Pdf Download - Gr 3108 Core

showMessage('✅ Download started.', 'success'); catch (err) console.error(err); showMessage(`❌ Failed: $err.message`, 'error'); finally toggleUI(false); ;

bp = Blueprint("download", __name__)

const toggleUI = (busy) => btn.disabled = busy; spinner.classList.toggle('d-none', !busy); btnText.textContent = busy ? 'Downloading…' : 'Download PDF'; ; gr 3108 core pdf download

The solution is broken into three layers: showMessage('✅ Download started

# OPTIONAL: clean‑up tasks after response is sent @after_this_request def add_custom_headers(r): # Example: custom analytics header r.headers["X-Download-Id"] = request.headers.get("X-Request-ID", "N/A") return r showMessage('✅ Download started.'

document.addEventListener('DOMContentLoaded', () => const btn = document.getElementById('downloadBtn'); const btnText = document.getElementById('btnText'); const spinner = document.getElementById('spinner'); const msgBox = document.getElementById('downloadMsg');