diff --git a/MainProject.Tests/Services/RoleService_Tests.cs b/MainProject.Tests/Services/RoleService_Tests.cs
index 027012e..188cf34 100644
--- a/MainProject.Tests/Services/RoleService_Tests.cs
+++ b/MainProject.Tests/Services/RoleService_Tests.cs
@@ -2,6 +2,8 @@
 using BasicDotnetTemplate.MainProject.Services;
 using BasicDotnetTemplate.MainProject.Models.Api.Data.Role;
 using BasicDotnetTemplate.MainProject.Models.Database.SqlServer;
+using Newtonsoft.Json;
+using BasicDotnetTemplate.MainProject.Models.Api.Common.Exceptions;
 
 
 
diff --git a/MainProject/Core/Database/SqlServerContext.cs b/MainProject/Core/Database/SqlServerContext.cs
index 68ccab1..f36d364 100644
--- a/MainProject/Core/Database/SqlServerContext.cs
+++ b/MainProject/Core/Database/SqlServerContext.cs
@@ -6,29 +6,75 @@ namespace BasicDotnetTemplate.MainProject.Core.Database
 {
     public class SqlServerContext : DbContext
     {
+        private const string _isDeletedFalse = "[IsDeleted] = 0";
+        private const string _isEnabled = "[Enabled] = 1";
 
         public SqlServerContext(DbContextOptions<SqlServerContext> options)
         : base(options)
         {
         }
 
-        public DbSet<User> Users { get; set; }
+        public DbSet<PermissionModule> PermissionModules { get; set; }
+        public DbSet<PermissionOperation> PermissionOperations { get; set; }
+        public DbSet<PermissionSystem> PermissionSystems { get; set; }
+        public DbSet<PermissionSystemModule> PermissionSystemModules { get; set; }
+        public DbSet<PermissionSystemModuleOperation> PermissionSystemModuleOperations { get; set; }        
+        public DbSet<RolePermissionSystemModuleOperation> RolePermissionSystemModuleOperations { get; set; }
         public DbSet<Role> Roles { get; set; }
+        public DbSet<User> Users { get; set; }
+
 
 
         protected override void OnModelCreating(ModelBuilder modelBuilder)
         {
+            #region "INDEXES"
+            // Indexes
+
             modelBuilder.Entity<User>()
                 .HasIndex(x => x.Email, "IX_Email");
 
             modelBuilder.Entity<User>()
                 .HasIndex(x => new { x.IsDeleted, x.Guid }, "IX_IsDeleted_Guid")
-                .HasFilter("[IsDeleted] = 0");
-
+                .HasFilter(_isDeletedFalse);
 
             modelBuilder.Entity<Role>()
                 .HasIndex(x => new { x.IsDeleted, x.Guid }, "IX_IsDeleted_Guid")
-                .HasFilter("[IsDeleted] = 0");
+                .HasFilter(_isDeletedFalse);
+
+            modelBuilder.Entity<PermissionSystem>()
+                .HasIndex(x => new { x.IsDeleted }, "IX_IsDeleted")
+                .HasFilter(_isDeletedFalse);
+
+            modelBuilder.Entity<PermissionSystem>()
+                .HasIndex(x => new { x.Enabled }, "IX_Enabled")
+                .HasFilter(_isEnabled);
+
+            modelBuilder.Entity<PermissionSystem>()
+                .HasIndex(x => new { x.IsDeleted, x.Name, x.Enabled }, "IX_IsDeleted_Name_Enabled")
+                .HasFilter(_isEnabled)
+                .HasFilter(_isDeletedFalse);
+
+            modelBuilder.Entity<PermissionModule>()
+                .HasIndex(x => new { x.IsDeleted }, "IX_IsDeleted")
+                .HasFilter(_isDeletedFalse);
+
+            modelBuilder.Entity<PermissionModule>()
+                .HasIndex(x => new { x.Enabled }, "IX_Enabled")
+                .HasFilter(_isEnabled);
+
+            modelBuilder.Entity<PermissionModule>()
+                .HasIndex(x => new { x.IsDeleted, x.Name, x.Enabled }, "IX_IsDeleted_Name_Enabled")
+                .HasFilter(_isEnabled)
+                .HasFilter(_isDeletedFalse);
+
+            modelBuilder.Entity<PermissionOperation>()
+                .HasIndex(x => new { x.IsDeleted, x.Name }, "IX_IsDeleted_Name");
+
+            modelBuilder.Entity<PermissionSystemModuleOperation>()
+                .HasIndex(x => new { x.IsDeleted, x.Enabled, x.Guid }, "IX_IsDeleted_Enabled_Guid");
+
+            #endregion
+
         }
     }
 }
diff --git a/MainProject/Migrations/20250426183010_AddingPermissionsTables.Designer.cs b/MainProject/Migrations/20250426183010_AddingPermissionsTables.Designer.cs
new file mode 100644
index 0000000..6ee1838
--- /dev/null
+++ b/MainProject/Migrations/20250426183010_AddingPermissionsTables.Designer.cs
@@ -0,0 +1,543 @@
+// <auto-generated />
+using System;
+using BasicDotnetTemplate.MainProject.Core.Database;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace MainProject.Migrations
+{
+    [DbContext(typeof(SqlServerContext))]
+    [Migration("20250426183010_AddingPermissionsTables")]
+    partial class AddingPermissionsTables
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.2")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionModule", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex(new[] { "Enabled" }, "IX_Enabled")
+                        .HasFilter("[Enabled] = 1");
+
+                    b.HasIndex(new[] { "IsDeleted" }, "IX_IsDeleted")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.HasIndex(new[] { "IsDeleted", "Name", "Enabled" }, "IX_IsDeleted_Name_Enabled")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.ToTable("PermissionModules");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionOperation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex(new[] { "IsDeleted", "Name" }, "IX_IsDeleted_Name");
+
+                    b.ToTable("PermissionOperations");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex(new[] { "Enabled" }, "IX_Enabled")
+                        .HasFilter("[Enabled] = 1");
+
+                    b.HasIndex(new[] { "IsDeleted" }, "IX_IsDeleted")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.HasIndex(new[] { "IsDeleted", "Name", "Enabled" }, "IX_IsDeleted_Name_Enabled")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.ToTable("PermissionSystems");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModule", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("PermissionModuleId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PermissionSystemId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PermissionModuleId");
+
+                    b.HasIndex("PermissionSystemId");
+
+                    b.ToTable("PermissionSystemModules");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModuleOperation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("PermissionOperationId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PermissionSystemModuleId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PermissionOperationId");
+
