bluesky-new-post.yml

name: Post New Blog to Bluesky

on:
  workflow_run:
    workflows: ["Scheduled Deploy"]
    types:
      - completed
  schedule:
    # 8 AM Eastern: 13:00 UTC (EST) / 12:00 UTC (EDT)
    # Using 13:00 UTC = 8 AM EST, 9 AM EDT
    - cron: '0 13 * * *'
  workflow_dispatch:
    inputs:
      target_date:
        description: 'Date to look for posts (YYYY-MM-DD). Defaults to current date.'
        required: false
        type: string

jobs:
  check-trigger:
    runs-on: ubuntu-latest
    outputs:
      should_continue: ${{ steps.check.outputs.should_continue }}
    steps:
      - name: Check if we should continue
        id: check
        run: |
          if [ "${{ github.event_name }}" == "workflow_run" ]; then
            if [ "${{ github.event.workflow_run.conclusion }}" != "success" ]; then
              echo "Scheduled Deploy failed, skipping"
              echo "should_continue=false" >> $GITHUB_OUTPUT
              exit 0
            fi
          fi
          echo "should_continue=true" >> $GITHUB_OUTPUT

  detect:
    needs: check-trigger
    if: needs.check-trigger.outputs.should_continue == 'true'
    uses: CodingWithCalvin/.github/.github/workflows/detect-blog-post-from-rss.yml@main
    with:
      rss_url: 'https://www.codingwithcalvin.net/rss.xml'
      target_date: ${{ inputs.target_date }}

  notify-bluesky:
    needs: detect
    if: needs.detect.outputs.has_posts == 'true'
    uses: CodingWithCalvin/.github/.github/workflows/bluesky-post.yml@main
    with:
      post_text: |
        New Blog Post!

        [${{ needs.detect.outputs.post_title }}](${{ needs.detect.outputs.post_url }})

        ${{ needs.detect.outputs.post_hashtags }}
      embed_url: ${{ needs.detect.outputs.post_url }}
      embed_title: ${{ needs.detect.outputs.post_title }}
      embed_description: ${{ needs.detect.outputs.post_description }}
      embed_image_url: ${{ needs.detect.outputs.post_image_url }}
    secrets:
      BLUESKY_USERNAME: ${{ secrets.BLUESKY_USERNAME }}
      BLUESKY_APP_PASSWORD: ${{ secrets.BLUESKY_APP_PASSWORD }}

  notify-x:
    needs: detect
    if: needs.detect.outputs.has_posts == 'true'
    uses: CodingWithCalvin/.github/.github/workflows/x-post.yml@main
    with:
      post_text: |
        New Blog Post!

        ${{ needs.detect.outputs.post_title }}

        ${{ needs.detect.outputs.post_hashtags }}
      embed_url: ${{ needs.detect.outputs.post_url }}
    secrets:
      X_CONSUMER_KEY: ${{ secrets.X_CONSUMER_KEY }}
      X_CONSUMER_KEY_SECRET: ${{ secrets.X_CONSUMER_KEY_SECRET }}
      X_ACCESS_TOKEN: ${{ secrets.X_ACCESS_TOKEN }}
      X_ACCESS_TOKEN_SECRET: ${{ secrets.X_ACCESS_TOKEN_SECRET }}

  update-frontmatter:
    needs: [detect, notify-bluesky]
    if: needs.detect.outputs.has_posts == 'true' && needs.notify-bluesky.outputs.post_id != ''
    runs-on: ubuntu-latest
    steps:
      - name: Checkout blog repo
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.CONTRIBUTORS_TOKEN }}

      - name: Find and update blog post
        run: |
          POST_URL="${{ needs.detect.outputs.post_url }}"
          POST_ID="${{ needs.notify-bluesky.outputs.post_id }}"

          echo "Post URL: $POST_URL"
          echo "Post ID: $POST_ID"

          # Extract slug from URL (e.g., https://www.codingwithcalvin.net/my-post/ -> my-post)
          SLUG=$(echo "$POST_URL" | sed -E 's|https?://[^/]+/([^/]+)/?|\1|')
          echo "Extracted slug: $SLUG"

          # Find the markdown file (could be in any year directory)
          FILE=$(find src/content/blog -path "*/${SLUG}/index.md" | head -1)

          if [ -z "$FILE" ]; then
            echo "Could not find file for slug: $SLUG"
            exit 1
          fi

          echo "Found file: $FILE"

          # Check if blueskyPostId already exists
          if grep -q "^blueskyPostId:" "$FILE"; then
            echo "blueskyPostId already exists, skipping"
            exit 0
          fi

          # Add blueskyPostId before the closing --- of frontmatter
          # Using awk for more reliable YAML manipulation
          awk -v post_id="$POST_ID" '
            BEGIN { in_frontmatter = 0; frontmatter_end = 0 }
            /^---$/ {
              if (in_frontmatter == 0) {
                in_frontmatter = 1
                print
                next
              } else {
                print "blueskyPostId: \"" post_id "\""
                in_frontmatter = 0
                frontmatter_end = 1
              }
            }
            { print }
          ' "$FILE" > "$FILE.tmp" && mv "$FILE.tmp" "$FILE"

          echo "Updated $FILE with blueskyPostId: $POST_ID"
          echo "New frontmatter:"
          head -20 "$FILE"

      - name: Commit and push
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          git add -A
          if git diff --staged --quiet; then
            echo "No changes to commit"
            exit 0
          fi

          git commit -m "chore(blog): add blueskyPostId to post frontmatter"
          git push