protected Imager CreateImager(Material material)
{
if (material == null || material.File == null)
{
throw new CustomArgumentException("Can't create Imager for empty Material!");
}
if (_infrastructure.StorageService == null)
{
throw new CustomArgumentException("FileStorage Service is not presented!");
}
if (material.FileType != FileName.FileType.Image)
{
throw new CustomArgumentException("Can't create Imager for not Image Material!");
}
// get path for image file
var materialPath = _infrastructure.GetMaterialPath(material);
// get image byte array
var materialData = _infrastructure.StorageService.ReadFile(materialPath);
// create imager object for image
return(Imager.Create(materialData));
}
public void ConvertVideo(long materialID)
{
try
{
if (_converter == null)
{
return;
}
var material = _unitOfWork.MaterialRepository.Get(materialID);
if (material == null || material.File == null)
{
return;
}
var videoPath = _infrastructure.GetMaterialPath(material);
var videoUrl = _infrastructure.StorageService.GetFileUrl(videoPath);
var videoFormat = material.File.FileName.Extension.Trim('.');
var input = new InputParameters()
{
Filepath = videoUrl,
InputFormat = videoFormat.ToLower(),
InputMethod = InputMethod.Download
};
var output = new OutputParameters()
{
SaveToServer = true
};
var conversion = new ConversionParameters()
{
OutputFormat = "mp4"
};
var result = _converter.ConvertAsync(input, output, conversion).Result;
if (result != null && !String.IsNullOrWhiteSpace(result.Url))
{
Task.Run(() => this.WaitForConvertaion(materialID, result.Url));
}
}
catch (Exception ex) { }
}
public void SaveMaterialThumbnail(Material material)
{
if (_infrastructure.StorageService == null)
{
throw new CustomArgumentException("FileStorage Service is not presented!");
}
if (material == null || material.File == null)
{
throw new CustomArgumentException("Can't save Thumbnail for empty Material!");
}
// get path for thumbnail file
var thumbnailPath = _infrastructure.GetThumbnailPath(material);
// thumbnail byte array
byte[] thumbnailData = null;
if (material.FileType == FileName.FileType.Image)
{
var materialPath = _infrastructure.GetMaterialPath(material);
var materialData = _infrastructure.StorageService.ReadFile(materialPath);
if (materialData != null)
{
thumbnailData = this.CreateImageThumbnail(materialData);
}
}
// try to create default thumbnail
if (thumbnailData == null)
{
thumbnailData = this.CreateDefaultThumbnail(material.FileType);
}
// save thumbnail byte array to storage
if (thumbnailData != null)
{
_infrastructure.StorageService.SaveFile(thumbnailPath, thumbnailData);
}
}
