/// <summary>
/// Artifactから画像ファイルパスを取得し、サムネイルを生成します。
/// </summary>
/// <param name="workflowContext"></param>
/// <param name="pstack"></param>
private void GenerateArtifact(IWorkflowContext workflowContext, ParameterStack pstack)
{
var artifact = pstack.GetValue <ImageArtifact>(ActivityParameterStack.TARGET);
if (artifact == null)
{
throw new ArgumentNullException();
}
var imageArtifactRepository = new ImageArtifactRepository(workflowContext.DbContext);
if (artifact.Id != 0L)
{
artifact = imageArtifactRepository.Load(artifact.Id);
}
var fullpath = System.IO.Path.Combine(artifact.FileMappingInfo.Workspace.PhysicalPath, artifact.FileMappingInfo.MappingFilePath);
var thumbnailManager = workflowContext.ThumbnailManager;
if (string.IsNullOrEmpty(artifact.ThumbnailKey))
{
var thumbnailKey = thumbnailManager.BuildThumbnail(null, fullpath);
artifact.ThumbnailKey = thumbnailKey;
}
else
{
var thumbnailKey = thumbnailManager.BuildThumbnail(artifact.ThumbnailKey, fullpath);
}
}
protected override void Execute(CodeActivityContext context)
{
IWorkflowContext workflowContext = context.GetExtension <IWorkflowContext>();
ParameterStack pstack = context.GetValue <ParameterStack>(this.Parameter);
var target = pstack.GetValue <FileMappingInfo>(ActivityParameterStack.TARGET);
Mogami.Model.Category category = null;
if (pstack.ContainsKey(ActivityParameterStack.CATEGORY))
{
category = pstack.GetValue <Mogami.Model.Category>(ActivityParameterStack.CATEGORY);
}
var outputname = context.GetValue <string>(OutputName);
// Guard
Ensure.That(target).IsNotNull();
// FileMappingInfoがArtifactとの関連が存在する場合、
// 新規のArtifactは作成できないので、例外を投げる。
if (target.Id != 0L)
{
var r = new ArtifactRepository(workflowContext.DbContext);
var a = r.LoadByFileMappingInfo(target);
if (a != null)
{
throw new ApplicationException("すでに作成済みのFileMappingInfoです。");
}
}
if (category == null)
{
var catrepo = new CategoryRepository(workflowContext.DbContext);
var appcat = catrepo.Load(3L);
if (appcat == null)
{
throw new ApplicationException();
}
}
var tokens = target.MappingFilePath.Split(new string[] { @"\" }, StringSplitOptions.None);
var sttokens = new Stack <string>(tokens);
var title = sttokens.Pop();
// 現Verでは画像のみ、メタ情報を生成できる。
// (それ以外のファイルは、例外を投げる)
if (target.Mimetype == "image/png")
{
var repo = new ImageArtifactRepository(workflowContext.DbContext);
var entity = new ImageArtifact
{
Title = title,
IdentifyKey = RandomAlphameric.RandomAlphanumeric(10),
FileMappingInfo = target,
ImageHeight = -1, // 未実装
ImageWidth = -1, // 未実装
};
if (category != null)
{
entity.Category = new T_Artifact2Category()
{
Artifact = entity,
Category = category,
OrderNo = 1
}
}
;
repo.Add(entity);
pstack.SetValue(outputname, entity);
}
else
{
throw new ApplicationException("処理不能なMIMEタイプです");
}
}
#endregion メソッド
}
