Feature/routes export (#29)

Co-authored-by: gorbenko.pavel <gorbenko.pavel@tansu.kz>
Reviewed-on: http://git.tnsu.kz/gorbenko.pavel/tnsu-approval-route/pulls/29

backend/Tnsu.ApprovalRoute.Api/Controllers/ReportsController.cs

@@ -15,7 +15,7 @@ namespace Tnsu.ApprovalRoute.Api.Controllers;
 [ApiController]
 [Authorize(Policy = AuthPolicies.Any)]
 [Route("api/reports")]
-public sealed class ReportsController(VacancyReportService vacancies) : ControllerBase
+public sealed class ReportsController(VacancyReportService vacancies, RouteExportService routeExport) : ControllerBase
 {
     private const string XlsxContentType =
         "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
@@ -51,4 +51,27 @@ public sealed class ReportsController(VacancyReportService vacancies) : Controll
 
         return File(file, XlsxContentType);
     }
+
+    /// <summary>
+    /// Выгрузка маршрутов согласования выбранных типов заявок в xlsx (лист на тип).
+    /// POST — потому что в теле список id типов (см. RouteExportService).
+    /// </summary>
+    [HttpPost("routes")]
+    [Produces(XlsxContentType)]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    public async Task<IActionResult> Routes([FromBody] RouteExportRequest request, CancellationToken ct = default)
+    {
+        var result = await routeExport.BuildAsync(request.RequestTypeIds, ct);
+        if (result.IsFailed)
+            return BadRequest(new { errors = result.Errors.Select(e => e.Message) });
+
+        var file = result.Value;
+
+        var disposition = new ContentDispositionHeaderValue("attachment");
+        disposition.SetHttpFileName(file.FileName);
+        Response.Headers.ContentDisposition = disposition.ToString();
+
+        return File(file.Content, XlsxContentType);
+    }
 }

backend/Tnsu.ApprovalRoute.Api/Program.cs

@@ -53,7 +53,10 @@ builder.Services.AddCors(options =>
     options.AddPolicy(CorsPolicyName, policy => policy
         .WithOrigins(corsAllowedOrigins)
         .AllowAnyHeader()
-        .AllowAnyMethod());
+        .AllowAnyMethod()
+        // Без этого браузер не отдаёт скрипту Content-Disposition кросс-доменного ответа,
+        // а из него фронт берёт имя скачиваемого файла (выгрузка маршрутов).
+        .WithExposedHeaders("Content-Disposition"));
 });
 builder.Services.AddSingleton(TimeProvider.System);
 builder.Services.AddApprovalRouteInfrastructure(builder.Configuration);

backend/Tnsu.ApprovalRoute.Api/Tnsu.ApprovalRoute.Api.csproj

@@ -3,6 +3,9 @@
     <ProjectReference Include="..\Tnsu.ApprovalRoute.Application\Tnsu.ApprovalRoute.Application.csproj" />
     <ProjectReference Include="..\Tnsu.ApprovalRoute.Infrastructure\Tnsu.ApprovalRoute.Infrastructure.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Update="appsettings.*.json" DependentUpon="appsettings.json" />
+  </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Extensions.Hosting.AsyncInitialization" />
     <PackageReference Include="Hangfire.AspNetCore" />