Implement logic to clean and standardize referral codes in the users table. This includes setting referral codes to NULL if they are empty or consist only of whitespace, and generating unique referral codes for users with duplicates. The changes enhance data integrity and ensure consistent formatting of referral codes across the database.
Refactor the `process_successful_payment` function to improve the handling of payment statuses during processing. Introduce a new method to atomically claim payments for processing and rollback payment statuses in case of activation failures. Enhance logging for various scenarios, including payment status checks and rollback actions, to provide clearer insights into payment processing flows. This improves the robustness and reliability of the payment handling logic.
Simplify the discount consumption process in the PromoCodeService by removing unnecessary checks for active discounts and improving logging for various scenarios. Ensure that successful payments are always accounted for, even if the associated reservation has expired. This enhances clarity and reliability in the discount application workflow.
Add validation for provider payment IDs in YooKassa webhook processing and ensure activation details are checked for null values in CryptoPay, FreeKassa, Platega, and Stars services. This prevents potential runtime errors during payment processing and enhances logging for better debugging.
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