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chanyoung-hur

PROFILE

Chanyoung-hur

Caleb Chan contributed to the gordon-360-api and gordon-360-ui repositories, delivering 23 features and resolving 10 bugs over three months. He built graduation workflows, marketplace infrastructure, and enhanced user privacy controls, focusing on robust backend API development with C#, ASP.NET Core, and Entity Framework. Caleb refactored data retrieval using SQL JOINs and dictionary-based lookups to improve performance and maintainability, while also implementing authentication and role-based access. On the frontend, he improved React-based UI components with TypeScript, ensuring accurate data flow and responsive messaging. His work demonstrated depth in database modeling, API integration, and end-to-end system reliability improvements.

Overall Statistics

Feature vs Bugs

70%Features

Repository Contributions

58Total
Bugs
10
Commits
58
Features
23
Lines of code
2,403
Activity Months3

Work History

July 2025

3 Commits • 2 Features

Jul 1, 2025

July 2025 – Gordon-360-api: Delivered two admin-focused enhancements and a stability fix that improve admin workflow efficiency, data accuracy, and maintainability. Implemented ID-based filtering for admin marketplace thread search and refactored data retrieval to use JOINs with dictionary-based lookups, speeding up listings and poster username retrieval while handling nulls more gracefully. Result: faster, more reliable admin operations and reduced maintenance overhead. Technologies/skills demonstrated include C#, ASP.NET, SQL JOINs, dictionary patterns, and performance-oriented refactoring.

