feat: add check-api-key in translate-docs workflow

Author: xiaoyu2er

.github/workflows/translate-docs.yml

@@ -28,10 +28,31 @@ permissions:
   pull-requests: write
 
 jobs:
-  translate:
+  check-api-key:
     runs-on: ubuntu-latest
     # Run when manually triggered OR scheduled OR when the commit message contains "Merge pull request"
     if: ${{ github.event_name == 'workflow_dispatch' || github.event_name == 'schedule' || contains(github.event.head_commit.message, 'Merge pull request') }}
+    outputs:
+      api_key_exists: ${{ steps.check-api-key.outputs.api_key_exists }}
+    steps:
+      # Check if API key is available
+      - name: Check API key
+        id: check-api-key
+        env:
+          API_KEY: ${{ secrets.OPENAI_API_KEY }}
+        run: |
+          if [ -z "$API_KEY" ]; then
+            echo "OPENAI_API_KEY secret is not set. Skipping translation."
+            echo "api_key_exists=false" >> $GITHUB_OUTPUT
+          else
+            echo "OPENAI_API_KEY secret is available. Proceeding with translation."
+            echo "api_key_exists=true" >> $GITHUB_OUTPUT
+          fi
+
+  translate:
+    runs-on: ubuntu-latest
+    needs: check-api-key
+    if: ${{ needs.check-api-key.outputs.api_key_exists == 'true' }}
     steps:
       # Checkout the repository first to access local actions
       - name: Checkout code