Create database_handler.py

utils/database_handler.py

@@ -0,0 +1,27 @@
+import pandas as pd
+import os
+
+# Path to Excel database
+CUSTOMERS_FILE = "database/customers.xlsx"
+
+# Ensure database exists
+if not os.path.exists("database"):
+    os.makedirs("database")
+if not os.path.exists(CUSTOMERS_FILE):
+    pd.DataFrame(columns=["Name", "Phone", "Email", "Password"]).to_excel(CUSTOMERS_FILE, index=False)
+
+# Check user credentials
+def check_credentials(email, password):
+    df = pd.read_excel(CUSTOMERS_FILE)
+    user = df[(df["Email"] == email) & (df["Password"] == password)]
+    return not user.empty
+
+# Save new user
+def save_user(name, phone, email, password):
+    df = pd.read_excel(CUSTOMERS_FILE)
+    if email in df["Email"].values:
+        return False  # User already exists
+    new_user = {"Name": name, "Phone": phone, "Email": email, "Password": password}
+    df = pd.concat([df, pd.DataFrame([new_user])], ignore_index=True)
+    df.to_excel(CUSTOMERS_FILE, index=False)
+    return True