DamageAssessment_Backend/DamageAssesmentApi/DamageAssesment.Api.Responses/Program.cs

using DamageAssesment.Api.Responses.Db;
using DamageAssesment.Api.Responses.Interfaces;
using DamageAssesment.Api.Responses.Services;
using DamageAssesment.Api.Responses.Providers;
using Microsoft.EntityFrameworkCore;
using Polly;
using System.Reflection;
using Microsoft.OpenApi.Models;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.IdentityModel.Tokens;
using System.Text;

var builder = WebApplication.CreateBuilder(args);
const int maxApiCallRetries = 3;
const int intervalToRetry = 2; //2 seconds
const int maxRetryForCircuitBraker = 5;
const int intervalForCircuitBraker = 5; //5 seconds


// Add services to the container.
var authkey = builder.Configuration.GetValue<string>("JwtSettings:securitykey");
builder.Services.AddAuthentication(item =>
{
    item.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    item.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
}).AddJwtBearer(item =>
{
    item.RequireHttpsMetadata = true;
    item.SaveToken = true;
    item.TokenValidationParameters = new TokenValidationParameters()
    {
        ValidateIssuerSigningKey = true,
        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(authkey)),
        ValidateIssuer = false,
        ValidateAudience = false,
        ClockSkew = TimeSpan.Zero
    };
});

builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle

builder.Services.AddScoped<ISurveysResponse, SurveyResponsesProvider>();
builder.Services.AddScoped<IAnswerServiceProvider, AnswerServiceProvider>();
builder.Services.AddScoped<ILocationServiceProvider, LocationServiceProvider>();
builder.Services.AddScoped<IRegionServiceProvider, RegionServiceProvider>();
builder.Services.AddScoped<IQuestionServiceProvider, QuestionServiceProvider>();
builder.Services.AddScoped<IEmployeeServiceProvider, EmployeeServiceProvider>();
builder.Services.AddScoped<IAttachmentServiceProvider, AttachmentServiceProvider>();
builder.Services.AddScoped<ISurveyServiceProvider, SurveyServiceProvider>();
builder.Services.AddScoped<IExcelExportService, ExcelExportService>();
builder.Services.AddHttpContextAccessor();

builder.Services.AddHttpClient<IHttpUtil, HttpUtil>().
    AddTransientHttpErrorPolicy(policy => policy.WaitAndRetryAsync(maxApiCallRetries, _ => TimeSpan.FromSeconds(intervalToRetry))).
    AddTransientHttpErrorPolicy(policy => policy.CircuitBreakerAsync(maxRetryForCircuitBraker, TimeSpan.FromSeconds(intervalForCircuitBraker)));


builder.Services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());
builder.Services.AddEndpointsApiExplorer();
//builder.Services.AddSwaggerGen();

builder.Services.AddSwaggerGen(options =>
{
    // Include XML comments from your assembly
    var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
    var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
    options.IncludeXmlComments(xmlPath);

    OpenApiSecurityScheme securityDefinition = new OpenApiSecurityScheme()
    {
        Name = "Bearer",
        BearerFormat = "JWT",
        Scheme = "bearer",
        Description = "Specify the authorization token.",
        In = ParameterLocation.Header,
        Type = SecuritySchemeType.Http,
    };

    options.AddSecurityDefinition("jwt_auth", securityDefinition);

    // Make sure swagger UI requires a Bearer token specified
    OpenApiSecurityScheme securityScheme = new OpenApiSecurityScheme()
    {
        Reference = new OpenApiReference()
        {
            Id = "jwt_auth",
            Type = ReferenceType.SecurityScheme
        }
    };
    OpenApiSecurityRequirement securityRequirements = new OpenApiSecurityRequirement()
    {
        {securityScheme, new string[] { }},
    };
    options.AddSecurityRequirement(securityRequirements);
});
builder.Services.AddDbContext<SurveyResponseDbContext>(option =>
{
    option.UseSqlServer("ResponsesConnection");
});
var app = builder.Build();

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

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

app.MapControllers();

app.Run();