Gracefully Broken Pdf Download -

try: pdf = generate_pdf(data) return pdf except Exception as e: logger.error(f"PDF generation failed: str(e)") return jsonify( "success": False, "error": "code": "PDF_RENDER_ERROR", "message": "Report could not be assembled due to invalid data.", "recoverable": False, "userDataPreserved": True ), 200 # still 200 to avoid download interrupt If PDF fails, offer structured data export.

// Frontend / API validation example function validatePDFRequest(data) const issues = []; if (!data.content) issues.push("No content provided"); if (data.content?.length > 500_000) issues.push("Content too large (>500k chars)"); if (data.images?.some(img => img.size > 10_000_000)) issues.push("Image exceeds 10MB limit"); return issues; gracefully broken pdf download

// Normal PDF download const blob = await response.blob(); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = 'report.pdf'; a.click(); URL.revokeObjectURL(url); try: pdf = generate_pdf(data) return pdf except Exception

Content-Type: application/json

If the PDF library fails mid‑generation, catch and transform the error. "error": "code": "PDF_RENDER_ERROR"

"success": false, "error": "code": "PDF_GEN_FAILED", "message": "Could not render chart data: time series missing.", "recoverable": true, "suggestedAction": "retry", "userDataPreserved": true