iot/projects/Infrastructure/Areas/Admin/Controllers/ConfigurationController.cs

using System;
using System.Linq;
using Infrastructure.Configuration;
using Infrastructure.Extensions;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;

namespace Infrastructure.Web.Mvc
{
    [Area("Admin")]
    public class ConfigurationController : BaseController
    {
        private readonly IConfigurationRoot _configuration;

        public ConfigurationController(IConfigurationRoot configuration)
        {
            this._configuration = configuration;
        }

        [Authorize(Roles = "Read-EFConfigurationValue")]
        public IActionResult Index()
        {
            using var db = GetContext();
            var model = db.Values.ToList();
            return View(model);
        }

        [Authorize(Roles = "Edit-EFConfigurationValue")]
        public IActionResult Add()
        {
            return View(new EditEFConfigurationValueModel());
        }

        [Authorize(Roles = "Edit-EFConfigurationValue")]
        [HttpPost]
        [ValidateAntiForgeryToken]
        public IActionResult Add(EditEFConfigurationValueModel model)
        {
            if (ModelState.IsValid)
            {
                using var db = GetContext();
                try
                {
                    var entity = new EFConfigurationValue();
                    entity.From(model);
                    db.Values.Add(entity);
                    if (db.SaveChanges() > 0)
                    {
                        this._configuration.Reload();
                    }
                    return RedirectToAction("Index");
                }
                catch (DbUpdateException ex)
                {
                    ex.PrintStack();
                    ModelState.AddModelError("", ex.Message);
                }
            }
            return View(model);
        }

        [Authorize(Roles = "Edit-EFConfigurationValue")]
        public IActionResult Edit(string id)
        {
            using var db = GetContext();
            var entity = db.Values.FirstOrDefault(o => o.Id == id);
            var model = entity.To<EditEFConfigurationValueModel>();
            return View(model);
        }

        [Authorize(Roles = "Edit-EFConfigurationValue")]
        [HttpPost]
        [ValidateAntiForgeryToken]
        public IActionResult Edit(EditEFConfigurationValueModel model)
        {
            if (ModelState.IsValid)
            {
                using var db = GetContext();
                try
                {
                    var entity = db.Values.FirstOrDefault(o => o.Id == model.Id);
                    entity.From(model);
                    if (db.SaveChanges() > 0)
                    {
                        this._configuration.Reload();
                    }
                    return RedirectToAction("Index");
                }
                catch (DbUpdateException ex)
                {
                    ex.PrintStack();
                    ModelState.AddModelError("", ex.Message);
                }
            }
            return View(model);
        }

        private static EFConfigurationContext GetContext()
        {
            var builder = new DbContextOptionsBuilder<EFConfigurationContext>().UseSqlite("Data Source = configuration.db");
            return new EFConfigurationContext(builder.Options);
        }
    }
}