Add push commits history comment on PR time-line (#11167)

* Add push commits history comment on PR time-line
* Add notify by email and ui of this comment type also

Signed-off-by: a1012112796 <1012112796@qq.com>

* Add migrations for IsForcePush
* fix wrong force-push judgement
* Apply suggestions from code review
* Remove commit number check
* add own notify fun
* fix some typo

Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

* fix lint

* fix style again, I forgot something before

* Change email notify way

* fix api

* add number check if It's force-push

* Add repo commit link fuction
remove unnecessary check
skip show push commits comment which not have commits alive

* Update issue_comment.go

* Apply suggestions from code review

Co-authored-by: mrsdizzie <info@mrsdizzie.com>

* Apply suggestions from code review

* fix ui view

Co-authored-by: silverwind <me@silverwind.io>

* fix height

* remove unnecessary style define

* simplify GetBranchName

* Apply suggestions from code review

* save commit ids and isForce push by json
* simplify GetBranchName

* fix bug

Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>
Co-authored-by: mrsdizzie <info@mrsdizzie.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: silverwind <me@silverwind.io>

5 files changed, 49 insertions, 0 deletions

diff --git a/modules/notification/base/notifier.go b/modules/notification/base/notifier.go
index 0b3e1173b3..428f9a9544 100644
--- a/modules/notification/base/notifier.go
+++ b/modules/notification/base/notifier.go
@@ -36,6 +36,7 @@ type Notifier interface {
 	NotifyPullRequestSynchronized(doer *models.User, pr *models.PullRequest)
 	NotifyPullRequestReview(*models.PullRequest, *models.Review, *models.Comment)
 	NotifyPullRequestChangeTargetBranch(doer *models.User, pr *models.PullRequest, oldBranch string)
+	NotifyPullRequestPushCommits(doer *models.User, pr *models.PullRequest, comment *models.Comment)
 
 	NotifyCreateIssueComment(*models.User, *models.Repository,
 		*models.Issue, *models.Comment)
diff --git a/modules/notification/base/null.go b/modules/notification/base/null.go
index d2fd51d713..b2ce0742b6 100644
--- a/modules/notification/base/null.go
+++ b/modules/notification/base/null.go
@@ -54,6 +54,10 @@ func (*NullNotifier) NotifyPullRequestSynchronized(doer *models.User, pr *models
 func (*NullNotifier) NotifyPullRequestChangeTargetBranch(doer *models.User, pr *models.PullRequest, oldBranch string) {
 }
 
+// NotifyPullRequestPushCommits notifies when push commits to pull request's head branch
+func (*NullNotifier) NotifyPullRequestPushCommits(doer *models.User, pr *models.PullRequest, comment *models.Comment) {
+}
+
 // NotifyUpdateComment places a place holder function
 func (*NullNotifier) NotifyUpdateComment(doer *models.User, c *models.Comment, oldContent string) {
 }
diff --git a/modules/notification/mail/mail.go b/modules/notification/mail/mail.go
index b980db7e4b..795c8af2c8 100644
--- a/modules/notification/mail/mail.go
+++ b/modules/notification/mail/mail.go
@@ -37,6 +37,8 @@ func (m *mailNotifier) NotifyCreateIssueComment(doer *models.User, repo *models.
 		act = models.ActionCommentIssue
 	} else if comment.Type == models.CommentTypeCode {
 		act = models.ActionCommentIssue
+	} else if comment.Type == models.CommentTypePullPush {
+		act = 0
 	}
 
 	if err := mailer.MailParticipantsComment(comment, act, issue); err != nil {
@@ -117,3 +119,29 @@ func (m *mailNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *mode
 		log.Error("MailParticipants: %v", err)
 	}
 }
+
+func (m *mailNotifier) NotifyPullRequestPushCommits(doer *models.User, pr *models.PullRequest, comment *models.Comment) {
+	var err error
+	if err = comment.LoadIssue(); err != nil {
+		log.Error("comment.LoadIssue: %v", err)
+		return
+	}
+	if err = comment.Issue.LoadRepo(); err != nil {
+		log.Error("comment.Issue.LoadRepo: %v", err)
+		return
+	}
+	if err = comment.Issue.LoadPullRequest(); err != nil {
+		log.Error("comment.Issue.LoadPullRequest: %v", err)
+		return
+	}
+	if err = comment.Issue.PullRequest.LoadBaseRepo(); err != nil {
+		log.Error("comment.Issue.PullRequest.LoadBaseRepo: %v", err)
+		return
+	}
+	if err := comment.LoadPushCommits(); err != nil {
+		log.Error("comment.LoadPushCommits: %v", err)
+	}
+	comment.Content = ""
+
+	m.NotifyCreateIssueComment(doer, comment.Issue.Repo, comment.Issue, comment)
+}
diff --git a/modules/notification/notification.go b/modules/notification/notification.go
index d120246634..d17b13b9e5 100644
--- a/modules/notification/notification.go
+++ b/modules/notification/notification.go
@@ -94,6 +94,13 @@ func NotifyPullRequestChangeTargetBranch(doer *models.User, pr *models.PullReque
 	}
 }
 
+// NotifyPullRequestPushCommits notifies when push commits to pull request's head branch
+func NotifyPullRequestPushCommits(doer *models.User, pr *models.PullRequest, comment *models.Comment) {
+	for _, notifier := range notifiers {
+		notifier.NotifyPullRequestPushCommits(doer, pr, comment)
+	}
+}
+
 // NotifyUpdateComment notifies update comment to notifiers
 func NotifyUpdateComment(doer *models.User, c *models.Comment, oldContent string) {
 	for _, notifier := range notifiers {
diff --git a/modules/notification/ui/ui.go b/modules/notification/ui/ui.go
index 7f7de10bed..cadc9720d5 100644
--- a/modules/notification/ui/ui.go
+++ b/modules/notification/ui/ui.go
@@ -105,6 +105,15 @@ func (ns *notificationService) NotifyPullRequestReview(pr *models.PullRequest, r
 	_ = ns.issueQueue.Push(opts)
 }
 
+func (ns *notificationService) NotifyPullRequestPushCommits(doer *models.User, pr *models.PullRequest, comment *models.Comment) {
+	var opts = issueNotificationOpts{
+		IssueID:              pr.IssueID,
+		NotificationAuthorID: doer.ID,
+		CommentID:            comment.ID,
+	}
+	_ = ns.issueQueue.Push(opts)
+}
+
 func (ns *notificationService) NotifyIssueChangeAssignee(doer *models.User, issue *models.Issue, assignee *models.User, removed bool, comment *models.Comment) {
 	if !removed {
 		var opts = issueNotificationOpts{