/// <summary>
/// Returns the images thumb path as is plus query (required for uploaded images)
/// </summary>
/// <param name="file">Image file to get thumbnail for</param>
/// <param name="query"></param>
/// <returns></returns>
private string GetCachedImagePath(IFile file, ProcessImageQuery query)
{
if (!_imageProcessor.IsSupportedImage(file.Name))
{
throw new InvalidOperationException("Thumbnails for '{0}' files are not supported".FormatInvariant(file.Extension));
}
// TODO: (mc) prevent creating thumbs for thumbs AND check equality of source and target
var imageFileName = String.Concat(file.Title, query.CreateHash());
var extension = (query.GetResultExtension() ?? file.Extension).EnsureStartsWith(".").ToLower();
var path = _fileSystem.Combine(file.Directory, imageFileName + extension);
return(path.TrimStart('/', '\\'));
}
public virtual CachedImageResult Get(int?pictureId, string seoFileName, string extension, ProcessImageQuery query = null)
{
Guard.NotEmpty(extension, nameof(extension));
extension = query?.GetResultExtension() ?? extension.TrimStart('.').ToLower();
var imagePath = GetCachedImagePath(pictureId, seoFileName, extension, query);
var file = _fileSystem.GetFile(BuildPath(imagePath));
var result = new CachedImageResult(file)
{
Path = imagePath,
Extension = extension,
IsRemote = _fileSystem.IsCloudStorage
};
return(result);
}
public virtual CachedImage Get(int?mediaFileId, MediaPathData data, ProcessImageQuery query = null)
{
Guard.NotNull(data, nameof(data));
var resultExtension = query?.GetResultExtension();
if (resultExtension != null)
{
data.Extension = resultExtension;
}
var imagePath = GetCachedImagePath(mediaFileId, data, query);
var file = _fileSystem.GetFile(BuildPath(imagePath));
var result = new CachedImage(file)
{
Path = imagePath,
Extension = data.Extension,
IsRemote = _fileSystem.IsCloudStorage
};
return(result);
}
