/
controller.go
135 lines (113 loc) · 2.98 KB
/
controller.go
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package base
import (
"encoding/json"
"fmt"
"github.com/beego/beego"
"github.com/beego/beego/logs"
"github.com/beego/i18n"
"github.com/tautcony/qart/models/response"
"golang.org/x/text/language"
"golang.org/x/text/language/display"
"path"
"strings"
"time"
)
var (
AppVer string
)
type langType struct {
Lang, Name string
}
var langTags []language.Tag // Languages are supported.
type QArtController struct {
beego.Controller
i18n.Locale
}
func (c *QArtController) JSON(data interface{}) {
c.Data["json"] = data
c.ServeJSON()
}
func (c *QArtController) Success(data interface{}, code int) {
r := &response.BaseResponse{
Success: true,
Code: code,
Data: data,
}
c.JSON(r)
}
func (c *QArtController) Fail(data interface{}, code int, message string) {
r := &response.BaseResponse{
Code: code,
Data: data,
Message: message,
}
c.JSON(r)
}
// Prepare implemented Prepare method for baseRouter.
func (c *QArtController) Prepare() {
// Setting properties.
c.Data["AppVer"] = AppVer
c.Data["PageStartTime"] = time.Now()
// Redirect to make URL clean.
if c.matchLang() {
i := strings.Index(c.Ctx.Request.RequestURI, "?")
c.Redirect(c.Ctx.Request.RequestURI[:i], 302)
return
}
}
func (c *QArtController) matchLang() bool {
requireRedirect := false
var matcher = language.NewMatcher(langTags)
urlLang := c.Input().Get("lang")
cookieLang := c.Ctx.GetCookie("lang")
accept := c.Ctx.Request.Header.Get("Accept-Language")
requireRedirect = urlLang != "" // language from url trigger a redirect
curLang, _ := language.MatchStrings(matcher, urlLang, cookieLang, accept)
// Save language information in cookies.
if cookieLang == "" || cookieLang != curLang.String() {
c.Ctx.SetCookie("lang", curLang.String(), 1<<31-1, "/")
}
restLangs := make([]*langType, 0, len(langTags)-1)
for _, v := range langTags {
if curLang != v {
restLangs = append(restLangs, &langType{
Lang: v.String(),
Name: display.Self.Name(v),
})
}
}
// Set language properties.
c.Lang = curLang.String()
c.Data["Lang"] = curLang.String()
c.Data["CurLang"] = langType{
Lang: curLang.String(),
Name: display.Self.Name(curLang),
}
c.Data["RestLangs"] = restLangs
return requireRedirect
}
func initLocales() {
// Initialized language type list.
var availableLangs []string
langConfig := beego.AppConfig.String("lang::available_lang")
err := json.Unmarshal([]byte(langConfig), &availableLangs)
if err != nil {
logs.Error("Language config invalid", langConfig)
return
}
langTags = make([]language.Tag, 0, len(availableLangs))
for _, name := range availableLangs {
l := language.Make(name)
langTags = append(langTags, l)
}
for _, tag := range langTags {
logs.Info("Loading language: %v[%v]", display.Self.Name(tag), tag.String())
if err := i18n.SetMessage(tag.String(), path.Join("conf", "locale", fmt.Sprintf("locale_%v.ini", tag.String()))); err != nil {
logs.Error("Fail to set message file: " + err.Error())
return
}
}
}
func init() {
initLocales()
}