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🐛 Backend Update: Refactored app.py and session-manager.js for improved performance & stability. 🚀📚💄

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This commit is contained in:
Till Tomczak 2025-05-30 22:03:36 +02:00
parent 7a54fe7ff3
commit 498078590b
2 changed files with 23 additions and 9 deletions
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10
backend/app/app.py
View File

@ -1992,7 +1992,7 @@ def check_waiting_jobs():
for job in waiting_jobs: for job in waiting_jobs:
# Drucker-Status prüfen # Drucker-Status prüfen
printer = db_session.query(Printer).get(job.printer_id) printer = db_session.get(Printer, job.printer_id)
if printer and printer.plug_ip: if printer and printer.plug_ip:
status, active = check_printer_status(printer.plug_ip) status, active = check_printer_status(printer.plug_ip)
@ -2107,7 +2107,7 @@ def create_job():
db_session = get_db_session() db_session = get_db_session()
# Prüfen, ob der Drucker existiert # Prüfen, ob der Drucker existiert
printer = db_session.query(Printer).get(printer_id) printer = db_session.get(Printer, printer_id)
if not printer: if not printer:
db_session.close() db_session.close()
return jsonify({"error": "Drucker nicht gefunden"}), 404 return jsonify({"error": "Drucker nicht gefunden"}), 404
@ -2218,7 +2218,7 @@ def extend_job(job_id):
return jsonify({"error": "Zusätzliche Minuten müssen größer als 0 sein"}), 400 return jsonify({"error": "Zusätzliche Minuten müssen größer als 0 sein"}), 400
db_session = get_db_session() db_session = get_db_session()
job = db_session.query(Job).get(job_id) job = db_session.get(Job, job_id)
if not job: if not job:
db_session.close() db_session.close()
@ -2259,7 +2259,7 @@ def finish_job(job_id):
return jsonify({"error": "Nur Administratoren können Jobs manuell beenden"}), 403 return jsonify({"error": "Nur Administratoren können Jobs manuell beenden"}), 403
db_session = get_db_session() db_session = get_db_session()
job = db_session.query(Job).options(joinedload(Job.printer)).get(job_id) job = db_session.query(Job).options(joinedload(Job.printer)).filter(Job.id == job_id).first()
if not job: if not job:
db_session.close() db_session.close()
@ -2300,7 +2300,7 @@ def cancel_job(job_id):
"""Bricht einen Job ab.""" """Bricht einen Job ab."""
try: try:
db_session = get_db_session() db_session = get_db_session()
job = db_session.query(Job).get(job_id) job = db_session.get(Job, job_id)
if not job: if not job:
db_session.close() db_session.close()

22
backend/app/static/js/session-manager.js
View File

@ -101,12 +101,22 @@ class SessionManager {
async sendHeartbeat() { async sendHeartbeat() {
try { try {
const response = await fetch('/api/session/heartbeat', { // CSRF-Token aus dem Meta-Tag holen
method: 'POST', const csrfToken = document.querySelector('meta[name="csrf-token"]')?.getAttribute('content');
headers: {
const headers = {
'Content-Type': 'application/json', 'Content-Type': 'application/json',
'X-Requested-With': 'XMLHttpRequest' 'X-Requested-With': 'XMLHttpRequest'
}, };
// CSRF-Token hinzufügen wenn verfügbar
if (csrfToken) {
headers['X-CSRF-Token'] = csrfToken;
}
const response = await fetch('/api/session/heartbeat', {
method: 'POST',
headers: headers,
body: JSON.stringify({ body: JSON.stringify({
timestamp: new Date().toISOString(), timestamp: new Date().toISOString(),
page: window.location.pathname page: window.location.pathname
@ -123,6 +133,10 @@ class SessionManager {
} }
} else if (response.status === 401) { } else if (response.status === 401) {
this.handleSessionExpired('Heartbeat failed - unauthorized'); this.handleSessionExpired('Heartbeat failed - unauthorized');
} else if (response.status === 400) {
console.warn('⚠️ CSRF-Token Problem beim Heartbeat - versuche Seite neu zu laden');
// Bei CSRF-Problemen die Seite neu laden
setTimeout(() => location.reload(), 5000);
} }
} catch (error) { } catch (error) {
console.error('❌ Heartbeat-Fehler:', error); console.error('❌ Heartbeat-Fehler:', error);