ui: show 'owner' tag for real owner (#13689)

* ui: show 'owner' tag for real owner

Signed-off-by: a101211279 <1012112796@qq.com>

* Update custom/conf/app.example.ini

* simplify logic

fix logic
fix a small bug about original author

* remove system manager tag

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>

models/repo_permission.go

 	return
 }
 
+// IsUserRealRepoAdmin check if this user is real repo admin
+func IsUserRealRepoAdmin(repo *Repository, user *User) (bool, error) {
+	if repo.OwnerID == user.ID {
+		return true, nil
+	}
+
+	sess := x.NewSession()
+	defer sess.Close()
+
+	if err := repo.getOwner(sess); err != nil {
+		return false, err
+	}
+
+	accessMode, err := accessLevel(sess, user, repo)
+	if err != nil {
+		return false, err
+	}
+
+	return accessMode >= AccessModeAdmin, nil
+}
+
 // IsUserRepoAdmin return true if user has admin right of a repo
 func IsUserRepoAdmin(repo *Repository, user *User) (bool, error) {
 	return isUserRepoAdmin(x, repo, user)

routers/repo/issue.go

 		return models.CommentTagNone, err
 	}
 	if perm.IsOwner() {
-		return models.CommentTagOwner, nil
-	} else if perm.CanWrite(models.UnitTypeCode) {
+		if !poster.IsAdmin {
+			return models.CommentTagOwner, nil
+		}
+
+		ok, err := models.IsUserRealRepoAdmin(repo, poster)
+		if err != nil {
+			return models.CommentTagNone, err
+		}
+
+		if ok {
+			return models.CommentTagOwner, nil
+		}
+
+		if ok, err = repo.IsCollaborator(poster.ID); ok && err == nil {
+			return models.CommentTagWriter, nil
+		}
+
+		return models.CommentTagNone, err
+	}
+
+	if perm.CanWrite(models.UnitTypeCode) {
 		return models.CommentTagWriter, nil
 	}
 

templates/repo/issue/view_content/comments.tmpl

 					</div>
 					<div class="comment-header-right actions df ac">
 						{{if not $.Repository.IsArchived}}
-							{{if eq .PosterID .Issue.PosterID }}
+							{{if or (and (eq .PosterID .Issue.PosterID) (eq .Issue.OriginalAuthorID 0)) (eq .Issue.OriginalAuthorID .OriginalAuthorID) }}
 								<div class="ui basic label">
 									{{$.i18n.Tr "repo.issues.poster"}}
 								</div>