Add OpenGraph definition

openSUSE · Jan 11, 2024 · 6342e3e · 6342e3e
1 parent 9acde16
commit 6342e3e
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Showing 2 changed files with 34 additions and 7 deletions.
diff --git a/action.yaml b/action.yaml
@@ -40,22 +40,45 @@ runs:
     - run: sudo apt-get install -y kramdown weasyprint imagemagick ghostscript
       shell: bash
     - name: Render Markdown from configured backlog queries
-      run: python backlogger/backlogger.py ${{ inputs.config }} ${{ inputs.args }}
+      run: |
+        python backlogger/backlogger.py ${{ inputs.config }} ${{ inputs.args }}
+        echo "BACKLOG_STATUS=$?" >> "$GITHUB_ENV"
       env:
         REDMINE_API_KEY: ${{ inputs.REDMINE_API_KEY }}
       shell: bash
+    - name: Define variables
+      run: |
+          org=${{ github.repository_owner }}
+          repo=$(cut -f2 -d/ <<<${{ github.repository }})
+          [ "${{ github.event_name }}" == pull_request ] && extra="/pr-preview/pr-${{ github.event.number }}"
+          preview="preview_$(date +%s).png"
+          echo "PREVIEW_NAME=$preview" >> "$GITHUB_ENV"
+          echo "PREVIEW_URL=https://$org.github.io/$repo$extra/$preview" >> "$GITHUB_ENV"
+          if [ "${{ env.BACKLOG_STATUS }}" -eq 0 ]; then
+            color="#55cc33"
+          else
+            color="#cc3333"
+          fi
+          echo "STATUS_COLOR=$color" >> "$GITHUB_ENV"
+      shell: bash
     - name: Render HTML
       run: |
           mkdir -p ${{ inputs.folder }}
           cd ${{ inputs.folder }}
-          cat ../backlogger/head.html >index.html
-          kramdown ../index.md >>index.html
-          sed s@GITHUB_REPOSITORY@${{ github.repository }}@g ../backlogger/foot.html >>index.html
+          cat ../backlogger/head.html > index.html
+          kramdown ../index.md >> index.html
+          cat ../backlogger/foot.html >> index.html
+          sed -i \
+            -e "s@STATUS_COLOR@${{ env.STATUS_COLOR }}@g" \
+            -e "s@GITHUB_REPOSITORY@${{ github.repository }}@g" \
+            -e "s@PREVIEW_IMAGE_URL@${{ env.PREVIEW_URL }}@g" \
+            -e "s@WORKFLOW_NAME@${{ github.workflow }}@g" \
+            index.html
       shell: bash
     - name: Render PNG preview
       run: |
         cd ${{ inputs.folder }}
         # Remove workaround for already fixed CVE-2018-16509
         sudo sed -i '/rights="none" pattern="PDF"/d' /etc/ImageMagick-6/policy.xml
-        weasyprint index.html - | convert - -trim preview.png
+        weasyprint index.html - | convert - -trim ${{ env.PREVIEW_NAME }}
       shell: bash
diff --git a/head.html b/head.html
@@ -1,11 +1,15 @@
-<html>
+<html prefix="og: https://ogp.me/ns#">
 <head>
 <title>Backlog Status</title>
 <meta charset="UTF-8">
+<!-- Facebook / Slack tags -->
+<meta property="og:title" content="WORKFLOW_NAME" />
+<meta property="og:url" content="https://github.com/GITHUB_REPOSITORY" />
+<meta property="og:image" content="PREVIEW_IMAGE_URL" />
 <style>
 body {
     font-family: Verdana, Arial;
-    border-top: 5px solid #55cc33;
+    border-top: 5px solid STATUS_COLOR;
     margin: 0px 5px 5px 5px;
 }
 table {