iText7 PDF generation help needed

Question

Hello friends,

In my Blazor Server application, I am generating a PDF like this. But requirements changed, I need to insert a table and logo like this sample. How can I manage it?

InkedScreenshot 2023-01-31 at 19-47-25 Purchase Order - P21112317104.pdf_LI.jpg

InkedScreenshot 2023-01-31 at 20-15-41.jpg

private async Task ReportPDF(VendorDto vendorVM)
    {
        
        double sum = 0;
        using var memoryStream = new MemoryStream();
        await using var writer = new PdfWriter(memoryStream);
        writer.SetCloseStream(false);

        using PdfDocument pdfDocument = new PdfDocument(writer);
        Document doc = new Document(pdfDocument, PageSize.A4, false);


        Paragraph header = new Paragraph("ORDER REPORT")
            .SetTextAlignment(TextAlignment.CENTER)
            .SetFontSize(20);

        doc.Add(new Paragraph());
        doc.Add(header);


        // Line separator
        LineSeparator line1 = new LineSeparator(new SolidLine());
        doc.Add(line1);
        doc.Add(new Paragraph());

        Paragraph orderDate = new Paragraph("Order Date: " + Order.OrderDateTime)
            .SetTextAlignment(TextAlignment.LEFT)
            .SetFontSize(14);
        doc.Add(orderDate);

        Paragraph company = new Paragraph("Company: Vorlance")
            .SetTextAlignment(TextAlignment.LEFT)
            .SetFontSize(14);
        doc.Add(company);

        Paragraph responsible = new Paragraph("Responsible: " + Order.DoneBy)
            .SetTextAlignment(TextAlignment.LEFT)
            .SetFontSize(14);
        doc.Add(responsible);

        Paragraph vendor = new Paragraph("Vendor: " + orderDetails.Where(x => x.VendorId == vendorVM.Id).Select(y => y.Vendor.Name).FirstOrDefault())
            .SetTextAlignment(TextAlignment.LEFT)
            .SetFontSize(14);
        doc.Add(vendor);

        switch (vendorVM.Warehouse)
        {
            case "China Warehouse":
                FontProgram fontProgram =
                    FontProgramFactory.CreateFont(@"Resources/NotoSansTC-Regular.otf");
                PdfFont chinese = PdfFontFactory.CreateFont(fontProgram, PdfEncodings.IDENTITY_H);
                
                Paragraph delivery = new Paragraph($"Delivery Information: Co Limited")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14)
                    .SetFont(chinese);
                doc.Add(delivery);
                Paragraph address = new Paragraph($"Address: Test Address")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14)
                    .SetFont(chinese);
                doc.Add(address);
                Paragraph contact = new Paragraph($"Warehouse Contact: ABC")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14)
                    .SetFont(chinese);
                doc.Add(contact);
                Paragraph phone = new Paragraph("Phone: +88-1111111111")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(phone);
                Paragraph contact3 = new Paragraph($"Merchandise Contact: Veveveveve")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14)
                    .SetFont(chinese);
                doc.Add(contact3);
                Paragraph phone3 = new Paragraph("Phone: +88-181111110")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(phone3);
                Paragraph email = new Paragraph("Email: test@test.com")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(email);                
                break;
             
            case "Shenzen Warehouse":
                FontProgram fontProgram2 =
                    FontProgramFactory.CreateFont(@"Resources/NotoSansTC-Regular.otf");
                PdfFont chinese2 = PdfFontFactory.CreateFont(fontProgram2, PdfEncodings.IDENTITY_H);

