From 7c84c0858fef89a21ef542b65abad8b55c7459f8 Mon Sep 17 00:00:00 2001
From: cclohmar <claus.lohmar@lohmar.co.uk>
Date: Wed, 17 Jun 2026 12:54:16 +0000
Subject: [PATCH] chore: add totals row to PDF reports (local + converted
 currency)

---
 internal/handlers/file.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/internal/handlers/file.go b/internal/handlers/file.go
index 4cb7bf6..1f2987a 100644
--- a/internal/handlers/file.go
+++ b/internal/handlers/file.go
@@ -700,6 +700,7 @@ func generatePDF(eventName string, expenses []database.Expense, userName, userDe
 	// Table data rows with item numbers and automatic page breaks.
 	pdf.SetFont("Helvetica", "", 9)
 	marginBottom := 20.0 // mm margin from bottom before page break
+	var totalOrig, totalConv float64
 	for i, exp := range expenses {
 		// Check if we need a page break (A4 = 297mm height).
 		if pdf.GetY() > 297-marginBottom {
@@ -722,6 +723,8 @@ func generatePDF(eventName string, expenses []database.Expense, userName, userDe
 			pdf.Cell(colWidths[5], 8, fmt.Sprintf("%.2f", exp.ConvertedAmount))
 			pdf.Cell(colWidths[6], 8, exp.BaseCurrency)
 			pdf.Cell(colWidths[7], 8, truncateString(exp.Category, 12))
+			totalOrig += exp.Amount
+			totalConv += exp.ConvertedAmount
 		} else {
 			pdf.Cell(colWidths[0], 8, fmt.Sprintf("%d", itemNum))
 			pdf.Cell(colWidths[1], 8, exp.Date)
@@ -729,10 +732,35 @@ func generatePDF(eventName string, expenses []database.Expense, userName, userDe
 			pdf.Cell(colWidths[3], 8, fmt.Sprintf("%.2f", exp.Amount))
 			pdf.Cell(colWidths[4], 8, exp.Currency)
 			pdf.Cell(colWidths[5], 8, truncateString(exp.Category, 20))
+			totalOrig += exp.Amount
 		}
 		pdf.Ln(8)
 	}
 
+	// Totals row with a separator line.
+	pdf.SetDrawColor(71, 85, 105) // #475569 border colour
+	pdf.Line(10, pdf.GetY()+1, 200, pdf.GetY()+1)
+	pdf.Ln(3)
+	pdf.SetFont("Helvetica", "B", 9)
+	if hasConversion {
+		// Local currency total
+		pdf.Cell(colWidths[0], 8, "")
+		pdf.Cell(colWidths[1], 8, "")
+		pdf.Cell(colWidths[2], 8, "TOTAL")
+		pdf.Cell(colWidths[3], 8, fmt.Sprintf("%.2f", totalOrig))
+		pdf.Cell(colWidths[4], 8, "")
+		pdf.Cell(colWidths[5], 8, fmt.Sprintf("%.2f", totalConv))
+		pdf.Cell(colWidths[6], 8, "")
+		pdf.Cell(colWidths[7], 8, "")
+	} else {
+		pdf.Cell(colWidths[0], 8, "")
+		pdf.Cell(colWidths[1], 8, "")
+		pdf.Cell(colWidths[2], 8, "TOTAL")
+		pdf.Cell(colWidths[3], 8, fmt.Sprintf("%.2f", totalOrig))
+		pdf.Cell(colWidths[4], 8, "")
+		pdf.Cell(colWidths[5], 8, "")
+	}
+
 	// Write the PDF document to a memory buffer.
 	var buf bytes.Buffer
 	if err := pdf.Output(&buf); err != nil {