public Response.IResponse Execute(CommandArgs args)
{
var pa = args.As <resizeArgs>();
if (string.IsNullOrWhiteSpace(pa.target))
{
return(new Response.ErrorResponse("target not specified"));
}
// get volume for our target
var vol = _volumeManager.GetByHash(pa.target);
if (vol == null)
{
return(new Response.ErrorResponse("invalid target"));
}
var fileToModify = vol.GetFileByHash(pa.target);
if (fileToModify == null)
{
return(new Response.ErrorResponse("invalid target"));
}
// check if we can generate thumbnail for this file
if (!_imageEditorService.CanGenerateThumbnail(fileToModify.Name))
{
return(new Response.ErrorResponse("unsupported extension"));
}
// check what operation we want to perform
string sourceFilePath = vol.DecodeHashToPath(pa.target);
switch (pa.mode)
{
case imageEditMode.crop:
if (!_imageEditorService.CropImage(
sourceFilePath,
new System.Drawing.Point(pa.x ?? 0, pa.y ?? 0),
new System.Drawing.Size(pa.width, pa.height)))
{
return(new Response.ErrorResponse("other error"));
}
break;
case imageEditMode.resize:
if (!_imageEditorService.ResizeImage(
sourceFilePath,
new System.Drawing.Size(pa.width, pa.height)))
{
return(new Response.ErrorResponse("other error"));
}
break;
case imageEditMode.rotate:
if (!_imageEditorService.RotateImage(sourceFilePath, pa.degree ?? 0))
{
return(new Response.ErrorResponse("other error"));
}
break;
}
// hmm since we need to recreate the thumbnail, then we need to delete existing
vol.DeleteThumbnailFor(fileToModify);
// and set that thumbnail is supported
fileToModify.Thumbnail = Model.FileModel.ThumbnailIsSupported;
return(new Response.ResizeResponse(new Model.FileModel[] { fileToModify }));
}