From e61b390d545919244141b699b28e3fbc42adc66f Mon Sep 17 00:00:00 2001
From: wxiaoguang <wxiaoguang@gmail.com>
Date: Sun, 2 Jan 2022 11:33:57 +0800
Subject: [PATCH] Unify and simplify TrN for i18n (#18141)

Refer: https://github.com/go-gitea/gitea/pull/18135#issuecomment-1003246099

Now we have a unique and simple `TrN`, and make the fix of PR #18135 also use the better `TrN` logic.
---
 modules/csv/csv_test.go                       | 36 ++++++----
 modules/templates/helper.go                   | 64 ------------------
 modules/test/context_tests.go                 |  4 ++
 modules/translation/translation.go            | 65 +++++++++++++++++++
 routers/web/repo/migrate.go                   |  7 +-
 routers/web/repo/repo.go                      |  7 +-
 routers/web/repo/setting.go                   |  7 +-
 services/mailer/mail.go                       |  5 --
 services/mailer/mail_release.go               |  1 -
 services/mailer/mail_repo.go                  |  1 -
 templates/mail/issue/default.tmpl             |  2 +-
 templates/repo/activity.tmpl                  | 55 ++++++++++------
 templates/repo/blame.tmpl                     |  2 +-
 templates/repo/create.tmpl                    |  2 +-
 .../repo/issue/view_content/comments.tmpl     |  6 +-
 templates/repo/issue/view_content/pull.tmpl   |  4 +-
 templates/repo/sub_menu.tmpl                  |  6 +-
 templates/repo/view_file.tmpl                 |  2 +-
 templates/shared/issuelist.tmpl               |  8 +--
 19 files changed, 148 insertions(+), 136 deletions(-)

diff --git a/modules/csv/csv_test.go b/modules/csv/csv_test.go
index d72c3e3a73..1612a66953 100644
--- a/modules/csv/csv_test.go
+++ b/modules/csv/csv_test.go
@@ -8,6 +8,7 @@ import (
 	"bytes"
 	"encoding/csv"
 	"io"
+	"strconv"
 	"strings"
 	"testing"
 
@@ -21,14 +22,21 @@ func TestCreateReader(t *testing.T) {
 	assert.Equal(t, ',', rd.Comma)
 }
 
-//nolint
+func decodeSlashes(t *testing.T, s string) string {
+	s = strings.ReplaceAll(s, "\n", "\\n")
+	s = strings.ReplaceAll(s, "\"", "\\\"")
+	decoded, err := strconv.Unquote(`"` + s + `"`)
+	assert.NoError(t, err, "unable to decode string")
+	return decoded
+}
+
 func TestCreateReaderAndDetermineDelimiter(t *testing.T) {
 	var cases = []struct {
 		csv               string
 		expectedRows      [][]string
 		expectedDelimiter rune
 	}{
-		// case 0 - semicolon delmited
+		// case 0 - semicolon delimited
 		{
 			csv: `a;b;c
 1;2;3
@@ -47,11 +55,11 @@ a,	b	c
 	e	f
 g	h	i
 j		l
-m	n,	
+m	n,\t
 p	q	r
 		u
 v	w	x
-y		
+y\t\t
 		`,
 			expectedRows: [][]string{
 				{"col1", "col2", "col3"},
@@ -74,7 +82,7 @@ y
  a, b, c
 d,e,f
  ,h, i
-j, , 
+j, ,\x20
  , , `,
 			expectedRows: [][]string{
 				{"col1", "col2", "col3"},
@@ -89,7 +97,7 @@ j, ,
 	}
 
 	for n, c := range cases {
-		rd, err := CreateReaderAndDetermineDelimiter(nil, strings.NewReader(c.csv))
+		rd, err := CreateReaderAndDetermineDelimiter(nil, strings.NewReader(decodeSlashes(t, c.csv)))
 		assert.NoError(t, err, "case %d: should not throw error: %v\n", n, err)
 		assert.EqualValues(t, c.expectedDelimiter, rd.Comma, "case %d: delimiter should be '%c', got '%c'", n, c.expectedDelimiter, rd.Comma)
 		rows, err := rd.ReadAll()
@@ -222,7 +230,7 @@ John Doe	john@doe.com	This,note,had,a,lot,of,commas,to,test,delimters`,
 	}
 
 	for n, c := range cases {
-		delimiter := determineDelimiter(&markup.RenderContext{Filename: c.filename}, []byte(c.csv))
+		delimiter := determineDelimiter(&markup.RenderContext{Filename: c.filename}, []byte(decodeSlashes(t, c.csv)))
 		assert.EqualValues(t, c.expectedDelimiter, delimiter, "case %d: delimiter should be equal, expected '%c' got '%c'", n, c.expectedDelimiter, delimiter)
 	}
 }
@@ -287,7 +295,7 @@ abc   | |123
 	}
 
 	for n, c := range cases {
-		modifiedText := removeQuotedString(c.text)
+		modifiedText := removeQuotedString(decodeSlashes(t, c.text))
 		assert.EqualValues(t, c.expectedText, modifiedText, "case %d: modified text should be equal", n)
 	}
 }
@@ -353,7 +361,7 @@ John Doe	john@doe.com	This,note,had,a,lot,of,commas,to,test,delimters`,
 	quoted,
 text,"	a
 2	"some,
-quoted,	
+quoted,\t
 	text,"	b
 3	"some,
 quoted,
@@ -442,7 +450,7 @@ jkl`,
 	}
 
