fix pr alert (#297)

.github/workflows/pr.yml

@@ -1,17 +1,39 @@
 name: AlertOnPR
 
-on:
+on: 
   pull_request:
     types: [opened]
 jobs:
   test:
     name: Compile
     runs-on: ubuntu-latest
     steps:
-    - uses: rtCamp/action-slack-notify@master
-      env:
-        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
-        SLACK_CHANNEL: 'pr_alerts'
-        SLACK_USERNAME: 'luniebot'
-        SLACK_ICON: 'https://emoji.slack-edge.com/TH6F97TDF/lunie/4ac63c1d435c04dc.png'
-        SLACK_MESSAGE: ${{ github.event.pull_request.title }} | ${{ github.event.pull_request.body }} | ${{ github.event.pull_request._links.html.href }}
+    - name: curl message
+      run: |
+        curl -X POST ${{ secrets.SLACK_WEBHOOK }} \
+        -H 'Content-Type: application/json; charset=utf-8' \
+        --data-binary "
+        {
+          \"channel\": \"#pr_alerts\", 
+          \"username\": \"pr_alert\", 
+          \"icon_url\": \"https://emoji.slack-edge.com/TH6F97TDF/lunie/4ac63c1d435c04dc.png\",
+          \"attachments\": [
+                {
+                  \"fallback\": \"Required plain-text summary of the attachment.\",
+                  \"color\": \"#36a64f\",
+                  \"author_name\": \"${{github.event.pull_request.user.login}}\",
+                  \"author_link\": \"${{github.event.pull_request.user.url}}\",
+                  \"author_icon\": \"${{github.event.pull_request.user.avatar_url}}\",
+                  \"title\": \"${{github.event.pull_request.title}}\",
+                  \"title_link\": \"${{github.event.pull_request.html_url}}\",
+                  \"text\": \"${{github.event.pull_request.body}}\",
+                  \"fields\": [
+                    {
+                      \"title\": \"Repo\",
+                      \"value\": \"${{github.event.repository.full_name}}\",
+                      \"short\": false
+                    }
+                  ]
+                }
+              ]
+        }"