folio-org/mod-audit
Feb 2026 – Feb 2026
1 Month active
Languages Used
JavaMarkdownSQL
Technical Skills
API developmentJavaSQLSpring Frameworkbackend developmentdatabase management
Simon Lämmer
PROFILE
Simon Lämmer
Over two months, Laemmer developed foundational audit logging features and improved data consistency in the folio-org/mod-audit and folio-org/mod-users repositories. He introduced a configurable user audit logging setting, refactored core components for modularity, and extracted shared utilities to support event-driven user auditing. Using Java, SQL, and the Spring Framework, Laemmer ensured robust integration testing and clear documentation, enabling future extensibility. In mod-users, he addressed data integrity by preserving user metadata and aligning Kafka event payloads with database state. The work demonstrated a thoughtful approach to maintainability and correctness, with careful attention to permissions, testing, and cross-component code reuse.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
8Total
Bugs
1
Commits
8
Features
4
Lines of code
570
Activity Months2
Your Network
14 peopleSame Organization
@ub.uni-leipzig.de1
Work History
February 2026
6 Commits • 4 Features
Feb 1, 2026February 2026 focused on delivering the architectural foundation and initial user-facing controls for audit logging in folio-org/mod-audit. Key work includes enabling a configurable User Audit setting (audit.users) with permissions and integration tests, refactoring DiffCalculator to decouple from inventory types to support cross-consumer reuse, and extracting shared utilities and payload handling to improve maintainability. The default state is disabled to minimize risk, with a path to toggling via the existing API. This work establishes the business capability for future user event processing, improves code reuse, and enhances testing/documentation.
6 Commits • 4 Features
Feb 1, 2026February 2026 focused on delivering the architectural foundation and initial user-facing controls for audit logging in folio-org/mod-audit. Key work includes enabling a configurable User Audit setting (audit.users) with permissions and integration tests, refactoring DiffCalculator to decouple from inventory types to support cross-consumer reuse, and extracting shared utilities and payload handling to improve maintainability. The default state is disabled to minimize risk, with a path to toggling via the existing API. This work establishes the business capability for future user event processing, improves code reuse, and enhances testing/documentation.
February 2026
October 2025
2 Commits
Oct 1, 2025October 2025: Key integrity fixes in user management; preserved createdDate on updates; corrected Kafka update event metadata by re-fetching the user post-update; improved consistency between DB state and Kafka events; commits linked to internal issues MODUSERS-548 and MODUSERS-549.
October 2025
2 Commits
Oct 1, 2025October 2025: Key integrity fixes in user management; preserved createdDate on updates; corrected Kafka update event metadata by re-fetching the user post-update; improved consistency between DB state and Kafka events; commits linked to internal issues MODUSERS-548 and MODUSERS-549.
Activity
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Quality Metrics
Correctness95.0%
Maintainability95.0%
Architecture95.0%
Performance95.0%
AI Usage25.0%
Skills & Technologies
Programming Languages
JavaJavaScriptMarkdownSQL
Technical Skills
API DevelopmentAPI developmentBackend DevelopmentDatabase ManagementEvent-Driven ArchitectureJavaSQLSpring FrameworkTestingbackend developmentdatabase managementdocumentationtestingunit testingversion control
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
folio-org/mod-users
Oct 2025 – Oct 2025
1 Month active
Languages Used
JavaJavaScript
Technical Skills
API DevelopmentBackend DevelopmentDatabase ManagementEvent-Driven ArchitectureTesting