 	for n, c := range cases {
-		delimiter := guessDelimiter([]byte(c.csv))
+		delimiter := guessDelimiter([]byte(decodeSlashes(t, c.csv)))
 		assert.EqualValues(t, c.expectedDelimiter, delimiter, "case %d: delimiter should be equal, expected '%c' got '%c'", n, c.expectedDelimiter, delimiter)
 	}
 }
@@ -459,7 +467,7 @@ func TestGuessFromBeforeAfterQuotes(t *testing.T) {
 	quoted,
 text,"	a
 2	"some,
-quoted,	
+quoted,\t
 	text,"	b
 3	"some,
 quoted,
@@ -534,7 +542,7 @@ a|"he said, ""here I am"""`,
 	}
 
 	for n, c := range cases {
-		delimiter := guessFromBeforeAfterQuotes([]byte(c.csv))
+		delimiter := guessFromBeforeAfterQuotes([]byte(decodeSlashes(t, c.csv)))
 		assert.EqualValues(t, c.expectedDelimiter, delimiter, "case %d: delimiter should be equal, expected '%c' got '%c'", n, c.expectedDelimiter, delimiter)
 	}
 }
@@ -549,6 +557,10 @@ func (l mockLocale) Tr(s string, _ ...interface{}) string {
 	return s
 }
 
+func (l mockLocale) TrN(_cnt interface{}, key1, _keyN string, _args ...interface{}) string {
+	return key1
+}
+
 func TestFormatError(t *testing.T) {
 	var cases = []struct {
 		err             error
diff --git a/modules/templates/helper.go b/modules/templates/helper.go
index a05c0c1a95..fc07b49c71 100644
--- a/modules/templates/helper.go
+++ b/modules/templates/helper.go
@@ -239,7 +239,6 @@ func NewFuncMap() []template.FuncMap {
 		"DisableImportLocal": func() bool {
 			return !setting.ImportLocalPaths
 		},
-		"TrN": TrN,
 		"Dict": func(values ...interface{}) (map[string]interface{}, error) {
 			if len(values)%2 != 0 {
 				return nil, errors.New("invalid dict call")
@@ -857,69 +856,6 @@ func DiffLineTypeToStr(diffType int) string {
 	return "same"
 }
 
-// Language specific rules for translating plural texts
-var trNLangRules = map[string]func(int64) int{
-	"en-US": func(cnt int64) int {
-		if cnt == 1 {
-			return 0
-		}
-		return 1
-	},
-	"lv-LV": func(cnt int64) int {
-		if cnt%10 == 1 && cnt%100 != 11 {
-			return 0
-		}
-		return 1
-	},
-	"ru-RU": func(cnt int64) int {
-		if cnt%10 == 1 && cnt%100 != 11 {
-			return 0
-		}
-		return 1
-	},
-	"zh-CN": func(cnt int64) int {
-		return 0
-	},
-	"zh-HK": func(cnt int64) int {
-		return 0
-	},
-	"zh-TW": func(cnt int64) int {
-		return 0
-	},
-	"fr-FR": func(cnt int64) int {
-		if cnt > -2 && cnt < 2 {
-			return 0
-		}
-		return 1
-	},
-}
-
-// TrN returns key to be used for plural text translation
-func TrN(lang string, cnt interface{}, key1, keyN string) string {
-	var c int64
-	if t, ok := cnt.(int); ok {
-		c = int64(t)
-	} else if t, ok := cnt.(int16); ok {
-		c = int64(t)
-	} else if t, ok := cnt.(int32); ok {
-		c = int64(t)
-	} else if t, ok := cnt.(int64); ok {
-		c = t
-	} else {
-		return keyN
-	}
-
-	ruleFunc, ok := trNLangRules[lang]
-	if !ok {
-		ruleFunc = trNLangRules["en-US"]
-	}
-
-	if ruleFunc(c) == 0 {
-		return key1
-	}
-	return keyN
-}
-
 // MigrationIcon returns a SVG name matching the service an issue/comment was migrated from
 func MigrationIcon(hostname string) string {
 	switch hostname {
diff --git a/modules/test/context_tests.go b/modules/test/context_tests.go
index 1f893122f3..62ec21f6fe 100644
--- a/modules/test/context_tests.go
+++ b/modules/test/context_tests.go
@@ -103,6 +103,10 @@ func (l mockLocale) Tr(s string, _ ...interface{}) string {
 	return s
 }
 
+func (l mockLocale) TrN(_cnt interface{}, key1, _keyN string, _args ...interface{}) string {
+	return key1
+}
+
 type mockResponseWriter struct {
 	httptest.ResponseRecorder
 	size int
diff --git a/modules/translation/translation.go b/modules/translation/translation.go
index 77cc9ac7f5..af1e5d25df 100644
--- a/modules/translation/translation.go
+++ b/modules/translation/translation.go
@@ -17,6 +17,7 @@ import (
 type Locale interface {
 	Language() string
 	Tr(string, ...interface{}) string
+	TrN(cnt interface{}, key1, keyN string, args ...interface{}) string
 }
 