+                    b.HasIndex("PermissionSystemModuleId");
+
+                    b.HasIndex(new[] { "IsDeleted", "Enabled", "Guid" }, "IX_IsDeleted_Enabled_Guid");
+
+                    b.ToTable("PermissionSystemModuleOperations");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.Role", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("IsNotEditable")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex(new[] { "IsDeleted", "Guid" }, "IX_IsDeleted_Guid")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.RolePermissionSystemModuleOperation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("Active")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("PermissionSystemModuleOperationId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RoleId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PermissionSystemModuleOperationId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("RolePermissionSystemModuleOperations");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("IsTestUser")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("LastName")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("PasswordSalt")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("RoleId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.HasIndex(new[] { "Email" }, "IX_Email");
+
+                    b.HasIndex(new[] { "IsDeleted", "Guid" }, "IX_IsDeleted_Guid")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModule", b =>
+                {
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionModule", "PermissionModule")
+                        .WithMany()
+                        .HasForeignKey("PermissionModuleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystem", "PermissionSystem")
+                        .WithMany()
+                        .HasForeignKey("PermissionSystemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("PermissionModule");
+
+                    b.Navigation("PermissionSystem");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModuleOperation", b =>
+                {
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionOperation", "PermissionOperation")
+                        .WithMany()
+                        .HasForeignKey("PermissionOperationId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModule", "PermissionSystemModule")
+                        .WithMany()
+                        .HasForeignKey("PermissionSystemModuleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("PermissionOperation");
+
+                    b.Navigation("PermissionSystemModule");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.RolePermissionSystemModuleOperation", b =>
+                {
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModuleOperation", "PermissionSystemModuleOperation")
+                        .WithMany()
+                        .HasForeignKey("PermissionSystemModuleOperationId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("PermissionSystemModuleOperation");
+
+                    b.Navigation("Role");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.User", b =>
+                {
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Role");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/MainProject/Migrations/20250426183010_AddingPermissionsTables.cs b/MainProject/Migrations/20250426183010_AddingPermissionsTables.cs
new file mode 100644
index 0000000..3390e0d
--- /dev/null
+++ b/MainProject/Migrations/20250426183010_AddingPermissionsTables.cs
@@ -0,0 +1,283 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace MainProject.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddingPermissionsTables : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "PermissionModules",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    Enabled = table.Column<bool>(type: "bit", nullable: false),
+                    Guid = table.Column<string>(type: "nvarchar(45)", maxLength: 45, nullable: false),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false),
+                    CreationTime = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    CreationUserId = table.Column<int>(type: "int", nullable: true),
+                    UpdateTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    UpdateUserId = table.Column<int>(type: "int", nullable: true),
+                    DeletionTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    DeletionUserId = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PermissionModules", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PermissionOperations",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    Guid = table.Column<string>(type: "nvarchar(45)", maxLength: 45, nullable: false),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false),
+                    CreationTime = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    CreationUserId = table.Column<int>(type: "int", nullable: true),
+                    UpdateTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    UpdateUserId = table.Column<int>(type: "int", nullable: true),
+                    DeletionTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    DeletionUserId = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PermissionOperations", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PermissionSystems",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    Enabled = table.Column<bool>(type: "bit", nullable: false),
+                    Guid = table.Column<string>(type: "nvarchar(45)", maxLength: 45, nullable: false),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false),
+                    CreationTime = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    CreationUserId = table.Column<int>(type: "int", nullable: true),
+                    UpdateTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    UpdateUserId = table.Column<int>(type: "int", nullable: true),
+                    DeletionTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    DeletionUserId = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PermissionSystems", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PermissionSystemModules",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PermissionSystemId = table.Column<int>(type: "int", nullable: false),
+                    PermissionModuleId = table.Column<int>(type: "int", nullable: false),
+                    Enabled = table.Column<bool>(type: "bit", nullable: false),
+                    Guid = table.Column<string>(type: "nvarchar(45)", maxLength: 45, nullable: false),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false),
