added filter fpr length in list and transactionlist

Website/__init__.py

@@ -10,6 +10,13 @@ preis = -150 #Ein Getraenk
 #flask_config
 DATABASE = './Website/mate.db'
 
+def limit_length(text, length=50):
+    if type(text) != str:
+        text = str(text)
+    if len(text) > length:
+        return f"{text[:(length -3)]}..."
+    return text
+
 def create_app(test_config=None):
     app = Flask(__name__)
     key = str(uuid.uuid4().hex)
@@ -17,6 +24,7 @@ def create_app(test_config=None):
         app.config['SESSION_TYPE'] = 'filesystem'
         app.config['SECRET_KEY'] = key
         app.config['DATABASE'] = DATABASE
+        app.jinja_env.filters['limit_length'] = limit_length
     else:
         app.config.from_mapping(test_config)
 
@@ -34,7 +42,7 @@ def create_app(test_config=None):
     #    db = getattr(g, '_database', None)
     #    if db is not None:
     #        db.close()
-    #    app.logger.info("Website exited")
+    #    appt.logger.info("Website exited")
     
     #var
     user_queue = queue.Queue()