 // LangType represents a lang type
@@ -99,3 +100,67 @@ func (l *locale) Language() string {
 func (l *locale) Tr(format string, args ...interface{}) string {
 	return i18n.Tr(l.Lang, format, args...)
 }
+
+// Language specific rules for translating plural texts
+var trNLangRules = map[string]func(int64) int{
+	// the default rule is "en-US" if a language isn't listed here
+	"en-US": func(cnt int64) int {
+		if cnt == 1 {
+			return 0
+		}
+		return 1
+	},
+	"lv-LV": func(cnt int64) int {
+		if cnt%10 == 1 && cnt%100 != 11 {
+			return 0
+		}
+		return 1
+	},
+	"ru-RU": func(cnt int64) int {
+		if cnt%10 == 1 && cnt%100 != 11 {
+			return 0
+		}
+		return 1
+	},
+	"zh-CN": func(cnt int64) int {
+		return 0
+	},
+	"zh-HK": func(cnt int64) int {
+		return 0
+	},
+	"zh-TW": func(cnt int64) int {
+		return 0
+	},
+	"fr-FR": func(cnt int64) int {
+		if cnt > -2 && cnt < 2 {
+			return 0
+		}
+		return 1
+	},
+}
+
+// TrN returns translated message for plural text translation
+func (l *locale) TrN(cnt interface{}, key1, keyN string, args ...interface{}) string {
+	var c int64
+	if t, ok := cnt.(int); ok {
+		c = int64(t)
+	} else if t, ok := cnt.(int16); ok {
+		c = int64(t)
+	} else if t, ok := cnt.(int32); ok {
+		c = int64(t)
+	} else if t, ok := cnt.(int64); ok {
+		c = t
+	} else {
+		return l.Tr(keyN, args...)
+	}
+
+	ruleFunc, ok := trNLangRules[l.Lang]
+	if !ok {
+		ruleFunc = trNLangRules["en-US"]
+	}
+
+	if ruleFunc(c) == 0 {
+		return l.Tr(key1, args...)
+	}
+	return l.Tr(keyN, args...)
+}
diff --git a/routers/web/repo/migrate.go b/routers/web/repo/migrate.go
index 1bbb192b24..23e5b21b48 100644
--- a/routers/web/repo/migrate.go
+++ b/routers/web/repo/migrate.go
@@ -81,13 +81,8 @@ func handleMigrateError(ctx *context.Context, owner *user_model.User, err error,
 	case migrations.IsTwoFactorAuthError(err):
 		ctx.RenderWithErr(ctx.Tr("form.2fa_auth_required"), tpl, form)
 	case repo_model.IsErrReachLimitOfRepo(err):
-		var msg string
 		maxCreationLimit := owner.MaxCreationLimit()
-		if maxCreationLimit == 1 {
-			msg = ctx.Tr("repo.form.reach_limit_of_creation_1", maxCreationLimit)
-		} else {
-			msg = ctx.Tr("repo.form.reach_limit_of_creation_n", maxCreationLimit)
-		}
+		msg := ctx.TrN(maxCreationLimit, "repo.form.reach_limit_of_creation_1", "repo.form.reach_limit_of_creation_n", maxCreationLimit)
 		ctx.RenderWithErr(msg, tpl, form)
 	case repo_model.IsErrRepoAlreadyExist(err):
 		ctx.Data["Err_RepoName"] = true
diff --git a/routers/web/repo/repo.go b/routers/web/repo/repo.go
index 8e0998225a..6bd16ff2b8 100644
--- a/routers/web/repo/repo.go
+++ b/routers/web/repo/repo.go
@@ -162,13 +162,8 @@ func Create(ctx *context.Context) {
 func handleCreateError(ctx *context.Context, owner *user_model.User, err error, name string, tpl base.TplName, form interface{}) {
 	switch {
 	case repo_model.IsErrReachLimitOfRepo(err):
-		var msg string
 		maxCreationLimit := owner.MaxCreationLimit()
-		if maxCreationLimit == 1 {
-			msg = ctx.Tr("repo.form.reach_limit_of_creation_1", maxCreationLimit)
-		} else {
-			msg = ctx.Tr("repo.form.reach_limit_of_creation_n", maxCreationLimit)
-		}
+		msg := ctx.TrN(maxCreationLimit, "repo.form.reach_limit_of_creation_1", "repo.form.reach_limit_of_creation_n", maxCreationLimit)
 		ctx.RenderWithErr(msg, tpl, form)
 	case repo_model.IsErrRepoAlreadyExist(err):
 		ctx.Data["Err_RepoName"] = true
diff --git a/routers/web/repo/setting.go b/routers/web/repo/setting.go
index 57a195ee62..7ff83cc3d7 100644
--- a/routers/web/repo/setting.go
+++ b/routers/web/repo/setting.go
@@ -610,11 +610,8 @@ func SettingsPost(ctx *context.Context) {
 
 		if !ctx.Repo.Owner.CanCreateRepo() {
 			maxCreationLimit := ctx.Repo.Owner.MaxCreationLimit()
-			if maxCreationLimit == 1 {
-				ctx.Flash.Error(ctx.Tr("repo.form.reach_limit_of_creation_1", maxCreationLimit))
-			} else {
-				ctx.Flash.Error(ctx.Tr("repo.form.reach_limit_of_creation_n", maxCreationLimit))
-			}
+			msg := ctx.TrN(maxCreationLimit, "repo.form.reach_limit_of_creation_1", "repo.form.reach_limit_of_creation_n", maxCreationLimit)
+			ctx.Flash.Error(msg)
 			ctx.Redirect(repo.Link() + "/settings")
 			return
 		}
diff --git a/services/mailer/mail.go b/services/mailer/mail.go
index 0a55737073..20552be584 100644
--- a/services/mailer/mail.go
+++ b/services/mailer/mail.go
@@ -78,7 +78,6 @@ func sendUserMail(language string, u *user_model.User, tpl base.TplName, code, s
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
-		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -129,7 +128,6 @@ func SendActivateEmailMail(u *user_model.User, email *user_model.EmailAddress) {
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
-		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -160,7 +158,6 @@ func SendRegisterNotifyMail(u *user_model.User) {
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
-		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -194,7 +191,6 @@ func SendCollaboratorMail(u, doer *user_model.User, repo *repo_model.Repository)
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
-		"TrN":      templates.TrN,
 	}
 
