Version 1.2.17: Optimierte Datenbankverbindungen und verbesserte Indizes

CHANGELOG.md

@@ -5,6 +5,30 @@ Alle wichtigen Änderungen an diesem Projekt werden in dieser Datei dokumentiert
 Das Format basiert auf [Keep a Changelog](https://keepachangelog.com/de/1.0.0/),
 und dieses Projekt adhäriert zu [Semantic Versioning](https://semver.org/lang/de/).
 
+## [Unreleased]
+### Hinzugefügt
+- CSV-Export-Funktion für Suchergebnisse
+- Export-Button in der Benutzeroberfläche
+- Automatische Formatierung der CSV-Datei mit allen relevanten Kundendaten
+
+## [1.2.17] - 2024-03-19
+### Geändert
+- Optimierte Datenbankverbindungen für bessere Thread-Sicherheit
+- Verbesserte Datenbankindizes für schnellere Suchen
+- Verbesserte Fehlerbehandlung bei Datenbankoperationen
+
+## [1.2.16] - 2024-03-21
+### Geändert
+- Verbesserte Suchfunktion: Highlighting für allgemeine Suche in allen Feldern
+- Optimierte Reset-Buttons in den Suchfeldern
+- Verbesserte CSS-Styles für die Suchfeld-Icons
+
+## [1.2.15] - 2024-03-20
+### Hinzugefügt
+- Autovervollständigung für das Ort-Feld
+- Neue API-Route für Ortsvorschläge
+- Optimierte SQL-Abfragen für die Ortssuche
+
 ## [1.2.14] - 2024-03-20
 ### Hinzugefügt
 - Autovervollständigung für das Fachrichtungsfeld

README.md

@@ -1,6 +1,6 @@
-# Medi-Customers
+# medisoftware Kundensuche
 
-Eine moderne Webanwendung zur Suche und Verwaltung von Kundendaten, die MEDISOFT und MEDICONSULT Daten kombiniert.
+Eine einfache und effiziente Kundensuche für medisoftware Kunden.
 
 ## Features
 
@@ -14,7 +14,7 @@ Eine moderne Webanwendung zur Suche und Verwaltung von Kundendaten, die MEDISOFT
 
 ## Version
 
-Aktuelle Version: 1.2.14
+Aktuelle Version: 1.2.16
 
 ## Installation
 

app.py

@@ -5,61 +5,48 @@ import logging
 import numpy as np
 from datetime import datetime, timedelta
 from dotenv import load_dotenv
-import requests
-from collections import defaultdict
-import ipaddress
-import csv
 import sqlite3
 from functools import wraps
+from contextlib import contextmanager
+import time
+import threading
 
 app = Flask(__name__, static_folder='static')
-app.secret_key = os.getenv('SECRET_KEY', 'default-secret-key')
+app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY', 'dev')
+app.config['ALLOWED_IP_RANGES'] = os.getenv('ALLOWED_IP_RANGES', '192.168.0.0/16,10.0.0.0/8').split(',')
+app.config['VERSION'] = '1.2.17'
+app.config['DATABASE'] = 'data/customers.db'
+app.config['DATABASE_TIMEOUT'] = 20
+app.config['DATABASE_POOL_SIZE'] = 5
+
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
-# Version der Anwendung
-VERSION = "1.2.14"
-
-# Pfad zur Datenbank
-DB_FILE = 'data/customers.db'
-
-# Lade Umgebungsvariablen
-load_dotenv()
-
-# Statisches Passwort aus der .env Datei
-STATIC_PASSWORD = os.getenv('LOGIN_PASSWORD', 'default-password')
-ALLOWED_IP_RANGES = os.getenv('ALLOWED_IP_RANGES', '').split(',')
-
-def isIPInSubnet(ip, subnet):
-    """Überprüft, ob eine IP-Adresse in einem Subnetz liegt."""
-    try:
-        # Teile die IP und das Subnetz in ihre Komponenten
-        subnet_ip, bits = subnet.split('/')
-        ip_parts = [int(x) for x in ip.split('.')]
-        subnet_parts = [int(x) for x in subnet_ip.split('.')]
-        
-        # Konvertiere IPs in 32-bit Zahlen
-        ip_num = (ip_parts[0] << 24) | (ip_parts[1] << 16) | (ip_parts[2] << 8) | ip_parts[3]
-        subnet_num = (subnet_parts[0] << 24) | (subnet_parts[1] << 16) | (subnet_parts[2] << 8) | subnet_parts[3]
-        
-        # Erstelle die Subnetzmaske
-        mask = ~((1 << (32 - int(bits))) - 1)
-        
-        # Prüfe, ob die IP im Subnetz liegt
-        return (ip_num & mask) == (subnet_num & mask)
-    except Exception as e:
-        logger.error(f"Fehler bei der IP-Überprüfung: {str(e)}")
-        return False
+# Thread-lokaler Speicher für Datenbankverbindungen
+thread_local = threading.local()
 
 def get_db_connection():
-    """Erstellt eine neue Datenbankverbindung mit Timeout"""
-    conn = sqlite3.connect(DB_FILE, timeout=20)
-    conn.row_factory = sqlite3.Row
-    return conn
+    """Erstellt eine neue Datenbankverbindung für den aktuellen Thread"""
+    if not hasattr(thread_local, "connection"):
+        thread_local.connection = sqlite3.connect(app.config['DATABASE'], timeout=app.config['DATABASE_TIMEOUT'])
+        thread_local.connection.row_factory = sqlite3.Row
+    return thread_local.connection
+
+@contextmanager
+def get_db():
+    """Context Manager für Datenbankverbindungen"""
+    conn = get_db_connection()
+    try:
+        yield conn
+    except Exception:
+        conn.rollback()
+        raise
+    finally:
+        conn.commit()
 
 def init_db():
     """Initialisiert die SQLite-Datenbank mit der notwendigen Tabelle."""
-    conn = get_db_connection()
+    with get_db() as conn:
         c = conn.cursor()
         
         try:
@@ -86,36 +73,45 @@ def init_db():
                 )
             ''')
             
-        # Erstelle Indizes für alle Suchfelder
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_nummer ON customers(nummer)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_name ON customers(name)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_strasse ON customers(strasse)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_plz ON customers(plz)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_ort ON customers(ort)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_telefon ON customers(telefon)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_mobil ON customers(mobil)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_email ON customers(email)')
+            # Optimierte Indizes für die häufigsten Suchanfragen
+            c.execute('CREATE INDEX IF NOT EXISTS idx_customers_name_ort ON customers(name, ort)')
             c.execute('CREATE INDEX IF NOT EXISTS idx_customers_fachrichtung ON customers(fachrichtung)')
             c.execute('CREATE INDEX IF NOT EXISTS idx_customers_tag ON customers(tag)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_handy ON customers(handy)')
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_tele_firma ON customers(tele_firma)')
+            c.execute('CREATE INDEX IF NOT EXISTS idx_customers_plz ON customers(plz)')
             
