- Implemented methods for database connection, query execution, and attendance record handling.
- Added functionality to retrieve attendance logs based on date and process attendance records.
- Integrated logic for handling different employee departments and attendance types (IN, OUT, R1, R2).
- Included synchronization of attendance records with the attendance list.
- Utilized PDO for database interactions to enhance security and performance.
- Implemented Os class for retrieving OS information.
- Added Pin class for getting PIN width.
- Created Platform class for fetching platform details and version.
- Developed SerialNumber class to retrieve device serial number.
- Introduced Ssr class for SSR information retrieval.
- Implemented Time class for setting and getting device time.
- Added User class for user management including setting, getting, clearing, and removing users.
- Created Util class with various utility functions for command handling and data processing.
- Implemented Version class for fetching device version.
- Added WorkCode class for retrieving work code information.
- Set up Composer autoloading for the ZK library.
