private void SaveMetaData(Picture picture, byte[] data)
{
var exifs = PictureInfo.ReadExifs(data);
foreach (var exifsTag in exifs.Keys)
{
var tag = this.picShareContext.PicturesMetaDatas.SingleOrDefault(x => x.PictureId == picture.Id && x.Tag == exifsTag);
if (tag != null)
{
continue;
}
tag = new PictureMetaData
{
PictureId = picture.Id,
Tag = exifsTag,
Value = exifs[exifsTag],
};
this.picShareContext.PicturesMetaDatas.Add(tag);
}
this.picShareContext.SaveChanges();
}