Implement CRUD operations for luggage items: add, update, delete, and fetch functionalities; enhance logging and error handling

db.py

@@ -34,14 +34,14 @@ def connect(db_user, db_psswd, db_host, db_port, db_name):
         logging.error("Error connecting")
         logging.debug(f"Error connecting to DB: {e}")
 
-def new_part(cloth_type, weigth, pieces):
+def new_part(cloth_type, weight, 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)
+        executed = "INSERT INTO luggage (clothes, weight, pieces) VALUES (?, ?, ?)"
+        executed_data = (cloth_type, weight, pieces)
         cursor.execute(executed, executed_data)
         connection.commit()
         logging.info("new Insert is in DB")
@@ -53,13 +53,13 @@ def fetch_clothes():
     logging.info("fetched clothes")
     return clothes
 
-def update_weigth(cloth_type, weigth):
+def update_weight(cloth_type, weight):
     cursor = connection.cursor()
-    executed = "UPDATE luggage SET weigth = ? WHERE clothes = ?"
-    executed_data = (weigth, cloth_type)
+    executed = "UPDATE luggage SET weight = ? WHERE clothes = ?"
+    executed_data = (weight, cloth_type)
     cursor.execute(executed, executed_data)
     connection.commit()
-    logging.info("weigth updated")
+    logging.info("weight updated")
 
 def update_pieces(cloth_type, pieces):
     if type(pieces) is not int:
@@ -72,19 +72,19 @@ def update_pieces(cloth_type, pieces):
         connection.commit()
         logging.info("pieces updated")
 
-def fetch_weigth(cloth_type):
+def fetch_weight(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
+    cursor.execute("SELECT weight FROM luggage WHERE clothes = ?", (cloth_type,))
+    weight = cursor.fetchone()[0]
+    logging.info("fetched weight")
+    return weight
 
-def fetch_luggage_weigth():
+def fetch_luggage_weight():
     cursor = connection.cursor()
-    cursor.execute("SELECT sum(weigth) FROM luggage")
-    weigth = cursor.fetchone()[0]
-    logging.info("fetched luggage weigth")
-    return weigth
+    cursor.execute("SELECT sum(weight) FROM luggage")
+    weight = cursor.fetchone()[0]
+    logging.info("fetched luggage weight")
+    return weight
 
 def fetch_piece(cloth_type):
     cursor = connection.cursor()
@@ -106,6 +106,11 @@ def delete(cloth_type):
     logging.critical(f"{cloth_type} was deleted")
     connection.commit()
 
+def check_clothe(clothe_type):
+    cursor = connection.cursor()
+    cursor.execute("SELECT (SELECT clothes FROM luggage WHERE clothes = ? LIMIT 1) AS clothes", (clothe_type,))
+    check = cursor.fetchone()[0]
+    return check
 
 
 #using .env