Enhancement: Enable Public Repo Tracking Without Personal Access Token (PAT)

[Julliet-Mohanta]

Related Issue

• Closes: #<224>
  Issue 224:Enhancement: Enable Public Repo Tracking Without Personal Access Token (PAT)

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Description

---Changes:
1.Optional PAT: Make the PAT input field optional in the layout.
2.Unauthenticated Fetch: When a repository URL is entered, attempt to fetch data using a standard GET request to without an authorization header.
3.Fallback/Rate Limit Handling:If the request succeeds, render the tracking data immediately.
4.If the request fails due to a 403 (Rate Limit Exceeded), then prompt the user to provide a PAT("GitHub API rate limit exceeded. Please provide a PAT to continue.")
5..If the repository is private, show a specific message: "Private repository detected. Please input PAT".
6.If username is wrong,display('User not found. Please check the spelling of the GitHub username.').

How Has This Been Tested?

Run locally as well as in network

Screenshots (if applicable)

## Type of Change

• Bug fix
• [ X] New feature
• Code style update
• Breaking change
• Documentation update

Summary by CodeRabbit

• New Features

  • Authentication now works with username alone; Personal Access Token is optional.

• Bug Fixes

  • Improved error handling with more specific messages for API failures, including rate-limit and permission issues.

• Chores

  • Updated icon library dependency.

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[github-actions]

🎉 Thank you @Julliet-Mohanta for your contribution. Please make sure your PR follows https://github.com/GitMetricsLab/github_tracker/blob/main/CONTRIBUTING.md#-pull-request-guidelines

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 6a0d1a46-132b-4f44-b8bd-adbeb04fd9f4

📥 Commits

Reviewing files that changed from the base of the PR and between 56e17a3 and fe00793.

📒 Files selected for processing (4)

• package.json
• src/hooks/useGitHubAuth.ts
• src/hooks/useGitHubData.ts
• src/pages/Tracker/Tracker.tsx

💤 Files with no reviewable changes (1)

• src/pages/Tracker/Tracker.tsx

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📝 Walkthrough

Walkthrough

This PR enables optional Personal Access Token (PAT) authentication by making the token input optional, allowing Octokit to initialize without a token for unauthenticated API access, and improving error handling to distinguish between rate-limit, permission, and not-found failures. The octicons library dependency is also updated.

Changes

Optional PAT and Unauthenticated API Support

Layer / File(s)	Summary
Unauthenticated Octokit initialization src/hooks/useGitHubAuth.ts	octokit memoization now depends only on username presence, returning an unauthenticated Octokit instance when token is absent instead of requiring both username and token.
Improved error handling and fetch retry logic src/hooks/useGitHubData.ts	Early-return guard on fetchData no longer checks rateLimited, allowing retries when already rate-limited; success path explicitly resets rateLimited; error handler maps 403/401/404 status codes and message text patterns to specific error messages distinguishing rate-limit, permission, private repository, and not-found cases.
Optional token form field src/pages/Tracker/Tracker.tsx	Removed required prop from Personal Access Token TextField, allowing form submission without providing a token.
Dependency updates package.json	Bumped @primer/octicons-react from ^19.15.5 to ^19.25.0.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related issues

• Enhancement: Enable Public Repo Tracking Without Personal Access Token (PAT) #224: This PR directly implements optional PAT support and unauthenticated API access by removing the token requirement from the form, allowing Octokit to work without authentication, and improving error differentiation between rate-limit and permission failures.

Suggested labels

gssoc25, level1

Poem

🐰 A token optional, now flows so free,
Unauthenticated data for you and me,
Rate limits handled with graceful care,
Error messages clear, the burden less rare! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically summarizes the main objective of the pull request: enabling public repository tracking without requiring a Personal Access Token.
Description check	✅ Passed	The description includes related issue, detailed changes, testing approach, and type of change classification. While formatting could be cleaner and some sections are sparse, the core required information is present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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• Create PR with unit tests

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