author-pr-assignment.yml

name: Assign author to PR

on:
  pull_request:
    types:
      - opened

permissions:
  issues: write
  pull-requests: write

concurrency:
  group: ${{github.workflow}}-${{github.ref}}
  cancel-in-progress: true

jobs:
  assign-author-to-pr:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        with:
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const issue_number = context.issue.number;
            const author = context.payload.pull_request.user.login;

            if (author.includes("bot")) {
              core.info(`Cannot add bot account (${author}) as assignee`);
              return;
            }

            const assignmentResult = await github.rest.issues.addAssignees({
              owner,
              repo,
              issue_number,
              assignees: [author],
            });

            core.debug(JSON.stringify(assignmentResult));
            core.info(`@${author} has been assigned to the pull request: #${context.issue.number}`);

            const assigneesResult = await github.rest.issues.listAssignees({
              owner,
              repo,
              issue_number
            });
            core.debug(JSON.stringify(assigneesResult));
            core.info(`Assignees for PR: ${JSON.stringify(assigneesResult.data.map(({login}) => login))}`);