leihs/leihs-inventory
Nov 2024 – Nov 2025
11 Months active
Languages Used
HTMLClojureClojureScriptJSXJavaScriptTypeScriptBashRuby
Technical Skills
Front End DevelopmentAPI IntegrationClojureScriptComponent DevelopmentData FetchingFile Uploads
Jan Pistor
PROFILE
Jan Pistor
Jan Pistor developed and modernized the leihs/leihs-inventory system over 11 months, delivering 26 features and addressing core data integrity and usability challenges. He implemented end-to-end CRUD flows, advanced filtering, and robust image and attachment handling, using ClojureScript, React, and Ruby on Rails. Jan refactored API structures, improved cache management, and introduced session-persistent internationalization, enhancing both backend reliability and frontend user experience. His work included modernizing HTTP clients, optimizing database queries, and expanding test coverage, resulting in a maintainable, scalable codebase. The depth of his engineering ensured faster onboarding, safer data operations, and a more efficient inventory management workflow.
Overall Statistics
Feature vs Bugs
87%Features
Repository Contributions
48Total
Bugs
4
Commits
48
Features
26
Lines of code
74,145
Activity Months11
Your Network
4 peopleShared Repositories
4
Work History
November 2025
1 Commits • 1 Features
Nov 1, 2025November 2025: Major UI enhancement in leihs-inventory delivering an expandable Inventory List View with improved filtering, pagination, and keyboard navigation. This work improves data visibility, reduces time to locate items, and enhances workflow efficiency. No explicit major bugs fixed in this scope; however, extensive test updates ensure reliability of the new interactions and UI behaviors. Commit reference for the deliverable: 3e30eb19a4a3188ce0815464d4b04483f4cec70d (feat: redesign and expandable items in list).
1 Commits • 1 Features
Nov 1, 2025November 2025: Major UI enhancement in leihs-inventory delivering an expandable Inventory List View with improved filtering, pagination, and keyboard navigation. This work improves data visibility, reduces time to locate items, and enhances workflow efficiency. No explicit major bugs fixed in this scope; however, extensive test updates ensure reliability of the new interactions and UI behaviors. Commit reference for the deliverable: 3e30eb19a4a3188ce0815464d4b04483f4cec70d (feat: redesign and expandable items in list).
November 2025
October 2025
2 Commits • 2 Features
Oct 1, 2025October 2025 (2025-10): Delivered impactful frontend enhancements for leihs-inventory with a focus on faster, more usable search and a smoother multilingual experience. Implemented session-persistent language selection, UI polish, and cross-browser stability improvements, laying groundwork for improved user productivity and broader adoption.
October 2025
2 Commits • 2 Features
Oct 1, 2025October 2025 (2025-10): Delivered impactful frontend enhancements for leihs-inventory with a focus on faster, more usable search and a smoother multilingual experience. Implemented session-persistent language selection, UI polish, and cross-browser stability improvements, laying groundwork for improved user productivity and broader adoption.
August 2025
3 Commits • 2 Features
Aug 1, 2025Concise monthly summary for 2025-08 focusing on delivered features and stability improvements in leihs-inventory. Key outcomes include a refactor of the Inventory Management System with safer deletion UX, and the rollout of Inventory Template CRUD. These changes improve maintainability, reduce risk of accidental deletions, and enable faster template management; plus updated tests.
3 Commits • 2 Features
Aug 1, 2025Concise monthly summary for 2025-08 focusing on delivered features and stability improvements in leihs-inventory. Key outcomes include a refactor of the Inventory Management System with safer deletion UX, and the rollout of Inventory Template CRUD. These changes improve maintainability, reduce risk of accidental deletions, and enable faster template management; plus updated tests.
August 2025
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 monthly highlights for leihs-inventory. Focus areas: development environment stability and API maintainability. Key features delivered: 1) Development Environment Java Version Alignment: upgraded/downgraded Java runtime in tooling config to ensure compatibility and security for the dev stack. Commits: f20800398d5b45fb51675ad51f809f20d78cfa5f; 6d1849a891e8b462df448f7592dc1ea9d92a9a16. 2) API Refactor and Cleanup: refactored API structure and routes; removed obsolete development forms and API docs to streamline the codebase and improve maintainability. Commit: 2dd949ec33b56d045cf486cc775e0cd847419495. Major bugs fixed: none reported this month. Overall impact: reduced build risks, improved security posture, streamlined onboarding, and a cleaner API surface. Technologies/skills demonstrated: Java tooling/version management, API design and refactoring, codebase cleanup, and maintainability improvements. Business value: ensures consistent development experience, faster feature delivery, and lower maintenance cost.
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 monthly highlights for leihs-inventory. Focus areas: development environment stability and API maintainability. Key features delivered: 1) Development Environment Java Version Alignment: upgraded/downgraded Java runtime in tooling config to ensure compatibility and security for the dev stack. Commits: f20800398d5b45fb51675ad51f809f20d78cfa5f; 6d1849a891e8b462df448f7592dc1ea9d92a9a16. 2) API Refactor and Cleanup: refactored API structure and routes; removed obsolete development forms and API docs to streamline the codebase and improve maintainability. Commit: 2dd949ec33b56d045cf486cc775e0cd847419495. Major bugs fixed: none reported this month. Overall impact: reduced build risks, improved security posture, streamlined onboarding, and a cleaner API surface. Technologies/skills demonstrated: Java tooling/version management, API design and refactoring, codebase cleanup, and maintainability improvements. Business value: ensures consistent development experience, faster feature delivery, and lower maintenance cost.
