash = PasswordHash,
             Birthday = Birthday,
+            OnlyImportantMails = OnlyImportantMails,
             Role = Role?.GetBindingModel() ?? new()
         };
 
@@ -61,6 +65,7 @@ namespace DatabaseImplement.Models
             Email = model.Email,
             PasswordHash = model.PasswordHash,
             Birthday = model.Birthday,
+            OnlyImportantMails = model.OnlyImportantMails,
             Role = role
         };
 
@@ -71,12 +76,13 @@ namespace DatabaseImplement.Models
                 throw new ArgumentNullException("Update user: binding model is null");
             }
 
-			Email = model.Email;
+            Email = model.Email ?? Email;
-			FirstName = model.FirstName;
+            FirstName = model.FirstName ?? FirstName;
-			SecondName = model.SecondName;
+            SecondName = model.SecondName ?? SecondName;
-			PasswordHash = model.PasswordHash;
+            PasswordHash = model.PasswordHash ?? PasswordHash;
             Birthday = model.Birthday;
-			Role = role;
+            OnlyImportantMails = model.OnlyImportantMails;
+            Role = role ?? Role;
         }
     }
 }