public CourseVM CourseFullData()
        {
            var courseVM = new CourseVM();

            Console.WriteLine("Enter course Name");
            courseVM.Name = Console.ReadLine();
            Console.WriteLine("Enter course Description");
            courseVM.Description = Console.ReadLine();
            courseVM.Materials   = new List <MaterialVM>();
            courseVM.Skills      = new List <SkillVM>();

            bool infinity = true;

            while (infinity)
            {
                Console.WriteLine("1 - Add video material\n2 - Add book material\n3 - Add article material\n 4 - Select existing material\n5 - Finish adding materials");
                switch (Console.ReadLine())
                {
                case "1":
                    videoMaterialController.VideoCreate();
                    break;

                case "2":
                    bookMaterialController.BookCreate();
                    break;

                case "3":
                    articleMaterialController.ArticleCreate();
                    break;

                case "4":
                    Console.Clear();
                    Console.WriteLine("List existing materials");
                    materialController.MaterialList();
                    Console.WriteLine("\nEnter Id of existing material");
                    var Id = int.Parse(Console.ReadLine());

                    if (courseVM.Materials.Any(x => x.Id == Id))
                    {
                        Dye.Fail();
                        Console.WriteLine("Material already exists in course");
                        Console.ResetColor();
                    }
                    else
                    {
                        var materialVM = materialController.AddMaterialById(Id);

                        if (materialVM == null)
                        {
                            Dye.Fail();
                            Console.WriteLine("Invalid material Id");
                            Console.ResetColor();
                            break;
                        }

                        courseVM.Materials.Add(materialVM);
                        Dye.Succsess();
                        Console.WriteLine("Material added successfully");
                        Console.ResetColor();
                    }
                    break;

                case "5":
                    Dye.Succsess();
                    Console.WriteLine("Materials added successfully");
                    Console.ResetColor();
                    infinity = false;
                    break;

                default:
                    continue;
                }
            }

            infinity = true;
            while (infinity)
            {
                Console.WriteLine("1 - Add new skill\n2 - Select existing\n3 - Finish adding skills");

                switch (Console.ReadLine())
                {
                case "1":
                    var skill = skillController.SkillCreate();
                    Dye.Succsess();
                    Console.WriteLine("Skill created successfully, now you can add it to your course");
                    Console.ResetColor();
                    break;

                case "2":
                    Console.Clear();
                    Console.WriteLine("List existing skills: ");
                    skillController.SkillsList();
                    Console.WriteLine("\nEnter the name of existing skill");
                    var name = Console.ReadLine().ToLower();
                    if (courseVM.Skills.Any(x => x.Name.ToLower() == name.ToLower()))
                    {
                        Dye.Fail();
                        Console.WriteLine("Invalid name or Skill already exists in course");
                        Console.ResetColor();
                    }
                    else
                    {
                        var skillVM = skillController.AddSkillByName(name);
                        if (skillVM == null)
                        {
                            Dye.Fail();
                            Console.WriteLine("Invalid skill name");
                            Console.ResetColor();
                            break;
                        }
                        courseVM.Skills.Add(skillVM);
                        Dye.Succsess();
                        Console.WriteLine("Skill added successfully");
                        Console.ResetColor();
                    }
                    break;

                case "3":
                    Dye.Succsess();
                    Console.WriteLine("Skills added successfully");
                    Console.ResetColor();
                    infinity = false;
                    break;

                default:
                    continue;
                }
            }
            //Айдишник теста равен нулю
            var test       = testController.TestCreate();
            var mappedTest = testController.GetTestByName(test.Name);

            courseVM.Test   = mappedTest;
            courseVM.TestId = mappedTest.Id;

            return(courseVM);
        }