New implementation of a nother scanning methode for ISBN

Web/app.py

@@ -25,6 +25,8 @@ from werkzeug.routing import BuildError
 from jinja2 import TemplateNotFound
 import os
 import sys
+from bs4 import BeautifulSoup
+import requests
 
 # Ensure imports work regardless of whether gunicorn starts in /app or /app/Web.
 _CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
@@ -9539,6 +9541,79 @@ def _fetch_from_open_library(clean_isbn):
         print(f"OpenLibrary Search error: {e}")
     return None
 
+def _fetch_from_isbn_de(clean_isbn):
+    """
+    Source 4: isbn.de (Web Scraping für deutsche Schulbücher)
+    Sehr gute Trefferquote für Klett, Cornelsen, Westermann etc.
+    """
+    try:
+        # Die URL leitet meist automatisch auf den richtigen Buch-Slug weiter
+        url = f"https://www.isbn.de/buch/{clean_isbn}"
+        
+        # Ein User-Agent ist wichtig, da Webseiten simple Python-Scripte oft blockieren
+        headers = {
+            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
+        }
+        
+        response = requests.get(url, headers=headers, timeout=5)
+        
+        if response.status_code != 200:
+            return None
+            
+        soup = BeautifulSoup(response.text, 'html.parser')
+        
+        # Prüfen, ob wirklich ein Buch gefunden wurde
+        # (isbn.de wirft manchmal keinen 404, sondern zeigt eine Suchseite ohne Treffer)
+        title_elem = soup.find('h1')
+        if not title_elem or "nicht gefunden" in title_elem.text.lower() or "Suche" in title_elem.text:
+            return None
+            
+        title = title_elem.text.strip()
+        
+        # isbn.de nutzt oft Schema.org Tags (itemprop), was das Auslesen sehr sicher macht
+        authors = "Unknown Author"
+        author_elem = soup.find(itemprop="author")
+        if author_elem:
+            authors = author_elem.text.strip()
+            
+        publisher = "Unknown Publisher"
+        publisher_elem = soup.find(itemprop="publisher")
+        if publisher_elem:
+            publisher = publisher_elem.text.strip()
+            
+        pub_date = "Unknown Date"
+        date_elem = soup.find(itemprop="datePublished")
+        if date_elem:
+            pub_date = date_elem.text.strip()
+            
+        description = "Keine Beschreibung verfügbar"
+        desc_elem = soup.find(itemprop="description")
+        if desc_elem:
+            description = desc_elem.text.strip()
+            
+        thumbnail = ""
+        img_elem = soup.find('img', itemprop="image")
+        if img_elem and 'src' in img_elem.attrs:
+            thumbnail = img_elem['src']
+            # Falls der Link relativ ist (z.B. /cover/...)
+            if thumbnail.startswith('/'):
+                thumbnail = "https://www.isbn.de" + thumbnail
+
+        return {
+            "title": title,
+            "authors": authors,
+            "publisher": publisher,
+            "publishedDate": pub_date,
+            "description": description,
+            "pageCount": "Unknown", # Seitenanzahl ist oft nicht standardisiert hinterlegt
+            "price": None,          
+            "thumbnail": thumbnail,
+            "source": "isbn-de"
+        }
+    except Exception as e:
+        print(f"isbn.de Scraping error: {e}")
+    return None
+
 @app.route('/fetch_book_info/<isbn>')
 def fetch_book_info(isbn):
     """
@@ -9562,6 +9637,7 @@ def fetch_book_info(isbn):
         providers = [
             _fetch_from_google_books,
             _fetch_from_lobid_germany,
+            _fetch_from_isbn_de,
             _fetch_from_open_library
         ]
 

Web/modules/database/termine.py

@@ -38,7 +38,7 @@ def _active_record_query(extra_query=None):
     return base_query
 
 
-def add(date_start: str, date_end: str, time_span: list, slots: int, slot_lenght: int, user: str, mail: list=[], note:str="", calendar_enabled: bool=False):
+def add(date_start: str, date_end: str, time_span: list, slots: int, slot_lenght: int, user: str, mail: list=[], note:str="", calendar_enabled: bool=False, title: str=""):
     try:
         client = MongoClient(cfg.MONGODB_HOST, cfg.MONGODB_PORT)
         db = _get_tenant_db(client)
@@ -53,6 +53,7 @@ def add(date_start: str, date_end: str, time_span: list, slots: int, slot_lenght
             'user': user,
             'mail': mail,
             'note': note,
+            'title': title,
             'calendar_enabled': bool(calendar_enabled),
             'slots_booked': [], # -> [(start_time, name), ...]the list gets there indexes as the slot 1-defined so is can be counted without an extra variable
             'Created': datetime.datetime.now(),