-        # Erstelle einen zusammengesetzten Index für die häufigste Suchkombination
-        c.execute('CREATE INDEX IF NOT EXISTS idx_customers_name_ort ON customers(name, ort)')
+            # Zusammengesetzter Index für die häufigste Suchkombination
+            c.execute('CREATE INDEX IF NOT EXISTS idx_customers_search ON customers(name, ort, fachrichtung, tag)')
             
-        conn.commit()
             logger.info('Datenbank initialisiert')
         except Exception as e:
             logger.error(f'Fehler bei der Datenbankinitialisierung: {str(e)}')
             raise
-    finally:
-        conn.close()
+
+def isIPInSubnet(ip, subnet):
+    """Überprüft, ob eine IP-Adresse in einem Subnetz liegt."""
+    try:
+        # Teile die IP und das Subnetz in ihre Komponenten
+        subnet_ip, bits = subnet.split('/')
+        ip_parts = [int(x) for x in ip.split('.')]
+        subnet_parts = [int(x) for x in subnet_ip.split('.')]
+        
+        # Konvertiere IPs in 32-bit Zahlen
+        ip_num = (ip_parts[0] << 24) | (ip_parts[1] << 16) | (ip_parts[2] << 8) | ip_parts[3]
+        subnet_num = (subnet_parts[0] << 24) | (subnet_parts[1] << 16) | (subnet_parts[2] << 8) | subnet_parts[3]
+        
+        # Erstelle die Subnetzmaske
+        mask = ~((1 << (32 - int(bits))) - 1)
+        
+        # Prüfe, ob die IP im Subnetz liegt
+        return (ip_num & mask) == (subnet_num & mask)
+    except Exception as e:
+        logger.error(f"Fehler bei der IP-Überprüfung: {str(e)}")
+        return False
 
 def import_csv():
     """Importiert die CSV-Datei in die Datenbank"""
-    conn = None
     try:
-        conn = get_db_connection()
+        with get_db() as conn:
             c = conn.cursor()
             
             # Lösche bestehende Daten
@@ -128,18 +124,24 @@ def import_csv():
                 df.columns = df.columns.str.strip().str.replace('"', '')
                 df = df.apply(lambda x: x.str.strip().str.replace('"', '') if x.dtype == "object" else x)
                 
-            for _, row in df.iterrows():
-                c.execute('''
+                # Filtere Datensätze mit Fachrichtung "intern"
+                df = df[df['Fachrichtung'].str.lower() != 'intern']
+                
+                # Bereite die Daten für den Batch-Insert vor
+                data = [(
+                    row['VorNachname'], row['Nummer'], row['Strasse'], row['PLZ'], row['Ort'], 
+                    row['Tel'], row['Tel'], row['mail'], row['Fachrichtung'], 'medisoft',
+                    row['Handy'], row['Tele Firma'], row['Kontakt1'], row['Kontakt2'], row['Kontakt3']
+                ) for _, row in df.iterrows()]
+                
+                # Führe Batch-Insert durch
+                c.executemany('''
                     INSERT INTO customers (
                         name, nummer, strasse, plz, ort, telefon, mobil, email, 
                         fachrichtung, tag, handy, tele_firma, kontakt1, kontakt2, kontakt3
                     )
                     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-                ''', (
-                    row['VorNachname'], row['Nummer'], row['Strasse'], row['PLZ'], row['Ort'], 
-                    row['Tel'], row['Tel'], row['mail'], row['Fachrichtung'], 'medisoft',
-                    row['Handy'], row['Tele Firma'], row['Kontakt1'], row['Kontakt2'], row['Kontakt3']
-                ))
+                ''', data)
             else:
                 logger.warning("MEDISOFT CSV-Datei nicht gefunden")
             
@@ -150,33 +152,31 @@ def import_csv():
                 df_snk.columns = df_snk.columns.str.strip().str.replace('"', '')
                 df_snk = df_snk.apply(lambda x: x.str.strip().str.replace('"', '') if x.dtype == "object" else x)
                 
-            for _, row in df_snk.iterrows():
-                c.execute('''
+                # Filtere Datensätze mit Fachrichtung "intern"
+                df_snk = df_snk[df_snk['Fachrichtung'].str.lower() != 'intern']
+                
+                # Bereite die Daten für den Batch-Insert vor
+                data = [(
+                    row['VorNachname'], row['Nummer'], row['Strasse'], row['PLZ'], row['Ort'], 
+                    row['Tel'], row['Tel'], row['mail'], row['Fachrichtung'], 'mediconsult',
+                    row['Handy'], row['Tele Firma'], row['Kontakt1'], row['Kontakt2'], row['Kontakt3']
+                ) for _, row in df_snk.iterrows()]
+                
+                # Führe Batch-Insert durch
+                c.executemany('''
                     INSERT INTO customers (
                         name, nummer, strasse, plz, ort, telefon, mobil, email, 
                         fachrichtung, tag, handy, tele_firma, kontakt1, kontakt2, kontakt3
                     )
                     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-                ''', (
-                    row['VorNachname'], row['Nummer'], row['Strasse'], row['PLZ'], row['Ort'], 
-                    row['Tel'], row['Tel'], row['mail'], row['Fachrichtung'], 'mediconsult',
-                    row['Handy'], row['Tele Firma'], row['Kontakt1'], row['Kontakt2'], row['Kontakt3']
-                ))
+                ''', data)
             else:
                 logger.warning("MEDICONSULT CSV-Datei nicht gefunden")
             
-        conn.commit()
             logger.info("CSV-Daten erfolgreich in die Datenbank importiert")
     except Exception as e:
         logger.error(f"Fehler beim Importieren der CSV-Datei: {str(e)}")
         raise
-    finally:
-        if conn:
-            conn.close()
-
-def clean_dataframe(df):
-    """Konvertiert NaN-Werte in None für JSON-Kompatibilität"""
-    return df.replace({np.nan: None})
 
 @app.route('/login', methods=['GET', 'POST'])
 def login():
@@ -184,7 +184,7 @@ def login():
     client_ip = request.headers.get('X-Forwarded-For', request.remote_addr)
     
     # Überprüfe, ob die Client-IP in einem der erlaubten Bereichen liegt
-    is_allowed = any(isIPInSubnet(client_ip, range.strip()) for range in ALLOWED_IP_RANGES if range.strip())
+    is_allowed = any(isIPInSubnet(client_ip, range.strip()) for range in app.config['ALLOWED_IP_RANGES'] if range.strip())
     
     if is_allowed:
         logger.info(f"Client-IP {client_ip} ist in einem erlaubten Bereich, automatischer Login")
@@ -213,8 +213,8 @@ def index():
     
     client_ip = request.headers.get('X-Forwarded-For', request.remote_addr)
     logger.info(f"Client-IP: {client_ip}")
-    logger.info(f"Erlaubte IP-Bereiche: {ALLOWED_IP_RANGES}")
-    return render_template('index.html', allowed_ip_ranges=','.join(ALLOWED_IP_RANGES), version=VERSION)
+    logger.info(f"Erlaubte IP-Bereiche: {app.config['ALLOWED_IP_RANGES']}")
+    return render_template('index.html', allowed_ip_ranges=','.join(app.config['ALLOWED_IP_RANGES']), version=app.config['VERSION'])
 
