feat(shared-web): add shared swagger and tracing utilities

src/Api/TakeoutSaaS.UserApi/Program.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Linq;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Cors.Infrastructure;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Serilog;
+using TakeoutSaaS.Module.Tenancy;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+using TakeoutSaaS.Shared.Web.Extensions;
+using TakeoutSaaS.Shared.Web.Swagger;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Host.UseSerilog((context, _, configuration) =>
+{
+    configuration
+        .Enrich.FromLogContext()
+        .Enrich.WithProperty("Service", "UserApi")
+        .WriteTo.Console();
+});
+
+builder.Services.AddSharedWebCore();
+builder.Services.AddSharedSwagger(options =>
+{
+    options.Title = "外卖SaaS - 用户端";
+    options.Description = "C 端用户 API 文档";
+    options.EnableAuthorization = true;
+});
+
+var userOrigins = ResolveCorsOrigins(builder.Configuration, "Cors:User");
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("UserApiCors", policy =>
+    {
+        ConfigureCorsPolicy(policy, userOrigins);
+    });
+});
+
+builder.Services.AddScoped<ITenantProvider, TenantProvider>();
+
+var app = builder.Build();
+
+app.UseCors("UserApiCors");
+app.UseSharedWebCore();
+app.UseSharedSwagger();
+
+app.MapControllers();
+app.Run();
+
+static string[] ResolveCorsOrigins(IConfiguration configuration, string sectionKey)
+{
+    var origins = configuration.GetSection(sectionKey).Get<string[]>();
+    return origins?
+        .Where(origin => !string.IsNullOrWhiteSpace(origin))
+        .Distinct(StringComparer.OrdinalIgnoreCase)
+        .ToArray() ?? Array.Empty<string>();
+}
+
+static void ConfigureCorsPolicy(CorsPolicyBuilder policy, string[] origins)
+{
+    if (origins.Length == 0)
+    {
+        policy.AllowAnyOrigin();
+    }
+    else
+    {
+        policy.WithOrigins(origins)
+            .AllowCredentials();
+    }
+
+    policy
+        .AllowAnyHeader()
+        .AllowAnyMethod();
+}