graasp/graasp
Nov 2024 – Jun 2025
6 Months active
Languages Used
JavaScriptTypeScriptYAML
Technical Skills
API DevelopmentBackend DevelopmentFile HandlingNode.jsTypeScriptDatabase Management
MatveyK
PROFILE
Matveyk
Matvey Khokhlov developed and enhanced core backend features for the graasp/graasp repository, focusing on robust data import/export, batch file management, and scalable item workflows. He implemented batch operations for file uploads and deletions, introduced H5P and APP item handling, and refactored services to support parallel processing and improved error handling. Using TypeScript, Node.js, and Docker, Matvey ensured data fidelity and portability by designing modular export/import flows and integrating with AWS S3 for storage. His work emphasized maintainability, test coverage, and developer experience, resulting in reliable content migration, streamlined onboarding, and efficient management of complex data structures.
Overall Statistics
Feature vs Bugs
88%Features
Repository Contributions
9Total
Bugs
1
Commits
9
Features
7
Lines of code
2,836
Activity Months6
Your Network
120 people
Work History
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for graasp/graasp focused on delivering robust APP item portability via import/export functionality. No major bugs reported this month; primary emphasis on feature delivery and code quality improvements with measurable business impact.
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for graasp/graasp focused on delivering robust APP item portability via import/export functionality. No major bugs reported this month; primary emphasis on feature delivery and code quality improvements with measurable business impact.
June 2025
May 2025
3 Commits • 2 Features
May 1, 2025May 2025 performance summary: Delivered two major features for Graasp content import—Graasp Archive Import and Restore and H5P Content Import—with significant refactors to file upload services, metadata handling, thumbnail generation, and parallel upload support. These changes enhance content reliability, data fidelity, and scalability, enabling smoother archiving, import/export workflows, and faster content onboarding.
May 2025
3 Commits • 2 Features
May 1, 2025May 2025 performance summary: Delivered two major features for Graasp content import—Graasp Archive Import and Restore and H5P Content Import—with significant refactors to file upload services, metadata handling, thumbnail generation, and parallel upload support. These changes enhance content reliability, data fidelity, and scalability, enabling smoother archiving, import/export workflows, and faster content onboarding.
April 2025
2 Commits • 1 Features
Apr 1, 2025April 2025 performance summary for graasp/graasp: Delivered a new Graasp export feature (graasp-manifest.json) with refactored export workflow and updated tests; fixed Docker Compose init.sql volume mapping to ensure DB initialization runs on container startup in the development environment; updated test coverage for the export flow; improved dev experience and portability, enabling smoother onboarding and data exchange for users.
2 Commits • 1 Features
Apr 1, 2025April 2025 performance summary for graasp/graasp: Delivered a new Graasp export feature (graasp-manifest.json) with refactored export workflow and updated tests; fixed Docker Compose init.sql volume mapping to ensure DB initialization runs on container startup in the development environment; updated test coverage for the export flow; improved dev experience and portability, enabling smoother onboarding and data exchange for users.
April 2025
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 (graasp/graasp) delivered a major feature enabling batch file management: Batch File Upload and Deletion. Refactored file handling services to support batch operations for both uploading and deleting, enabling bulk file management across the platform. The work included backend changes, service-layer updates, and alignment with existing storage integrations. This feature, tracked under (#1786) and implemented via commit 3f75867b7032db814c41644b5f86815e322b75f1, enhances throughput and user productivity while maintaining robust error handling.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 (graasp/graasp) delivered a major feature enabling batch file management: Batch File Upload and Deletion. Refactored file handling services to support batch operations for both uploading and deleting, enabling bulk file management across the platform. The work included backend changes, service-layer updates, and alignment with existing storage integrations. This feature, tracked under (#1786) and implemented via commit 3f75867b7032db814c41644b5f86815e322b75f1, enhances throughput and user productivity while maintaining robust error handling.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for graasp/graasp focused on delivering scalable item ingestion capabilities and strengthening the reliability of item creation workflows. Key feature delivered: batch item creation via postMany, coupled with a refactor of the existing post method to robustly handle item creation and associated data (geolocations, thumbnails). This enhances throughput, reduces API round-trips, and improves data integrity for downstream consumers. No major bugs were reported/recorded for this period; the work emphasizes reliability, predictable behavior, and better support for growth in item-rich workflows. Overall impact includes faster item ingestion, improved media/geolocation handling, and a stronger foundation for batch operations and future enhancements. Technologies/skills demonstrated include API design and refactoring, batch processing, data modeling for geolocations and media, and focus on maintainability and robustness with clear commit traces.
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for graasp/graasp focused on delivering scalable item ingestion capabilities and strengthening the reliability of item creation workflows. Key feature delivered: batch item creation via postMany, coupled with a refactor of the existing post method to robustly handle item creation and associated data (geolocations, thumbnails). This enhances throughput, reduces API round-trips, and improves data integrity for downstream consumers. No major bugs were reported/recorded for this period; the work emphasizes reliability, predictable behavior, and better support for growth in item-rich workflows. Overall impact includes faster item ingestion, improved media/geolocation handling, and a stronger foundation for batch operations and future enhancements. Technologies/skills demonstrated include API design and refactoring, batch processing, data modeling for geolocations and media, and focus on maintainability and robustness with clear commit traces.
February 2025
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024 (graasp/graasp): Delivered H5P File Upload Support and began refactoring of the upload service to correctly distinguish and handle H5P files during general uploads. Expanded test coverage to validate the new behavior.
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024 (graasp/graasp): Delivered H5P File Upload Support and began refactoring of the upload service to correctly distinguish and handle H5P files during general uploads. Expanded test coverage to validate the new behavior.
Activity
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Quality Metrics
Correctness88.8%
Maintainability81.2%
Architecture83.4%
Performance78.8%
AI Usage22.2%
Skills & Technologies
Programming Languages
JavaScriptTypeScriptYAML
Technical Skills
API DevelopmentAWS S3Backend DevelopmentData Export/ImportData Import/ExportData SerializationDatabase ManagementDevOpsDockerError HandlingFile HandlingFile ManagementFull Stack DevelopmentNode.jsRefactoring
Repositories Contributed To
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