added PDF generation for quotation

PyroFetes/Endpoints/Quotations/GetQuotationPdfEndpoint.cs

@@ -0,0 +1,41 @@
+using FastEndpoints;
+using PyroFetes.DTO.Quotation.Request;
+using PyroFetes.Models;
+using PyroFetes.Repositories;
+using PyroFetes.Services.Pdf;
+using PyroFetes.Specifications.Quotations;
+
+namespace PyroFetes.Endpoints.Quotations;
+
+public class GetQuotationPdfEndpoint(
+    QuotationsRepository quotationRepository,
+    QuotationProductsRepository quotationProductRepository, 
+    IQuotationPdfService quotationPdfService) 
+    : Endpoint<GetQuotationPdfDto>
+{
+    public override void Configure()
+    {
+        Get("/quotations/{@Id}/pdf", x => new {x.Id});
+        AllowAnonymous();
+    }
+    
+    public override async Task HandleAsync(GetQuotationPdfDto req, CancellationToken ct)
+    {
+        Quotation? quotation = await quotationRepository
+            .FirstOrDefaultAsync(new GetQuotationByIdWithProductsSpec(req.Id), ct);
+
+        if (quotation == null)
+        {
+            await Send.NotFoundAsync(ct);
+            return;
+        }
+        
+        var bytes = quotationPdfService.Generate(quotation, quotation.QuotationProducts!);
+
+        await Send.BytesAsync(
+            bytes: bytes,
+            contentType: "application/pdf",
+            fileName: $"devis-{quotation.Id}.pdf",
+            cancellation: ct);
+    }
+}