[Feature] SQL Injection Vulnerability and Error Handling in get_user Function

[tamannaaaaa]

Description

The get_user function in the current code is susceptible to SQL injection attacks due to the direct inclusion of the id value from the data dictionary into the SQL query string. Additionally, there is no proper error handling for potential exceptions that may occur during the database query.

Screenshots

No response

Checklist

• I have checked the existing issues
• I have read the Contributing Guidelines
• I am willing to work on this issue (optional)
• I am a GSSoC'23 contributor

[github-actions]

Thanks for creating this issue, @tamannaaaaa!

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🙏 Thanks again for your help, and we look forward to your valuable contributions! Happy coding! 😄

[github-actions]

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