WIP
This commit is contained in:
Chris Chen
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using System.Globalization;
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using DevExpress.Office;
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using DevExpress.XtraRichEdit;
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using DevExpress.XtraRichEdit.API.Native;
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namespace ROLAC.API.Services.Disbursement;
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/// <summary>
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/// Renders a check on 8.5"x11" stock using the DevExpress Office (RichEdit) API:
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/// a check block on top followed by two identical ledger detail stubs. The layout is
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/// built programmatically (no external .docx template) and exported to PDF.
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/// </summary>
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public class CheckPrintService : ICheckPrintService
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{
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public Task<Stream> RenderPdfAsync(CheckPrintModel model)
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{
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using var server = new RichEditDocumentServer();
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var doc = server.Document;
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doc.BeginUpdate();
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try
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{
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doc.Unit = DocumentUnit.Inch;
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var section = doc.Sections[0];
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section.Page.Width = 8.5f;
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section.Page.Height = 11f;
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section.Margins.Left = section.Margins.Right = 0.6f;
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section.Margins.Top = section.Margins.Bottom = 0.5f;
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BuildCheckBlock(doc, model);
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BuildStub(doc, model, "PAYMENT ADVICE — DETAIL");
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BuildStub(doc, model, "PAYMENT ADVICE — RECORD COPY");
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}
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finally
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{
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doc.EndUpdate();
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}
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var ms = new MemoryStream();
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server.ExportToPdf(ms);
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ms.Position = 0;
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return Task.FromResult<Stream>(ms);
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}
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public Task<Stream> RenderReceiptPdfAsync(CheckPrintModel model)
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{
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using var server = new RichEditDocumentServer();
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var document = server.Document;
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document.BeginUpdate();
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try
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{
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document.Unit = DocumentUnit.Inch;
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var section = document.Sections[0];
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section.Page.Width = 8.5f;
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section.Page.Height = 11f;
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section.Margins.Left = section.Margins.Right = 0.8f;
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section.Margins.Top = section.Margins.Bottom = 0.8f;
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document.AppendHtmlText(BuildReceiptHtml(model));
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}
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finally
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{
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document.EndUpdate();
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}
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var stream = new MemoryStream();
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server.ExportToPdf(stream);
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stream.Position = 0;
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return Task.FromResult<Stream>(stream);
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}
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private static string BuildReceiptHtml(CheckPrintModel model)
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{
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var issuer = model.Issuer;
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var check = model.Check;
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var issuerAddress = Encode(JoinAddress(issuer.Address, issuer.City, issuer.State, issuer.ZipCode));
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var payeeAddress = Encode(JoinAddress(check.PayeeAddress, check.PayeeCity, check.PayeeState, check.PayeeZip));
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var detailRows = new System.Text.StringBuilder();
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foreach (var line in model.Lines)
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{
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var date = line.Expense?.ExpenseDate.ToString("MM/dd/yyyy") ?? "";
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detailRows.Append(
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"<tr>" +
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$"<td>{Encode(date)}</td>" +
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$"<td>{Encode(line.Description)}</td>" +
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$"<td align=\"right\">{Encode(FormatCurrency(line.Amount))}</td>" +
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"</tr>");
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}
