在 Erlang Web 1.4 中添加国际支持

发布于 2024-08-26 11:30:51 字数 647 浏览 10 评论 0原文

我正在尝试为基于 Erlang Web 1.4 的网站添加国际支持。

我想在每个页面上有几个链接（臭名昭著的国家标志），允许用户设置他的语言会话变量。

我现在拥有的链接如下：

<li><a href="/session/language/en">English</a></li>

在会话控制器中我所做的：

language(Args) ->
    LanguageId = proplists:get_value(id, Args),
    case language_is_supported(LanguageId) of
        false ->
            ok;
        true ->
            wpart:fset("session:lang", LanguageId)
    end,
    {redirect, "/"}.

问题是，在设置首选语言之后，我希望用户在更改语言之前重定向到他正在访问的页面。在这种情况下，“__path”变量没有帮助，因为它包含语言请求而不是“前一个”请求。

我该如何解决这种情况？我可能使用了错误的方法，但我现在无法做任何其他事情。

原文

I'm trying to add international support for a website based on the Erlang Web 1.4.

I would like to have a couple of links on every page (the notorious Country flags) that allow the user to set his language session variable.

What I have right now is a link like:

<li><a href="/session/language/en">English</a></li>

Where, in the session controller I do:

language(Args) ->
    LanguageId = proplists:get_value(id, Args),
    case language_is_supported(LanguageId) of
        false ->
            ok;
        true ->
            wpart:fset("session:lang", LanguageId)
    end,
    {redirect, "/"}.

The problem is that, after setting the preferred language, I would like the user to be redirected to the page he was visiting before changing the language. In this case the "__path" variable doesn't help because it contains the language request and not the "previous" one.

How could I resolve this situation?
I'm probably using the wrong approach but I cannot thing to anything else right now.

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回忆躺在深渊里 2024-09-02 11:30:51

如果请求字典确实如此有限，那么我唯一的黑客可以想到的是，您将当前页面的 url 作为 GET 变量传递回来：

英语

language(Args) ->
    LanguageId = proplists:get_value(id, Args),
    case language_is_supported(LanguageId) of
        false -> ok;
        true ->  wpart:fset("session:lang", LanguageId)
    end,
    Referrer = eptic:fget("get", "referrer"),
    {redirect, Referrer}.

If the request dictionary is really so limited, the only hack I can think of is that you pass the current page's url back as a GET variable:

<li><a href="/session/language/en?referrer=/path/to/current/page">English</a></li>

language(Args) ->
    LanguageId = proplists:get_value(id, Args),
    case language_is_supported(LanguageId) of
        false -> ok;
        true ->  wpart:fset("session:lang", LanguageId)
    end,
    Referrer = eptic:fget("get", "referrer"),
    {redirect, Referrer}.

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