issue-auto-assign.yml

name: Auto Assign Issue on Command

on:
  issue_comment:
    types: [created] 

jobs:
  assign_on_command:
    runs-on: ubuntu-latest
    permissions:
      issues: write
      contents: read
    steps:
      - name: Assign to user on /assign command
        uses: actions/github-script@v6
        with:
          github-token: ${{secrets.IVORY_TOKEN}}
          script: |
            const commentBody = context.payload.comment.body.trim().toLowerCase();
            const commenter = context.payload.comment.user.login;
            const issueNumber = context.issue.number;
            const repoOwner = context.repo.owner;
            const repoName = context.repo.repo;

            if (commentBody === '/assign') {
              console.log(`User @${commenter} commented "/assign" on issue #${issueNumber}. Attempting to assign.`);

              if (commenter.endsWith('[bot]') || commenter === 'github-actions[bot]') {
                console.log(`Skipping assignment for bot user: ${commenter}`);
                return;
              }

              const { data: issue } = await github.rest.issues.get({
                owner: repoOwner,
                repo: repoName,
                issue_number: issueNumber
              });

              if (issue.assignees && issue.assignees.some(a => a.login === commenter)) {
                console.log(`Issue #${issueNumber} is already assigned to @${commenter}. No action needed.`);
                return;
              }

              if (issue.state === 'closed') {
                console.log(`Issue #${issueNumber} is closed. No assignment will be made.`);
                await github.rest.issues.createComment({
                  owner: repoOwner,
                  repo: repoName,
                  issue_number: issueNumber,
                  body: `Hi @${commenter}, issue #${issueNumber} is closed and cannot be assigned.`
                });
                return;
              }

              try {
                await github.rest.issues.addAssignees({
                  owner: repoOwner,
                  repo: repoName,
                  issue_number: issueNumber,
                  assignees: [commenter]
                });
                console.log(`Successfully assigned issue #${issueNumber} to @${commenter}.`);
              } catch (error) {
                console.error(`Error assigning issue #${issueNumber} to @${commenter}:`, error);
                await github.rest.issues.createComment({
                  owner: repoOwner,
                  repo: repoName,
                  issue_number: issueNumber,
                  body: `Hi @${commenter}, I encountered an error trying to assign you to issue #${issueNumber}. Please check permissions or assign manually. \nError: ${error.message}`
                });
              }
            } else {
              console.log(`Comment by @${commenter} on issue #${issueNumber} was not an "/assign" command. Body: "${context.payload.comment.body.trim()}"`);
            }