monorepo/LCU.WebApps.Indirect.ReserveManagementSystem/Api/ReserveManagementSystemApi/Program.cs

using ReserveManagementSystemApi.Services;
using ReserveManagementSystemApi.HostedService;
using ReserveManagementSystemApi.ServiceClients;
using ReserveManagementSystemApi.Configurations;
using ReserveManagementSystemLib.Configuration;
using ReserveManagementSystemLib.Persistence;
using ReserveManagementSystemLib.Repositories;
using MassTransit;
using Microsoft.OpenApi.Models;
using Microsoft.Extensions.FileProviders;
using Newtonsoft.Json;
using LCU.Library.Internal.LcuHttpClient;
using LCU.Library.Internal.ApiSecurity;
using LCU.Library.Internal.Logging.Models;
using LCU.Library.Internal.Logging;
using LCU.Library.Internal.Logging.Middleware;
using LCU.Library.Internal.Configuration;
using LCU.Library.Internal.LcuMassTransit;
using LCU.Library.Internal.LcuMassTransitModels;
using ReserveManagementSystemApi.Consumers;
using ReserveManagementSystemApi.Services.QueueServices;
using LCU.Library.Internal.Status;

namespace ReserveManagementSystemApi
{
    public class Program
    {
        public static string MyAllowSpecificOrigins { get; private set; }

        static void Main(string[] args)
        {
            MyAllowSpecificOrigins = "_myAllowSpecificOrigins";
            WebApplicationBuilder builder = BuildBuilder(args);
            BuildServicesAndConfigurations(builder);
            BuildAppAndRun(builder);
        }

        public static WebApplicationBuilder BuildBuilder(string[] args)
        {
            var builder = WebApplication.CreateBuilder(args);
            builder.Configuration.AddJsonFile("/app/config/environment-appsettings/appsettings.json", true, true);
            builder.Configuration.AddJsonFile("/app/config/workload-appsettings/appsettings.json", true, true);
            builder.Configuration.AddJsonFile("/vault/secrets/reserve-management-system-seq-api-key.json", true, true);
            builder.Configuration.AddJsonFile("/vault/secrets/reserve-management-system-rms-database-connection.json", true, true);
            builder.Configuration.AddJsonFile("/vault/secrets/reserve-management-system-connection-configuration-queue-username.json", true, true);
            builder.Configuration.AddJsonFile("/vault/secrets/reserve-management-system-connection-configuration-queue-password.json", true, true);
            builder.Configuration.AddJsonFile("/vault/secrets/reserve-management-system-api-security-configuration-internal-api-key-set.json", true, true);
            builder.Host.UseSerilog();
            return builder;
        }

        public static void BuildServicesAndConfigurations(WebApplicationBuilder builder)
        {
            var services = builder.Services;
            var configuration = builder.Configuration;

            services.AddControllers();
            services.AddEndpointsApiExplorer();
            services.AddLCUHttpServices();

            var apiConfiguration = configuration.Bind<ApiConfiguration>(services, "Primary");

            services.AddCors(options =>
                    {
                        options.AddPolicy(MyAllowSpecificOrigins,
                            builder =>
                            {
                                builder.WithOrigins(apiConfiguration.CorsAllowedOrigins).AllowAnyHeader()
                                    .AllowAnyMethod();
                            });
                    });

            services.AddDbContext<AppDbContext>(options =>
            {
                options.UseSqlServer(configuration.GetSection("SqlConnectionConfiguration").GetSection("ConnectionString").Value);
            });

            var connectionConfiguration = MassTransitConfigurationSetUp.AddConnectionConfiguration(ref services, configuration);
            Log.Debug(JsonConvert.SerializeObject(connectionConfiguration));

            var receiveEndpointConfigurations = new ReceiveEndpointConfigurations()
            {
                RmsActiveLoanReceiveEndpoint = MassTransitConfigurationSetUp.GetReceiveEndpointConfiguration(configuration, "RmsActiveLoanReceiveEndpoint")
            };

            services.AddSingleton(receiveEndpointConfigurations);
            Log.Debug(JsonConvert.SerializeObject(receiveEndpointConfigurations));

            AddMassTransitServices(ref services, connectionConfiguration, receiveEndpointConfigurations, apiConfiguration);
            AddQueueServices(services);

            var loggerConfiguration = new LoggingConfiguration(apiConfiguration.AppName,
                                                   apiConfiguration.SeqApiKey,
                                                   apiConfiguration.SeqUrl);
            var lcuLogging = new LcuLogging(loggerConfiguration);
            lcuLogging.UseLcuLogging();

            var rmsApiConfiguration = configuration.Bind<RmsApiConfiguration>(services, "RmsApiConfiguration");
            var coreApiConfiguration = configuration.Bind<CoreApiConfiguration>(services, "CoreApiConfiguration");
           
            services.AddApiKeySecurity(configuration);
            services.AddLCUStatusServices();

