discussion_auto_close.yml

name: Auto-Close Very Short Discussions

on:
  discussion:
    types: [created]

permissions:
  discussions: write

jobs:
  validate-discussion:
    runs-on: ubuntu-latest
    steps:
      - name: Check word and character count
        id: validation
        run: |
          MIN_WORDS=5
          MIN_CHARS=10

          BODY=$(jq -r '.discussion.body' "$GITHUB_EVENT_PATH")
          WORD_COUNT=$(echo "$BODY" | wc -w)
          CHAR_COUNT=$(echo -n "$BODY" | wc -m)

          if [ "$WORD_COUNT" -lt $MIN_WORDS ] || [ "$CHAR_COUNT" -lt $MIN_CHARS ]; then
            echo "too_short=true" >> "$GITHUB_OUTPUT"
            echo "words=$WORD_COUNT" >> "$GITHUB_OUTPUT"
            echo "chars=$CHAR_COUNT" >> "$GITHUB_OUTPUT"
          else
            echo "too_short=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Comment and close if too short
        if: steps.validation.outputs.too_short == 'true'
        run: |
          curl -X POST \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github.v3+json" \
            "https://api.github.com/repos/${{ github.repository }}/discussions/${{ github.event.discussion.number }}/comments" \
            -d '{"body": "⚠️ Discussion closed: To protect against spam, discussion posts that do not meet a minimum word and character count are automatically closed. Please provide more details in your post."}'

          curl -X PATCH \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github.v3+json" \
            "https://api.github.com/repos/${{ github.repository }}/discussions/${{ github.event.discussion.number }}" \
            -d '{"state": "closed"}'