/// <summary>
/// Gets the state of the AMP output filter.
/// </summary>
/// <returns>
/// DISABLED - filter is disabled for current page
/// ENABLED_AND_ACTIVE - filter is enabled for current page and activated (page is being accessed from AMP domain)
/// ENABLED_AND_INACTIVE - filter is enabled for current page but not active
/// </returns>
public static int GetFilterState()
{
// Check if AMP filter is enabled in site settings
if (!Settings.AmpFilterEnabled)
{
return(Constants.DISABLED);
}
// Apply filter only in LiveSite or Preview mode
if (PortalContext.ViewMode != ViewModeEnum.LiveSite && PortalContext.ViewMode != ViewModeEnum.Preview)
{
return(Constants.DISABLED);
}
// Check if current page is allowed to use AMP filter
ObjectQuery <AmpFilterInfo> q = AmpFilterInfoProvider.GetAmpFilters().WhereEquals("PageNodeGuid", DocumentContext.CurrentPageInfo.NodeGUID.ToString());
if (q.Count == 0)
{
return(Constants.DISABLED);
}
// Check if the domain from which we are accessing is set for AMP filter
string currentDomain = CMSHttpContext.Current.Request.Url.IsDefaultPort ? CMSHttpContext.Current.Request.Url.Host : CMSHttpContext.Current.Request.Url.Host + ":" + CMSHttpContext.Current.Request.Url.Port;
string ampDomain = Settings.AmpFilterDomainAlias;
if (!currentDomain.Equals(ampDomain))
{
return(Constants.ENABLED_AND_INACTIVE);
}
return(Constants.ENABLED_AND_ACTIVE);
}
/// <summary>
/// Returns CSS stylesheet for current page.
/// Stylesheet can be:
/// - normal CSS of current page
/// - default CSS for all AMP pages
/// - CSS set as AMP stylesheet for current page
/// </summary>
private string GetStylesheetText()
{
string cssText = "";
// Checking which CSS file to use
ObjectQuery <AmpFilterInfo> q = AmpFilterInfoProvider.GetAmpFilters().WhereEquals("PageNodeGuid", DocumentContext.CurrentPageInfo.NodeGUID.ToString());
AmpFilterInfo ampFilterInfo = q.FirstOrDefault();
bool useDefaultStylesheet = ampFilterInfo?.UseDefaultStylesheet ?? true;
if (useDefaultStylesheet)
{
// Get the ID of default AMP CSS
string defaultID = Settings.AmpFilterDefaultCSS;
var cssID = ValidationHelper.GetInteger(defaultID, 0);
// Default AMP CSS is not set, using ordinary CSS of current page
if (cssID == 0)
{
cssText = DocumentContext.CurrentDocumentStylesheet?.StylesheetText;
}
else
{
// Use default AMP CSS stylesheet
var cssInfo = CssStylesheetInfoProvider.GetCssStylesheetInfo(cssID);
if (cssInfo != null)
{
cssText = cssInfo.StylesheetText;
}
}
}
else
{
// Use specific AMP CSS set for this page
int stylesheetID = ampFilterInfo?.StylesheetID ?? 0;
var cssInfo = CssStylesheetInfoProvider.GetCssStylesheetInfo(stylesheetID);
if (cssInfo != null)
{
cssText = cssInfo.StylesheetText;
}
}
// Resolve macros
cssText = MacroResolver.Resolve(cssText);
// Resolve client URL
return(HTMLHelper.ResolveCSSClientUrls(cssText, CMSHttpContext.Current.Request.Url.ToString()));
}
/// <summary>
/// Updates the object using appropriate provider.
/// </summary>
protected override void SetObject()
{
AmpFilterInfoProvider.SetAmpFilterInfo(this);
}
/// <summary>
/// Deletes the object using appropriate provider.
/// </summary>
protected override void DeleteObject()
{
AmpFilterInfoProvider.DeleteAmpFilterInfo(this);
}
/// <summary>
/// Returns data only for current site context
/// </summary>
/// <param name="data">Data set</param>
private DataSet Control_OnAfterRetrieveData(DataSet data)
{
return(AmpFilterInfoProvider.GetAmpFilters().WhereEquals("SiteID", SiteContext.CurrentSiteID).Result);
}