/
router.go
126 lines (105 loc) · 2.79 KB
/
router.go
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// Copyright 2013 Beego Web authors
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
// Package routers implemented controller methods of beego.
package routers
import (
"strings"
"time"
"github.com/astaxie/beego"
"github.com/beego/i18n"
// "github.com/devuser/beego-admin-demo"
)
var (
AppVer string
IsPro bool
)
var langTypes []*langType // Languages are supported.
// langType represents a language type.
type langType struct {
Lang, Name string
}
// baseRouter implemented global settings for all other routers.
type baseRouter struct {
beego.Controller
i18n.Locale
}
// Prepare implemented Prepare method for baseRouter.
func (this *baseRouter) Prepare() {
// Setting properties.
this.Data["AppVer"] = AppVer
this.Data["IsPro"] = IsPro
this.Data["PageStartTime"] = time.Now()
// Redirect to make URL clean.
if this.setLangVer() {
i := strings.Index(this.Ctx.Request.RequestURI, "?")
this.Redirect(this.Ctx.Request.RequestURI[:i], 302)
return
}
}
// setLangVer sets site language version.
func (this *baseRouter) setLangVer() bool {
isNeedRedir := false
hasCookie := false
// 1. Check URL arguments.
lang := this.Input().Get("lang")
// 2. Get language information from cookies.
if len(lang) == 0 {
lang = this.Ctx.GetCookie("lang")
hasCookie = true
} else {
isNeedRedir = true
}
// Check again in case someone modify by purpose.
if !i18n.IsExist(lang) {
lang = ""
isNeedRedir = false
hasCookie = false
}
// 3. Get language information from 'Accept-Language'.
if len(lang) == 0 {
al := this.Ctx.Request.Header.Get("Accept-Language")
if len(al) > 4 {
al = al[:5] // Only compare first 5 letters.
if i18n.IsExist(al) {
lang = al
}
}
}
// 4. Default language is English.
if len(lang) == 0 {
lang = "en-US"
isNeedRedir = false
}
curLang := langType{
Lang: lang,
}
// Save language information in cookies.
if !hasCookie {
this.Ctx.SetCookie("lang", curLang.Lang, 1<<31-1, "/")
}
restLangs := make([]*langType, 0, len(langTypes)-1)
for _, v := range langTypes {
if lang != v.Lang {
restLangs = append(restLangs, v)
} else {
curLang.Name = v.Name
}
}
// Set language properties.
this.Lang = lang
this.Data["Lang"] = curLang.Lang
this.Data["CurLang"] = curLang.Name
this.Data["RestLangs"] = restLangs
return isNeedRedir
}