 @app.route('/search', methods=['GET', 'POST'])
 def search():
@@ -235,7 +235,7 @@ def search():
             fachrichtung = request.args.get('fachrichtung', '')
             tag = request.args.get('tag', 'medisoft')
             
-        conn = get_db_connection()
+        with get_db() as conn:
             c = conn.cursor()
             
             # Baue die SQL-Abfrage
@@ -316,9 +316,8 @@ def search():
             sql_query += " ORDER BY name LIMIT 100"
             
             # Führe die Abfrage aus
-        cursor = conn.cursor()
-        cursor.execute(sql_query, params)
-        results = cursor.fetchall()
+            c.execute(sql_query, params)
+            results = c.fetchall()
             
             formatted_results = []
             for row in results:
@@ -341,7 +340,6 @@ def search():
                 }
                 formatted_results.append(customer)
                 
-        conn.close()
             return jsonify(formatted_results)
             
     except Exception as e:
@@ -352,7 +350,7 @@ def search():
 def get_fachrichtungen():
     try:
         search_term = request.args.get('q', '').lower()
-        conn = get_db_connection()
+        with get_db() as conn:
             c = conn.cursor()
             
             # Hole alle eindeutigen Fachrichtungen, die mit dem Suchbegriff übereinstimmen
@@ -367,13 +365,35 @@ def get_fachrichtungen():
             ''', (f'%{search_term}%',))
             
             fachrichtungen = [row[0] for row in c.fetchall()]
-        conn.close()
-        
             return jsonify(fachrichtungen)
     except Exception as e:
         logger.error(f"Fehler beim Abrufen der Fachrichtungen: {str(e)}")
         return jsonify([])
 
+@app.route('/api/orte')
+def get_orte():
+    try:
+        search_term = request.args.get('q', '').lower()
+        with get_db() as conn:
+            c = conn.cursor()
+            
+            # Hole alle eindeutigen Orte, die mit dem Suchbegriff übereinstimmen
+            c.execute('''
+                SELECT DISTINCT ort 
+                FROM customers 
+                WHERE ort IS NOT NULL 
+                AND ort != ''
+                AND LOWER(ort) LIKE ?
+                ORDER BY ort
+                LIMIT 10
+            ''', (f'%{search_term}%',))
+            
+            orte = [row[0] for row in c.fetchall()]
+            return jsonify(orte)
+    except Exception as e:
+        logger.error(f"Fehler beim Abrufen der Orte: {str(e)}")
+        return jsonify([])
+
 def init_app(app):
     """Initialisiert die Anwendung mit allen notwendigen Einstellungen."""
     with app.app_context():
@@ -382,10 +402,10 @@ def init_app(app):
             os.makedirs('data', exist_ok=True)
             
             # Lösche die alte Datenbank, falls sie existiert
-            if os.path.exists(DB_FILE):
+            if os.path.exists(app.config['DATABASE']):
                 try:
-                    os.remove(DB_FILE)
-                    logger.info(f"Alte Datenbank {DB_FILE} wurde gelöscht")
+                    os.remove(app.config['DATABASE'])
+                    logger.info(f"Alte Datenbank {app.config['DATABASE']} wurde gelöscht")
                 except Exception as e:
                     logger.error(f"Fehler beim Löschen der alten Datenbank: {str(e)}")
             

static/css/style.css

@@ -1,24 +0,0 @@
-.result-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    margin-bottom: 10px;
-}
-
-.result-tag {
-    padding: 4px 8px;
-    border-radius: 4px;
-    font-size: 0.9em;
-    font-weight: 500;
-    text-transform: uppercase;
-}
-
-.tag-medisoft {
-    background-color: #e3f2fd;
-    color: #1976d2;
-}
-
-.tag-mediconsult {
-    background-color: #f3e5f5;
-    color: #7b1fa2;
-} 

static/css/styles.css

@@ -151,6 +151,36 @@ body {
     position: relative;
 }
 
+.reset-icon {
+    position: absolute;
+    right: 40px;
+    top: 50%;
+    transform: translateY(-50%);
+    cursor: pointer;
+    color: #6c757d;
+    z-index: 10;
+    padding: 0.375rem;
+    display: none;
+}
+
+.input-group input:not(:placeholder-shown) + .reset-icon {
+    display: block;
+}
+
+.reset-icon:hover {
+    color: #dc3545;
+}
+
+.search-icon {
+    position: absolute;
+    right: 10px;
+    top: 50%;
+    transform: translateY(-50%);
+    color: #6c757d;
+    z-index: 10;
+    padding: 0.375rem;
+}
+
 .result-counts {
     display: flex;
     justify-content: center;
@@ -182,18 +212,78 @@ body {
 .customer-card {
     background: white;
     border-radius: 8px;
-    padding: 1.5rem;
-    margin-bottom: 1.5rem;
-    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
-    border-bottom: 1px solid #e9ecef;
-}
-
-.customer-card:last-child {
-    border-bottom: none;
-}
-
-.customer-info {
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
     margin-bottom: 1rem;
+    padding: 1rem;
+}
+
+.customer-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-start;
+    margin-bottom: 0.5rem;
+}
+
+.customer-name {
+    margin: 0;
+    font-size: 1.2rem;
+    color: #333;
+}
+
+.customer-actions {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+}
+
+.customer-details {
+    font-size: 0.9rem;
+    color: #666;
+}
+
+.customer-details p {
+    margin: 0.25rem 0;
+}
+
+.customer-details strong {
+    color: #333;
+}
+
+.phone-link, .email-link, .customer-link {
+    color: #007bff;
+    text-decoration: none;
+}
+
+.phone-link:hover, .email-link:hover, .customer-link:hover {
+    text-decoration: underline;
+}
+
+.address-text {
+    margin-right: 0.5rem;
+}
+
+.address-link, .route-link {
+    color: #6c757d;
+    text-decoration: none;
+    margin-left: 0.5rem;
+}
+
+.address-link:hover, .route-link:hover {
+    color: #343a40;
+}
+
+.location-pin, .route-pin {
+    font-size: 0.9rem;
+}
+
+.badge {
+    font-size: 0.8rem;
+    padding: 0.35em 0.65em;
+}
+
+.btn-sm {
+    padding: 0.25rem 0.5rem;
+    font-size: 0.875rem;
 }
 
 .footer-content {
@@ -272,22 +362,26 @@ body {
     background-color: #ff9800;
 }
 
-/* Adress-Links */
-.address-text {
-    margin-right: 5px;
+.autocomplete-items {
+    position: absolute;
+    border: 1px solid #d4d4d4;
+    border-top: none;
+    z-index: 99;
+    top: 100%;
+    left: 0;
+    right: 0;
+    background-color: white;
+    max-height: 200px;
+    overflow-y: auto;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
 }
 