+                    CreationTime = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    CreationUserId = table.Column<int>(type: "int", nullable: true),
+                    UpdateTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    UpdateUserId = table.Column<int>(type: "int", nullable: true),
+                    DeletionTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    DeletionUserId = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PermissionSystemModules", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PermissionSystemModules_PermissionModules_PermissionModuleId",
+                        column: x => x.PermissionModuleId,
+                        principalTable: "PermissionModules",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PermissionSystemModules_PermissionSystems_PermissionSystemId",
+                        column: x => x.PermissionSystemId,
+                        principalTable: "PermissionSystems",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PermissionSystemModuleOperations",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PermissionSystemModuleId = table.Column<int>(type: "int", nullable: false),
+                    PermissionOperationId = table.Column<int>(type: "int", nullable: false),
+                    Enabled = table.Column<bool>(type: "bit", nullable: false),
+                    Guid = table.Column<string>(type: "nvarchar(45)", maxLength: 45, nullable: false),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false),
+                    CreationTime = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    CreationUserId = table.Column<int>(type: "int", nullable: true),
+                    UpdateTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    UpdateUserId = table.Column<int>(type: "int", nullable: true),
+                    DeletionTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    DeletionUserId = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PermissionSystemModuleOperations", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PermissionSystemModuleOperations_PermissionOperations_PermissionOperationId",
+                        column: x => x.PermissionOperationId,
+                        principalTable: "PermissionOperations",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PermissionSystemModuleOperations_PermissionSystemModules_PermissionSystemModuleId",
+                        column: x => x.PermissionSystemModuleId,
+                        principalTable: "PermissionSystemModules",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RolePermissionSystemModuleOperations",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    RoleId = table.Column<int>(type: "int", nullable: false),
+                    PermissionSystemModuleOperationId = table.Column<int>(type: "int", nullable: false),
+                    Active = table.Column<bool>(type: "bit", nullable: false),
+                    Guid = table.Column<string>(type: "nvarchar(45)", maxLength: 45, nullable: false),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false),
+                    CreationTime = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    CreationUserId = table.Column<int>(type: "int", nullable: true),
+                    UpdateTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    UpdateUserId = table.Column<int>(type: "int", nullable: true),
+                    DeletionTime = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    DeletionUserId = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RolePermissionSystemModuleOperations", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RolePermissionSystemModuleOperations_PermissionSystemModuleOperations_PermissionSystemModuleOperationId",
+                        column: x => x.PermissionSystemModuleOperationId,
+                        principalTable: "PermissionSystemModuleOperations",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RolePermissionSystemModuleOperations_Roles_RoleId",
+                        column: x => x.RoleId,
+                        principalTable: "Roles",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Enabled",
+                table: "PermissionModules",
+                column: "Enabled",
+                filter: "[Enabled] = 1");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IsDeleted",
+                table: "PermissionModules",
+                column: "IsDeleted",
+                filter: "[IsDeleted] = 0");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IsDeleted_Name_Enabled",
+                table: "PermissionModules",
+                columns: new[] { "IsDeleted", "Name", "Enabled" },
+                filter: "[IsDeleted] = 0");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IsDeleted_Name",
+                table: "PermissionOperations",
+                columns: new[] { "IsDeleted", "Name" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IsDeleted_Enabled_Guid",
+                table: "PermissionSystemModuleOperations",
+                columns: new[] { "IsDeleted", "Enabled", "Guid" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PermissionSystemModuleOperations_PermissionOperationId",
+                table: "PermissionSystemModuleOperations",
+                column: "PermissionOperationId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PermissionSystemModuleOperations_PermissionSystemModuleId",
+                table: "PermissionSystemModuleOperations",
+                column: "PermissionSystemModuleId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PermissionSystemModules_PermissionModuleId",
+                table: "PermissionSystemModules",
+                column: "PermissionModuleId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PermissionSystemModules_PermissionSystemId",
+                table: "PermissionSystemModules",
+                column: "PermissionSystemId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Enabled",
+                table: "PermissionSystems",
+                column: "Enabled",
+                filter: "[Enabled] = 1");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IsDeleted",
+                table: "PermissionSystems",
+                column: "IsDeleted",
+                filter: "[IsDeleted] = 0");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IsDeleted_Name_Enabled",
+                table: "PermissionSystems",
+                columns: new[] { "IsDeleted", "Name", "Enabled" },
+                filter: "[IsDeleted] = 0");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RolePermissionSystemModuleOperations_PermissionSystemModuleOperationId",
