creacion del pdf de los anticipos con la libreria IText7

CORRESPONSALBackend.csproj

@@ -14,6 +14,8 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.5" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="7.0.5" />
     <PackageReference Include="EPPlus" Version="6.2.9" />
+    <PackageReference Include="itext7" Version="8.0.2" />
+    <PackageReference Include="itext7.bouncy-castle-adapter" Version="8.0.2" />
   </ItemGroup>
 
 </Project>

Controllers/Corresponsalias/AnticiposController.cs

@@ -5,6 +5,16 @@ using CORRESPONSALBackend.Models.Corresponsales;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Authorization;
 using CORRESPONSALBackend.Contracts.Utils;
+using iText.Kernel.Pdf;
+using iText.Layout;
+using iText.Kernel.Geom;
+using iText.Layout.Element;
+using iText.IO.Image;
+using iText.Layout.Properties;
+using iText.Kernel.Colors;
+using iText.Layout.Borders;
+using iText.Kernel.Font;
+using iText.IO.Font.Constants;
 
 namespace CORRESPONSALBackend.Controllers.Corresponsalias
 {
@@ -17,12 +27,14 @@ namespace CORRESPONSALBackend.Controllers.Corresponsalias
         private readonly ICorresponsaliasAnticiposRepository _Repo;
         private readonly IConfiguration _config;
         private readonly IFileManagerRepository _fileManager;
+        private readonly ICorresponsaliasTraficosRepository _traficoRepository;
 
-        public AnticiposController(ICorresponsaliasAnticiposRepository Repo, IConfiguration config, IFileManagerRepository fileManager)
+        public AnticiposController(ICorresponsaliasAnticiposRepository Repo, IConfiguration config, IFileManagerRepository fileManager, ICorresponsaliasTraficosRepository traficoRepository)
         {
             _config = config;
             _Repo = Repo;
             _fileManager = fileManager;
+            _traficoRepository = traficoRepository;
         }
 
         [HttpPost]
@@ -74,6 +86,79 @@ namespace CORRESPONSALBackend.Controllers.Corresponsalias
             return entrada;
         }
 
+        [HttpGet("Download")]
+        public async Task<IActionResult> Download([FromQuery] int idTrafico, [FromQuery] int idAnticipo){
+            var trafico = await _traficoRepository.Get(idTrafico);
+            var anticipos = await _Repo.getAll(idTrafico);
+            var anticipo = anticipos.First(x => x.id == idAnticipo);
 