-.address-link, .route-link {
-    color: #666;
-    text-decoration: none;
-    margin-left: 5px;
-    transition: color 0.2s;
+.autocomplete-items div {
+    padding: 8px 12px;
+    cursor: pointer;
+    background-color: white;
 }
 
-.address-link:hover, .route-link:hover {
-    color: #0d6efd;
-}
-
-.location-pin, .route-pin {
-    font-size: 1.1em;
+.autocomplete-items div:hover {
+    background-color: #f8f9fa;
 } 

static/js/main.js

@@ -0,0 +1,512 @@
+let searchTimeout;
+let lastResults = [];
+let fachrichtungTimeout;
+let ortTimeout;
+let currentPage = 1;
+let totalPages = 1;
+let currentResults = [];
+let currentSearchQuery = '';
+let currentFilters = {
+    fachrichtung: '',
+    plz: '',
+    ort: ''
+};
+
+function createPhoneLink(phone) {
+    if (!phone) return '';
+    
+    const clientIP = document.querySelector('meta[name="client-ip"]').content;
+    const allowedIPRanges = document.querySelector('meta[name="allowed-ip-ranges"]').content.split(',');
+    
+    // Überprüfen, ob die Client-IP in einem der erlaubten Bereiche liegt
+    const isAllowed = allowedIPRanges.some(range => isIPInSubnet(clientIP, range.trim()));
+    
+    // Entferne alle nicht-numerischen Zeichen
+    let cleanNumber = phone.replace(/\D/g, '');
+    
+    // Formatiere die Nummer
+    let formattedNumber = cleanNumber;
+    if (cleanNumber.length === 11) {
+        formattedNumber = cleanNumber.replace(/(\d{4})(\d{7})/, '$1-$2');
+    } else if (cleanNumber.length === 10) {
+        formattedNumber = cleanNumber.replace(/(\d{3})(\d{7})/, '$1-$2');
+    }
+    
+    // Erstelle den Link
+    return `<a href="tel:${cleanNumber}" class="phone-link">${formattedNumber}</a>`;
+}
+
+function createEmailLink(email) {
+    if (!email) return '';
+    return `<a href="mailto:${email}" class="email-link">${email}</a>`;
+}
+
+function highlightText(text, searchTerm) {
+    if (!searchTerm || !text) return text;
+    
+    // Teile den Suchbegriff in einzelne Wörter
+    const searchWords = searchTerm.split(/\s+/).filter(word => word.length > 0);
+    
+    // Wenn keine Wörter gefunden wurden, gebe den ursprünglichen Text zurück
+    if (searchWords.length === 0) return text;
+    
+    // Erstelle einen regulären Ausdruck für alle Suchwörter
+    const regexPattern = searchWords
+        .map(word => word.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))
+        .join('|');
+    
+    // Erstelle den regulären Ausdruck
+    const regex = new RegExp(`(${regexPattern})`, 'gi');
+    
+    // Ersetze alle Übereinstimmungen mit mark-Tags
+    return text.replace(regex, '<mark>$1</mark>');
+}
+
+function createAddressLink(street, plz, city) {
+    if (!street || !plz || !city) return '';
+    const address = `${street}, ${plz} ${city}`;
+    const searchQuery = encodeURIComponent(address);
+    const routeQuery = encodeURIComponent(address);
+    return `<span class="address-text">${address}</span>
+            <a href="https://www.google.com/maps/search/?api=1&query=${searchQuery}" 
+            class="address-link" target="_blank" rel="noopener noreferrer">
+            <i class="fa-solid fa-location-dot location-pin"></i>
+           </a>
+           <a href="https://www.google.com/maps/dir/?api=1&destination=${routeQuery}" 
+           class="route-link" target="_blank" rel="noopener noreferrer">
+           <i class="fa-solid fa-route route-pin"></i>
+           </a>`;
+}
+
+function adjustCustomerNumber(number) {
+    return number - 12000;
+}
+
+function isIPInSubnet(ip, subnet) {
+    // Teile die IP und das Subnetz in ihre Komponenten
+    const [subnetIP, bits] = subnet.split('/');
+    const ipParts = ip.split('.').map(Number);
+    const subnetParts = subnetIP.split('.').map(Number);
+    
+    // Konvertiere IPs in 32-bit Zahlen
+    const ipNum = (ipParts[0] << 24) | (ipParts[1] << 16) | (ipParts[2] << 8) | ipParts[3];
+    const subnetNum = (subnetParts[0] << 24) | (subnetParts[1] << 16) | (subnetParts[2] << 8) | subnetParts[3];
+    
+    // Erstelle die Subnetzmaske
+    const mask = ~((1 << (32 - bits)) - 1);
+    
+    // Prüfe, ob die IP im Subnetz liegt
+    return (ipNum & mask) === (subnetNum & mask);
+}
+
+function createCustomerLink(nummer) {
+    const clientIP = document.querySelector('meta[name="client-ip"]').content;
+    const allowedIPRanges = document.querySelector('meta[name="allowed-ip-ranges"]').content.split(',');
+    
+    // Überprüfe, ob die Client-IP in einem der erlaubten Bereiche liegt
+    const isAllowed = allowedIPRanges.some(range => {
+        const trimmedRange = range.trim();
+        return isIPInSubnet(clientIP, trimmedRange);
+    });
+    
+    if (isAllowed) {
+        const adjustedNumber = adjustCustomerNumber(nummer);
+        return `<a href="medisw:openkkbefe/P${adjustedNumber}?NetGrp=4" class="customer-link">${nummer}</a>`;
+    } else {
+        return nummer;
+    }
+}
+
+function showCopyFeedback() {
+    const feedback = document.getElementById('shareFeedback');
+    feedback.style.display = 'block';
+    feedback.style.opacity = '1';
+    
+    feedback.addEventListener('animationend', () => {
+        feedback.style.display = 'none';
+    }, { once: true });
+}
+
+async function copyCustomerLink(customerNumber) {
+    const url = new URL(window.location.href);
+    url.searchParams.set('kundennummer', customerNumber);
+    
+    try {
+        await navigator.clipboard.writeText(url.toString());
+        showCopyFeedback();
+    } catch (err) {
+        // Fehlerbehandlung ohne console.log
+    }
+}
+
+function updateResultCounts() {
+    const resultCount = document.getElementById('result-count');
+    const exportButton = document.getElementById('exportButton');
+    
+    if (lastResults && lastResults.length > 0) {
+        resultCount.textContent = `${lastResults.length} Ergebnisse gefunden`;
+        resultCount.style.display = 'inline';
+        exportButton.style.display = 'inline-block';
+    } else {
+        resultCount.textContent = '';
+        resultCount.style.display = 'none';
+        exportButton.style.display = 'none';
+    }
+}
+
+function exportToCSV() {
+    if (!lastResults || lastResults.length === 0) return;
+    
+    // CSV-Header definieren
+    const headers = [
+        'Nummer',
+        'Name',
+        'Fachrichtung',
+        'Straße',
+        'PLZ',
+        'Ort',
+        'Telefon',
+        'Mobil',
+        'Handy',
+        'Telefon Firma',
+        'E-Mail',
+        'Kontakt 1',
+        'Kontakt 2',
+        'Kontakt 3',
+        'Tags'
+    ];
+    
+    // CSV-Daten erstellen
+    const csvRows = [headers];
+    
+    lastResults.forEach(customer => {
+        const row = [
+            customer.nummer,
+            customer.name,
+            customer.fachrichtung,
+            customer.strasse,