+                table: "RolePermissionSystemModuleOperations",
+                column: "PermissionSystemModuleOperationId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RolePermissionSystemModuleOperations_RoleId",
+                table: "RolePermissionSystemModuleOperations",
+                column: "RoleId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "RolePermissionSystemModuleOperations");
+
+            migrationBuilder.DropTable(
+                name: "PermissionSystemModuleOperations");
+
+            migrationBuilder.DropTable(
+                name: "PermissionOperations");
+
+            migrationBuilder.DropTable(
+                name: "PermissionSystemModules");
+
+            migrationBuilder.DropTable(
+                name: "PermissionModules");
+
+            migrationBuilder.DropTable(
+                name: "PermissionSystems");
+        }
+    }
+}
diff --git a/MainProject/Migrations/SqlServerContextModelSnapshot.cs b/MainProject/Migrations/SqlServerContextModelSnapshot.cs
index 293a846..d32f3cb 100644
--- a/MainProject/Migrations/SqlServerContextModelSnapshot.cs
+++ b/MainProject/Migrations/SqlServerContextModelSnapshot.cs
@@ -22,6 +22,270 @@ namespace MainProject.Migrations
 
             SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
 
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionModule", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex(new[] { "Enabled" }, "IX_Enabled")
+                        .HasFilter("[Enabled] = 1");
+
+                    b.HasIndex(new[] { "IsDeleted" }, "IX_IsDeleted")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.HasIndex(new[] { "IsDeleted", "Name", "Enabled" }, "IX_IsDeleted_Name_Enabled")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.ToTable("PermissionModules");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionOperation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex(new[] { "IsDeleted", "Name" }, "IX_IsDeleted_Name");
+
+                    b.ToTable("PermissionOperations");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex(new[] { "Enabled" }, "IX_Enabled")
+                        .HasFilter("[Enabled] = 1");
+
+                    b.HasIndex(new[] { "IsDeleted" }, "IX_IsDeleted")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.HasIndex(new[] { "IsDeleted", "Name", "Enabled" }, "IX_IsDeleted_Name_Enabled")
+                        .HasFilter("[IsDeleted] = 0");
+
+                    b.ToTable("PermissionSystems");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModule", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("PermissionModuleId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PermissionSystemId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PermissionModuleId");
+
+                    b.HasIndex("PermissionSystemId");
+
+                    b.ToTable("PermissionSystemModules");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModuleOperation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("PermissionOperationId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PermissionSystemModuleId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PermissionOperationId");
+
+                    b.HasIndex("PermissionSystemModuleId");
+
+                    b.HasIndex(new[] { "IsDeleted", "Enabled", "Guid" }, "IX_IsDeleted_Enabled_Guid");
+
+                    b.ToTable("PermissionSystemModuleOperations");
+                });
+
             modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.Role", b =>
                 {
                     b.Property<int>("Id")
@@ -72,6 +336,58 @@ namespace MainProject.Migrations
                     b.ToTable("Roles");
                 });
 
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.RolePermissionSystemModuleOperation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("Active")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("CreationUserId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("DeletionTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DeletionUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Guid")
+                        .IsRequired()
+                        .HasMaxLength(45)
+                        .HasColumnType("nvarchar(45)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("PermissionSystemModuleOperationId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RoleId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("UpdateUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PermissionSystemModuleOperationId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("RolePermissionSystemModuleOperations");
+                });
+
             modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.User", b =>
                 {
                     b.Property<int>("Id")
@@ -151,6 +467,63 @@ namespace MainProject.Migrations
                     b.ToTable("Users");
                 });
 
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModule", b =>
+                {
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionModule", "PermissionModule")
+                        .WithMany()
+                        .HasForeignKey("PermissionModuleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystem", "PermissionSystem")
+                        .WithMany()
+                        .HasForeignKey("PermissionSystemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("PermissionModule");
+
+                    b.Navigation("PermissionSystem");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModuleOperation", b =>
+                {
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionOperation", "PermissionOperation")
+                        .WithMany()
+                        .HasForeignKey("PermissionOperationId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModule", "PermissionSystemModule")
+                        .WithMany()
+                        .HasForeignKey("PermissionSystemModuleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("PermissionOperation");
+
+                    b.Navigation("PermissionSystemModule");
+                });
+
+            modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.RolePermissionSystemModuleOperation", b =>
+                {
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.PermissionSystemModuleOperation", "PermissionSystemModuleOperation")
+                        .WithMany()
+                        .HasForeignKey("PermissionSystemModuleOperationId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("PermissionSystemModuleOperation");
