nit: Use shareable discord flow to use it from other repo (#5746)

* cleaning

* cleaning

* fix

* Update .github/workflows/discord-notification.yml

Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>

---------

Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>

.github/workflows/discord-notification.yml

@@ -0,0 +1,18 @@
+name: "Send discord notification when a PR is ready for review"
+
+on:
+  pull_request:
+    types:
+      - opened
+      - ready_for_review
+
+jobs:
+  call_reusable_workflow:
+    if: github.event.pull_request.draft == false
+    uses: ./.github/workflows/shareable-discord-notification.yml
+    with:
+      PR_TITLE: ${{ github.event.pull_request.title }}
+      PR_URL: ${{ github.event.pull_request.html_url }}
+      PR_AUTHOR: ${{ github.event.pull_request.user.login }}
+    secrets:
+      DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_PR_REVIEWS_WEBHOOK }}

.github/workflows/pr-opened.yml

@@ -1,34 +0,0 @@
-name: "Notify Discord on New PR (with Thread)"
-
-on:
-  pull_request:
-    types:
-      - opened
-      - ready_for_review
-
-jobs:
-  discord_notification:
-    # still guard out any drafts (just in case)
-    if: github.event.pull_request.draft == false
-    runs-on: ubicloud-standard-2
-    steps:
-      - name: Send Discord notification and start a thread
-        env:
-          WEBHOOK_URL: ${{ secrets.DISCORD_PR_REVIEWS_WEBHOOK }}
-          PR_TITLE: ${{ github.event.pull_request.title }}
-          PR_URL: ${{ github.event.pull_request.html_url }}
-          PR_AUTHOR: ${{ github.event.pull_request.user.login }}
-        run: |
-          payload=$(jq -n \
-            --arg content "${PR_URL}" \
-            --arg thread "$PR_TITLE by \`${PR_AUTHOR}\`" \
-            '{
-              content: $content,
-              thread_name: $thread,
-              auto_archive_duration: 10080
-            }'
-          )
-          curl -H "Content-Type: application/json" \
-               -X POST \
-               --data "$payload" \
-               "$WEBHOOK_URL"

.github/workflows/shareable-discord-notification.yml

@@ -0,0 +1,46 @@
+name: "Send discord notification when a PR is ready for review"
+
+on:
+  workflow_call:
+    inputs:
+      PR_TITLE:
+        description: "The title of the PR"
+        required: true
+        type: string
+      PR_URL:
+        description: "The URL of the PR"
+        required: true
+        type: string
+      PR_AUTHOR:
+        description: "The author of the PR"
+        required: true
+        type: string
+    secrets:
+      DISCORD_WEBHOOK_URL:
+        description: "Discord Webhook URL"
+        required: true
+
+jobs:
+  send_notification:
+    runs-on: ubicloud-standard-2
+    steps:
+      - name: Send Discord notification and start a thread
+        env:
+          WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
+          PR_TITLE: ${{ inputs.PR_TITLE }}
+          PR_URL: ${{ inputs.PR_URL }}
+          PR_AUTHOR: ${{ inputs.PR_AUTHOR }}
+        run: |
+          payload=$(jq -n \
+            --arg content "${PR_URL}" \
+            --arg thread "$PR_TITLE by \`${PR_AUTHOR}\`" \
+            '{
+              content: $content,
+              thread_name: $thread,
+              auto_archive_duration: 10080
+            }'
+          )
+          curl -H "Content-Type: application/json" \
+               -X POST \
+               --data "$payload" \
+               "$WEBHOOK_URL"