Update components/login_signup.py

components/login_signup.py

@@ -5,7 +5,7 @@ from utils.state_management import state
 def login_signup():
     def authenticate(email, password):
         customers = read_excel('data/customers.xlsx')
-        user = customers.get(email)
+        user = next((c for c in customers if c['Email'] == email), None)
         if user and user['Password'] == password:
             state["user"] = user
             return "Login Successful!"
@@ -13,12 +13,12 @@ def login_signup():
 
     def register(name, email, password, preferences, allergies, occasion):
         customers = read_excel('data/customers.xlsx')
-        if email in customers:
+        if any(c['Email'] == email for c in customers):
             return "Email already exists!"
-        customers[email] = {
-            "Name": name, "Password": password, "Preferences": preferences,
-            "Allergies": allergies, "Occasion": occasion
-        }
+        customers.append({
+            "Name": name, "Email": email, "Password": password, 
+            "Preferences": preferences, "Allergies": allergies, "Occasion": occasion
+        })
         write_excel('data/customers.xlsx', customers)
         return "Registration Successful!"