+
+                    b.Navigation("Role");
+                });
+
             modelBuilder.Entity("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.User", b =>
                 {
                     b.HasOne("BasicDotnetTemplate.MainProject.Models.Database.SqlServer.Role", "Role")
diff --git a/MainProject/Models/Database/SqlServer/PermissionModule.cs b/MainProject/Models/Database/SqlServer/PermissionModule.cs
new file mode 100644
index 0000000..dba3a92
--- /dev/null
+++ b/MainProject/Models/Database/SqlServer/PermissionModule.cs
@@ -0,0 +1,11 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BasicDotnetTemplate.MainProject.Models.Database.SqlServer
+{
+    public class PermissionModule : Base
+    {
+        [MaxLength(100)]
+        public required string Name { get; set; }
+        public required bool Enabled { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MainProject/Models/Database/SqlServer/PermissionOperation.cs b/MainProject/Models/Database/SqlServer/PermissionOperation.cs
new file mode 100644
index 0000000..4080277
--- /dev/null
+++ b/MainProject/Models/Database/SqlServer/PermissionOperation.cs
@@ -0,0 +1,10 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BasicDotnetTemplate.MainProject.Models.Database.SqlServer
+{
+    public class PermissionOperation : Base
+    {
+        [MaxLength(100)]
+        public required string Name { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MainProject/Models/Database/SqlServer/PermissionSystem.cs b/MainProject/Models/Database/SqlServer/PermissionSystem.cs
new file mode 100644
index 0000000..7b28d33
--- /dev/null
+++ b/MainProject/Models/Database/SqlServer/PermissionSystem.cs
@@ -0,0 +1,11 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BasicDotnetTemplate.MainProject.Models.Database.SqlServer
+{
+    public class PermissionSystem : Base
+    {
+        [MaxLength(100)]
+        public required string Name { get; set; }
+        public required bool Enabled { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MainProject/Models/Database/SqlServer/PermissionSystemModule.cs b/MainProject/Models/Database/SqlServer/PermissionSystemModule.cs
new file mode 100644
index 0000000..84eef1f
--- /dev/null
+++ b/MainProject/Models/Database/SqlServer/PermissionSystemModule.cs
@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BasicDotnetTemplate.MainProject.Models.Database.SqlServer
+{
+    public class PermissionSystemModule : Base
+    {
+        public required int PermissionSystemId { get; set; }
+        public required int PermissionModuleId { get; set; }
+        public required PermissionSystem PermissionSystem { get; set; }
+        public required PermissionModule PermissionModule { get; set; }
+        public required bool Enabled { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MainProject/Models/Database/SqlServer/PermissionSystemModuleOperation.cs b/MainProject/Models/Database/SqlServer/PermissionSystemModuleOperation.cs
new file mode 100644
index 0000000..deb5d8b
--- /dev/null
+++ b/MainProject/Models/Database/SqlServer/PermissionSystemModuleOperation.cs
@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BasicDotnetTemplate.MainProject.Models.Database.SqlServer
+{
+    public class PermissionSystemModuleOperation : Base
+    {
+        public required int PermissionSystemModuleId { get; set; }
+        public required int PermissionOperationId { get; set; }
+        public required bool Enabled { get; set; }
+        public required PermissionSystemModule PermissionSystemModule { get; set; }
+        public required PermissionOperation PermissionOperation { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MainProject/Models/Database/SqlServer/RolePermissionSystemModuleOperation.cs b/MainProject/Models/Database/SqlServer/RolePermissionSystemModuleOperation.cs
new file mode 100644
index 0000000..d42be00
--- /dev/null
+++ b/MainProject/Models/Database/SqlServer/RolePermissionSystemModuleOperation.cs
@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace BasicDotnetTemplate.MainProject.Models.Database.SqlServer
+{
+    public class RolePermissionSystemModuleOperation : Base
+    {
+        public required int RoleId { get; set; }
+        public required int PermissionSystemModuleOperationId { get; set; }
+        public required bool Active { get; set; }
+        public required Role Role { get; set; }
+        public required PermissionSystemModuleOperation PermissionSystemModuleOperation { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/MainProject/Services/PermissionService.cs b/MainProject/Services/PermissionService.cs
new file mode 100644
index 0000000..ee7449a
--- /dev/null
+++ b/MainProject/Services/PermissionService.cs
@@ -0,0 +1,637 @@
+
+using System.Collections;
+using BasicDotnetTemplate.MainProject.Core.Database;
+using BasicDotnetTemplate.MainProject.Models.Api.Common.Exceptions;
+using BasicDotnetTemplate.MainProject.Models.Database.SqlServer;
+using Microsoft.EntityFrameworkCore;
+
+namespace BasicDotnetTemplate.MainProject.Services;
+
+public interface IPermissionService
+{
+    Task<PermissionSystem?> GetPermissionSystemByGuidAsync(string guid);
+    Task<PermissionSystem?> GetPermissionSystemByNameAsync(string name);
+    Task<bool?> HandleEnabledPermissionSystem(PermissionSystem permission, bool enabled);
+    Task<PermissionSystem?> CreatePermissionSystemAsync(string name, bool enabled);
+    Task<bool?> DeletePermissionSystemAsync(PermissionSystem permission);
+
+
+    Task<PermissionModule?> GetPermissionModuleByGuidAsync(string guid);
+    Task<PermissionModule?> GetPermissionModuleByNameAsync(string name);
+    Task<bool?> HandleEnabledPermissionModuleAsync(PermissionModule permission, bool enabled);
+    Task<PermissionModule?> CreatePermissionModuleAsync(string name, bool enabled);
+    Task<bool?> DeletePermissionModuleAsync(PermissionModule permission);
+
+
+    Task<PermissionOperation?> GetPermissionOperationByGuidAsync(string guid);
+    Task<PermissionOperation?> GetPermissionOperationByNameAsync(string name);
+    Task<PermissionOperation?> CreatePermissionOperationAsync(string name);
+    Task<bool?> DeletePermissionOperationAsync(PermissionOperation permission);
+
+
+    Task<PermissionSystemModule?> GetPermissionSystemModuleByGuidAsync(string guid);
+    Task<bool?> HandleEnabledPermissionSystemModuleAsync(PermissionSystemModule permission, bool enabled);
+    Task<PermissionSystemModule?> CreatePermissionSystemModuleAsync(
+        PermissionSystem permissionSystem, 
+        PermissionModule permissionModule,
+        bool enabled
