Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Template.BL.Interface;
using Template.BL.Mapper;
using Template.BL.Repository;
using Tamplate.DAL.Database;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Tamplate.DAL.Enitity;
using Newtonsoft.Json.Serialization;
using Microsoft.AspNetCore.Mvc.Razor;
using Template.Languages;
using System.Globalization;
using Microsoft.AspNetCore.Localization;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Http;
using Tamplate.DAL.Extend;
using Microsoft.AspNetCore.Identity;

namespace Template
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllersWithViews()
                .AddViewLocalization(LanguageViewLocationExpanderFormat.Suffix)
                .AddDataAnnotationsLocalization(opt =>
                {
                      opt.DataAnnotationLocalizerProvider = (type, factory) =>
                      factory.Create(typeof(SharedResource));
                })
                .AddNewtonsoftJson(opt => opt.SerializerSettings.ContractResolver = new DefaultContractResolver());

            services.AddDbContextPool<TemplateContext>(opts =>
            opts.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")));

            services.AddScoped(typeof(IGeneric<>), typeof(GenericRep<>));

            services.AddScoped<IDepartmentRep, DepartmentRep>();

            services.AddScoped<IEmployeeRep, EmployeeRep>();

            services.AddAutoMapper(x => x.AddProfile(new DomainProfile()));

            services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
            .AddCookie(CookieAuthenticationDefaults.AuthenticationScheme,
               options =>
               {
                   options.LoginPath = new PathString("/Account/SignIn");
                   options.AccessDeniedPath = new PathString("/Account/SignIn");
               });

            services.AddIdentity<AppUsers, IdentityRole>(options =>
            {
                // Default Password settings.
                options.Password.RequireDigit = true;
                options.Password.RequireLowercase = true;
                options.Password.RequireNonAlphanumeric = true;
                options.Password.RequireUppercase = true;
                options.Password.RequiredLength = 6;
                options.Password.RequiredUniqueChars = 0;
            }).AddEntityFrameworkStores<TemplateContext>()
            .AddTokenProvider<DataProtectorTokenProvider<AppUsers>>(TokenOptions.DefaultProvider);
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }

            var supportedCultures = new[] {
                 new CultureInfo("ar-EG"),
                 new CultureInfo("en-US"),
             };

            app.UseRequestLocalization(new RequestLocalizationOptions
            {
                DefaultRequestCulture = new RequestCulture("en-US"),
                SupportedCultures = supportedCultures,
                SupportedUICultures = supportedCultures,
                RequestCultureProviders = new List<IRequestCultureProvider>
                {
                    new QueryStringRequestCultureProvider(),
                    new CookieRequestCultureProvider()
                }
            });

            app.UseStaticFiles();

            app.UseRouting();

            app.UseAuthentication();

            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                   name: "areas",
                   pattern: "{area:exists}/{controller=Home}/{action=Index}/{id?}"
                );
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Account}/{action=SignIn}/{id?}");
            });
        }
    }
}