test creating excel report from inventory table

server/handler/reportDownload.go

@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"vctp/internal/report"
+)
+
+func (h *Handler) ReportDownload(w http.ResponseWriter, r *http.Request) {
+
+	ctx := context.Background()
+
+	// Generate the XLSX report
+	reportData, err := report.CreateReport(h.Logger, h.Database, ctx)
+	if err != nil {
+		h.Logger.Error("Failed to create report", "error", err)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusInternalServerError)
+		json.NewEncoder(w).Encode(map[string]string{
+			"status":  "ERROR",
+			"message": fmt.Sprintf("Unable to create xlsx report: '%s'", err),
+		})
+		return
+	}
+
+	// Set HTTP headers to indicate file download
+	w.Header().Set("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
+	w.Header().Set("Content-Disposition", `attachment; filename="inventory_report.xlsx"`)
+	w.Header().Set("File-Name", "inventory_report.xlsx")
+
+	// Write the XLSX file to the HTTP response
+	w.Write(reportData)
+}