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Marek Langer

PROFILE

Marek Langer

Over four months, contributed to the sps-trutnov-eps/projekt-4ep-prehledovnik repository by building and refining a dynamic school calendar system. Developed features such as year-week list generation, dynamic odd/even week scheduling, and daily event rendering, focusing on accurate academic-year planning and improved user experience. The work involved refactoring week-number calculations, integrating database-driven schedule data, and enhancing UI elements for clarity and usability. Addressed edge cases in date manipulation and fixed diacritics handling for Czech day abbreviations. Leveraged JavaScript, HTML, and CSS across both backend and frontend, emphasizing maintainability, data fidelity, and scalable scheduling logic throughout the project.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

8Total
Bugs
1
Commits
8
Features
6
Lines of code
743
Activity Months4

Work History

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for projekt-4ep-prehledovnik: Delivered Dynamic School Year Calculation and Week Tracking to align school year boundaries with the current date and modernize week tracking. The feature refactors the determination of the first Monday in September and updates week-number calculations to reflect the new year determination, enabling more accurate school-week reporting. A dedicated fix commit (oprava #187) was applied to stabilize edge cases in year calculations and week tracking.

January 2025

2 Commits • 1 Features

Jan 1, 2025

January 2025 demonstrated strong emphasis on UI reliability and usability of the calendar feature in projekt-4ep-prehledovnik. Key outcomes include the consolidation of calendar view toggles into a single, clearly labeled control and the resolution of a diacritics handling bug that previously impacted weekly calendar rendering for Czech users. These changes improve user experience, reduce support issues related to calendar display, and enhance maintainability of the calendar module.

December 2024

4 Commits • 3 Features

Dec 1, 2024

December 2024: Delivered three core calendar features for projekt-4ep-prehledovnik that improve accuracy, reliability, and end-user visibility: dynamic odd/even week scheduling, database-driven schedule data with auto version loading, and daily events rendering. These changes increase data fidelity, reduce manual maintenance, and provide a scalable foundation for future enhancements.

November 2024

1 Commits • 1 Features

Nov 1, 2024

November 2024 monthly summary for repository sps-trutnov-eps/projekt-4ep-prehledovnik focusing on feature delivery and code quality. Delivered a new calendar feature: generation of a year-week list for the school calendar, with a refactored week-number calculation and expanded data structures to support a detailed weekly timetable. No major bugs fixed this month; the emphasis was on feature delivery, data-model improvements, and maintainability to enable more accurate academic-year planning and reporting. Business value includes improved scheduling accuracy, streamlined calendar generation, and better reporting capabilities. Technologies and skills demonstrated include feature-driven development, refactoring, data-model design, and commit-driven delivery.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture70.0%
Performance72.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSHTMLJavaScriptejs

Technical Skills

Backend DevelopmentCSSDatabase IntegrationDate ManipulationFront End DevelopmentFrontend DevelopmentFull Stack DevelopmentHTMLJavaScriptJavaScript DevelopmentUI/UX

Repositories Contributed To

1 repo

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

sps-trutnov-eps/projekt-4ep-prehledovnik

Nov 2024 Feb 2025
4 Months active

Languages Used

JavaScriptejsCSSHTML

Technical Skills

Frontend DevelopmentFull Stack DevelopmentJavaScriptBackend DevelopmentDatabase IntegrationFront End Development