automatic_pr_comment.yaml

name: UofT-DSI Main Repository PR Workflow

on:
  pull_request_target:
    types: [opened, reopened]

permissions:
  contents: read
  issues: write
  pull-requests: write

jobs:
  handle-pr:
    if: github.repository_owner == 'UofT-DSI'
    runs-on: ubuntu-latest
    steps:
      - name: Handle PR based on author access
        uses: actions/github-script@v6
        with:
          script: |
            const pr = context.payload.pull_request;
            const issue_number = pr.number;
            const repo = context.repo;
            let permission = "none";
            try {
              const response = await github.rest.repos.getCollaboratorPermissionLevel({
                owner: repo.owner,
                repo: repo.repo,
                username: pr.user.login
              });
              permission = response.data.permission;
            } catch (error) {
              if (error.status !== 404) {
                throw error;
              }
            }

            if (!["write", "admin"].includes(permission)) {
              const commentBody = `This pull request was made to the wrong repository. If you are a participant, please close it and open it in your own fork instead. Refer to the [Assignment Submission Guide](https://github.com/UofT-DSI/onboarding/blob/main/onboarding_documents/submissions.md) for detailed instructions.`;

              await github.rest.issues.createComment({
                owner: repo.owner,
                repo: repo.repo,
                issue_number: issue_number,
                body: commentBody
              });

              await github.rest.pulls.update({
                owner: repo.owner,
                repo: repo.repo,
                pull_number: issue_number,
                state: "closed"
              });
            } else {
              const commentBody = `Thanks for your contribution! 🎉\n\nPlease remember to tag or request a review from the DSI team. Give us up to 72 hours to review your pull request. We appreciate your patience and efforts.`;

              await github.rest.issues.createComment({
                owner: repo.owner,
                repo: repo.repo,
                issue_number: issue_number,
                body: commentBody
              });
            }