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var signedOn = check.ReceiptSignedAt.HasValue
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? check.ReceiptSignedAt.Value.ToLocalTime().ToString("MM/dd/yyyy HH:mm")
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: "";
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var signatureBlock = "";
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if (model.SignatureImage is { Length: > 0 })
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{
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var base64 = Convert.ToBase64String(model.SignatureImage);
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signatureBlock =
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$"<p><img src=\"data:{model.SignatureContentType};base64,{base64}\" width=\"260\" /></p>";
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}
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return
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"<div style=\"font-family:Arial;font-size:11pt;color:#111;\">" +
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"<h2 style=\"text-align:center;margin:0;\">Disbursement Receipt / 簽收收據</h2>" +
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$"<p style=\"text-align:center;margin:4px 0 16px 0;\"><b>{Encode(issuer.Name)}</b><br/>{issuerAddress}</p>" +
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"<h3 style=\"margin:8px 0;\">Check Information / 支票資訊</h3>" +
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"<table border=\"1\" cellspacing=\"0\" cellpadding=\"5\" width=\"100%\" style=\"border-collapse:collapse;\">" +
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$"<tr><td width=\"22%\"><b>Check No. / 支票號碼</b></td><td width=\"28%\">{Encode(check.CheckNumber)}</td>" +
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$"<td width=\"22%\"><b>Date / 日期</b></td><td width=\"28%\">{check.CheckDate:MM/dd/yyyy}</td></tr>" +
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$"<tr><td><b>Payee / 收款人</b></td><td colspan=\"3\">{Encode(check.PayeeName)} {payeeAddress}</td></tr>" +
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$"<tr><td><b>Amount / 金額</b></td><td colspan=\"3\">{Encode(FormatCurrency(check.Amount))} — {Encode(model.AmountInWords)}</td></tr>" +
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$"<tr><td><b>Memo / 摘要</b></td><td colspan=\"3\">{Encode(check.Memo ?? "")}</td></tr>" +
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"</table>" +
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"<h3 style=\"margin:16px 0 8px 0;\">Disbursement Detail / 撥款明細</h3>" +
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"<table border=\"1\" cellspacing=\"0\" cellpadding=\"5\" width=\"100%\" style=\"border-collapse:collapse;\">" +
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"<tr><th align=\"left\">Date / 日期</th><th align=\"left\">Description / 說明</th><th align=\"right\">Amount / 金額</th></tr>" +
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detailRows +
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$"<tr><td></td><td align=\"right\"><b>TOTAL / 合計</b></td><td align=\"right\"><b>{Encode(FormatCurrency(check.Amount))}</b></td></tr>" +
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"</table>" +
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"<h3 style=\"margin:16px 0 8px 0;\">Acknowledgement of Receipt / 收款簽收</h3>" +
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"<p>I acknowledge receipt of the above payment in full. / 本人確認已如數收到上述款項。</p>" +
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$"<p><b>Received by / 簽收人:</b> {Encode(check.ReceiptSignedName ?? "")}<br/>" +
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$"<b>Date / 簽收日期:</b> {Encode(signedOn)}</p>" +
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signatureBlock +
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"</div>";
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}
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private static string Encode(string? text) => System.Net.WebUtility.HtmlEncode(text ?? "");
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private static void BuildCheckBlock(Document doc, CheckPrintModel m)
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{
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var issuer = m.Issuer;
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var check = m.Check;
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AppendLine(doc, issuer.Name, bold: true, size: 13);
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var issuerAddr = JoinAddress(issuer.Address, issuer.City, issuer.State, issuer.ZipCode);
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if (!string.IsNullOrWhiteSpace(issuerAddr)) AppendLine(doc, issuerAddr, size: 9);
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if (!string.IsNullOrWhiteSpace(issuer.BankName)) AppendLine(doc, issuer.BankName, size: 9);
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AppendLine(doc, "");
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AppendLine(doc, $"Check No: {check.CheckNumber} Date: {check.CheckDate:MM/dd/yyyy}", bold: true, size: 10);
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AppendLine(doc, "");
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AppendLine(doc, $"PAY TO THE ORDER OF: {check.PayeeName}", bold: true, size: 11);
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var payeeAddr = JoinAddress(check.PayeeAddress, check.PayeeCity, check.PayeeState, check.PayeeZip);
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if (!string.IsNullOrWhiteSpace(payeeAddr)) AppendLine(doc, payeeAddr, size: 9);
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AppendLine(doc, "");
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AppendLine(doc, $"AMOUNT: {FormatCurrency(check.Amount)}", bold: true, size: 12);
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AppendLine(doc, m.AmountInWords, size: 10);
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if (!string.IsNullOrWhiteSpace(check.Memo)) { AppendLine(doc, ""); AppendLine(doc, $"Memo: {check.Memo}", size: 9); }
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AppendLine(doc, "");
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AppendLine(doc, "____________________________________", size: 10);
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AppendLine(doc, "Authorized Signature", size: 8);
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AppendSeparator(doc);
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}
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private static void BuildStub(Document doc, CheckPrintModel m, string title)
