public IActionResult FetchThumbnail(string thumbnailKey)
{
long thumbnailId = 0L;
IThumbnail thumbnail = null;
try {
if (long.TryParse(thumbnailKey, out thumbnailId))
{
thumbnail = thumbnailRepository.Load(thumbnailId);
}
else
{
thumbnail = thumbnailRepository.FindByKey(thumbnailKey).FirstOrDefault();
}
} catch (Exception) {
// サムネイルが正常に取得できない場合は、常にnullとする。
thumbnail = null;
}
// リソースの有効期限等を決定する
//DateTimeOffset now = DateTime.Now;
//var etag = new EntityTagHeaderValue("\"" + Guid.NewGuid().ToString() + "\"");
if (thumbnail == null)
{
System.Reflection.Assembly assm = System.Reflection.Assembly.GetExecutingAssembly();
string filePath = string.Format("Foxpict.Service.Web.Assets.Icon.UI.Article3.png");
return(new FileStreamResult(assm.GetManifestResourceStream(filePath), "image/png"));
}
return(new FileContentResult(thumbnail.BitmapBytes, thumbnail.MimeType));
}
public IActionResult FetchThumbnail(string thumbnailKey)
{
long thumbnailId = 0L;
IThumbnail thumbnail = null;
if (long.TryParse(thumbnailKey, out thumbnailId))
{
thumbnail = thumbnailRepository.Load(thumbnailId);
}
else
{
thumbnail = thumbnailRepository.FindByKey(thumbnailKey).FirstOrDefault();
}
if (thumbnail == null)
{
throw new ApplicationException(string.Format("サムネイル画像({0})が見つかりません", thumbnailKey));
}
// リソースの有効期限等を決定する
//DateTimeOffset now = DateTime.Now;
//var etag = new EntityTagHeaderValue("\"" + Guid.NewGuid().ToString() + "\"");
return(new FileContentResult(thumbnail.BitmapBytes, thumbnail.MimeType));
}
/// <summary>
/// サムネイルを生成します
/// </summary>
public void Do()
{
try
{
using (MemoryStream memoryStream = new MemoryStream())
{
this._ImageSource.SaveAsPng(memoryStream);
string mimeType = "image/png";
if (string.IsNullOrEmpty(_rebuildThumbnailKey))
{
string key = null;
while (key == null)
{
var tal = RandomAlphameric.RandomAlphanumeric(20);
var r = _thumbnailRepository.FindByKey(tal);
if (r.Count() == 0)
{
key = tal;
}
foreach (var p in r)
{
if (p.ThumbnailType != _ThumbnailType)
{
key = tal;
}
}
}
var thumbnail = _thumbnailRepository.New();
thumbnail.ThumbnailKey = key;
thumbnail.ThumbnailType = _ThumbnailType;
thumbnail.MimeType = mimeType;
thumbnail.BitmapBytes = memoryStream.ToArray();
_ThumbnailKey = key;
}
else
{
var thumbnailQue = _thumbnailRepository.FindByKey(_rebuildThumbnailKey);
// サムネイルタイプのエンティティが存在する場合、trueをセットする。
bool isThumbnailSave = false;
foreach (var prop in thumbnailQue)
{
if (prop.ThumbnailType == _ThumbnailType)
{
prop.BitmapBytes = memoryStream.ToArray();
isThumbnailSave = true;
}
}
if (!isThumbnailSave)
{
// 指定したサムネイルタイプのエンティティを、
// 新規作成する。
var thumbnail_NewThumbnailType = _thumbnailRepository.New();
thumbnail_NewThumbnailType.ThumbnailKey = _rebuildThumbnailKey;
thumbnail_NewThumbnailType.ThumbnailType = _ThumbnailType;
thumbnail_NewThumbnailType.BitmapBytes = memoryStream.ToArray();
_ThumbnailKey = _rebuildThumbnailKey;
}
else
{
_ThumbnailKey = _rebuildThumbnailKey;
}
}
}
}
catch (NotSupportedException expr)
{
_logger.Warn(expr.Message);
}
}