+            MemoryStream ms = new MemoryStream();
+            PdfWriter pw = new PdfWriter(ms);
+            PdfDocument pdfDocument = new PdfDocument(pw);
+            Document doc = new Document(pdfDocument, PageSize.LETTER);//En este punto ya se tiene creado un docuento en blanco
+            PdfFont font = PdfFontFactory.CreateFont(StandardFonts.TIMES_ROMAN);
+            doc.SetFont(font);
+            doc.SetMargins(25, 25, 25, 25);
+            #region Encabezado 
+            String imageFile = "C:\\data\\Corresponsales\\Img\\LogoGemco.png"; 
+            ImageData data = ImageDataFactory.Create(imageFile); 
+            Image img = new Image(data); 
+            Table headerTable = new Table(3).UseAllAvailableWidth();
+            headerTable.AddCell(new Cell(2,1).Add(img.SetAutoScale(true).SetWidth(30).SetHeight(20)).SetBorder(Border.NO_BORDER));
+            headerTable.AddCell(
+                new Cell(2,2)
+                .Add(
+                    new Paragraph("ANTICIPO PARA CORRESPONSALIAS")
+                    .SetTextAlignment(TextAlignment.CENTER).SetPaddingRight(30)
+                )
+                .SetVerticalAlignment(VerticalAlignment.BOTTOM)
+                .SetBorder(Border.NO_BORDER)
+            );
+            headerTable.SetBorderBottom(new SolidBorder(ColorConstants.BLACK, 2));
+            doc.Add(headerTable);
+            #endregion
+            #region datos de la cuenta
+            Table accountTable = new Table(1).UseAllAvailableWidth().SetMarginTop(15);
+            accountTable.AddCell(new Cell().Add(new Paragraph("NUMERO DE CHEQUE:")).SetBorder(Border.NO_BORDER));
+            accountTable.AddCell(new Cell().Add(new Paragraph($"SOLICITUD: ").Add(new Text($"{anticipo.id}").SetItalic())).SetBorder(Border.NO_BORDER));
+            accountTable.AddCell(new Cell().Add(new Paragraph("DEPENDENCIA: ").Add(new Text("CORRESPONSALIA").SetItalic())).SetBorder(Border.NO_BORDER));
+            accountTable.AddCell(new Cell().Add(new Paragraph($"IMPRESION: ").Add(new Text($"{DateTime.Now}").SetItalic())).SetVerticalAlignment(VerticalAlignment.BOTTOM).SetBorder(Border.NO_BORDER));
+            doc.Add(accountTable);
+            #endregion
+            #region datos del anticipo
+            Table dataTable = new Table(7).UseAllAvailableWidth().SetMarginTop(15).SetFontSize(8f);
+            dataTable.AddCell(new Cell().Add(new Paragraph("GEMCO")));
+            dataTable.AddCell(new Cell().Add(new Paragraph("PEDIMENTO")));
+            dataTable.AddCell(new Cell().Add(new Paragraph("CLIENTE")));
+            dataTable.AddCell(new Cell().Add(new Paragraph("PRODUCTO")));
+            dataTable.AddCell(new Cell().Add(new Paragraph("FECHA DE CRUCE")));
+            dataTable.AddCell(new Cell().Add(new Paragraph("PROVEEDOR")));
+            dataTable.AddCell(new Cell().Add(new Paragraph("IMPORTE")));
+            
+            dataTable.AddCell(new Cell().Add(new Paragraph(trafico.FolioGemco)).SetBorder(Border.NO_BORDER));
+            dataTable.AddCell(new Cell().Add(new Paragraph($"{trafico.Aduana}-{trafico.Patente}-{trafico.Pedimento}")).SetBorder(Border.NO_BORDER));
+            dataTable.AddCell(new Cell().Add(new Paragraph($"ALEN DEL NORTE S.A. DE C.V.")).SetBorder(Border.NO_BORDER));
+            dataTable.AddCell(new Cell().Add(new Paragraph("")).SetBorder(Border.NO_BORDER));
+            dataTable.AddCell(new Cell().Add(new Paragraph(trafico.FechaDesaduanamiento != null && trafico.FechaDesaduanamiento != "" ? trafico.FechaDesaduanamiento.Substring(0,10) : "")).SetBorder(Border.NO_BORDER));
+            dataTable.AddCell(new Cell().Add(new Paragraph("CORRESPONSAL")).SetBorder(Border.NO_BORDER));
+            dataTable.AddCell(new Cell().Add(new Paragraph($"{anticipo.Anticipo}")).SetBorder(Border.NO_BORDER));
+            dataTable.SetBorderBottom(new SolidBorder(ColorConstants.BLACK, 2));
+            doc.Add(dataTable);
+            #endregion
+            #region Importe final
+            Table importeTable = new Table(7).UseAllAvailableWidth();
+            importeTable.AddCell(new Cell(1,7)
+                .Add(new Paragraph($"SUMA IMPORTE: $ {anticipo.Anticipo}").SetTextAlignment(TextAlignment.RIGHT).SetFontSize(10f)).SetBorder(Border.NO_BORDER)
+            );
+            doc.Add(importeTable);
+            #endregion
+            doc.Close();//Aqui se cierra el documento para poder enviarlo al front para ser descargado.
+            byte[] bytesStream = ms.ToArray();
+            ms = new MemoryStream();
+            ms.Write(bytesStream, 0, bytesStream.Length);
+            ms.Position = 0;
+
+            return new FileStreamResult(ms, "application/pdf");
+        }
     }
 }