            //Services
            services.AddScoped<IStatusService, StatusService>();
            services.AddScoped<ILoanCalculationService, LoanCalculationService>();
            services.AddScoped<ILoanService, LoanService>();
            services.AddScoped<IImportService, ImportService>();
            services.AddScoped<IImportReadService, ImportReadService>();
            services.AddScoped<IAuditHistoryService, AuditHistoryService>();
            services.AddScoped<IDealerService, DealerService>();
            services.AddScoped<IExportService, ExportService>();
            services.AddScoped<IVehicleService, VehicleService>();
            services.AddScoped<IScheduleService, ScheduleService>();
            services.AddScoped<IRmsActiveLoanService, RmsActiveLoanService>();

            //Service Clients
            services.AddScoped<ICoreApiServiceClient, CoreApiServiceClient>();

            //Repositories
            services.AddScoped<ILoanRepository, LoanRepository>();
            services.AddScoped<ILoanTypeRepository, LoanTypeRepository>();
            services.AddScoped<IImportRepository, ImportRepository>();
            services.AddScoped<IAuditHistoryRepository, AuditHistoryRepository>();
            services.AddScoped<IDealerRepository, DealerRepository>();
            services.AddScoped<IVehicleRepository, VehicleRepository>();
            services.AddScoped<IMinorAccountTypeRepository, MinorAccountTypeRepository>();

            //HostedServices
            if (apiConfiguration.FeatureFlags.EnableImportExportActive)
            {
                services.AddHostedService<HostedImportExportActive>();
            }

            if (apiConfiguration.FeatureFlags.EnableImportExportClosed)
            {
                services.AddHostedService<HostedImportExportClosed>();
            }

            services.AddSwaggerGen(c =>
                {
                    c.SwaggerDoc("v1", new OpenApiInfo
                    {
                        Title = $"{apiConfiguration.AppName}",
                        Version = "v1",
                        Contact = new OpenApiContact { Name = "SpecFlow Tests", Url = new Uri("/Specs/index.html", UriKind.Relative) }
                    });
                });
        }

        public static void BuildAppAndRun(WebApplicationBuilder builder)
        {
            var app = builder.Build();

            app.UseSwagger(c =>
            {
                c.PreSerializeFilters.Add((swaggerDoc, request) =>
                {
                    const string prefixHeader = "X-Forwarded-Prefix";
                    if (!request.Headers.ContainsKey(prefixHeader)) return;

                    var serverUrl = request.Headers[prefixHeader];
                    swaggerDoc.Servers = new List<OpenApiServer>()
            {
                new() { Description = serverUrl, Url = serverUrl }
            };
                });
            });
            app.UseSwaggerUI(c =>
            {
                c.RoutePrefix = "swagger";
                c.SwaggerEndpoint("v1/swagger.json", "ReserveManagementSystemApi v1");
            });

            if (app.Environment.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            var specsFolder = Path.Combine(Directory.GetCurrentDirectory(), "Specs");

            if (Directory.Exists(specsFolder))
            {
                app.UseFileServer(new FileServerOptions()
                {
                    FileProvider = new PhysicalFileProvider(Path.Combine(Directory.GetCurrentDirectory(), "Specs")),
                    RequestPath = new PathString("/Specs"),
                    EnableDefaultFiles = true
                });
            }

            app.UseMiddleware<RequestResponseLoggingMiddleware>();
            app.UseSerilogRequestLogging(options =>
            {
                options.EnrichDiagnosticContext = RequestResponseLoggingMiddleware.RequestDataParser.EnrichFromRequest;
            });

            app.UseAuthentication();
            app.UseHttpsRedirection();
            app.UseRouting();
            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });

            app.Run();
        }

        public static void AddMassTransitServices(ref IServiceCollection services,
                            ConnectionConfiguration connectionConfiguration,
                            ReceiveEndpointConfigurations receiveEndpointConfigurations,
                            ApiConfiguration apiConfiguration)
        {
            services.AddMassTransit(x =>
            {
                x.AddConsumer<RmsActiveImportConsumer>();
               
                x.UsingRabbitMq((context, cfg) =>
                {
                    cfg.Host(connectionConfiguration.HostUrl, "/", host =>
                    {
                        host.Username(connectionConfiguration.UserName);
                        host.Password(connectionConfiguration.Password);
                    });
                    cfg.UseTimeout(t => t.Timeout = TimeSpan.FromSeconds(420));

                    if (apiConfiguration.FeatureFlags.RunRmsActiveLoanConsumer)
                    {
                        cfg.ReceiveEndpoint(receiveEndpointConfigurations.RmsActiveLoanReceiveEndpoint.ReceiveEndpoint, e =>
                        {
                            e.ConfigureConsumer<RmsActiveImportConsumer>(context);
                            e.SetQuorumQueue();
                            e.PrefetchCount = receiveEndpointConfigurations.RmsActiveLoanReceiveEndpoint.PrefetchLimit;
                            e.UseTimeout(t => t.Timeout = TimeSpan.FromSeconds(420));
                        });
                    }
                });
            });
            services.AddMassTransitHostedService();
        }

        public static void AddQueueServices(IServiceCollection services)
        {
            services.AddScoped<IQueueRmsActiveLoanService, QueueRmsActiveLoanService>();
        }
    }
}