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{
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var check = m.Check;
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AppendLine(doc, title, bold: true, size: 10);
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AppendLine(doc, $"Check No: {check.CheckNumber} Date: {check.CheckDate:MM/dd/yyyy} Payee: {check.PayeeName}", size: 9);
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AppendLine(doc, "");
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var rows = m.Lines.Count + 2; // header + lines + total
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var table = doc.Tables.Create(doc.Range.End, rows, 3, AutoFitBehaviorType.AutoFitToWindow);
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table.Borders.InsideHorizontalBorder.LineStyle = TableBorderLineStyle.Single;
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table.Borders.Top.LineStyle = table.Borders.Bottom.LineStyle = TableBorderLineStyle.Single;
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SetCell(doc, table[0, 0], "Date", bold: true);
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SetCell(doc, table[0, 1], "Description", bold: true);
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SetCell(doc, table[0, 2], "Amount", bold: true, right: true);
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for (var i = 0; i < m.Lines.Count; i++)
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{
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var line = m.Lines[i];
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var r = i + 1;
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// CheckLine snapshots description; date comes from the source expense if loaded.
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var date = line.Expense?.ExpenseDate.ToString("MM/dd/yyyy") ?? "";
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SetCell(doc, table[r, 0], date);
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SetCell(doc, table[r, 1], line.Description);
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SetCell(doc, table[r, 2], FormatCurrency(line.Amount), right: true);
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}
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var totalRow = rows - 1;
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SetCell(doc, table[totalRow, 0], "");
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SetCell(doc, table[totalRow, 1], "TOTAL", bold: true, right: true);
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SetCell(doc, table[totalRow, 2], FormatCurrency(check.Amount), bold: true, right: true);
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AppendLine(doc, "");
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if (check.ReceiptSignedAt is { } signedAt)
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AppendLine(doc, $"Received by: {check.ReceiptSignedName} on {signedAt:MM/dd/yyyy HH:mm}", size: 9);
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AppendSeparator(doc);
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}
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// ── low-level helpers ──────────────────────────────────────────────────────
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private static void AppendLine(Document doc, string text, bool bold = false, float size = 10)
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{
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var range = doc.AppendText(text + "\r\n");
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var cp = doc.BeginUpdateCharacters(range);
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cp.Bold = bold;
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cp.FontSize = size;
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doc.EndUpdateCharacters(cp);
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}
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private static void AppendSeparator(Document doc)
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{
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AppendLine(doc, "");
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AppendLine(doc, "------------------------------------------------------------------------------------------", size: 8);
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AppendLine(doc, "");
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}
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private static void SetCell(Document doc, TableCell cell, string text, bool bold = false, bool right = false)
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{
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var range = doc.InsertText(cell.ContentRange.Start, text);
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var cp = doc.BeginUpdateCharacters(range);
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cp.Bold = bold;
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cp.FontSize = 9;
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doc.EndUpdateCharacters(cp);
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if (right)
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{
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var pp = doc.BeginUpdateParagraphs(range);
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pp.Alignment = ParagraphAlignment.Right;
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doc.EndUpdateParagraphs(pp);
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}
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}
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private static string FormatCurrency(decimal amount) =>
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amount.ToString("C2", CultureInfo.GetCultureInfo("en-US"));
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private static string JoinAddress(string? addr, string? city, string? state, string? zip)
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{
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var cityLine = string.Join(", ",
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new[] { city, string.Join(" ", new[] { state, zip }.Where(s => !string.IsNullOrWhiteSpace(s))) }
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.Where(s => !string.IsNullOrWhiteSpace(s)));
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return string.Join(" ", new[] { addr, cityLine }.Where(s => !string.IsNullOrWhiteSpace(s)));
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}
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}
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