public virtual CachedImageResult GetCachedImage(int? pictureId, string seoFileName, string extension, object settings = null)
{
var imagePath = this.GetCachedImagePath(pictureId, seoFileName, extension, ImageResizerUtils.CreateResizeSettings(settings));
var localPath = this.GetImageLocalPath(imagePath);
var result = new CachedImageResult
{
Path = imagePath, //"Media/Thumbs/" + imagePath,
LocalPath = localPath,
FileName = Path.GetFileName(imagePath),
Extension = GetCleanFileExtension(imagePath),
Exists = File.Exists(localPath)
};
return result;
}
public virtual CachedImageResult Get(IFile file, ProcessImageQuery query)
{
Guard.NotNull(file, nameof(file));
Guard.NotNull(query, nameof(query));
var imagePath = GetCachedImagePath(file, query);
var thumbFile = _fileSystem.GetFile(BuildPath(imagePath));
var result = new CachedImageResult(thumbFile)
{
Path = imagePath,
Extension = file.Extension.TrimStart('.'),
IsRemote = _fileSystem.IsCloudStorage
};
if (file.Exists && file.Size <= 0)
{
result.Exists = false;
}
return(result);
}
public byte[] ProcessAndAddImageToCache(CachedImageResult cachedImage, byte[] source, int targetSize)
{
byte[] result;
if (targetSize == 0)
{
AddImageToCache(cachedImage, source);
result = source;
}
else
{
var sourceStream = new MemoryStream(source);
using (var resultStream = _imageResizerService.ResizeImage(sourceStream, targetSize, targetSize, _mediaSettings.DefaultImageQuality))
{
result = resultStream.GetBuffer();
AddImageToCache(cachedImage, result);
}
}
cachedImage.Exists = true;
return(result);
}
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
};
if (file.Exists && file.Size <= 0)
{
result.Exists = false;
}
return(result);
}
private bool PrepareAddImageToCache(CachedImageResult cachedImage, byte[] buffer)
{
Guard.NotNull(cachedImage, nameof(cachedImage));
if (buffer == null || buffer.Length == 0)
{
return(false);
}
if (cachedImage.Exists)
{
_fileSystem.DeleteFile(BuildPath(cachedImage.Path));
}
// create folder if needed
string imageDir = System.IO.Path.GetDirectoryName(cachedImage.Path);
if (imageDir.HasValue())
{
_fileSystem.TryCreateFolder(BuildPath(imageDir));
}
return(true);
}
public void AddImageToCache(CachedImageResult cachedImage, byte[] buffer)
{
Guard.ArgumentNotNull(() => cachedImage);
if (buffer == null || buffer.Length == 0)
{
throw new ArgumentException("The image buffer cannot be empty.", "buffer");
}
if (cachedImage.Exists)
{
File.Delete(cachedImage.LocalPath);
}
// create directory if necessary
string imageDir = Path.GetDirectoryName(cachedImage.LocalPath);
if (imageDir.HasValue() && !System.IO.Directory.Exists(imageDir))
{
System.IO.Directory.CreateDirectory(imageDir);
}
// save file
File.WriteAllBytes(cachedImage.LocalPath, buffer);
}
public virtual Stream OpenCachedImage(CachedImageResult cachedImage)
{
Guard.NotNull(cachedImage, nameof(cachedImage));
return(_fileSystem.GetFile(BuildPath(cachedImage.Path)).OpenRead());
}
