selfAssign.yml

name: Self Assign Issue
on: 
  issue_comment:
    types:
      - created

jobs: 
  assign:
    runs-on: ubuntu-latest
    steps:
      - name: Check for command
        id: find_command
        uses: actions/github-script@v4
        with: 
          github-token: ${{ secrets.MY_TOKEN }}
          script: |
            const commentBody = context.payload.comment.body;
            const assignUsing = '/assignme';
            const commenter = context.payload.comment.user.login;
            const issueAssignees = context.payload.issue.assignees.map(assignee => assignee.login);
            const hasAssignees = issueAssignees.length > 0;

            console.log(`Comment Body: ${commentBody}`);
            console.log(`Command Present: ${commentBody.includes(assignUsing)}`);
            console.log(`Commenter: ${commenter}`);
            console.log(`Current Assignees: ${issueAssignees}`);

            if (!commentBody.includes(assignUsing)) {
              console.log('Command not present, nothing to do');
              return core.setOutput('toAssign', 'false');
            }

            if (hasAssignees && issueAssignees.includes(commenter)) {
              console.log('Issue is already assigned to the commenter.');
              return core.setOutput('toAssign', 'false');
            }

            if (hasAssignees) {
              console.log('Issue is already assigned to someone else.');
              const { owner, repo, number } = context.issue;
              const body = `Hey @${commenter}, the issue is already assigned to someone else. Feel free to work on another issue or create a new one! 😥`;
              await github.issues.createComment({ owner, repo, issue_number: number, body });
              return core.setOutput('toAssign', 'false');
            }

            console.log('Assigning the issue to the commenter.');
            core.setOutput('toAssign', 'true');

      - name: Assign the issue
        if: steps.find_command.outputs.toAssign == 'true'
        uses: actions/github-script@v4
        with:
          github-token: ${{ secrets.MY_TOKEN }}
          script: |
            const { owner, repo, number } = context.issue;
            const assignee = context.payload.comment.user.login;
            await github.issues.addAssignees({ owner, repo, issue_number: number, assignees: [assignee] });
            console.log(`Assigned the issue to ${assignee}.`);