 	var content bytes.Buffer
@@ -278,7 +274,6 @@ func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipient
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
-		"TrN":      templates.TrN,
 	}
 
 	var mailSubject bytes.Buffer
diff --git a/services/mailer/mail_release.go b/services/mailer/mail_release.go
index 02aa0f312e..ee4c6f3a59 100644
--- a/services/mailer/mail_release.go
+++ b/services/mailer/mail_release.go
@@ -76,7 +76,6 @@ func mailNewRelease(lang string, tos []string, rel *models.Release) {
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
-		"TrN":      templates.TrN,
 	}
 
 	var mailBody bytes.Buffer
diff --git a/services/mailer/mail_repo.go b/services/mailer/mail_repo.go
index 51b16aa7e2..a5343f8128 100644
--- a/services/mailer/mail_repo.go
+++ b/services/mailer/mail_repo.go
@@ -71,7 +71,6 @@ func sendRepoTransferNotifyMailPerLang(lang string, newOwner, doer *user_model.U
 		// helper
 		"i18n":     locale,
 		"Str2html": templates.Str2html,
-		"TrN":      templates.TrN,
 	}
 
 	if err := bodyTemplates.ExecuteTemplate(&content, string(mailRepoTransferNotify), data); err != nil {
diff --git a/templates/mail/issue/default.tmpl b/templates/mail/issue/default.tmpl
index e01ec667ee..aa91861d11 100644
--- a/templates/mail/issue/default.tmpl
+++ b/templates/mail/issue/default.tmpl
@@ -30,7 +30,7 @@
 
