Update src/recommendation_utils.py

src/recommendation_utils.py

@@ -2,6 +2,18 @@ import numpy as np
 import pandas as pd
 import pickle
 from keras.models import load_model
+from keras.models import model_from_json
+from keras.optimizers import Adam
+
+def load_nn_model(config_path, weights_path):
+    with open(config_path, "r") as f:
+        model_json = f.read()
+    model = model_from_json(model_json)
+    model.load_weights(weights_path)
+
+    # Gleiche Konfiguration wie im Training:
+    model.compile(optimizer=Adam(), loss="mse", metrics=["mse", "mae"])
+    return model
 
 # Lade Modelle und Daten
 def load_nn_model(path):