Program.cs

using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;
using Microsoft.OpenApi.Models;
using Serilog;
using System.Reflection;
using System.Text.Json.Serialization;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity.UI.Services;
using Microsoft.Extensions.Caching.Distributed;
using Microsoft.Extensions.Caching.StackExchangeRedis;
using Quartz;
using timely_backend;
using timely_backend.Jobs;
using timely_backend.Models;
using timely_backend.Models.Enum;
using timely_backend.Services;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddCors(options => {
    options.AddDefaultPolicy(
        policy => {
            policy.AllowAnyOrigin()
                .AllowAnyHeader()
                .AllowAnyMethod();
        });
});

// Add services to the container. Add ability to right convert strings to enums
builder.Services.AddControllers().AddJsonOptions(opts => {
    var enumConverter = new JsonStringEnumConverter();
    opts.JsonSerializerOptions.Converters.Add(enumConverter);
});

// Add Quartz Jobs
builder.Services.AddQuartz(q =>
{
    q.UseMicrosoftDependencyInjectionScopedJobFactory();
    // Just use the name of your job that you created in the Jobs folder.
    var jobKey = new JobKey("SetLessonsReadonlyJob");
    q.AddJob<SetLessonsReadonlyJob>(opts => opts.WithIdentity(jobKey));
    
    q.AddTrigger(opts => opts
        .ForJob(jobKey)
        .WithIdentity("SetLessonsReadonlyJob-trigger")
        //This Cron interval can be described as "run every 10 minutes" (when second is zero)
        .WithCronSchedule("* */10 * ? * *")
    );
});
builder.Services.AddQuartzHostedService(q => q.WaitForJobsToComplete = true);

// Connect DB
builder.Services.AddDbContext<ApplicationDbContext>();

// Add Services
builder.Services.AddSingleton<IAuthorizationMiddlewareResultHandler, LogoutCheckAuthorizationMiddlewareResultHandler>();
builder.Services.AddScoped<IAccountService, AccountService>();
builder.Services.AddScoped<IEmailSender, EmailSender>();
builder.Services.AddScoped<IAdminService, AdminService>();
builder.Services.AddScoped<IAdminPanelService, AdminPanelService>();
builder.Services.AddScoped<IScheduleService, ScheduleService>();

// Connect distributed cache
builder.Services.AddSingleton<IDistributedCache, RedisCache>();
builder.Services.AddSingleton<ICacheService, CacheService>();
builder.Services.AddStackExchangeRedisCache(options => {
    options.Configuration = builder.Configuration.GetConnectionString("Redis");
    options.InstanceName = "JwtTokenCache";
});

// Add Identity
builder.Services.AddIdentity<User, Role>(options => { options.SignIn.RequireConfirmedEmail = false; })
    .AddEntityFrameworkStores<ApplicationDbContext>()
    .AddDefaultTokenProviders()
    .AddSignInManager<SignInManager<User>>()
    .AddUserManager<UserManager<User>>()
    .AddRoleManager<RoleManager<Role>>();

// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(option => {
    option.SwaggerDoc("v1", new OpenApiInfo { Title = "TimelyAPI", Version = "v2" });
    option.SchemaFilter<EnumSchemaFilter>(); // translate enums to strings  
    option.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme {
        In = ParameterLocation.Header,
        Description = "Please enter a valid token",
        Name = "Authorization",
        Type = SecuritySchemeType.Http,
        BearerFormat = "JWT",
        Scheme = "Bearer"
    });
    option.AddSecurityRequirement(new OpenApiSecurityRequirement {
        {
            new OpenApiSecurityScheme {
                Reference = new OpenApiReference {
                    Type = ReferenceType.SecurityScheme,
                    Id = "Bearer"
                }
            },
            new string[] { }
        }
    });
    var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
    option.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
});

builder.Services.AddAuthorization();
builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options => {
        options.TokenValidationParameters = new TokenValidationParameters {
            ValidateIssuer = true,
            ValidIssuer = JwtConfiguration.Issuer,
            ValidateAudience = true,
            ValidAudience = JwtConfiguration.Audience,
            ValidateLifetime = true,
            IssuerSigningKey = JwtConfiguration.GetSymmetricSecurityKey(),
            ValidateIssuerSigningKey = true,
        };
    });

// Add logging
var logger = new LoggerConfiguration()
    .ReadFrom.Configuration(builder.Configuration)
    .Enrich.FromLogContext()
    .CreateLogger();
builder.Logging.ClearProviders();
builder.Logging.AddSerilog(logger);

var app = builder.Build();

// auto migration
using var serviceScope = app.Services.CreateScope();
var context = serviceScope.ServiceProvider.GetService<ApplicationDbContext>();
context.Database.Migrate();
await app.ConfigureIdentityAsync();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment() || true) {
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.UseCors();

app.UseAuthentication();
app.UseAuthorization();

app.MapControllers();

app.Run();