func (this *CookieAction) Update() {
if this.GetString("submit") == "Delete" {
this.SetCookie(xweb.NewCookie(cookieName, "", -1))
} else {
this.SetCookie(xweb.NewCookie(cookieName, this.GetString("cookie"), 0))
}
this.Redirect("/", 301)
}
// setLangVer sets site language version.
func (this *baseAction) setLangVer() bool {
isNeedRedir := false
hasCookie := false
// 1. Check URL arguments.
lang := this.GetString("lang")
// 2. Get language information from cookies.
if len(lang) == 0 {
cookie, _ := this.GetCookie("lang")
if cookie != nil {
lang = cookie.Value
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.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 {
cookie := xweb.NewCookie("lang", curLang.Lang, 1<<31-1)
this.SetCookie(cookie)
}
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.AddTmplVars(&xweb.T{
"Lang": curLang.Lang,
"CurLang": curLang.Name,
"RestLangs": restLangs,
})
this.Lang = lang
return isNeedRedir
}