                Paragraph delivery5 = new Paragraph($"Delivery Information: Co.,Ltd")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14)
                    .SetFont(chinese2);
                doc.Add(delivery5);
                Paragraph address5 = new Paragraph($"Address: Building, District, Shenzhen ZIP Code:1111111")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14)
                    .SetFont(chinese2);
                doc.Add(address5);
                Paragraph contact6 = new Paragraph($"Warehouse Contact: Test Test")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14)
                    .SetFont(chinese2);
                doc.Add(contact6);
                Paragraph phone6 = new Paragraph("Phone: +81 111111111")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(phone6);
                Paragraph email5 = new Paragraph("Email: test1@c.com")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(email5);
                break;
            case "USA Warehouse":
                Paragraph delivery1 = new Paragraph("Delivery Information: TRADING LLC")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(delivery1);
                Paragraph address1 = new Paragraph("Address: Test, FL, ZIP Code: 11111")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(address1);
                Paragraph contact1 = new Paragraph("Contact: Contact1")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(contact1);
                Paragraph email1 = new Paragraph("Email: test@firm.com")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(email1);
                Paragraph phone1 = new Paragraph("Phone: +1(999)1111111")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(phone1);
                break;
            case "Private Shipping":
                Paragraph delivery2 = new Paragraph("Delivery Information: Company info")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(delivery2);
                Paragraph address2 = new Paragraph("Address: Test Adress")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(address2);
                Paragraph contact2 = new Paragraph("Contact: Contact Name")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(contact2);
                Paragraph email2 = new Paragraph("Email: stest@stest.com")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(email2);
                Paragraph phone2 = new Paragraph("Phone: +99 11111111")
                    .SetTextAlignment(TextAlignment.LEFT)
                    .SetFontSize(14);
                doc.Add(phone2);
                break;
        }
        LineSeparator line2 = new LineSeparator(new SolidLine());
        doc.Add(line2);
        doc.Add(new Paragraph());
        doc.Add(new Paragraph());

        Table table = new Table(7).UseAllAvailableWidth();

        table.AddHeaderCell(new Cell(1, 7).Add(new Paragraph("Order Details")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold())
            .SetTextAlignment(TextAlignment.CENTER);

        for (int i = 0; i < 1; i++) {
            table.AddHeaderCell(new Cell().Add(new Paragraph("ORDER ID")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold());
            table.AddHeaderCell(new Cell().Add(new Paragraph("Product ID")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold());
            table.AddHeaderCell(new Cell().Add(new Paragraph("Product Code")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold());
            table.AddHeaderCell(new Cell().Add(new Paragraph("Currency")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold());
            table.AddHeaderCell(new Cell().Add(new Paragraph("Quantity")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold());
            table.AddHeaderCell(new Cell().Add(new Paragraph("Unit Price")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold());
            table.AddHeaderCell(new Cell().Add(new Paragraph("Total Price")).SetBackgroundColor(ColorConstants.LIGHT_GRAY).SetBold());
        }

        foreach (var details in orderDetails.Where(x => x.VendorId == vendorVM.Id))
        {
            table.AddCell(new Cell().Add(new Paragraph(details.OrderId.ToString())));
            table.AddCell(new Cell().Add(new Paragraph(details.Id.ToString())));
            table.AddCell(new Cell().Add(new Paragraph(details.ProductCode)));
            table.AddCell(new Cell().Add(new Paragraph(details.Currency)));
            table.AddCell(new Cell().Add(new Paragraph(details.Quantity.ToString())));
            table.AddCell(new Cell().Add(new Paragraph(details.BuyUnitPrice.ToString())));
            table.AddCell(new Cell().Add(new Paragraph(details.TotalBuyPrice.ToString())));
            sum = sum + details.TotalBuyPrice;
        }
        
        //table.AddCell(new Cell().Add(new Paragraph()));
        //table.AddCell(new Cell().Add(new Paragraph()));
        //table.AddCell(new Cell().Add(new Paragraph()));
        //table.AddCell(new Cell().Add(new Paragraph()));
        //table.AddCell(new Cell().Add(new Paragraph()));
        //table.AddCell(new Cell().Add(new Paragraph("Total: " + sum.ToString())));

        doc.Add(table);

        // Page numbers
        int n = pdfDocument.GetNumberOfPages();
        for (int i = 1; i <= n; i++)
        {
            doc.ShowTextAligned(new Paragraph(String
                .Format(i + " of " + n)),
                559, 806, i, TextAlignment.RIGHT,
                VerticalAlignment.BOTTOM, 0);
        }


        doc.Close();
        memoryStream.Position = 0;
        var pdfname = $"Report-{DateTime.Now.ToString("ddMMyyyyHHmm")}.pdf";

        using var streamRef = new DotNetStreamReference(stream: memoryStream);
        await JsRuntime.InvokeVoidAsync("downloadFileFromStream", pdfname, streamRef);
        
    }

Answer 1

Try Github.