update: Manage course api for admin

[thanglp163]

Summary by CodeRabbit

• New Features
  • Added an admin-only endpoint to list published courses with search and level filters, sorting options, and aggregated stats (lessons count, duration in hours, total sections). Includes total results.
• Documentation
  • Updated API docs to cover the new admin published-courses endpoint.
• Refactor
  • Standardized naming for the lesson unpublish handler; no functional changes to routes or behavior.

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Project	Deployment	Preview	Comments	Updated (UTC)
neurolearn-backend	Ready	Preview	Comment	Aug 27, 2025 7:33am

[coderabbitai]

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Review failed

The pull request is closed.

Walkthrough

Adds an admin-only GET endpoint to list published courses with filtering and sorting, computing derived stats per course. Renames the unPublishLesson handler to unpublishLesson across controller and routes. Updates routing to include the new admin endpoint with auth middlewares and Swagger docs.

Changes

Cohort / File(s)	Summary of changes
Controller updates src/controllers/course.controller.ts	Renamed exported function unPublishLesson → unpublishLesson. Added exported handler getPublishedCoursesForAdmin to fetch published courses with optional filters (search, level), sorting, and derived stats (lessonsCount, durationInHours, totalSections). Populates related fields and returns { success, data, totalCourses }.
Route updates src/routes/course.route.ts	Switched route handler import/use to unpublishLesson. Added route GET /admin/published under /api/courses protected by updateAccessToken, isAuthenticated, and authorizeRoles('admin'), wired to getPublishedCoursesForAdmin. Updated imports and Swagger annotations.

Sequence Diagram(s)

sequenceDiagram
    actor Admin
    participant Route as /api/courses
    participant MW as Auth Middlewares
    participant Ctrl as getPublishedCoursesForAdmin
    participant CourseModel
    participant LessonModel
    participant Res as Response

    Admin->>Route: GET /admin/published?search&level&sortBy&sortOrder
    Route->>MW: updateAccessToken → isAuthenticated → authorizeRoles('admin')
    MW-->>Route: authorized
    Route->>Ctrl: invoke handler
    Ctrl->>CourseModel: find published courses + populate (author, category, subCategory, level)
    loop For each course
        Ctrl->>LessonModel: countDocuments by course sections
        LessonModel-->>Ctrl: lessonsCount
    end
    Ctrl-->>Res: { success: true, data, totalCourses }
    Res-->>Admin: 200 OK JSON

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• fix: course detail api to get quiz #52: Also modifies course.controller lesson publish/unpublish logic; relates to the rename to unpublishLesson.
• fix: course pagination #74: Adds/enhances course listing endpoints computing section/lesson counts and durations; aligns with the new admin published-courses endpoint.

Poem

I thump my paws—new routes appear,
An admin trail now crisp and clear.
Lessons unpublish, names aligned,
I nibble stats the code defined.
Hop, filter, sort—results in view,
Carrots for courses, fresh and true. 🥕

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📥 Commits

Reviewing files that changed from the base of the PR and between 157a420 and fded14d.

📒 Files selected for processing (2)

• src/controllers/course.controller.ts (2 hunks)
• src/routes/course.route.ts (4 hunks)

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