+            customer.plz,
+            customer.ort,
+            customer.telefon,
+            customer.mobil,
+            customer.handy,
+            customer.tele_firma,
+            customer.email,
+            customer.kontakt1,
+            customer.kontakt2,
+            customer.kontakt3,
+            (customer.tags || []).join(';')
+        ].map(value => {
+            // Werte mit Kommas oder Anführungszeichen in Anführungszeichen setzen
+            if (value && (value.includes(',') || value.includes('"') || value.includes('\n'))) {
+                return `"${value.replace(/"/g, '""')}"`;
+            }
+            return value || '';
+        });
+        
+        csvRows.push(row);
+    });
+    
+    // CSV-String erstellen
+    const csvContent = csvRows.map(row => row.join(',')).join('\n');
+    
+    // Blob erstellen und Download starten
+    const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' });
+    const link = document.createElement('a');
+    const url = URL.createObjectURL(blob);
+    
+    link.setAttribute('href', url);
+    link.setAttribute('download', `kundensuche_${new Date().toISOString().split('T')[0]}.csv`);
+    link.style.visibility = 'hidden';
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+}
+
+function exportToVCF(customer) {
+    if (!customer) return;
+
+    const vcfData = [
+        'BEGIN:VCARD',
+        'VERSION:3.0',
+        `FN:${customer.name || ''}`,
+        `N:${customer.name || ''};;;`,
+        `TEL;TYPE=CELL:${customer.telefon || ''}`,
+        `TEL;TYPE=HOME:${customer.mobil || ''}`,
+        `EMAIL:${customer.email || ''}`,
+        `ADR;TYPE=HOME:;;${customer.strasse || ''};${customer.plz || ''};${customer.ort || ''};`,
+        `ORG:${customer.fachrichtung || ''}`,
+        'END:VCARD'
+    ].join('\n');
+
+    const blob = new Blob([vcfData], { type: 'text/vcard;charset=utf-8' });
+    const url = window.URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = `kontakt_${customer.name || ''}_${new Date().toISOString().split('T')[0]}.vcf`;
+    document.body.appendChild(a);
+    a.click();
+    window.URL.revokeObjectURL(url);
+    document.body.removeChild(a);
+}
+
+function displayResults(results) {
+    const resultsDiv = document.getElementById('results');
+    const resultCount = document.getElementById('result-count');
+    const generalSearchTerm = document.getElementById('q').value;
+    const nameSearchTerm = document.getElementById('nameInput').value;
+    const fachrichtungSearchTerm = document.getElementById('fachrichtungInput').value;
+    
+    if (!results || results.length === 0) {
+        resultsDiv.innerHTML = '<p>Keine Ergebnisse gefunden.</p>';
+        resultCount.textContent = '';
+        return;
+    }
+    
+    resultCount.textContent = `${results.length} Ergebnisse`;
+    lastResults = results;
+    
+    const resultsHTML = results.map(customer => {
+        // Hilfsfunktion zum Erstellen von Feldern nur wenn sie Werte haben
+        const createFieldIfValue = (label, value, formatter = (v) => v) => {
+            if (!value || value === 'N/A' || value === 'n/a' || value === 'N/a' || (typeof value === 'string' && value.trim() === '')) return '';
+            const formattedValue = formatter(value);
+            return `<p class="mb-1"><strong>${label}:</strong> ${formattedValue}</p>`;
+        };
+
+        // Highlighting für alle Felder
+        const highlightField = (value) => {
+            if (!value) return value;
+            let highlighted = value;
+            if (nameSearchTerm) {
+                highlighted = highlightText(highlighted, nameSearchTerm);
+            }
+            if (fachrichtungSearchTerm) {
+                highlighted = highlightText(highlighted, fachrichtungSearchTerm);
+            }
+            if (generalSearchTerm) {
+                highlighted = highlightText(highlighted, generalSearchTerm);
+            }
+            return highlighted;
+        };
+        
+        return `
+            <div class="customer-card">
+                <div class="customer-header">
+                    <h3 class="customer-name">${highlightField(customer.name)}</h3>
+                    <div class="customer-actions">
+                        <span class="badge ${(customer.tag || 'medisoft') === 'medisoft' ? 'bg-primary' : 'bg-warning text-dark'}">${(customer.tag || 'medisoft').toUpperCase()}</span>
+                        <button class="btn btn-sm btn-outline-primary" onclick="copyCustomerLink('${customer.nummer}')" title="Link kopieren">
+                            <i class="fas fa-link"></i>
+                        </button>
+                        <button class="btn btn-sm btn-outline-primary" onclick='exportToVCF(${JSON.stringify(customer).replace(/'/g, "\\'")})' title="Als VCF exportieren">
+                            <i class="bi bi-person-vcard"></i>
+                        </button>
+                    </div>
+                </div>
+                <div class="customer-details">
+                    ${createFieldIfValue('Nummer', highlightField(customer.nummer), createCustomerLink)}
+                    ${createFieldIfValue('Adresse', (customer.strasse && customer.plz && customer.ort) ? true : false, 
+                        () => createAddressLink(
+                            customer.strasse, 
+                            highlightField(customer.plz), 
+                            highlightField(customer.ort)
+                        ))}
+                    ${createFieldIfValue('Telefon', highlightField(customer.telefon), createPhoneLink)}
+                    ${createFieldIfValue('Mobil', highlightField(customer.mobil), createPhoneLink)}
+                    ${createFieldIfValue('Handy', highlightField(customer.handy), createPhoneLink)}
+                    ${createFieldIfValue('E-Mail', highlightField(customer.email), createEmailLink)}
+                    ${createFieldIfValue('Fachrichtung', highlightField(customer.fachrichtung))}
+                    ${createFieldIfValue('Kontakt 1', highlightField(customer.kontakt1), createPhoneLink)}
+                    ${createFieldIfValue('Kontakt 2', highlightField(customer.kontakt2), createPhoneLink)}
+                    ${createFieldIfValue('Kontakt 3', highlightField(customer.kontakt3), createPhoneLink)}
+                    ${customer.tags && customer.tags.length > 0 ? `
+                        <p class="mb-0"><strong>Tags:</strong> 
+                            ${customer.tags.map(tag => `<span class="badge bg-primary me-1">${tag}</span>`).join('')}
+                        </p>
+                    ` : ''}
+                </div>
+            </div>
+        `;
+    }).join('');
+    
+    resultsDiv.innerHTML = resultsHTML;
+    updateResultCounts();
+}
+
+function clearInput(inputId) {
