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Katharina Birnstiel

PROFILE

Katharina Birnstiel

Worked on the kialo/moodle-mod_kialo repository, focusing on backend enhancements and test infrastructure improvements over a two-month period. Delivered a new update_discussion_url API endpoint to support backup and restore of discussion URLs, integrating it with both LTI and the Kialo Moodle plugin flows. Emphasized robust error handling, security checks, and JSON error responses, while expanding automated test coverage using PHPUnit and Shell scripting. Improved the Docker-based CI pipeline by fixing PHPUnit path resolution for Moodle 5, reducing flaky test runs and debugging time. Utilized PHP, Docker, and Composer to ensure maintainability, reliability, and seamless integration with evolving Moodle requirements.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

11Total
Bugs
1
Commits
11
Features
1
Lines of code
2,641
Activity Months2

Work History

July 2025

9 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for the kialo/moodle-mod_kialo repository focused on delivering a robust backup/restore enhancement for discussion URLs, with cross-flow support for LTI and the Kialo Moodle plugin. A new update_discussion_url endpoint was implemented, backed by a general endpoint framework, security checks, comprehensive error handling, JSON error responses, language feedback, tests, and integration with LTI and Kialo plugin flows.

May 2025

2 Commits

May 1, 2025

May 2025 summary for kialo/moodle-mod_kialo: Strengthened the test infrastructure to support Moodle 5 integration, delivering reliable automated testing in Docker and improving CI feedback loops. Implemented fixes to PHPUnit path resolution and test execution within the container, ensuring tests are discovered and executed from the correct directory, which reduced flaky test runs and debugging time. Updated dependencies and test scripts to align with Moodle 5 changes and containerized environments.

Activity

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Quality Metrics

Correctness81.8%
Maintainability83.6%
Architecture74.6%
Performance74.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

PHPShell

Technical Skills

API DevelopmentBackend DevelopmentComposerDevOpsDockerError HandlingLTI IntegrationMoodle DevelopmentPHPUnitShell ScriptingTesting

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

kialo/moodle-mod_kialo

May 2025 Jul 2025
2 Months active

Languages Used

PHPShell

Technical Skills

ComposerDevOpsDockerMoodle DevelopmentPHPUnitShell Scripting