public static SitefinityVirtualImage ResolveVirtualImage(string virtualPath, NameValueCollection queryString)
{
var requestUrl = virtualPath + "?" + HttpUtilities.QueryStringSerialize(queryString);
if (!requestUrl.StartsWith("/images/"))
{
throw new HttpException("Can process requested image! NOIMAGEDIR");
}
var result = new SitefinityVirtualImage();
LibrariesManager manager;
var librariesConfig = Telerik.Sitefinity.Configuration.Config.Get <LibrariesConfig>();
#region branje thumbnail profila iz url-ja
string thumbnailProfileName;
string sitefinityNormalizedImagePath = ExtractSitefinityMediaName(requestUrl, librariesConfig, out thumbnailProfileName);
result.ThumbnailProfile = librariesConfig.Images.Thumbnails.Profiles[thumbnailProfileName];
#endregion
#region branje provider name iz url-ja
string providerName = ExtractProviderName(requestUrl);
var providerConfig = librariesConfig.Providers.Elements.FirstOrDefault(a => a.GetParameter("urlName") == providerName);
manager = providerConfig != null ? new LibrariesManager(providerConfig.Name) : new LibrariesManager();
#endregion
string redirectUrl;
var image = manager.GetItemFromUrl <Telerik.Sitefinity.Libraries.Model.Image>(sitefinityNormalizedImagePath, out redirectUrl);
result.Image = ProcessStatuses(manager, image, queryString["Status"]);
result.Manager = manager;
return(result);
}
/// <summary>
/// Reads image from cache if exists. Otherwise it construct new one by resolving from virtualPath and querystring.
/// If http contenxt exists cache is saved in http context.
/// </summary>
/// <returns></returns>
private SitefinityVirtualImage EnsureImage(HttpContext httpContext, string virtualPath, NameValueCollection queryString)
{
SitefinityVirtualImage result;
if (httpContext != null)
{
result = httpContext.Items["SitefinityVirtualImageProviderPlugin_LoadedImage"] as SitefinityVirtualImage;
if (result != null)
{
return(result);
}
}
try
{
result = SitefinityHelpers.ResolveVirtualImage(virtualPath, queryString);
}
catch (Exception)
{
result = new SitefinityVirtualImage();
}
if (httpContext != null)
{
httpContext.Items["SitefinityVirtualImageProviderPlugin_LoadedImage"] = result;
}
return(result);
}
public IVirtualFile GetFile(string virtualPath, NameValueCollection queryString)
{
SitefinityVirtualImage image = EnsureImage(HttpContext.Current, virtualPath, queryString);
if (image != null && image.Image != null)
{
return(image);
}
return(null);
}
public bool FileExists(string virtualPath, NameValueCollection queryString)
{
SitefinityVirtualImage image = EnsureImage(HttpContext.Current, virtualPath, queryString);
return(image != null && image.Image != null);
}