Web/requirements.txt

@@ -15,3 +15,4 @@ openpyxl
 cryptography>=42.0.0
 pywebpush
 py-vapid>=1.9.0
+beautifulsoup4

Web/templates/license.html

@@ -28,11 +28,10 @@
             <li class="nav-item" role="presentation">
                 <button class="nav-link" id="tab-legal" data-bs-toggle="tab" data-bs-target="#pane-legal"
                     type="button" role="tab">Rechtsgrundlage</button>
-            </li>
         </ul>
 
         <!-- ── NOTICE ────────────────────────────────────────────────────── -->
-        <div class="tab-pane fade" id="pane-notice" role="tabpanel">
+        <div class="tab-pane" id="pane-notice" role="tabpanel">
         <div class="license-content">
             <h2>NOTICE – Urheberrechtliche Hinweise</h2>
             <p><strong>Invario Modul Suite</strong><br>Copyright © 2026 Invario UG</p>
@@ -59,14 +58,14 @@
 
             <h4>Frontend / Laufzeit-Assets</h4>
             <ul>
-                <li>html5-qrcode (MIT) © 2020-2025 Manoj Brahmbhatt (mebjas)</li>
+                <li>quagga2 (MIT) © 2014 Christoph Oberhofer, © 2019 Eric Blade and contributors</li>
             </ul>
             <hr>
         </div>
         </div><!-- /#pane-notice -->
 
         <!-- ── DATENSCHUTZ ───────────────────────────────────────────────── -->
-        <div class="tab-pane fade" id="pane-privacy" role="tabpanel">
+        <div class="tab-pane" id="pane-privacy" role="tabpanel">
         <div class="license-content">
             <h2>Datenschutzerklärung (Privacy Policy)</h2>
 
@@ -108,7 +107,7 @@
         </div><!-- /#pane-privacy -->
 
         <!-- ── SICHERHEIT ────────────────────────────────────────────────── -->
-        <div class="tab-pane fade" id="pane-security" role="tabpanel">
+        <div class="tab-pane" id="pane-security" role="tabpanel">
         <div class="license-content">
             <h2>Sicherheitsrichtlinie (Security Policy)</h2>
 
@@ -129,7 +128,7 @@
         </div><!-- /#pane-security -->
 
         <!-- ── DATENVERARBEITUNG ─────────────────────────────────────────── -->
-        <div class="tab-pane fade" id="pane-data" role="tabpanel">
+        <div class="tab-pane" id="pane-data" role="tabpanel">
         <div class="license-content">
             <h2>Dokumentation der Datenverarbeitung (VVT)</h2>
 
@@ -157,7 +156,7 @@
         </div><!-- /#pane-data -->
 
         <!-- ── RECHTSGRUNDLAGE ───────────────────────────────────────────── -->
-        <div class="tab-pane fade" id="pane-legal" role="tabpanel">
+        <div class="tab-pane" id="pane-legal" role="tabpanel">
         <div class="license-content">
             <h2>Rechtsgrundlage der Nutzung</h2>
             <p>Um das Inventarsystem DSGVO-konform zu betreiben, muss der Betreiber eine der folgenden Grundlagen festlegen:</p>
@@ -170,9 +169,6 @@
                     Einwilligung vorliegen (Art. 6 Abs. 1 lit. a DSGVO).</li>
             </ol>
         </div>
-        </div><!-- /#pane-legal -->
-
-        </div><!-- /.tab-content -->
     </div>
 </div>
 

Web/templates/termin_client.html

@@ -43,7 +43,7 @@
                     <div class="card border-0 shadow-lg rounded-4 h-100">
                         <div class="card-body p-4 p-md-5">
                             <p class="text-uppercase text-muted fw-semibold mb-2">Terminplaner</p>
-                            <h1 class="h3 fw-bold mb-3">Termin buchen</h1>
+                            <h1 class="h3 fw-bold mb-3">Termin buchen - {{ available.title }}</h1>
                             <p class="text-muted mb-4">Wählen Sie im Kalender einen freien Slot aus. Den gewählten Termin können Sie danach direkt wie in einem Kalender-Block verschieben.</p>
 
                             <div class="p-3 rounded-3 bg-light mb-3">

requirements.txt

@@ -15,3 +15,4 @@ openpyxl
 cryptography>=42.0.0
 pywebpush
 py-vapid>=1.9.0
+beautifulsoup4