Folder structure reconstruction

MailServer/Database.cs

@@ -0,0 +1,93 @@
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace SMTPServer
+{
+    public class MysqlDB : DbContext
+    {
+        const string Hostname = "192.168.178.148";
+        const string DatabaseName = "vmail";
+        const string Uid = "root";
+        const string Pwd = "fabian.11";
+
+        public DbSet<Domains> Domains { get; set; }
+
+        public DbSet<Accounts> Accounts { get; set; }
+
+        public DbSet<Folders> Folders { get; set; }
+
+        public DbSet<Aliases> Aliases { get; set; }
+
+        public DbSet<Mails> Mails { get; set; }
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+            => optionsBuilder.UseMySql(@"Server=" + Hostname + ";database=" + DatabaseName + ";uid=" + Uid + ";pwd=" + Pwd + ";");
+    }
+
+    public class Domains
+    {
+        public int Id { get; set; }
+        public string Domain { get; set; }
+        public bool IsMail { get; set; }
+    }
+
+    public class Accounts
+    {
+        public int Id { get; set; }
+        [MaxLength(255)]
+        public string Name { get; set; }
+        public int Domain { get; set; }
+        public string Password { get; set; }
+        public bool CatchAll { get; set; }
+        public bool Active { get; set; }
+    }
+
+    public class Folders
+    {
+        public int Id { get; set; }
+        public int AccountId { get; set; }
+        [MaxLength(100)]
+        public string Name { get; set; }
+        public int StandardFolder { get; set; }
+    }
+
+    public enum StandardFolders
+    {
+        INBOX = 1,
+        TRASH = 2,
+        SPAM = 3
+    }
+
+    public class Aliases
+    {
+        public int Id { get; set; }
+        [MaxLength(255)]
+        public string SourceName { get; set; }
+        public int SourceDomain { get; set; }
+        public int DestinationAccount { get; set; }
+    }
+
+    public class Mails
+    {
+        public int Id { get; set; }
+        public int AccountId { get; set; }
+        public DateTime ReceiveDate { get; set; }
+        public string Data { get; set; }
+        
+        [MaxLength(15)]
+        public string SendedByServerIp { get; set; }
+
+        [MaxLength(255)]
+        public string From { get; set; }
+
+        [MaxLength(255)]
+        public string To { get; set; }
+        public int Folder { get; set; }
+        public bool Readed { get; set; }
+    }
+}