Use TrN helper for email templates (#16425)

* Add TrN helper

* use TrN

* a nit

Author: 6543

options/locale/locale_en-US.ini

@@ -350,7 +350,7 @@ issue_assigned.issue = @%[1]s assigned you to the issue %[2]s in repository %[3]
 
 issue.x_mentioned_you = <b>@%s</b> mentioned you:
 issue.action.force_push = <b>%[1]s</b> force-pushed the <b>%[2]s</b> from %[3]s to %[4]s.
-issue.action.push_1 = <b>@%[1]s</b> pushed 1 commit to %[2]s
+issue.action.push_1 = <b>@%[1]s</b> pushed %[3]d commit to %[2]s
 issue.action.push_n = <b>@%[1]s</b> pushed %[3]d commits to %[2]s
 issue.action.close = <b>@%[1]s</b> closed #%[2]d.
 issue.action.reopen = <b>@%[1]s</b> reopened #%[2]d.

services/mailer/mail.go

@@ -72,6 +72,7 @@ func sendUserMail(language string, u *models.User, tpl base.TplName, code, subje
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
+		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -110,6 +111,7 @@ func SendActivateEmailMail(u *models.User, email *models.EmailAddress) {
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
+		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -136,6 +138,7 @@ func SendRegisterNotifyMail(u *models.User) {
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
+		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -165,6 +168,7 @@ func SendCollaboratorMail(u, doer *models.User, repo *models.Repository) {
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
+		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -248,6 +252,7 @@ func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipient
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
+		"TrN":      templates.TrN,
 	}
 
 	var mailSubject bytes.Buffer

services/mailer/mail_release.go

@@ -68,6 +68,7 @@ func mailNewRelease(lang string, tos []string, rel *models.Release) {
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
+		"TrN":      templates.TrN,
 	}
 
 	var mailBody bytes.Buffer

services/mailer/mail_repo.go

@@ -63,6 +63,7 @@ func sendRepoTransferNotifyMailPerLang(lang string, newOwner, doer *models.User,
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
+		"TrN":      templates.TrN,
 	}
 
 	if err := bodyTemplates.ExecuteTemplate(&content, string(mailRepoTransferNotify), data); err != nil {

templates/mail/issue/default.tmpl

@@ -30,11 +30,7 @@
 
 				{{.i18n.Tr "mail.issue.action.force_push" .Doer.Name .Comment.Issue.PullRequest.HeadBranch $oldCommitLink $newCommitLink | Str2html}}
 			{{else}}
-				{{if eq .Comment.Commits.Len 1}}
-					{{.i18n.Tr "mail.issue.action.push_1" .Doer.Name .Comment.Issue.PullRequest.HeadBranch | Str2html}}
-				{{else}}
-					{{.i18n.Tr "mail.issue.action.push_n" .Doer.Name .Comment.Issue.PullRequest.HeadBranch .Comment.Commits.Len | Str2html}}
-				{{end}}
+				{{.i18n.Tr (TrN .i18n.Lang .Comment.Commits.Len "mail.issue.action.push_1" "mail.issue.action.push_n")  .Doer.Name .Comment.Issue.PullRequest.HeadBranch .Comment.Commits.Len | Str2html}}
 			{{end}}
 		</p>
 	{{end}}