+    );
+    Task<bool?> DeletePermissionSystemModuleAsync(PermissionSystemModule permission);
+
+
+    Task<PermissionSystemModuleOperation?> GetPermissionSystemModuleOperationByGuidAsync(string guid);
+    Task<bool?> HandleEnabledPermissionSystemModuleOperationAsync(PermissionSystemModuleOperation permission, bool enabled);
+    Task<PermissionSystemModuleOperation?> CreatePermissionSystemModuleOperationAsync(
+        PermissionSystemModule permissionSystemModule, 
+        PermissionOperation permissionOperation,
+        bool enabled
+    );
+    Task<bool?> DeletePermissionSystemModuleOperationAsync(PermissionSystemModuleOperation permission);
+
+
+    Task<RolePermissionSystemModuleOperation?> GetRolePermissionSystemModuleOperationByGuidAsync(string guid);
+    Task<bool?> HandleEnabledRolePermissionSystemModuleOperationAsync(RolePermissionSystemModuleOperation permission, bool active);
+    Task<RolePermissionSystemModuleOperation?> CreateRolePermissionSystemModuleOperationAsync(
+        Role role, 
+        PermissionSystemModuleOperation permissionSystemModuleOperation,
+        bool enabled
+    );
+    Task<bool?> DeleteRolePermissionSystemModuleOperationAsync(RolePermissionSystemModuleOperation permission);
+}
+
+public class PermissionService : BaseService, IPermissionService
+{
+    private readonly NLog.Logger Logger = NLog.LogManager.GetCurrentClassLogger();
+    public PermissionService(
+        IHttpContextAccessor httpContextAccessor,
+        IConfiguration configuration,
+        SqlServerContext sqlServerContext
+    ) : base(httpContextAccessor, configuration, sqlServerContext)
+    { }
+
+    private IQueryable<PermissionSystem> GetPermissionSystemsQueryable()
+    {
+        return this._sqlServerContext.PermissionSystems
+            .Where(x => !x.IsDeleted);
+    }
+
+    private IQueryable<PermissionModule> GetPermissionModulesQueryable()
+    {
+        return this._sqlServerContext.PermissionModules
+            .Where(x => !x.IsDeleted);
+    }
+
+    private IQueryable<PermissionOperation> GetPermissionOperationsQueryable()
+    {
+        return this._sqlServerContext.PermissionOperations
+            .Where(x => !x.IsDeleted);
+    }
+
+    private IQueryable<PermissionSystemModule> GetPermissionSystemModulesQueryable()
+    {
+        return this._sqlServerContext.PermissionSystemModules
+            .Where(x => !x.IsDeleted);
+    }
+
+    private IQueryable<PermissionSystemModuleOperation> GetPermissionSystemModuleOperationsQueryable()
+    {
+        return this._sqlServerContext.PermissionSystemModuleOperations
+            .Include(x => x.PermissionOperation)
+            .Include(x => x.PermissionSystemModule)
+                .ThenInclude(x => x.PermissionSystem)
+            .Where(x => !x.IsDeleted);
+    }
+
+    private IQueryable<RolePermissionSystemModuleOperation> GetRolePermissionSystemModuleOperationsQueryable()
+    {
+        return this._sqlServerContext.RolePermissionSystemModuleOperations
+            .Include(x => x.Role)
+            .Include(x => x.PermissionSystemModuleOperation)
+                .ThenInclude(x => x.PermissionSystemModule)
+                    .ThenInclude(x => x.PermissionSystem)
+            .Include(x => x.PermissionSystemModuleOperation)
+                .ThenInclude(x => x.PermissionSystemModule)
+                    .ThenInclude(x => x.PermissionModule)
+            .Include(x => x.PermissionSystemModuleOperation)
+                .ThenInclude(x => x.PermissionOperation)
+            .Where(x => !x.IsDeleted);
+    }
+
+    private PermissionOperation CreatePermissionOperationData(string name)
+    {
+        PermissionOperation permission = new()
+        {
+            CreationTime = DateTime.UtcNow,
+            Name = name,
+            IsDeleted = false,
+            Guid = Guid.NewGuid().ToString()
+        };
+
+        return permission;
+    }
+
+    private PermissionSystem CreatePermissionSystemData(string name, bool enabled)
+    {
+        PermissionSystem permission = new()
+        {
+            CreationTime = DateTime.UtcNow,
+            Name = name,
+            Enabled = enabled,
+            IsDeleted = false,
+            Guid = Guid.NewGuid().ToString()
+        };
+
+        return permission;
+    }
+
+    private PermissionModule CreatePermissionModuleData(string name, bool enabled)
+    {
+        PermissionModule permission = new()
+        {
+            CreationTime = DateTime.UtcNow,
+            Name = name,
+            Enabled = enabled,
+            IsDeleted = false,
+            Guid = Guid.NewGuid().ToString()
+        };
+
+        return permission;
+    }
+
+    private PermissionSystemModule CreatePermissionSystemModuleData(
+        PermissionSystem permissionSystem,
+        PermissionModule permissionModule,
+        bool enabled
+    )
+    {
+        PermissionSystemModule permission = new()
+        {
+            CreationTime = DateTime.UtcNow,
+            PermissionSystemId = permissionSystem.Id,
+            PermissionSystem = permissionSystem,
+            PermissionModuleId = permissionModule.Id,
+            PermissionModule = permissionModule,
+            Enabled = enabled,
+            IsDeleted = false,
+            Guid = Guid.NewGuid().ToString()
+        };
+
+        return permission;
+    }
+
+    private PermissionSystemModuleOperation CreatePermissionSystemModuleOperationData(
+        PermissionSystemModule permissionSystemModule,
+        PermissionOperation permissionOperation,
+        bool enabled
+    )
+    {
+        PermissionSystemModuleOperation permission = new()
+        {
+            CreationTime = DateTime.UtcNow,
+            PermissionOperationId = permissionOperation.Id,
+            PermissionOperation = permissionOperation,
+            PermissionSystemModuleId = permissionSystemModule.Id,
+            PermissionSystemModule = permissionSystemModule,
+            Enabled = enabled,
+            IsDeleted = false,
+            Guid = Guid.NewGuid().ToString()
+        };
+
+        return permission;
+    }
+
+    private RolePermissionSystemModuleOperation CreateRolePermissionSystemModuleOperationData(
+        Role role, 
+        PermissionSystemModuleOperation permissionModuleOperation, 
+        bool active
+    )
+    {
+        RolePermissionSystemModuleOperation permission = new()
+        {
+            CreationTime = DateTime.UtcNow,
+            PermissionSystemModuleOperationId = permissionModuleOperation.Id,
+            PermissionSystemModuleOperation = permissionModuleOperation,
+            RoleId = role.Id,