June 2025

54 Commits • 21 Features

Jun 1, 2025

June 2025 Monthly Summary for Gordon 360 API & UI Overview: A focused sprint across backend API (gordon-360-api) and frontend UI (gordon-360-ui) delivering core graduation workflows, marketplace capabilities, UI enhancements, and robust quality fixes. The work emphasizes business value (graduation processing, marketplace enablement, and improved user access) while strengthening architecture through refactoring and better error handling. Key features delivered: - Graduation feature groundwork and service interface integration (api): initial Graduation groundwork; added GetGraduationInfo to ServiceInterfaces. Commits: acda6348d87489c89015472e9181c04e99a124c0; eccb7e5b957829efa7bf043f3c0afcda06f6db0f - Marketplace backend and database changes (api): backend scaffolding for marketplace and database schema changes enabling marketplace data flows. Commits: 8ef1cea0f88475ce131809281e366b16b6ce2616; 8704147e9f5a17766c3819c5e05c62e644d0c4ac - MVC layer improvements (api): controller and ViewModel scaffolding and updates. Commit: f95876d5e75f2a3371a0c4bd5b88f87bcd434da8 - Image processing enhancements (api): added processing function and subsequent fixes and error handling for image workflows. Commits: 98320cbf7bd21e0309b9c1b05d0d95ebfb878575; 3e8a980fa82a15b920cea5b7bbfe9df1c98eebb9; 00bfe7b81c2f31d7642c26782840a17a75c249bc - User authentication (api): implemented authentication mechanism. Commit: d765b205e2b968c067ae3f88ee64924ab82ac414 - Post default status change (api): set default post status to 1. Commit: 0227c0f9e3a431b319a135b79283d2f2a36f36b2 - Listing enhancements (api): added sorting, searching, pagination, and extended DB schema (categories/conditions) with deletedAt column. Commits: d176915dc1699e5e5ccee55e3ccb6bfc8128dcac; a43c75a4f1badb07cf64b2720b74bcd1c4515737; 0fc4762804277dd05bdcd1135ffab89b7aa333f9; 038c69a28bfb23dc5fd4468acd33cbfcc257c9a1 - Admin/permissions and data integrity fixes (api): admin check enhancements; fix missing prefix in program startup; typo fixes; merge conflict resolution; code cleanup. Commits: ab0708b0c4dce33bb11006754b6846528a1887a6; caf04894d07366ab0e476d6d8271d19dc2f6d048; dc37eed4be711e6c4cbe2bdc40dddc307c80e924; b08fea286f66cd9ba9ace67268cd707d9b4fd26d - UI enhancements and infra (ui): graduation warning UI messaging improvements, profile notes/links handling, UI scaffolding for join date, and role refactor (Student vs Facstaff). Commits: bbcd74efcebcc39c3e7d3eff8a37e74b450511cc; f150cf709d9104981c5201d4f9ad7e371fce18fa; 674db5549495a45ce26b0092feb9eea2399d1d04; 2058573b811ba99962780938ed970a4357f4b559; c90ee6c1577dd100d325b124941b02d89d302f3c; 1cfb5ff29f45df3a94b37e671a8e5243c0e9e12c; afe8c00db89772acffb585c72e7d373e8c829c84; 36a4d462f740740837db5e5226073c6af5d235d9 - Backend/frontend integration (ui/api): Backend integration and marketplace HTTP services; UI messaging enhancements including AcademicInfoViewer and Facstaff messaging. Commits: d7547389db6648da3c4bc59e0419957af5e9dc30; 1b5e2a5524d681ca387aa2c8ee5df5cf4fbcaf00; 3ded47e0810a45e80617660906f2c91f4ac59644; a8a1c9c0027e98904582e77470dd63d225dd7c81; 9436a536e40ce45446ad3e0243189c366c0a354d; 60c8859cc81d588b4023eadc255bb2b04fa521cd; e8c5f19a82fa1f03b0ba126774ea171b30e0fed8 - Guest transcripts and date parsing improvements (ui/api): fixes and parsing improvements. Commits: 8423671b88c124380e960d8676a91a8b4dd76393; ec3602628ebd21f3936fe25284e90987dca394fd; 2a2c39e449371769dd7b2324ddb72916e6da4dce; 0ea2a03238d34966db0d3059e60dfdb4b1691b0e Major bugs fixed: - Listing Update Permissions Bug: restricted updates to authenticated users with roles. Commit: 390955bcf871f13fb15a8b06a92d3c85e0f7db88 - Admin authorization edge cases: fixed admin check and related edge cases. Commits: ab0708b0c4dce33bb11006754b6846528a1887a6; caf04894d07366ab0e476d6d8271d19dc2f6d048 - Startup startup issue: fix missing prefix in program.cs. Commit: dc37eed4be711e6c4cbe2bdc40dddc307c80e924 - General bug fixes and syntax corrections across api/ui. Commits: db0d4e59dd3588feb7e1ae65754886ed4d1c33e2; d93b7de58bc62a3cf755fa1f25df6724809ee9d4; e298ceeebe1321a2aa63dafd7ddc6a5e689cc246; 57a1875a0e2385f2073c651fce899b43f84e2c24; 0b9e4b864cce3ac82cd3c9ea2ed48daffa2e93b8; 8d417b6b3812ec79fe6cd982e4aec67f35f8b6de - Merge conflict resolution: served conflicts resolution. Commit: 8d417b6b3812ec79fe6cd982e4aec67f35f8b6de - Guest transcript rendering fixes. Commit: 8423671b88c124380e960d8676a91a8b4dd76393 Overall impact and accomplishments: - Accelerated graduation workflow readiness through API service integration and UI messaging improvements, enabling faster student data processing and better user visibility. - Established a solid foundation for the marketplace with backend + DB changes, enhanced data modeling, and robust listing capabilities (sorting, filtering, pagination, categories, and deletion tracking). - Improved system reliability and security with admin checks, authentication, startup fixes, and comprehensive bug resolutions; began refactoring for maintainability and clearer service boundaries. - Enhanced user experience via UI enhancements (graduation warnings, profile notes, join-date scaffolding) and improved messaging consistent with AcademicInfoViewer and Facstaff contexts. Technologies/skills demonstrated: - Backend API design: Graduation service interfaces, productized endpoints, and service cleanup/refactor. - Data modeling and migrations: schema changes for categories, conditions, and deletedAt support; listing-related migrations. - Frontend/UI engineering: UI scaffolding, snackbar messaging, join date UI, role-based UI refactors, and useEffect dependency management. - Security and access control: authenticated listing updates and admin checks. - Quality practices: extensive bug fixing, code cleanup, review-driven changes, and merge conflict resolution.

May 2025

1 Commits

May 1, 2025

May 2025 — gordon-360-ui: Stabilized user profile privacy controls and improved data handling to ensure privacy changes are reflected immediately and the profile data remains fresh. Delivered a focused bug fix with measurable impact on UI correctness and reliability; completed code hygiene improvements and component-level data flow refinements in the Identification component. This work strengthens user trust, reduces support risk from stale data, and enhances maintainability of the profile feature.

Activity

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Quality Metrics

Correctness85.4%
Maintainability84.8%
Architecture79.8%
Performance84.0%
AI Usage20.8%

Skills & Technologies

Programming Languages

C#CSSHTMLJavaScriptSQLTypeScript

Technical Skills

API DevelopmentAPI IntegrationASP.NET CoreAuthenticationAuthorizationBackend DevelopmentBackground ServicesC#Data ManagementDatabase DesignDatabase IntegrationDatabase ManagementDatabase ModelingDatabase OptimizationDatabase Query Optimization

Repositories Contributed To

2 repos

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

gordon-cs/gordon-360-ui

May 2025 Jun 2025
2 Months active

Languages Used

JavaScriptTypeScriptCSSHTML

Technical Skills

Front End DevelopmentReactTypeScriptUI DevelopmentAPI IntegrationFront-end Development

gordon-cs/gordon-360-api

Jun 2025 Jul 2025
2 Months active

Languages Used

C#SQL

Technical Skills

API DevelopmentASP.NET CoreAuthenticationAuthorizationBackend DevelopmentBackground Services

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