 				{{.i18n.Tr "mail.issue.action.force_push" .Doer.Name .Comment.Issue.PullRequest.HeadBranch $oldCommitLink $newCommitLink | Str2html}}
 			{{else}}
-				{{.i18n.Tr (TrN .i18n.Lang (len .Comment.Commits) "mail.issue.action.push_1" "mail.issue.action.push_n") .Doer.Name .Comment.Issue.PullRequest.HeadBranch (len .Comment.Commits) | Str2html}}
+				{{.i18n.TrN (len .Comment.Commits) "mail.issue.action.push_1" "mail.issue.action.push_n" .Doer.Name .Comment.Issue.PullRequest.HeadBranch (len .Comment.Commits) | Str2html}}
 			{{end}}
 		</p>
 	{{end}}
diff --git a/templates/repo/activity.tmpl b/templates/repo/activity.tmpl
index c67925e423..3086ca8e8d 100644
--- a/templates/repo/activity.tmpl
+++ b/templates/repo/activity.tmpl
@@ -41,7 +41,7 @@
 						<a class="table-cell tiny background light grey"></a>
 					</div>
 					{{end}}
-					{{.i18n.Tr (TrN .i18n.Lang .Activity.ActivePRCount "repo.activity.active_prs_count_1" "repo.activity.active_prs_count_n") .Activity.ActivePRCount | Safe }}
+					{{.i18n.TrN .Activity.ActivePRCount "repo.activity.active_prs_count_1" "repo.activity.active_prs_count_n" .Activity.ActivePRCount | Safe }}
 				</div>
 			{{end}}
 			{{if .Permission.CanRead $.UnitTypeIssues}}
@@ -56,7 +56,7 @@
 						<a class="table-cell tiny background light grey"></a>
 					</div>
 					{{end}}
-					{{.i18n.Tr (TrN .i18n.Lang .Activity.ActiveIssueCount "repo.activity.active_issues_count_1" "repo.activity.active_issues_count_n") .Activity.ActiveIssueCount | Safe }}
+					{{.i18n.TrN .Activity.ActiveIssueCount "repo.activity.active_issues_count_1" "repo.activity.active_issues_count_n" .Activity.ActiveIssueCount | Safe }}
 				</div>
 			{{end}}
 		</div>
@@ -64,21 +64,21 @@
 			{{if .Permission.CanRead $.UnitTypePullRequests}}
 				<a href="#merged-pull-requests" class="ui attached segment text center">
 					<span class="text purple">{{svg "octicon-git-pull-request"}}</span> <strong>{{.Activity.MergedPRCount}}</strong><br>
-					{{.i18n.Tr (TrN .i18n.Lang .Activity.MergedPRCount "repo.activity.merged_prs_count_1" "repo.activity.merged_prs_count_n") }}
+					{{.i18n.TrN .Activity.MergedPRCount "repo.activity.merged_prs_count_1" "repo.activity.merged_prs_count_n"}}
 				</a>
 				<a href="#proposed-pull-requests" class="ui attached segment text center">
 					<span class="text green">{{svg "octicon-git-branch"}}</span> <strong>{{.Activity.OpenedPRCount}}</strong><br>
-					{{.i18n.Tr (TrN .i18n.Lang .Activity.OpenedPRCount "repo.activity.opened_prs_count_1" "repo.activity.opened_prs_count_n") }}
+					{{.i18n.TrN .Activity.OpenedPRCount "repo.activity.opened_prs_count_1" "repo.activity.opened_prs_count_n"}}
 				</a>
 			{{end}}
 			{{if .Permission.CanRead $.UnitTypeIssues}}
 				<a href="#closed-issues" class="ui attached segment text center">
 					<span class="text red">{{svg "octicon-issue-closed"}}</span> <strong>{{.Activity.ClosedIssueCount}}</strong><br>
-					{{.i18n.Tr (TrN .i18n.Lang .Activity.ClosedIssueCount "repo.activity.closed_issues_count_1" "repo.activity.closed_issues_count_n") }}
+					{{.i18n.TrN .Activity.ClosedIssueCount "repo.activity.closed_issues_count_1" "repo.activity.closed_issues_count_n"}}
 				</a>
 				<a href="#new-issues" class="ui attached segment text center">
 					<span class="text green">{{svg "octicon-issue-opened"}}</span> <strong>{{.Activity.OpenedIssueCount}}</strong><br>
-					{{.i18n.Tr (TrN .i18n.Lang .Activity.OpenedIssueCount "repo.activity.new_issues_count_1" "repo.activity.new_issues_count_n") }}
+					{{.i18n.TrN .Activity.OpenedIssueCount "repo.activity.new_issues_count_1" "repo.activity.new_issues_count_n"}}
 				</a>
 			{{end}}
 		</div>
@@ -94,19 +94,19 @@
 				<div class="ui attached segment horizontal segments">
 					<div class="ui attached segment text">
 						{{.i18n.Tr "repo.activity.git_stats_exclude_merges" }}
-						<strong>{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.AuthorCount "repo.activity.git_stats_author_1" "repo.activity.git_stats_author_n") .Activity.Code.AuthorCount }}</strong>
-						{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.AuthorCount "repo.activity.git_stats_pushed_1" "repo.activity.git_stats_pushed_n") }}
-						<strong>{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.CommitCount "repo.activity.git_stats_commit_1" "repo.activity.git_stats_commit_n") .Activity.Code.CommitCount }}</strong>
+						<strong>{{.i18n.TrN .Activity.Code.AuthorCount "repo.activity.git_stats_author_1" "repo.activity.git_stats_author_n" .Activity.Code.AuthorCount}}</strong>
+						{{.i18n.TrN .Activity.Code.AuthorCount "repo.activity.git_stats_pushed_1" "repo.activity.git_stats_pushed_n"}}
+						<strong>{{.i18n.TrN .Activity.Code.CommitCount "repo.activity.git_stats_commit_1" "repo.activity.git_stats_commit_n" .Activity.Code.CommitCount}}</strong>
 						{{.i18n.Tr "repo.activity.git_stats_push_to_branch" .Repository.DefaultBranch }}
-						<strong>{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.CommitCountInAllBranches "repo.activity.git_stats_commit_1" "repo.activity.git_stats_commit_n") .Activity.Code.CommitCountInAllBranches }}</strong>
+						<strong>{{.i18n.TrN .Activity.Code.CommitCountInAllBranches "repo.activity.git_stats_commit_1" "repo.activity.git_stats_commit_n" .Activity.Code.CommitCountInAllBranches}}</strong>
 						{{.i18n.Tr "repo.activity.git_stats_push_to_all_branches" }}
 						{{.i18n.Tr "repo.activity.git_stats_on_default_branch" .Repository.DefaultBranch }}
-						<strong>{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.ChangedFiles "repo.activity.git_stats_file_1" "repo.activity.git_stats_file_n") .Activity.Code.ChangedFiles }}</strong>
-						{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.ChangedFiles "repo.activity.git_stats_files_changed_1" "repo.activity.git_stats_files_changed_n") }}
+						<strong>{{.i18n.TrN .Activity.Code.ChangedFiles "repo.activity.git_stats_file_1" "repo.activity.git_stats_file_n" .Activity.Code.ChangedFiles}}</strong>
+						{{.i18n.TrN .Activity.Code.ChangedFiles "repo.activity.git_stats_files_changed_1" "repo.activity.git_stats_files_changed_n"}}
 						{{.i18n.Tr "repo.activity.git_stats_additions" }}
-						<strong class="text green">{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.Additions "repo.activity.git_stats_addition_1" "repo.activity.git_stats_addition_n") .Activity.Code.Additions }}</strong>
+						<strong class="text green">{{.i18n.TrN .Activity.Code.Additions "repo.activity.git_stats_addition_1" "repo.activity.git_stats_addition_n" .Activity.Code.Additions}}</strong>