+            Role = role,
+            Active = active,
+            IsDeleted = false,
+            Guid = Guid.NewGuid().ToString()
+        };
+
+        return permission;
+    }
+
+#region "PermissionSystem"
+
+    public async Task<PermissionSystem?> GetPermissionSystemByGuidAsync(string guid)
+    {
+        return await this.GetPermissionSystemsQueryable().Where(x => x.Guid == guid).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionSystem?> GetPermissionSystemByNameAsync(string name)
+    {
+        return await this.GetPermissionSystemsQueryable().Where(x => x.Name == name).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionSystem?> CreatePermissionSystemAsync(string name, bool enabled)
+    {
+        PermissionSystem? permission;
+
+        using var transaction = await _sqlServerContext.Database.BeginTransactionAsync();
+
+        try
+        {
+            var tempPermission = CreatePermissionSystemData(name, enabled);
+            await _sqlServerContext.PermissionSystems.AddAsync(tempPermission);
+            await _sqlServerContext.SaveChangesAsync();
+            await transaction.CommitAsync();
+            permission = tempPermission;
+        }
+        catch (Exception exception)
+        {
+            await transaction.RollbackAsync();
+            Logger.Error(exception, $"[PermissionService][CreatePermissionSystemAsync]");
+            throw new CreateException($"An error occurred while creating the permission for transaction ID {transaction.TransactionId}.", exception);
+        }
+        return permission;
+    }
+
+    public async Task<bool?> HandleEnabledPermissionSystem(PermissionSystem permission, bool enabled)
+    {
+        bool? updated = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.Enabled = enabled;
+            permission.UpdateTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            updated = true;
+        }
+
+        return updated;
+    }
+
+    public async Task<bool?> DeletePermissionSystemAsync(PermissionSystem permission)
+    {
+        bool? deleted = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.IsDeleted = true;
+            permission.DeletionTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            deleted = true;
+        }
+
+        return deleted;
+    }
+
+#endregion
+
+
+#region "PermissionModule"
+
+
+    public async Task<PermissionModule?> GetPermissionModuleByGuidAsync(string guid)
+    {
+        return await this.GetPermissionModulesQueryable().Where(x => x.Guid == guid).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionModule?> GetPermissionModuleByNameAsync(string name)
+    {
+        return await this.GetPermissionModulesQueryable().Where(x => x.Name == name).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionModule?> CreatePermissionModuleAsync(string name, bool enabled)
+    {
+        PermissionModule? permission;
+
+        using var transaction = await _sqlServerContext.Database.BeginTransactionAsync();
+
+        try
+        {
+            var tempPermission = CreatePermissionModuleData(name, enabled);
+            await _sqlServerContext.PermissionModules.AddAsync(tempPermission);
+            await _sqlServerContext.SaveChangesAsync();
+            await transaction.CommitAsync();
+            permission = tempPermission;
+        }
+        catch (Exception exception)
+        {
+            await transaction.RollbackAsync();
+            Logger.Error(exception, $"[PermissionService][CreatePermissionModuleAsync]");
+            throw new CreateException($"An error occurred while creating the permission for transaction ID {transaction.TransactionId}.", exception);
+        }
+        return permission;
+    }
+
+    public async Task<bool?> HandleEnabledPermissionModuleAsync(PermissionModule permission, bool enabled)
+    {
+        bool? updated = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.Enabled = enabled;
+            permission.UpdateTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            updated = true;
+        }
+
+        return updated;
+    }
+
+    public async Task<bool?> DeletePermissionModuleAsync(PermissionModule permission)
+    {
+        bool? deleted = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.IsDeleted = true;
+            permission.DeletionTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            deleted = true;
+        }
+
+        return deleted;
+    }
+
+#endregion
+
+
+#region "PermissionOperation"
+
+    public async Task<PermissionOperation?> GetPermissionOperationByGuidAsync(string guid)
+    {
+        return await this.GetPermissionOperationsQueryable().Where(x => x.Guid == guid).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionOperation?> GetPermissionOperationByNameAsync(string name)
+    {
+        return await this.GetPermissionOperationsQueryable().Where(x => x.Name == name).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionOperation?> CreatePermissionOperationAsync(string name)
+    {
+        PermissionOperation? permission;
+
+        using var transaction = await _sqlServerContext.Database.BeginTransactionAsync();
+
+        try
+        {
+            var tempPermission = CreatePermissionOperationData(name);
+            await _sqlServerContext.PermissionOperations.AddAsync(tempPermission);
+            await _sqlServerContext.SaveChangesAsync();
+            await transaction.CommitAsync();
+            permission = tempPermission;
+        }
+        catch (Exception exception)
+        {
+            await transaction.RollbackAsync();
+            Logger.Error(exception, $"[PermissionService][CreatePermissionOperationAsync]");
+            throw new CreateException($"An error occurred while creating the permission for transaction ID {transaction.TransactionId}.", exception);
+        }
+        return permission;
+    }
+
+    public async Task<bool?> DeletePermissionOperationAsync(PermissionOperation permission)
+    {
+        bool? deleted = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.IsDeleted = true;
+            permission.DeletionTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            deleted = true;
+        }
+
+        return deleted;
+    }
+
+#endregion
+
+
+#region "PermissionSystemModule"
+
+    public async Task<PermissionSystemModule?> GetPermissionSystemModuleByGuidAsync(string guid)
+    {
+        return await this.GetPermissionSystemModulesQueryable().Where(x => x.Guid == guid).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionSystemModule?> CreatePermissionSystemModuleAsync(
+        PermissionSystem permissionSystem, 
