/smells
Analyze the provided class for code smells and create a refactoring plan.
/smells $ARGUMENTS
Poor Naming Conventions
Long Method
Large Class (God Object)
Duplicate Code
Feature Envy
// Before
getData() → fetchCustomerPurchaseHistory()
processItems() → calculateMonthlyRevenue()
userObj → customerProfile
temp → filteredTransactions
data → invoiceRecords
doStuff() → validatePaymentCredentials()