ASP.NET-MVC-Study/BlazorApp/AspNetCoreMVC/Models/Models.cs

using System.ComponentModel.DataAnnotations;

namespace AspNetCoreMVC.Models
{
    public class TestModel
    {
        [Required]
        public int Id { get; set; }
        [Required]
        [StringLength(20)]
        public string Name { get; set; }
    }

    public class TestViewModel
    {
        public List<string> Names { get; set; }
    }

    public class SampleViewModel
    {
        [Required]
        [Display(Name = "Product ID to purchase")]
        public int Id { get; set; }
        [Range(1, 10, ErrorMessage = "Value should be in 1 ~ 10!")]
        [Display(Name = "Count")]
        public int Count { get; set; }
    }

    public class FileLogSetting
    {
        private string _filename;
        public FileLogSetting(string filename)
        {
            _filename = filename;
        }
    }

    public class FileLogger : IBaseLogger
    {
        private FileLogSetting _setting;
        public FileLogger(FileLogSetting settings)
        {
            _setting = settings;
        }

        public void Log(string log)
        {
            Console.WriteLine($"FileLog Ok {log}");
        }
    }

    public class DbLogger : IBaseLogger
    {
        public DbLogger()
        {
            
        }

        public void Log(string log)
        {
            Console.WriteLine($"DBLog Ok {log}");
        }
    }

    public interface IBaseLogger
    {
        void Log(string log);
    }
}