Temporarily change to PR for testing

Signed-off-by: Fanit Kolchina <[email protected]>

Author: kolchfa-aws

.github/workflows/check-for-issue.yml

@@ -1,8 +1,10 @@
-name: PR Checklist
+name: Check for issue for blogs
 
 on:
   pull_request:
     types: [opened]
+    paths:
+      - '_posts/**'
 
 permissions:
   pull-requests: write
@@ -12,13 +14,28 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Check if PR adds new blog
+        id: check-new-blog
+        run: |
+          files_added=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            "https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files" \
+            | jq -r '.[] | select(.status == "added" and (.filename | startswith("_posts/"))) | .filename')
+          
+          if [ ! -z "$files_added" ]; then
+            echo "is_new_blog=true" >> $GITHUB_OUTPUT
+          else
+            echo "is_new_blog=false" >> $GITHUB_OUTPUT
+          fi
+
       - name: Get PR body
+        if: steps.check-new-blog.outputs.is_new_blog == 'true'
         id: pr-body
         run: |
           body="${{ github.event.pull_request.body }}"
           echo "body=${body}" >> $GITHUB_OUTPUT
 
       - name: Check for linked issues
+        if: steps.check-new-blog.outputs.is_new_blog == 'true'
         id: check-issues
         run: |
           body="${{ github.event.pull_request.body }}"
@@ -29,17 +46,17 @@ jobs:
           fi
 
       - name: Comment if no linked issue
-        if: steps.check-issues.outputs.has_issue == 'false'
+        if: steps.check-new-blog.outputs.is_new_blog == 'true' && steps.check-issues.outputs.has_issue == 'false'
         uses: peter-evans/create-or-update-comment@v3
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           issue-number: ${{ github.event.pull_request.number }}
           body: |
             Hi @${{ github.event.pull_request.user.login }}, 
             
-            Looks like there is no issue linked in this PR. Please link this PR to an open issue using one of these keywords in the PR description:
+            Looks like you're adding a new blog post and you don't have an issue mentioned. Please link this PR to an open issue using one of these keywords in the PR description:
             - Closes #issue-number
             - Fixes #issue-number
             - Resolves #issue-number
             
-            If there isn't an issue yet, please create one first and then link it to this PR.
+            If there isn't an issue yet, please [create one](https://github.com/opensearch-project/project-website/issues/new?template=blog_post.yml) and then link it to this PR.