feat: SQLite data store with Lesson/LessonMedia models and LessonStore #12

Closed

agent-engineering wants to merge 1 commit from agent-engineering/jellyfin-lessons:issue-4-data-store into main

agent-engineering commented

2026-05-16 04:38:19 +00:00

Contributor

Summary

Implements issue #4 — SQLite lesson data store.

Changes

csproj: Added Microsoft.Data.Sqlite 9.0.* with ExcludeAssets=runtime
Lesson.cs: Model with Id, Title, Grade, Subject, LessonDate, Description, SourcePath, CompiledHtml, CreatedAt, UpdatedAt + MediaItems nav property
LessonMedia.cs: Join model with LessonId, JellyfinItemId, SortOrder
LessonStore.cs: SQLite-backed CRUD store
- Constructor expands ~ in dbPath to home directory
- Creates lessons and lesson_media tables on init (CREATE TABLE IF NOT EXISTS)
- Enables foreign key enforcement via PRAGMA
- Methods: GetAllLessons(), GetLessonById(string), GetLessonsByGrade(int), UpsertLesson(Lesson, List<LessonMedia>), DeleteLesson(string)
- UpsertLesson uses INSERT ... ON CONFLICT DO UPDATE and replaces media entries in a transaction

Build

dotnet build passes with 0 errors, 0 warnings.

Closes #4

## Summary Implements issue #4 — SQLite lesson data store. ### Changes - **csproj**: Added `Microsoft.Data.Sqlite` 9.0.* with `ExcludeAssets=runtime` - **Lesson.cs**: Model with Id, Title, Grade, Subject, LessonDate, Description, SourcePath, CompiledHtml, CreatedAt, UpdatedAt + MediaItems nav property - **LessonMedia.cs**: Join model with LessonId, JellyfinItemId, SortOrder - **LessonStore.cs**: SQLite-backed CRUD store - Constructor expands `~` in dbPath to home directory - Creates `lessons` and `lesson_media` tables on init (CREATE TABLE IF NOT EXISTS) - Enables foreign key enforcement via PRAGMA - Methods: `GetAllLessons()`, `GetLessonById(string)`, `GetLessonsByGrade(int)`, `UpsertLesson(Lesson, List<LessonMedia>)`, `DeleteLesson(string)` - UpsertLesson uses INSERT ... ON CONFLICT DO UPDATE and replaces media entries in a transaction ### Build `dotnet build` passes with 0 errors, 0 warnings. Closes #4