/// <summary>
/// Render the html and adds it to the cache.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="partialRequest">The partial request.</param>
/// <param name="content">The content.</param>
/// <param name="templateModel">The template model.</param>
/// <param name="settings">The settings.</param>
/// <param name="cacheKey">The cache key.</param>
protected virtual void RenderAndAddToCache(HtmlHelper helper, PartialRequest partialRequest, IContent content, TemplateModel templateModel, ICacheableSettings settings, string cacheKey)
{
using (var cacheWriter = new StringWriter())
{
var currentWriter = helper.ViewContext.Writer;
helper.ViewContext.Writer = cacheWriter;
DefaultRenderer.Render(helper, partialRequest, content, templateModel);
var html = cacheWriter.ToString();
currentWriter.Write(html);
helper.ViewContext.Writer = currentWriter;
if (helper.ViewContext.HttpContext.Error == null)
{
InsertToCache(html);
}
}
void InsertToCache(string html)
{
if (settings.MaxTimeInCache == TimeSpan.Zero)
{
Cache.Insert(cacheKey, html, new CacheEvictionPolicy(null, MasterCacheKeys));
}
else
{
Cache.Insert(cacheKey, html, new CacheEvictionPolicy(settings.MaxTimeInCache, CacheTimeoutType.Absolute, null, MasterCacheKeys));
}
}
}
/// <summary>
/// Tries to render the HTML from cache, falls back to the default renderer if the content is not cacheable.
/// </summary>
/// <param name="htmlHelper">The HTML helper.</param>
/// <param name="partialRequest">The partial request.</param>
/// <param name="contentData">The content data.</param>
/// <param name="templateModel">The template model.</param>
public void RenderFromCache(HtmlHelper htmlHelper, PartialRequest partialRequest, IContentData contentData, TemplateModel templateModel)
{
if (SettingsService.TryGetSettingsFromContentData(contentData, out ICacheableSettings settings) &&
IsCacheEnabled() &&
contentData is IContent content)
{
RenderFromOrAddToCache(htmlHelper, partialRequest, content, templateModel, settings);
}
else
{
DefaultRenderer.Render(htmlHelper, partialRequest, contentData, templateModel);
}
bool IsCacheEnabled()
{
if (PageEditing.PageIsInEditMode)
{
return(settings.IsCacheEnabled && settings.CacheInCmsEditor);
}
return(settings.IsCacheEnabled);
}
}
public void RenderScene(DrawEventArgs args)
{
renderer.Render(Renderer);
}