 						{{.i18n.Tr "repo.activity.git_stats_and_deletions" }}
-						<strong class="text red">{{.i18n.Tr (TrN .i18n.Lang .Activity.Code.Deletions "repo.activity.git_stats_deletion_1" "repo.activity.git_stats_deletion_n") .Activity.Code.Deletions }}</strong>.
+						<strong class="text red">{{.i18n.TrN .Activity.Code.Deletions "repo.activity.git_stats_deletion_1" "repo.activity.git_stats_deletion_n" .Activity.Code.Deletions}}</strong>.
 					</div>
 					<div class="ui attached segment">
 						<div id="repo-activity-top-authors-chart"></div>
@@ -118,7 +118,10 @@
 		{{if gt .Activity.PublishedReleaseCount 0}}
 			<h4 class="ui horizontal divider header" id="published-releases">
 				<span class="text">{{svg "octicon-tag"}}</span>
-				{{.i18n.Tr "repo.activity.title.releases_published_by" (.i18n.Tr (TrN .i18n.Lang .Activity.PublishedReleaseCount "repo.activity.title.releases_1" "repo.activity.title.releases_n") .Activity.PublishedReleaseCount) (.i18n.Tr (TrN .i18n.Lang .Activity.PublishedReleaseAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n") .Activity.PublishedReleaseAuthorCount) }}
+				{{.i18n.Tr "repo.activity.title.releases_published_by"
+					(.i18n.TrN .Activity.PublishedReleaseCount "repo.activity.title.releases_1" "repo.activity.title.releases_n" .Activity.PublishedReleaseCount)
+					(.i18n.TrN .Activity.PublishedReleaseAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n" .Activity.PublishedReleaseAuthorCount)
+				}}
 			</h4>
 			<div class="list">
 				{{range .Activity.PublishedReleases}}
@@ -137,7 +140,10 @@
 		{{if gt .Activity.MergedPRCount 0}}
 			<h4 class="ui horizontal divider header" id="merged-pull-requests">
 				<span class="text">{{svg "octicon-git-pull-request"}}</span>
-				{{.i18n.Tr "repo.activity.title.prs_merged_by" (.i18n.Tr (TrN .i18n.Lang .Activity.MergedPRCount "repo.activity.title.prs_1" "repo.activity.title.prs_n") .Activity.MergedPRCount) (.i18n.Tr (TrN .i18n.Lang .Activity.MergedPRAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n") .Activity.MergedPRAuthorCount) }}
+				{{.i18n.Tr "repo.activity.title.prs_merged_by"
+					(.i18n.TrN .Activity.MergedPRCount "repo.activity.title.prs_1" "repo.activity.title.prs_n" .Activity.MergedPRCount)
+					(.i18n.TrN .Activity.MergedPRAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n" .Activity.MergedPRAuthorCount)
+				}}
 			</h4>
 			<div class="list">
 				{{range .Activity.MergedPRs}}
@@ -153,7 +159,10 @@
 		{{if gt .Activity.OpenedPRCount 0}}
 			<h4 class="ui horizontal divider header" id="proposed-pull-requests">
 				<span class="text">{{svg "octicon-git-branch"}}</span>
-				{{.i18n.Tr "repo.activity.title.prs_opened_by" (.i18n.Tr (TrN .i18n.Lang .Activity.OpenedPRCount "repo.activity.title.prs_1" "repo.activity.title.prs_n") .Activity.OpenedPRCount) (.i18n.Tr (TrN .i18n.Lang .Activity.OpenedPRAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n") .Activity.OpenedPRAuthorCount) }}
+				{{.i18n.Tr "repo.activity.title.prs_opened_by"
+					(.i18n.TrN .Activity.OpenedPRCount "repo.activity.title.prs_1" "repo.activity.title.prs_n" .Activity.OpenedPRCount)
+					(.i18n.TrN .Activity.OpenedPRAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n" .Activity.OpenedPRAuthorCount)
+				}}
 			</h4>
 			<div class="list">
 				{{range .Activity.OpenedPRs}}
@@ -169,7 +178,10 @@
 		{{if gt .Activity.ClosedIssueCount 0}}
 			<h4 class="ui horizontal divider header" id="closed-issues">
 				<span class="text">{{svg "octicon-issue-closed"}}</span>
-				{{.i18n.Tr "repo.activity.title.issues_closed_from" (.i18n.Tr (TrN .i18n.Lang .Activity.ClosedIssueCount "repo.activity.title.issues_1" "repo.activity.title.issues_n") .Activity.ClosedIssueCount) (.i18n.Tr (TrN .i18n.Lang .Activity.ClosedIssueAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n") .Activity.ClosedIssueAuthorCount) }}
+				{{.i18n.Tr "repo.activity.title.issues_closed_from"
+					(.i18n.TrN .Activity.ClosedIssueCount "repo.activity.title.issues_1" "repo.activity.title.issues_n" .Activity.ClosedIssueCount)
+					(.i18n.TrN .Activity.ClosedIssueAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n" .Activity.ClosedIssueAuthorCount)
+				}}
 			</h4>
 			<div class="list">
 				{{range .Activity.ClosedIssues}}
@@ -185,7 +197,10 @@
 		{{if gt .Activity.OpenedIssueCount 0}}
 			<h4 class="ui horizontal divider header" id="new-issues">
 				<span class="text">{{svg "octicon-issue-opened"}}</span>
-				{{.i18n.Tr "repo.activity.title.issues_created_by" (.i18n.Tr (TrN .i18n.Lang .Activity.OpenedIssueCount "repo.activity.title.issues_1" "repo.activity.title.issues_n") .Activity.OpenedIssueCount) (.i18n.Tr (TrN .i18n.Lang .Activity.OpenedIssueAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n") .Activity.OpenedIssueAuthorCount) }}
+				{{.i18n.Tr "repo.activity.title.issues_created_by"
+					(.i18n.TrN .Activity.OpenedIssueCount "repo.activity.title.issues_1" "repo.activity.title.issues_n" .Activity.OpenedIssueCount)
+					(.i18n.TrN .Activity.OpenedIssueAuthorCount "repo.activity.title.user_1" "repo.activity.title.user_n" .Activity.OpenedIssueAuthorCount)
+				}}
 			</h4>
 			<div class="list">
 				{{range .Activity.OpenedIssues}}
@@ -201,7 +216,7 @@
 		{{if gt .Activity.UnresolvedIssueCount 0}}
 			<h4 class="ui horizontal divider header" id="unresolved-conversations">
 				<span class="text">{{svg "octicon-comment-discussion"}}</span>
-				{{.i18n.Tr (TrN .i18n.Lang .Activity.UnresolvedIssueCount "repo.activity.title.unresolved_conv_1" "repo.activity.title.unresolved_conv_n") .Activity.UnresolvedIssueCount }}
+				{{.i18n.TrN .Activity.UnresolvedIssueCount "repo.activity.title.unresolved_conv_1" "repo.activity.title.unresolved_conv_n" .Activity.UnresolvedIssueCount}}
 			</h4>
 			<div class="text center desc">
 				{{.i18n.Tr "repo.activity.unresolved_conv_desc"}}
diff --git a/templates/repo/blame.tmpl b/templates/repo/blame.tmpl
index 0b37f41c28..cdd31c0eba 100644
--- a/templates/repo/blame.tmpl
+++ b/templates/repo/blame.tmpl
@@ -3,7 +3,7 @@
 		<div class="file-header-left df ac">
 			<div class="file-info text grey normal mono">
 				<div class="file-info-entry">
-					{{.NumLines}} {{.i18n.Tr (TrN .i18n.Lang .NumLines "repo.line" "repo.lines") }}
+					{{.NumLines}} {{.i18n.TrN .NumLines "repo.line" "repo.lines"}}
 				</div>
 				<div class="file-info-entry">{{FileSize .FileSize}}</div>
 			</div>
diff --git a/templates/repo/create.tmpl b/templates/repo/create.tmpl
index c7aaf54351..c250b0d4a9 100644
--- a/templates/repo/create.tmpl
+++ b/templates/repo/create.tmpl
@@ -16,7 +16,7 @@
 
