Feature/task hotfix anh1

[anhlnp]

Summary by CodeRabbit

• New Features

  • Course lists now include a rating count for each course.

• Bug Fixes

  • More reliable logout behavior across environments with improved cookie clearing.
  • Reduced CORS-related errors: supports requests without Origin (e.g., mobile/cURL) and localhost in non-production.
  • Preflight (OPTIONS) requests handled correctly; improved header compatibility.

• Chores

  • Expanded CORS configuration (methods, allowed/exposed headers) to improve session and cookie interoperability.
  • Standardized token cookie options for better cross-environment consistency.

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Project	Deployment	Preview	Comments	Updated (UTC)
neurolearn-backend	Ready	Preview	Comment	Aug 29, 2025 5:30am

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Updates adjust CORS behavior in app.ts, add ratingCount to course listing responses, refine logout cookie-clearing flags, and extend JWT cookie option types to include an optional domain.

Changes

Cohort / File(s)	Summary of changes
CORS configuration and origin handling src/app.ts	Expanded CORS: handle no-origin requests; allow listed origins; allow localhost in non-prod; log and reject blocked origins. Methods include OPTIONS; headers include X-Requested-With; exposes Set-Cookie.
Course top endpoints response shape src/controllers/course.controller.ts	Added ratingCount to each course in getTopCourses and getTopViewing, computed from reviews length; no data retrieval or control flow changes.
Logout cookie clearing behavior src/controllers/user.controller.ts	Updated cookie clearing for access_token and refresh_token: env-dependent secure and sameSite, added path '/', removed fixed domain.
JWT token cookie options domain support src/utils/jwt.ts	ITokenOptions now includes optional domain. accessTokenOptions and refreshTokenOptions include domain (undefined), with minor syntax updates.

Sequence Diagram(s)

sequenceDiagram
    autonumber
    participant C as Client
    participant S as Server (Express)
    participant M as CORS Middleware
    participant Ctrl as Controller

    Note over C,S: Simple request or preflight (OPTIONS)

    C->>S: HTTP Request (with/without Origin)
    S->>M: Validate Origin, Method, Headers
    alt Allowed Origin / No Origin / Dev localhost
        M-->>S: CORS headers set (incl. Set-Cookie exposed)
        opt Preflight (OPTIONS)
            S-->>C: 204/200 with CORS allow headers
        end
        C->>S: Actual request
        S->>Ctrl: Route handler
        Ctrl-->>S: Response
        S-->>C: Response with CORS headers
    else Blocked Origin
        M-->>S: Error "Not allowed by CORS" (logged)
        S-->>C: 403/Error
    end

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sequenceDiagram
    autonumber
    participant C as Client
    participant S as Server (logoutUser)
    Note over S: Cookie flags depend on NODE_ENV

    C->>S: POST /logout
    S->>S: Clear access_token (path=/, secure=prod, sameSite=none in prod, lax otherwise)
    S->>S: Clear refresh_token (same flags)
    S-->>C: 200 Logged out

Loading

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• fix: auth #146 — Also modifies src/utils/jwt.ts cookie option attributes, including environment-dependent flags and domain handling.
• Feature/task 85 anh #86 — Touches src/controllers/course.controller.ts, changing getTopCourses output fields (related to this PR’s response shape adjustments).
• fix: fix review course api #109 — Updates getTopCourses/getTopViewing responses in course.controller, overlapping with this PR’s additions.

Poem

A hop, a skip, through CORS-y air,
I sniff the headers—handled with care.
Stars for ratings, cookies set free,
Domain optional, as it should be.
With tidy exits and routes that sing,
I thump my paw—ship this thing! 🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 1daf32c and dd251ab.

📒 Files selected for processing (4)

• src/app.ts (1 hunks)
• src/controllers/course.controller.ts (2 hunks)
• src/controllers/user.controller.ts (1 hunks)
• src/utils/jwt.ts (3 hunks)

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• Create PR with unit tests
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• Commit unit tests in branch feature/task-hotfix_anh1

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