/// <summary>Gets the path of a resized version of the image, if it exists, otherwise the given image url.</summary>
/// <param name="fs">The file system used to check file existence.</param>
/// <param name="url">The base url of an image.</param>
/// <param name="resizedSuffix">The size suffix to append before the extension.</param>
/// <returns>A resized image url if it exists.</returns>
public static string GetExistingImagePath(this IFileSystem fs, string imageUrl, string preferredSize, out bool preferredSizeExists)
{
if (string.IsNullOrEmpty(imageUrl) || string.IsNullOrEmpty(preferredSize))
{
preferredSizeExists = false;
return(imageUrl);
}
string preferredUrl = ImagesUtility.GetResizedPath(imageUrl, preferredSize);
try
{
if (fs.FileExists(preferredUrl))
{
preferredSizeExists = true;
return(preferredUrl);
}
}
catch (InvalidOperationException)
{
}
preferredSizeExists = false;
return(Url.ToAbsolute(imageUrl));
}
/// <summary>Gets the path of a resized version of the image, if it exists, otherwise the given image url.</summary>
/// <param name="url">The base url of an image.</param>
/// <param name="resizedSuffix">The size suffix to append before the extension.</param>
/// <returns>A resized image url if it exists.</returns>
public static string GetExistingImagePath(string imageUrl, string preferredSize)
{
if (string.IsNullOrEmpty(imageUrl) || string.IsNullOrEmpty(preferredSize))
{
return(imageUrl);
}
string preferredUrl = ImagesUtility.GetResizedPath(imageUrl, preferredSize);
if (HostingEnvironment.VirtualPathProvider.FileExists(preferredUrl))
{
return(preferredUrl);
}
return(Url.ToAbsolute(imageUrl));
}
/// <summary>Gets the path of a resized version of the image, if it exists, otherwise the given image url.</summary>
/// <param name="url">The base url of an image.</param>
/// <param name="resizedSuffix">The size suffix to append before the extension.</param>
/// <returns>A resized image url if it exists.</returns>
public static string GetExistingImagePath(string imageUrl, string preferredSize)
{
if (string.IsNullOrEmpty(imageUrl) || string.IsNullOrEmpty(preferredSize))
{
return(imageUrl);
}
string preferredUrl = ImagesUtility.GetResizedPath(imageUrl, preferredSize);
try
{
if ((Context.Current.Resolve <IFileSystem>()).FileExists(preferredUrl))
{
return(preferredUrl);
}
}
catch (InvalidOperationException)
{
}
return(Url.ToAbsolute(imageUrl));
}
