namespace Elternbeirat.Web.Shared;

/// <summary>
///     Marks the current response as HTTP 503 when the content source is down.
/// </summary>
/// <remarks>
///     Several components handle a <see cref="PocketBase.PocketBaseUnavailableException"/>
///     the same way: the site works but PocketBase does not, so the response is a
///     503 and the component renders a "temporarily unavailable" note instead of
///     empty content that would read as 200 "there is nothing here". This puts the
///     status-setting in one place so those components do not each repeat it.
/// </remarks>
internal static class SourceUnavailable
{
    /// <summary>
    ///     Sets the response status to 503 Service Unavailable, if there is a
    ///     response to set it on.
    /// </summary>
    /// <param name="context">
    ///     The current HTTP context, or <see langword="null"/> when the component
    ///     renders outside a request (in which case there is nothing to do).
    /// </param>
    public static void SetStatus(HttpContext? context)
    {
        if (context is not null)
        {
            context.Response.StatusCode = StatusCodes.Status503ServiceUnavailable;
        }
    }
}