 					{{if not .CanCreateRepo}}
 						<div class="ui negative message">
-							<p>{{.i18n.Tr (TrN .i18n.Lang .MaxCreationLimit "repo.form.reach_limit_of_creation_1" "repo.form.reach_limit_of_creation_n") .MaxCreationLimit}}</p>
+							<p>{{.i18n.TrN .MaxCreationLimit "repo.form.reach_limit_of_creation_1" "repo.form.reach_limit_of_creation_n" .MaxCreationLimit}}</p>
 						</div>
 					{{end}}
 					<div class="inline required field {{if .Err_Owner}}error{{end}}">
diff --git a/templates/repo/issue/view_content/comments.tmpl b/templates/repo/issue/view_content/comments.tmpl
index c229028540..026e1de0fd 100644
--- a/templates/repo/issue/view_content/comments.tmpl
+++ b/templates/repo/issue/view_content/comments.tmpl
@@ -187,9 +187,9 @@
 				<span class="text grey">
 					<a class="author" href="{{.Poster.HomeLink}}">{{.Poster.GetDisplayName}}</a>
 					{{if and .AddedLabels (not .RemovedLabels)}}
-						{{$.i18n.Tr (TrN $.i18n.Lang (len .AddedLabels) "repo.issues.add_label" "repo.issues.add_labels") (RenderLabels .AddedLabels) $createdStr | Safe}}
+						{{$.i18n.TrN (len .AddedLabels) "repo.issues.add_label" "repo.issues.add_labels" (RenderLabels .AddedLabels) $createdStr | Safe}}
 					{{else if and (not .AddedLabels) .RemovedLabels}}
-						{{$.i18n.Tr (TrN $.i18n.Lang (len .RemovedLabels) "repo.issues.remove_label" "repo.issues.remove_labels") (RenderLabels .RemovedLabels) $createdStr | Safe}}
+						{{$.i18n.TrN (len .RemovedLabels) "repo.issues.remove_label" "repo.issues.remove_labels" (RenderLabels .RemovedLabels) $createdStr | Safe}}
 					{{else}}
 						{{$.i18n.Tr "repo.issues.add_remove_labels" (RenderLabels .AddedLabels) (RenderLabels .RemovedLabels) $createdStr | Safe}}
 					{{end}}
@@ -716,7 +716,7 @@
 				{{ if .IsForcePush }}
 					{{$.i18n.Tr "repo.issues.force_push_codes" ($.Issue.PullRequest.HeadBranch|Escape) (ShortSha .OldCommit) (($.Issue.Repo.CommitLink .OldCommit)|Escape)  (ShortSha .NewCommit) (($.Issue.Repo.CommitLink .NewCommit)|Escape) $createdStr | Safe}}
 				{{else}}
-					{{$.i18n.Tr (TrN $.i18n.Lang (len .Commits) "repo.issues.push_commit_1" "repo.issues.push_commits_n") (len .Commits) $createdStr | Safe}}
+					{{$.i18n.TrN (len .Commits) "repo.issues.push_commit_1" "repo.issues.push_commits_n" (len .Commits) $createdStr | Safe}}
 				{{end}}
 			</span>
 		</div>
diff --git a/templates/repo/issue/view_content/pull.tmpl b/templates/repo/issue/view_content/pull.tmpl
index bb80bba7c8..85076027d1 100644
--- a/templates/repo/issue/view_content/pull.tmpl
+++ b/templates/repo/issue/view_content/pull.tmpl
@@ -224,7 +224,7 @@
 				{{else if .IsBlockedByChangedProtectedFiles}}
 					<div class="item">
 						<i class="icon icon-octicon">{{svg "octicon-x" 16}}</i>
-						{{$.i18n.Tr (TrN $.i18n.Lang $.ChangedProtectedFilesNum "repo.pulls.blocked_by_changed_protected_files_1" "repo.pulls.blocked_by_changed_protected_files_n") | Safe }}
+						{{$.i18n.TrN $.ChangedProtectedFilesNum "repo.pulls.blocked_by_changed_protected_files_1" "repo.pulls.blocked_by_changed_protected_files_n" | Safe }}
 						<div class="ui ordered list">
 							{{range .ChangedProtectedFiles}}
 								<div data-value="-" class="item">{{.}}</div>
@@ -555,7 +555,7 @@
 				{{else if .IsBlockedByChangedProtectedFiles}}
 					<div class="item text red">
 						<i class="icon icon-octicon">{{svg "octicon-x" 16}}</i>
-						{{$.i18n.Tr (TrN $.i18n.Lang $.ChangedProtectedFilesNum "repo.pulls.blocked_by_changed_protected_files_1" "repo.pulls.blocked_by_changed_protected_files_n") | Safe }}
+						{{$.i18n.TrN $.ChangedProtectedFilesNum "repo.pulls.blocked_by_changed_protected_files_1" "repo.pulls.blocked_by_changed_protected_files_n" | Safe }}
 						<div class="ui ordered list">
 							{{range .ChangedProtectedFiles}}
 								<div data-value="-" class="item">{{.}}</div>
diff --git a/templates/repo/sub_menu.tmpl b/templates/repo/sub_menu.tmpl
index 5ba88f7356..57bef2e40f 100644