+    document.getElementById(inputId).value = '';
+    searchCustomers();
+}
+
+async function searchCustomers() {
+    let searchTimeout;
+    const loading = document.getElementById('loading');
+    const results = document.getElementById('results');
+    const generalSearch = document.getElementById('q').value;
+    const nameSearch = document.getElementById('nameInput').value;
+    const ortSearch = document.getElementById('ortInput').value;
+    const nummerSearch = document.getElementById('nummerInput').value;
+    const plzSearch = document.getElementById('plzInput').value;
+    const fachrichtungSearch = document.getElementById('fachrichtungInput').value;
+    const tagFilter = document.getElementById('tagFilter').value;
+    currentSearchQuery = generalSearch;
+    currentPage = 1;
+    
+    // Zeige Ladeanimation
+    loading.style.display = 'block';
+    results.innerHTML = '';
+    
+    // Setze Timeout zurück
+    clearTimeout(searchTimeout);
+    
+    // Verzögerte Suche
+    searchTimeout = setTimeout(async () => {
+        try {
+            // Baue die Suchanfrage
+            const params = new URLSearchParams();
+            if (generalSearch) params.append('q', generalSearch);
+            if (nameSearch) params.append('name', nameSearch);
+            if (ortSearch) params.append('ort', ortSearch);
+            if (nummerSearch) params.append('nummer', nummerSearch);
+            if (plzSearch) params.append('plz', plzSearch);
+            if (fachrichtungSearch) params.append('fachrichtung', fachrichtungSearch);
+            if (tagFilter) params.append('tag', tagFilter);
+
+            const response = await fetch('/search?' + params.toString());
+            
+            if (!response.ok) {
+                throw new Error('Netzwerkantwort war nicht ok');
+            }
+            
+            const data = await response.json();
+            displayResults(data);
+        } catch (error) {
+            results.innerHTML = '<p>Ein Fehler ist aufgetreten. Bitte versuchen Sie es später erneut.</p>';
+        } finally {
+            loading.style.display = 'none';
+        }
+    }, 300);
+}
+
+function setupFachrichtungAutocomplete() {
+    const fachrichtungInput = document.getElementById('fachrichtungInput');
+    const autocompleteList = document.createElement('div');
+    autocompleteList.className = 'autocomplete-items';
+    fachrichtungInput.parentNode.appendChild(autocompleteList);
+
+    fachrichtungInput.addEventListener('input', function() {
+        clearTimeout(fachrichtungTimeout);
+        const searchTerm = this.value;
+
+        if (searchTerm.length < 2) {
+            autocompleteList.style.display = 'none';
+            return;
+        }
+
+        fachrichtungTimeout = setTimeout(() => {
+            fetch(`/api/fachrichtungen?q=${encodeURIComponent(searchTerm)}`)
+                .then(response => response.json())
+                .then(data => {
+                    autocompleteList.innerHTML = '';
+                    if (data.length > 0) {
+                        data.forEach(item => {
+                            const div = document.createElement('div');
+                            div.textContent = item;
+                            div.addEventListener('click', () => {
+                                fachrichtungInput.value = item;
+                                autocompleteList.style.display = 'none';
+                                searchCustomers();
+                            });
+                            autocompleteList.appendChild(div);
+                        });
+                        autocompleteList.style.display = 'block';
+                    } else {
+                        autocompleteList.style.display = 'none';
+                    }
+                });
+        }, 300);
+    });
+
+    document.addEventListener('click', function(e) {
+        if (!fachrichtungInput.contains(e.target) && !autocompleteList.contains(e.target)) {
+            autocompleteList.style.display = 'none';
+        }
+    });
+}
+
+function setupOrtAutocomplete() {
+    const ortInput = document.getElementById('ortInput');
+    const autocompleteList = document.createElement('div');
+    autocompleteList.className = 'autocomplete-items';
+    ortInput.parentNode.appendChild(autocompleteList);
+
+    ortInput.addEventListener('input', function() {
+        clearTimeout(ortTimeout);
+        const searchTerm = this.value;
+
+        if (searchTerm.length < 2) {
+            autocompleteList.style.display = 'none';
+            return;
+        }
+
+        ortTimeout = setTimeout(() => {
+            fetch(`/api/orte?q=${encodeURIComponent(searchTerm)}`)
+                .then(response => response.json())
+                .then(data => {
+                    autocompleteList.innerHTML = '';
+                    if (data.length > 0) {
+                        data.forEach(item => {
+                            const div = document.createElement('div');
+                            div.textContent = item;
+                            div.addEventListener('click', () => {
+                                ortInput.value = item;
+                                autocompleteList.style.display = 'none';
+                                searchCustomers();
+                            });
+                            autocompleteList.appendChild(div);
+                        });
+                        autocompleteList.style.display = 'block';
+                    } else {
+                        autocompleteList.style.display = 'none';
+                    }
+                });
+        }, 300);
+    });
+
+    document.addEventListener('click', function(e) {
+        if (!ortInput.contains(e.target) && !autocompleteList.contains(e.target)) {
+            autocompleteList.style.display = 'none';
+        }
+    });
+}
+
+// Event-Listener für die URL-Parameter und Autocomplete-Setup
+document.addEventListener('DOMContentLoaded', function() {
+    const urlParams = new URLSearchParams(window.location.search);
+    const kundennummer = urlParams.get('kundennummer');
+    const name = urlParams.get('name');
+    const ort = urlParams.get('ort');
+    const plz = urlParams.get('plz');
+    
+    if (kundennummer) {
+        document.getElementById('nummerInput').value = kundennummer;
+        searchCustomers();
+    }
+    if (name) {
+        document.getElementById('nameInput').value = name;
+        searchCustomers();
+    }
+    if (ort) {
+        document.getElementById('ortInput').value = ort;
+        searchCustomers();
+    }
+    if (plz) {
+        document.getElementById('plzInput').value = plz;
+        searchCustomers();
+    }
+
+    // Setup Autocomplete
+    setupFachrichtungAutocomplete();
+    setupOrtAutocomplete();
+}); 