June 2025
4 Commits • 3 Features
Jun 1, 2025June 2025: Delivered core inventory data integrity improvements and CRUD capabilities, boosting reliability, UX, and asset tracking. Key initiatives included cache invalidation on mutations, guardrails for filters, and end-to-end CRUD for software and options with tests and UI changes, aligning with business goals of accurate inventory data, streamlined workflows, and maintainability.
4 Commits • 3 Features
Jun 1, 2025June 2025: Delivered core inventory data integrity improvements and CRUD capabilities, boosting reliability, UX, and asset tracking. Key initiatives included cache invalidation on mutations, guardrails for filters, and end-to-end CRUD for software and options with tests and UI changes, aligning with business goals of accurate inventory data, streamlined workflows, and maintainability.
June 2025
May 2025
8 Commits • 5 Features
May 1, 2025May 2025: Implemented advanced inventory filtering with search, with_items, retired, and borrowable filters plus pagination; aligned the Model CRUD UI with updated API endpoints and improved image handling; fixed critical data propagation and navigation issues; enhanced attachments previews and full category paths; broadened localization with new i18n keys; and resolved Scrollspy not updating after language changes. These changes delivered clearer data retrieval, more reliable model operations, improved UX for admins, and expanded global usability.
May 2025
8 Commits • 5 Features
May 1, 2025May 2025: Implemented advanced inventory filtering with search, with_items, retired, and borrowable filters plus pagination; aligned the Model CRUD UI with updated API endpoints and improved image handling; fixed critical data propagation and navigation issues; enhanced attachments previews and full category paths; broadened localization with new i18n keys; and resolved Scrollspy not updating after language changes. These changes delivered clearer data retrieval, more reliable model operations, improved UX for admins, and expanded global usability.
April 2025
8 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for leihs-inventory focusing on delivering business value through front-end modernization, UX improvements, and scalable architecture. The month emphasized completing major feature work, stabilizing the client-side HTTP layer, and tightening routing/form patterns to enable faster future iterations.
8 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for leihs-inventory focusing on delivering business value through front-end modernization, UX improvements, and scalable architecture. The month emphasized completing major feature work, stabilizing the client-side HTTP layer, and tightening routing/form patterns to enable faster future iterations.
April 2025
March 2025
9 Commits • 2 Features
Mar 1, 2025Monthly summary for 2025-03 focusing on delivering business value and technical achievements in leihs/leihs-inventory. Highlights include major UX/API overhaul for model management, CI linting/maintenance improvements, and targeted bug fixes that stabilize critical creative flows.
March 2025
9 Commits • 2 Features
Mar 1, 2025Monthly summary for 2025-03 focusing on delivering business value and technical achievements in leihs/leihs-inventory. Highlights include major UX/API overhaul for model management, CI linting/maintenance improvements, and targeted bug fixes that stabilize critical creative flows.
February 2025
4 Commits • 1 Features
Feb 1, 2025February 2025: Focused on strengthening the model creation workflow in leihs-inventory. Delivered end-to-end enhancements for the Model Creation Form, including enhanced file uploads, validation, and backend data mapping; introduced compatible models management and an improved manufacturer selection UX. Fixed critical form submission issues and ensured frontend data parity with the backend, improving data quality and user efficiency. Result: reduced model provisioning errors and faster onboarding for new inventory items across teams.
4 Commits • 1 Features
Feb 1, 2025February 2025: Focused on strengthening the model creation workflow in leihs-inventory. Delivered end-to-end enhancements for the Model Creation Form, including enhanced file uploads, validation, and backend data mapping; introduced compatible models management and an improved manufacturer selection UX. Fixed critical form submission issues and ensured frontend data parity with the backend, improving data quality and user efficiency. Result: reduced model provisioning errors and faster onboarding for new inventory items across teams.
February 2025
January 2025
5 Commits • 4 Features
Jan 1, 2025January 2025 performance highlights for leihs-inventory: Delivered four major features to enhance model management and pool-scoped inventory, added robust image handling with previews, and fixed a pool-id data fetch bug to improve data accuracy. These changes drive business value by enabling precise pool-based inventory views, richer model creation workflows with entitlements and category assignments, and a more visual, validated image management experience. Technologies and patterns demonstrated include component-based UI, data-fetching by pool-id, hierarchical selections, and front-end validation.
January 2025
5 Commits • 4 Features
Jan 1, 2025January 2025 performance highlights for leihs-inventory: Delivered four major features to enhance model management and pool-scoped inventory, added robust image handling with previews, and fixed a pool-id data fetch bug to improve data accuracy. These changes drive business value by enabling precise pool-based inventory views, richer model creation workflows with entitlements and category assignments, and a more visual, validated image management experience. Technologies and patterns demonstrated include component-based UI, data-fetching by pool-id, hierarchical selections, and front-end validation.
November 2024
1 Commits
Nov 1, 2024November 2024: Stabilized Inventory app asset loading and reinforced deployment reliability. Implemented a critical asset path normalization fix to ensure robust loading of CSS and JavaScript regardless of the base URL, improving user experience across environments.
1 Commits
Nov 1, 2024November 2024: Stabilized Inventory app asset loading and reinforced deployment reliability. Implemented a critical asset path normalization fix to ensure robust loading of CSS and JavaScript regardless of the base URL, improving user experience across environments.
November 2024
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Quality Metrics
Correctness85.4%
Maintainability83.2%
Architecture82.2%
Performance74.2%
AI Usage23.4%
Skills & Technologies
Programming Languages
BashCSSClojureClojureScriptHTMLJSXJavaScriptReactRubyShell
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAsync OperationsBackend DevelopmentCI/CDCSSCache ManagementClojureClojureScriptCode CleanupCode OrganizationComponent DevelopmentComponent LibraryComponent Refactoring
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline