Add logging functionality and database interaction in db.py and main.py

db.py

@@ -0,0 +1,100 @@
+import mariadb
+import os
+import logging
+
+
+
+#Logging
+
+logging.basicConfig(
+    filename='app.log',  # Log to a file
+    level=logging.DEBUG,  # Log everything (DEBUG and above)
+    format='%(asctime)s %(levelname)s %(message)s'
+)
+
+logging.info('Application started')
+try:
+    logging.debug('Debug info here')
+except Exception as e:
+    logging.exception('An error occurred')
+
+
+def connect():
+    try:
+        global connection
+        connection = mariadb.connect(user="luggage",
+            password="13579,QsC",
+            host="192.168.1.74",
+            port=3307,
+            database="canada_luggage")
+        print("Connected to MariaDB successfully!")
+        logging.info("Connected to MariaDB successfully!")
+        
+    except mariadb.Error as e:
+        print(f"Error connecting to DB: {e}")
+        logging.error("Error connecting")
+        logging.debug(f"Error connecting to DB: {e}")
+
+def new_part(cloth_type, weigth, pieces):
+    if type(pieces) is not int:
+        print("only ints allowed")
+        logging.error("only ints allowed")
+    else:
+        cursor = connection.cursor()
+        executed = "INSERT INTO luggage (clothes, weigth, pieces) VALUES (?, ?)"
+        executed_data = (cloth_type, weigth, pieces)
+        cursor.execute(executed, executed_data)
+        connection.commit()
+        logging.info("new Insert is in DB")
+
+def fetch_clothes():
+    cursor = connection.cursor()
+    cursor.execute("SELECT clothes FROM luggage")
+    clothes = [str(row[0]) for row in cursor.fetchall()]
+    logging.info("fetched clothes")
+    return clothes
+
+def update_weigth(cloth_type, weigth):
+    cursor = connection.cursor()
+    executed = "UPDATE luggage SET weigth = ? WHERE clothes = ?"
+    executed_data = (weigth, cloth_type)
+    cursor.execute(executed, executed_data)
+    connection.commit()
+    logging.info("weigth updated")
+
+def update_pieces(cloth_type, pieces):
+    if type(pieces) is not int:
+        logging.error("only ints allowed")
+    else: 
+        cursor = connection.cursor()
+        executed = "UPDATE luggage SET pieces = ? WHERE clothes = ?"
+        executed_data = (pieces, cloth_type)
+        cursor.execute(executed, executed_data)
+        connection.commit()
+        logging.info("pieces updated")
+
+def fetch_weigth(cloth_type):
+    cursor = connection.cursor()
+    cursor.execute("SELECT weigth FROM luggage WHERE clothes = ?", (cloth_type,))
+    weigth = cursor.fetchone()[0]
+    logging.info("fetched weigth")
+    return weigth
+
+def fetch_luggage_weigth():
+    cursor = connection.cursor()
+    cursor.execute("SELECT sum(weigth) FROM luggage")
+    weigth = cursor.fetchone()[0]
+    logging.info("fetched luggage weigth")
+    return weigth
+
+def fetch_piece(cloth_type):
+    cursor = connection.cursor()
+    cursor.execute("SELECT pieces FROM luggage WHERE clothes = ?", (cloth_type,))
+    pieces = cursor.fetchone()[0]
+    logging.info("fetched luggage pieces")
+    return pieces
+
+def fetch_all_pieces():
+    cursor = connection.cursor()
+    cursor.execute("SELECT sum(pieces) FROM luggage")
+    pieces = cursor.fetchone()[0]