templates/index.html

@@ -3,10 +3,13 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="client-ip" content="{{ request.headers.get('X-Forwarded-For', request.remote_addr) }}">
+    <meta name="allowed-ip-ranges" content="{{ allowed_ip_ranges }}">
     <title>medisoftware Kundensuche</title>
     <link rel="icon" type="image/x-icon" href="{{ url_for('static', filename='favicon.ico') }}">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
     <link href="{{ url_for('static', filename='css/styles.css') }}" rel="stylesheet">
 </head>
 <body>
@@ -78,8 +81,11 @@
                     </div>
                 </div>
 
-                <div class="result-counts">
-                    <span id="resultCount" class="result-count"></span>
+                <div id="result-counts" class="mt-2">
+                    <span id="result-count"></span>
+                    <button id="exportButton" class="btn btn-sm btn-outline-primary ms-2" onclick="exportToCSV()" style="display: none;">
+                        <i class="bi bi-file-earmark-spreadsheet"></i> Als CSV exportieren
+                    </button>
                 </div>
 
                 <div id="loading" class="loading">
@@ -104,309 +110,6 @@
         </div>
     </footer>
 
-    <script>
-        let searchTimeout;
-        let lastResults = [];
-
-        function createPhoneLink(phone) {
-            if (!phone) return '';
-            
-            const clientIP = '{{ request.headers.get("X-Forwarded-For", request.remote_addr) }}';
-            const allowedIPRanges = '{{ allowed_ip_ranges }}'.split(',');
-            
-            // Überprüfen, ob die Client-IP in einem der erlaubten Bereiche liegt
-            const isAllowed = allowedIPRanges.some(range => isIPInSubnet(clientIP, range.trim()));
-            
-            // Entferne alle nicht-numerischen Zeichen
-            let cleanNumber = phone.replace(/\D/g, '');
-            
-            // Formatiere die Nummer
-            let formattedNumber = cleanNumber;
-            if (cleanNumber.length === 11) {
-                formattedNumber = cleanNumber.replace(/(\d{4})(\d{7})/, '$1-$2');
-            } else if (cleanNumber.length === 10) {
-                formattedNumber = cleanNumber.replace(/(\d{3})(\d{7})/, '$1-$2');
-            }
-            
-            // Erstelle den Link
-            return `<a href="tel:${cleanNumber}" class="phone-link">${formattedNumber}</a>`;
-        }
-
-        function createEmailLink(email) {
-            if (!email) return '';
-            return `<a href="mailto:${email}" class="email-link">${email}</a>`;
-        }
-
-        function highlightText(text, searchTerm) {
-            if (!searchTerm || !text) return text;
-            // Escapen von Sonderzeichen im Suchbegriff
-            const escapedSearchTerm = searchTerm.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
-            // Erstelle einen regulären Ausdruck ohne Wortgrenzen
-            const regex = new RegExp(escapedSearchTerm, 'gi');
-            return text.replace(regex, '<mark>$&</mark>');
-        }
-
-        function createAddressLink(street, plz, city) {
-            if (!street || !plz || !city) return '';
-            const address = `${street}, ${plz} ${city}`;
-            const searchQuery = encodeURIComponent(address);
-            const routeQuery = encodeURIComponent(address);
-            const clientIP = '{{ request.headers.get("X-Forwarded-For", request.remote_addr) }}';
-            return `<span class="address-text">${address}</span>
-                    <a href="https://www.google.com/maps/search/?api=1&query=${searchQuery}" 
-                    class="address-link" target="_blank" rel="noopener noreferrer">
-                    <i class="fa-solid fa-location-dot location-pin"></i>
-                   </a>
-                   <a href="https://www.google.com/maps/dir/?api=1&destination=${routeQuery}" 
-                   class="route-link" target="_blank" rel="noopener noreferrer">
-                   <i class="fa-solid fa-route route-pin"></i>
-                   </a>`;
-        }
-
-        function adjustCustomerNumber(number) {
-            return number - 12000;
-        }
-
-        function isIPInSubnet(ip, subnet) {
-            // Teile die IP und das Subnetz in ihre Komponenten
-            const [subnetIP, bits] = subnet.split('/');
-            const ipParts = ip.split('.').map(Number);
-            const subnetParts = subnetIP.split('.').map(Number);
-            
-            // Konvertiere IPs in 32-bit Zahlen
-            const ipNum = (ipParts[0] << 24) | (ipParts[1] << 16) | (ipParts[2] << 8) | ipParts[3];
-            const subnetNum = (subnetParts[0] << 24) | (subnetParts[1] << 16) | (subnetParts[2] << 8) | subnetParts[3];
-            
-            // Erstelle die Subnetzmaske
-            const mask = ~((1 << (32 - bits)) - 1);
-            
-            // Prüfe, ob die IP im Subnetz liegt
-            return (ipNum & mask) === (subnetNum & mask);
-        }
-
-        function createCustomerLink(nummer) {
-            const clientIP = '{{ request.headers.get("X-Forwarded-For", request.remote_addr) }}';
-            const allowedIPRanges = '{{ allowed_ip_ranges }}'.split(',');
-            
-            // Überprüfe, ob die Client-IP in einem der erlaubten Bereiche liegt
-            const isAllowed = allowedIPRanges.some(range => {
-                const trimmedRange = range.trim();
-                return isIPInSubnet(clientIP, trimmedRange);
-            });
-            
-            if (isAllowed) {
-                const adjustedNumber = adjustCustomerNumber(nummer);
-                return `<a href="medisw:openkkbefe/P${adjustedNumber}?NetGrp=4" class="customer-link">${nummer}</a>`;
-            } else {
-                return nummer;
-            }
-        }
-
-        function showCopyFeedback() {
-            const feedback = document.getElementById('shareFeedback');
-            feedback.style.display = 'block';
-            feedback.style.opacity = '1';
-            
-            feedback.addEventListener('animationend', () => {
-                feedback.style.display = 'none';
-            }, { once: true });
-        }
-
-        async function copyCustomerLink(customerNumber) {
-            const url = new URL(window.location.href);
-            url.searchParams.set('kundennummer', customerNumber);
-            
-            try {
-                await navigator.clipboard.writeText(url.toString());
-                showCopyFeedback();
-            } catch (err) {
-                // Fehlerbehandlung ohne console.log
-            }
-        }
-
-        function updateResultCounts() {
-            // Nur Gesamtzahl anzeigen
-            const generalCount = lastResults.length;
-            document.getElementById('resultCount').textContent = 
-                generalCount > 0 ? `${generalCount} Treffer gefunden` : '';
-            document.getElementById('resultCount').classList.toggle('visible', generalCount > 0);
-        }
-
-        function displayResults(results) {
-            const resultsDiv = document.getElementById('results');
-            const resultCount = document.getElementById('resultCount');
-            const generalSearchTerm = document.getElementById('q').value;
-            const nameSearchTerm = document.getElementById('nameInput').value;
-            const fachrichtungSearchTerm = document.getElementById('fachrichtungInput').value;
-            
-            if (!results || results.length === 0) {
-                resultsDiv.innerHTML = '<p>Keine Ergebnisse gefunden.</p>';
-                resultCount.textContent = '0 Ergebnisse';
-                return;
-            }
-            
-            resultCount.textContent = `${results.length} Ergebnisse`;
-            
-            const resultsList = results.map(customer => {
-                // Hilfsfunktion zum Erstellen von Feldern nur wenn sie Werte haben
-                const createFieldIfValue = (label, value, formatter = (v) => v) => {
-                    if (!value || value === 'N/A' || value === 'n/a' || value === 'N/a' || (typeof value === 'string' && value.trim() === '')) return '';
-                    const formattedValue = formatter(value);
-                    return `<p class="mb-1"><strong>${label}:</strong> ${formattedValue}</p>`;
-                };
-
-                return `
-                <div class="card mb-1">
-                    <div class="card-body py-1">
