Convert GitHub event on actions and fix some pull_request events. (#23037) (#23471)

Backport #23037 by @lunny

Follow #22680

Partially Fix #22958, on pull_request, `opened`, `reopened`,
`synchronize` supported, `edited` hasn't been supported yet because
Gitea doesn't trigger that events.

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: yp05327 <576951401@qq.com>

modules/actions/github.go

@@ -0,0 +1,41 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	webhook_module "code.gitea.io/gitea/modules/webhook"
+
+	"github.com/nektos/act/pkg/jobparser"
+)
+
+const (
+	githubEventPullRequest              = "pull_request"
+	githubEventPullRequestTarget        = "pull_request_target"
+	githubEventPullRequestReviewComment = "pull_request_review_comment"
+	githubEventPullRequestReview        = "pull_request_review"
+	githubEventRegistryPackage          = "registry_package"
+	githubEventCreate                   = "create"
+	githubEventDelete                   = "delete"
+	githubEventFork                     = "fork"
+	githubEventPush                     = "push"
+	githubEventIssues                   = "issues"
+	githubEventIssueComment             = "issue_comment"
+	githubEventRelease                  = "release"
+	githubEventPullRequestComment       = "pull_request_comment"
+)
+
+func convertFromGithubEvent(evt *jobparser.Event) string {
+	switch evt.Name {
+	case githubEventPullRequest, githubEventPullRequestTarget, githubEventPullRequestReview,
+		githubEventPullRequestReviewComment:
+		return string(webhook_module.HookEventPullRequest)
+	case githubEventRegistryPackage:
+		return string(webhook_module.HookEventPackage)
+	case githubEventCreate, githubEventDelete, githubEventFork, githubEventPush,
+		githubEventIssues, githubEventIssueComment, githubEventRelease, githubEventPullRequestComment:
+		fallthrough
+	default:
+		return evt.Name
+	}
+}