pragmatic-clean-code-reviewer

# Code Review Report

## Clean Code Principles
- **Function Length**: The `process_data()` function is 50 lines long. Consider breaking it into smaller functions with single responsibilities.
- **Meaningful Names**: Variable `x` should be renamed to something descriptive like `user_input_data`.
- **Comments**: Add comments explaining the purpose of the complex data transformation logic.

## Clean Architecture Violations
- **Database Access**: The `UserRepository` class directly accesses the database in the `get_user()` method. Move this to a separate data access layer.
- **Dependency Inversion**: The `ReportGenerator` class directly depends on `PDFRenderer`. Introduce an interface for rendering.

## Pragmatic Programmer Recommendations
- **DRY Principle**: The data validation logic in `validate_user()` is duplicated in `validate_admin()`. Extract to a shared validation function.
- **Error Handling**: Add specific exception handling for network timeouts in the API calls.

## Actionable Improvements
1. Refactor `process_data()` into smaller, focused functions
2. Implement dependency injection for rendering services
3. Create a shared validation module for user and admin validation
4. Add comprehensive error handling for all external API calls