feat: Trigger on opened PR, ready for review or sourcery-review lab…

…el (#4)

.github/workflows/sourcery_code_review.yaml

@@ -8,15 +8,17 @@ on:
     types:
     # Trigger the review when either of these events occur:
     #
-    # - a review is requested from any user
+    # - a pull request is opened and is not in draft state
+    # - a pull request is moved from draft to ready for review
     # - the "sourcery-review" label is added to the pull request: add this label
     #   to your pull request to trigger a review. To re-request reviews, remove the
     #   label and add it again.
     #
     # Feel free to edit this list to suit your team's needs. See the list of all
     # activity types here:
     # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request
-    - review_requested
+    - opened
+    - ready_for_review
     - labeled
 
 permissions:
@@ -27,11 +29,13 @@ permissions:
 
 jobs:
   sourcery-coding-assistant-review:
-    # Only run this job when a review is requested or the "sourcery-review"
-    # label is added to the pull request.
+    # Only run this job when a PR is opened and is not in draft state,
+    # is moved from draft to ready for review,
+    # or the "sourcery-review" label is added to the pull request.
     if: |
-      github.event.action == 'review_requested' ||
-        github.event.label.name == 'sourcery-review'
+      github.event.action == 'opened' && !github.event.pull_request.draft ||
+        github.event.action == 'ready_for_review' ||
+        github.event.action == 'labeled' && github.event.label.name == 'sourcery-review'
 
     runs-on: ubuntu-latest