Move issue label operations to issue service package (#8553)

* Move issue label operations to issue service package

* fix test

* fix fmt

1 files changed, 90 insertions, 0 deletions

diff --git a/services/issue/label.go b/services/issue/label.go
index 4af8c2b97e..b393e5d38c 100644
--- a/services/issue/label.go
+++ b/services/issue/label.go
@@ -6,9 +6,57 @@ package issue
 
 import (
 	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification"
+	api "code.gitea.io/gitea/modules/structs"
 )
 
+func sendLabelUpdatedWebhook(issue *models.Issue, doer *models.User) {
+	var err error
+
+	if err = issue.LoadRepo(); err != nil {
+		log.Error("LoadRepo: %v", err)
+		return
+	}
+
+	if err = issue.LoadPoster(); err != nil {
+		log.Error("LoadPoster: %v", err)
+		return
+	}
+
+	mode, _ := models.AccessLevel(issue.Poster, issue.Repo)
+	if issue.IsPull {
+		if err = issue.LoadPullRequest(); err != nil {
+			log.Error("loadPullRequest: %v", err)
+			return
+		}
+		if err = issue.PullRequest.LoadIssue(); err != nil {
+			log.Error("LoadIssue: %v", err)
+			return
+		}
+		err = models.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
+			Action:      api.HookIssueLabelUpdated,
+			Index:       issue.Index,
+			PullRequest: issue.PullRequest.APIFormat(),
+			Repository:  issue.Repo.APIFormat(models.AccessModeNone),
+			Sender:      doer.APIFormat(),
+		})
+	} else {
+		err = models.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
+			Action:     api.HookIssueLabelUpdated,
+			Index:      issue.Index,
+			Issue:      issue.APIFormat(),
+			Repository: issue.Repo.APIFormat(mode),
+			Sender:     doer.APIFormat(),
+		})
+	}
+	if err != nil {
+		log.Error("PrepareWebhooks [is_pull: %v]: %v", issue.IsPull, err)
+	} else {
+		go models.HookQueue.Add(issue.RepoID)
+	}
+}
+
 // ClearLabels clears all of an issue's labels
 func ClearLabels(issue *models.Issue, doer *models.User) (err error) {
 	if err = issue.ClearLabels(doer); err != nil {
@@ -19,3 +67,45 @@ func ClearLabels(issue *models.Issue, doer *models.User) (err error) {
 
 	return nil
 }
+
+// AddLabel adds a new label to the issue.
+func AddLabel(issue *models.Issue, doer *models.User, label *models.Label) error {
+	if err := models.NewIssueLabel(issue, label, doer); err != nil {
+		return err
+	}
+
+	sendLabelUpdatedWebhook(issue, doer)
+	return nil
+}
+
+// AddLabels adds a list of new labels to the issue.
+func AddLabels(issue *models.Issue, doer *models.User, labels []*models.Label) error {
+	if err := models.NewIssueLabels(issue, labels, doer); err != nil {
+		return err
+	}
+
+	sendLabelUpdatedWebhook(issue, doer)
+	return nil
+}
+
+// RemoveLabel removes a label from issue by given ID.
+func RemoveLabel(issue *models.Issue, doer *models.User, label *models.Label) error {
+	if err := issue.LoadRepo(); err != nil {
+		return err
+	}
+
+	perm, err := models.GetUserRepoPermission(issue.Repo, doer)
+	if err != nil {
+		return err
+	}
+	if !perm.CanWriteIssuesOrPulls(issue.IsPull) {
+		return models.ErrLabelNotExist{}
+	}
+
+	if err := models.DeleteIssueLabel(issue, label, doer); err != nil {
+		return err
+	}
+
+	sendLabelUpdatedWebhook(issue, doer)
+	return nil
+}