feat: [PIPE-28869]: Added support for pull_request_review

Author: shivamnegi94

scm/driver/github/webhook.go

@@ -50,6 +50,9 @@ func (s *webhookService) Parse(req *http.Request, fn scm.SecretFunc) (scm.Webhoo
 		hook, err = s.parseReleaseHook(data)
 	case "workflow_run":
 		hook, err = s.parsePipelineHook(data)
+	case "pull_request_review":
+		hook, err = s.parsePullRequestReviewHook(data)
+
 	default:
 		return nil, scm.ErrUnknownEvent
 	}
@@ -184,6 +187,26 @@ func (s *webhookService) parsePullRequestHook(data []byte) (scm.Webhook, error)
 	return dst, nil
 }
 
+func (s *webhookService) parsePullRequestReviewHook(data []byte) (scm.Webhook, error) {
+	src := new(pullRequestReviewHook)
+	err := json.Unmarshal(data, src)
+	if err != nil {
+		return nil, err
+	}
+	dst := convertPullRequestReviewHook(src)
+	switch src.Action {
+	case "submitted":
+		dst.Action = scm.ActionCreate
+	case "edited":
+		dst.Action = scm.ActionUpdate
+	case "dismissed":
+		dst.Action = scm.ActionDelete
+	default:
+		dst.Action = scm.ActionUnknown
+	}
+	return dst, nil
+}
+
 func (s *webhookService) parsePipelineHook(data []byte) (scm.Webhook, error) {
 	src := new(pipelineHook)
 	err := json.Unmarshal(data, src)
@@ -358,6 +381,14 @@ type (
 		Sender      user       `json:"sender"`
 	}
 
+	pullRequestReviewHook struct {
+		Action      string     `json:"action"`
+		Number      int        `json:"number"`
+		PullRequest pr         `json:"pull_request"`
+		Repository  repository `json:"repository"`
+		Sender      user       `json:"sender"`
+	}
+
 	// github deployment webhook payload
 	deploymentHook struct {
 		Deployment struct {
@@ -615,6 +646,15 @@ func convertPullRequestHook(src *pullRequestHook) *scm.PullRequestHook {
 	}
 }
 
+func convertPullRequestReviewHook(src *pullRequestReviewHook) *scm.PullRequestReviewHook {
+	return &scm.PullRequestReviewHook{
+		// Action        Action
+		Repo:        *convertRepository(&src.Repository),
+		PullRequest: *convertPullRequest(&src.PullRequest),
+		Sender:      *convertUser(&src.Sender),
+	}
+}
+
 func convertDeploymentHook(src *deploymentHook) *scm.DeployHook {
 	dst := &scm.DeployHook{
 		Number: src.Deployment.ID,

scm/webhook.go

@@ -91,6 +91,13 @@ type (
 		Sender      User
 	}
 
+	PullRequestReviewHook struct {
+		Action      Action
+		Repo        Repository
+		PullRequest PullRequest
+		Sender      User
+	}
+
 	// PullRequestCommentHook represents an pull request
 	// comment event, eg pull_request_comment.
 	PullRequestCommentHook struct {
@@ -160,3 +167,4 @@ func (h *PullRequestCommentHook) Repository() Repository { return h.Repo }
 func (h *ReviewCommentHook) Repository() Repository      { return h.Repo }
 func (h *ReleaseHook) Repository() Repository            { return h.Repo }
 func (h *PipelineHook) Repository() Repository           { return h.Repo }
+func (h *PullRequestReviewHook) Repository() Repository  { return h.Repo }