+        PermissionModule permissionModule,
+        bool enabled
+    )
+    {
+        PermissionSystemModule? permission;
+
+        using var transaction = await _sqlServerContext.Database.BeginTransactionAsync();
+
+        try
+        {
+            var tempPermission = CreatePermissionSystemModuleData(permissionSystem, permissionModule, enabled);
+            await _sqlServerContext.PermissionSystemModules.AddAsync(tempPermission);
+            await _sqlServerContext.SaveChangesAsync();
+            await transaction.CommitAsync();
+            permission = tempPermission;
+        }
+        catch (Exception exception)
+        {
+            await transaction.RollbackAsync();
+            Logger.Error(exception, $"[PermissionService][CreatePermissionSystemModuleAsync]");
+            throw new CreateException($"An error occurred while creating the permission for transaction ID {transaction.TransactionId}.", exception);
+        }
+        return permission;
+    }
+
+    public async Task<bool?> HandleEnabledPermissionSystemModuleAsync(PermissionSystemModule permission, bool enabled)
+    {
+        bool? updated = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.Enabled = enabled;
+            permission.UpdateTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            updated = true;
+        }
+
+        return updated;
+    }
+
+    public async Task<bool?> DeletePermissionSystemModuleAsync(PermissionSystemModule permission)
+    {
+        bool? deleted = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.IsDeleted = true;
+            permission.DeletionTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            deleted = true;
+        }
+
+        return deleted;
+    }
+
+#endregion
+
+
+#region "PermissionSystemModuleOperation"
+
+    public async Task<PermissionSystemModuleOperation?> GetPermissionSystemModuleOperationByGuidAsync(string guid)
+    {
+        return await this.GetPermissionSystemModuleOperationsQueryable().Where(x => x.Guid == guid).FirstOrDefaultAsync();
+    }
+
+    public async Task<PermissionSystemModuleOperation?> CreatePermissionSystemModuleOperationAsync(
+        PermissionSystemModule permissionSystemModule, 
+        PermissionOperation permissionOperation,
+        bool enabled
+    )
+    {
+        PermissionSystemModuleOperation? permission;
+
+        using var transaction = await _sqlServerContext.Database.BeginTransactionAsync();
+
+        try
+        {
+            var tempPermission = CreatePermissionSystemModuleOperationData(permissionSystemModule, permissionOperation, enabled);
+            await _sqlServerContext.PermissionSystemModuleOperations.AddAsync(tempPermission);
+            await _sqlServerContext.SaveChangesAsync();
+            await transaction.CommitAsync();
+            permission = tempPermission;
+        }
+        catch (Exception exception)
+        {
+            await transaction.RollbackAsync();
+            Logger.Error(exception, $"[PermissionService][CreatePermissionSystemModuleOperationAsync]");
+            throw new CreateException($"An error occurred while creating the permission for transaction ID {transaction.TransactionId}.", exception);
+        }
+        return permission;
+    }
+
+    public async Task<bool?> HandleEnabledPermissionSystemModuleOperationAsync(PermissionSystemModuleOperation permission, bool enabled)
+    {
+        bool? updated = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.Enabled = enabled;
+            permission.UpdateTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            updated = true;
+        }
+
+        return updated;
+    }
+
+    public async Task<bool?> DeletePermissionSystemModuleOperationAsync(PermissionSystemModuleOperation permission)
+    {
+        bool? deleted = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.IsDeleted = true;
+            permission.DeletionTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            deleted = true;
+        }
+
+        return deleted;
+    }
+
+#endregion
+
+
+#region "RolePermissionSystemModuleOperation"
+
+    public async Task<RolePermissionSystemModuleOperation?> GetRolePermissionSystemModuleOperationByGuidAsync(string guid)
+    {
+        return await this.GetRolePermissionSystemModuleOperationsQueryable().Where(x => x.Guid == guid).FirstOrDefaultAsync();
+    }
+
+    public async Task<RolePermissionSystemModuleOperation?> CreateRolePermissionSystemModuleOperationAsync(
+        Role role, 
+        PermissionSystemModuleOperation permissionSystemModuleOperation,
+        bool enabled
+    )
+    {
+        RolePermissionSystemModuleOperation? permission;
+
+        using var transaction = await _sqlServerContext.Database.BeginTransactionAsync();
+
+        try
+        {
+            var tempPermission = CreateRolePermissionSystemModuleOperationData(role, permissionSystemModuleOperation, enabled);
+            await _sqlServerContext.RolePermissionSystemModuleOperations.AddAsync(tempPermission);
+            await _sqlServerContext.SaveChangesAsync();
+            await transaction.CommitAsync();
+            permission = tempPermission;
+        }
+        catch (Exception exception)
+        {
+            await transaction.RollbackAsync();
+            Logger.Error(exception, $"[PermissionService][RolePermissionSystemModuleOperation]");
+            throw new CreateException($"An error occurred while creating the permission for transaction ID {transaction.TransactionId}.", exception);
+        }
+        return permission;
+    }
+
+    public async Task<bool?> HandleEnabledRolePermissionSystemModuleOperationAsync(RolePermissionSystemModuleOperation permission, bool active)
+    {
+        bool? updated = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.Active = active;
+            permission.UpdateTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            updated = true;
+        }
+
+        return updated;
+    }
+
+    public async Task<bool?> DeleteRolePermissionSystemModuleOperationAsync(RolePermissionSystemModuleOperation permission)
+    {
+        bool? deleted = false;
+
+        using (var transaction = _sqlServerContext.Database.BeginTransactionAsync())
+        {
+            permission.IsDeleted = true;
+            permission.DeletionTime = DateTime.UtcNow;
+            _sqlServerContext.Update(permission);
+            await _sqlServerContext.SaveChangesAsync();
+            await (await transaction).CommitAsync();
+            deleted = true;
+        }
+
+        return deleted;
+    }
+
+#endregion
+
+}
+