--- a/templates/repo/sub_menu.tmpl
+++ b/templates/repo/sub_menu.tmpl
@@ -3,14 +3,14 @@
 		<div class="ui two horizontal center link list">
 			{{if and (.Permission.CanRead $.UnitTypeCode) (not .IsEmptyRepo)}}
 				<div class="item{{if .PageIsCommits}} active{{end}}">
-					<a class="ui" href="{{.RepoLink}}/commits/{{.BranchNameSubURL}}">{{svg "octicon-history"}} <b>{{.CommitsCount}}</b> {{.i18n.Tr (TrN .i18n.Lang .CommitsCount "repo.commit" "repo.commits") }}</a>
+					<a class="ui" href="{{.RepoLink}}/commits/{{.BranchNameSubURL}}">{{svg "octicon-history"}} <b>{{.CommitsCount}}</b> {{.i18n.TrN .CommitsCount "repo.commit" "repo.commits"}}</a>
 				</div>
 				<div class="item{{if .PageIsBranches}} active{{end}}">
-					<a class="ui" href="{{.RepoLink}}/branches">{{svg "octicon-git-branch"}} <b>{{.BranchesCount}}</b> {{.i18n.Tr (TrN .i18n.Lang .BranchesCount "repo.branch" "repo.branches") }}</a>
+					<a class="ui" href="{{.RepoLink}}/branches">{{svg "octicon-git-branch"}} <b>{{.BranchesCount}}</b> {{.i18n.TrN .BranchesCount "repo.branch" "repo.branches"}}</a>
 				</div>
 				{{if $.Permission.CanRead $.UnitTypeCode}}
 					<div class="item">
-						<a class="ui" href="{{.RepoLink}}/tags">{{svg "octicon-tag"}} <b>{{.NumTags}}</b> {{.i18n.Tr (TrN .i18n.Lang .NumTags "repo.tag" "repo.tags") }}</a>
+						<a class="ui" href="{{.RepoLink}}/tags">{{svg "octicon-tag"}} <b>{{.NumTags}}</b> {{.i18n.TrN .NumTags "repo.tag" "repo.tags"}}</a>
 					</div>
 				{{end}}
 				<div class="item">
diff --git a/templates/repo/view_file.tmpl b/templates/repo/view_file.tmpl
index 6698e6bbe5..6bd54cc8e5 100644
--- a/templates/repo/view_file.tmpl
+++ b/templates/repo/view_file.tmpl
@@ -13,7 +13,7 @@
 					{{end}}
 					{{if .NumLinesSet}}
 						<div class="file-info-entry">
-							{{.NumLines}} {{.i18n.Tr (TrN .i18n.Lang .NumLines "repo.line" "repo.lines") }}
+							{{.NumLines}} {{.i18n.TrN .NumLines "repo.line" "repo.lines"}}
 						</div>
 					{{end}}
 					{{if .FileSize}}
diff --git a/templates/shared/issuelist.tmpl b/templates/shared/issuelist.tmpl
index 0b68a03414..3050107123 100644
--- a/templates/shared/issuelist.tmpl
+++ b/templates/shared/issuelist.tmpl
@@ -91,25 +91,25 @@
 						{{if gt $approveOfficial 0}}
 							<span class="approvals df ac">
 								{{svg "octicon-check" 14 "mr-1"}}
-								{{$.i18n.Tr (TrN $.i18n.Lang $approveOfficial "repo.pulls.approve_count_1" "repo.pulls.approve_count_n") $approveOfficial}}
+								{{$.i18n.TrN $approveOfficial "repo.pulls.approve_count_1" "repo.pulls.approve_count_n" $approveOfficial}}
 							</span>
 						{{end}}
 						{{if gt $rejectOfficial 0}}
 							<span class="rejects df ac">
 								{{svg "octicon-diff" 14 "mr-2"}}
-								{{$.i18n.Tr (TrN $.i18n.Lang $rejectOfficial "repo.pulls.reject_count_1" "repo.pulls.reject_count_n") $rejectOfficial}}
+								{{$.i18n.TrN $rejectOfficial "repo.pulls.reject_count_1" "repo.pulls.reject_count_n" $rejectOfficial}}
 							</span>
 						{{end}}
 						{{if gt $waitingOfficial 0}}
 							<span class="waiting df ac">
 								{{svg "octicon-eye" 14 "mr-2"}}
-								{{$.i18n.Tr (TrN $.i18n.Lang $waitingOfficial "repo.pulls.waiting_count_1" "repo.pulls.waiting_count_n") $waitingOfficial}}
+								{{$.i18n.TrN $waitingOfficial "repo.pulls.waiting_count_1" "repo.pulls.waiting_count_n" $waitingOfficial}}
 							</span>
 						{{end}}
 						{{if and (not .PullRequest.HasMerged) (gt (len .PullRequest.ConflictedFiles) 0)}}
 							<span class="conflicting df ac">
 								{{svg "octicon-x" 14}}
-								{{$.i18n.Tr (TrN $.i18n.Lang (len .PullRequest.ConflictedFiles) "repo.pulls.num_conflicting_files_1" "repo.pulls.num_conflicting_files_n") (len .PullRequest.ConflictedFiles)}}
+								{{$.i18n.TrN (len .PullRequest.ConflictedFiles) "repo.pulls.num_conflicting_files_1" "repo.pulls.num_conflicting_files_n" (len .PullRequest.ConflictedFiles)}}
 							</span>
 						{{end}}
 					{{end}}