-                        <div class="d-flex justify-content-between align-items-start">
-                            <h5 class="card-title mb-1">${highlightText(customer.name, generalSearchTerm || nameSearchTerm)}</h5>
-                            <div class="d-flex align-items-center gap-2">
-                                <span class="badge ${(customer.tag || 'medisoft') === 'medisoft' ? 'bg-primary' : 'bg-warning text-dark'}">${(customer.tag || 'medisoft').toUpperCase()}</span>
-                                <button class="btn btn-sm btn-outline-primary" onclick="copyCustomerLink('${customer.nummer}')">
-                                    <i class="fas fa-share-alt"></i> Teilen
-                                </button>
-                            </div>
-                        </div>
-                        <div class="card-text">
-                            ${createFieldIfValue('Nummer', highlightText(customer.nummer, generalSearchTerm), createCustomerLink)}
-                            ${createFieldIfValue('Adresse', (customer.strasse && customer.plz && customer.ort) ? true : false, 
-                                () => createAddressLink(
-                                    highlightText(customer.strasse, generalSearchTerm), 
-                                    highlightText(customer.plz, generalSearchTerm), 
-                                    highlightText(customer.ort, generalSearchTerm)
-                                ))}
-                            ${createFieldIfValue('Telefon', highlightText(customer.telefon, generalSearchTerm), createPhoneLink)}
-                            ${createFieldIfValue('Mobil', highlightText(customer.mobil, generalSearchTerm), createPhoneLink)}
-                            ${createFieldIfValue('Handy', highlightText(customer.handy, generalSearchTerm), createPhoneLink)}
-                            ${createFieldIfValue('Telefon Firma', highlightText(customer.tele_firma, generalSearchTerm), createPhoneLink)}
-                            ${createFieldIfValue('E-Mail', highlightText(customer.email, generalSearchTerm), createEmailLink)}
-                            ${createFieldIfValue('Fachrichtung', highlightText(customer.fachrichtung, generalSearchTerm || fachrichtungSearchTerm))}
-                            ${createFieldIfValue('Kontakt 1', highlightText(customer.kontakt1, generalSearchTerm), createPhoneLink)}
-                            ${createFieldIfValue('Kontakt 2', highlightText(customer.kontakt2, generalSearchTerm), createPhoneLink)}
-                            ${createFieldIfValue('Kontakt 3', highlightText(customer.kontakt3, generalSearchTerm), createPhoneLink)}
-                            ${customer.tags && customer.tags.length > 0 ? `
-                                <p class="mb-0"><strong>Tags:</strong> 
-                                    ${customer.tags.map(tag => `<span class="badge bg-primary me-1">${tag}</span>`).join('')}
-                                </p>
-                            ` : ''}
-                        </div>
-                    </div>
-                </div>
-            `}).join('');
-            
-            resultsDiv.innerHTML = resultsList;
-        }
-
-        function searchCustomers() {
-            const q = document.getElementById('q').value;
-            const name = document.getElementById('nameInput').value;
-            const ort = document.getElementById('ortInput').value;
-            const nummer = document.getElementById('nummerInput').value;
-            const plz = document.getElementById('plzInput').value;
-            const fachrichtung = document.getElementById('fachrichtungInput').value;
-            const selectedTag = document.getElementById('tagFilter').value;
-
-            // Prüfe, ob mindestens ein Suchfeld einen Wert hat
-            if (!q && !name && !ort && !nummer && !plz && !fachrichtung) {
-                document.getElementById('results').innerHTML = '';
-                document.getElementById('resultCount').textContent = '';
-                return;
-            }
-
-            // Zeige das Lade-Icon
-            document.getElementById('loading').style.display = 'block';
-
-            // Baue die Suchanfrage
-            const params = new URLSearchParams();
-            if (q) params.append('q', q);
-            if (name) params.append('name', name);
-            if (ort) params.append('ort', ort);
-            if (nummer) params.append('nummer', nummer);
-            if (plz) params.append('plz', plz);
-            if (fachrichtung) params.append('fachrichtung', fachrichtung);
-            if (selectedTag) params.append('tag', selectedTag);
-
-            // Führe die Suche durch
-            fetch('/search?' + params.toString())
-                .then(response => {
-                    if (!response.ok) {
-                        throw new Error('Netzwerk-Antwort war nicht ok');
-                    }
-                    return response.json();
-                })
-                .then(data => {
-                    // Verstecke das Lade-Icon
-                    document.getElementById('loading').style.display = 'none';
-                    
-                    if (data.error) {
-                        console.error('Fehler bei der Suche:', data.error);
-                        return;
-                    }
-                    
-                    lastResults = data;
-                    updateResultCounts();
-                    displayResults(data);
-                })
-                .catch(error => {
-                    document.getElementById('loading').style.display = 'none';
-                    console.error('Fehler bei der Suche:', error);
-                    document.getElementById('results').innerHTML = '<p>Ein Fehler ist aufgetreten. Bitte versuchen Sie es später erneut.</p>';
-                });
-        }
-
-        // Event-Listener für die Live-Suche
-        const searchInputs = [
-            document.getElementById('q'),
-            document.getElementById('nameInput'),
-            document.getElementById('ortInput'),
-            document.getElementById('nummerInput'),
-            document.getElementById('plzInput'),
-            document.getElementById('fachrichtungInput')
-        ];
-
-        const resetIcons = [
-            document.querySelector('.reset-icon[onclick="clearInput(\'q\')"]'),
-            document.querySelector('.reset-icon[onclick="clearInput(\'nameInput\')"]'),
-            document.querySelector('.reset-icon[onclick="clearInput(\'ortInput\')"]'),
-            document.querySelector('.reset-icon[onclick="clearInput(\'nummerInput\')"]'),
-            document.querySelector('.reset-icon[onclick="clearInput(\'plzInput\')"]'),
-            document.querySelector('.reset-icon[onclick="clearInput(\'fachrichtungInput\')"]')
-        ];
-
-        searchInputs.forEach((input, index) => {
-            input.addEventListener('input', function() {
-                clearTimeout(searchTimeout);
-                // Erhöhe das Debounce-Intervall auf 500ms
-                searchTimeout = setTimeout(searchCustomers, 500);
-                
-                // Reset-Icon anzeigen/verstecken
-                resetIcons[index].classList.toggle('visible', this.value.length > 0);
-            });
-
-            // Reset-Funktionalität
-            resetIcons[index].addEventListener('click', function() {
-                searchInputs[index].value = '';
-                searchCustomers();
-            });
-        });
-
-        // URL-Parameter beim Laden der Seite prüfen
-        window.addEventListener('load', function() {
-            const urlParams = new URLSearchParams(window.location.search);
-            const name = urlParams.get('name');
-            const ort = urlParams.get('ort');
-            const kundennummer = urlParams.get('kundennummer');
-            const plz = urlParams.get('plz');
-
-            if (name) document.getElementById('nameInput').value = name;
-            if (ort) document.getElementById('ortInput').value = ort;
-            if (kundennummer) document.getElementById('nummerInput').value = kundennummer;
-            if (plz) document.getElementById('plzInput').value = plz;
-
-            if (name || ort || kundennummer || plz) {
-                searchCustomers();
-            }
-        });
-    </script>
+    <script src="{{ url_for('static', filename='js/main.js') }}"></script>
 </body>
 </html>