public override Stream GetMaterialContent(string contentID)
{
MaterialContent content = MaterialContentAdapter.Instance.Load(builder => builder.AppendItem("CONTENT_ID", contentID)).SingleOrDefault();
Stream result = null;
if (content != null)
{
if (content.ContentData == null)
{
content.ContentData = new byte[0];
}
result = new MemoryStream(content.ContentData);
}
else
{
//数据库里如果没有附件，则从文件系统获取（基类实现）
if (this.DestFileInfo != null)
{
result = base.GetMaterialContent(contentID);
}
else
{
throw new SystemSupportException(string.Format("不能找到ContentID为'{0}'的附件内容", contentID));
}
}
return(result);
}
private void SaveMaterialContentFromFile(MaterialContent content)
{
SourceFileInfo.NullCheck("SourceFileInfo");
if (CheckSourceFileExists)
{
ExceptionHelper.FalseThrow(SourceFileInfo.Exists, string.Format(Resources.FileNotFound, SourceFileInfo.Name));
}
if (SourceFileInfo.Exists)
{
content.FileSize = SourceFileInfo.Length;
using (TransactionScope scope = TransactionScopeFactory.Create())
{
using (FileStream stream = SourceFileInfo.OpenRead())
{
MaterialContentAdapter.Instance.Update(content, stream);
TransactionScopeFactory.AttachCommittedAction(new Action <TransactionEventArgs>(Current_TransactionCompleted), false);
}
scope.Complete();
}
}
}
public override void SaveMaterialContent(MaterialContent content)
{
if (content.ContentData == null)
{
SaveMaterialContentFromFile(content);
}
else
{
SaveMaterialContentFromData(content);
}
}
public MaterialContent GenerateMaterialContent()
{
MaterialContent content = new MaterialContent();
content.ContentID = this.ID;
content.FileName = this.OriginalName;
content.RelativeID = this.ResourceID;
content.Class = this.MaterialClass;
content.Creator = this.Creator;
return(content);
}
public override void SaveMaterialContent(MaterialContent content)
{
SourceFileInfo.NullCheck("SourceFileInfo");
DestFileInfo.NullCheck("DestFileInfo");
if (CheckSourceFileExists)
{
ExceptionHelper.FalseThrow(SourceFileInfo.Exists, string.Format(Resource.FileNotFound, SourceFileInfo.Name));
}
MoveFile(SourceFileInfo, DestFileInfo);
}
private static MaterialContent PrepareMaterialContent(UploadFileHistory history, Stream fileStream)
{
MaterialContent content = new MaterialContent();
content.ContentID = GetMaterialContentID(history);
content.Creator = history.Operator;
content.FileName = history.OriginalFileName;
content.FileSize = fileStream.Length;
content.RelativeID = content.ContentID;
content.Class = "UploadFileHistory";
return(content);
}
/// <summary>
/// 初始化，或者准备MaterialContent
/// </summary>
public void EnsureMaterialContent()
{
this._Content = GenerateMaterialContent();
if (this.IsEmpty() == false)
{
EnsureEmptyImage();
}
else
{
this._Content.ContentData = null;
this._Content.PhysicalSourceFilePath = null;
}
}
public void Insert(UploadFileHistory history, Stream fileStream)
{
ExceptionHelper.FalseThrow <ArgumentNullException>(fileStream != null, "fileStream");
using (TransactionScope scope = TransactionScopeFactory.Create())
{
Insert(history);
MaterialContent content = PrepareMaterialContent(history, fileStream);
MaterialContentAdapter.Instance.Update(content, fileStream);
scope.Complete();
}
}
private void SaveMaterialContentFromData(MaterialContent content)
{
content.FileSize = content.ContentData.Length;
using (TransactionScope scope = TransactionScopeFactory.Create())
{
using (MemoryStream stream = new MemoryStream(content.ContentData))
{
MaterialContentAdapter.Instance.Update(content, stream);
TransactionScopeFactory.AttachCommittedAction(new Action <TransactionEventArgs>(Current_TransactionCompleted), false);
}
scope.Complete();
}
}
/// <summary>
/// 克隆附件的内容
/// </summary>
/// <returns></returns>
public MaterialContent Clone()
{
MaterialContent result = new MaterialContent();
result.ContentID = this.ContentID;
result.RelativeID = this.RelativeID;
result._Creator = this._Creator;
result.Class = this.Class;
result.ContentData = this.ContentData;
result.CreateTime = this.CreateTime;
result.FileName = this.FileName;
result.FileSize = this.FileSize;
result.UpdateTime = this.UpdateTime;
result.PhysicalSourceFilePath = this.PhysicalSourceFilePath;
return(result);
}
/// <summary>
/// 根据附件信息生成MaterialContent
/// </summary>
/// <returns></returns>
private MaterialContent GenerateExistsMaterialContent()
{
MaterialContent content = new MaterialContent();
content.ContentID = this.ID;
content.FileName = this.OriginalName;
content.RelativeID = this.ResourceID;
content.Class = this.MaterialClass;
if (DeluxePrincipal.IsAuthenticated)
{
content.Creator = DeluxeIdentity.CurrentUser;
}
if (this._Content != null)
{
content.ContentData = this._Content.ContentData;
}
return(content);
}
public override void DeleteMaterialContent(MaterialContent content)
{
DestFileInfo.NullCheck("DestFileInfo");
DeleteFile(DestFileInfo);
}
public virtual void DoModifyFileOperations(string rootPath, MaterialFileOeprationInfo fileOperation, MaterialContent content)
{
var task = new InvokeServiceTask()
{
TaskID = UuidHelper.NewUuidString(),
TaskTitle = string.Format(this.taskTitleTemplate, fileOperation.Material.OriginalName, fileOperation.Material.ID),
};
var parameters = new WfServiceOperationParameterCollection
{
new WfServiceOperationParameter("rootPath", rootPath),
new WfServiceOperationParameter("fileOperation", fileOperation.Operation.ToString()),
new WfServiceOperationParameter("materialConnectionName",
DbConnectionMappingContext.GetMappedConnectionName(MaterialAdapter.Instance.GetConnectionName())),
new WfServiceOperationParameter("contentConnectionName",
DbConnectionMappingContext.GetMappedConnectionName(MaterialContentAdapter.Instance.ConnectionName)),
new WfServiceOperationParameter("materialId", fileOperation.Material.ID),
new WfServiceOperationParameter("url", fileOperation.Material.ShowFileUrl)
};
task.SvcOperationDefs.Add(new WfServiceOperationDefinition(
new WfServiceAddressDefinition(WfServiceRequestMethod.Post, null, ResourceUriSettings.GetConfig().Paths[this.resourceUri].Uri.ToString()),
"DoFileToDocService", parameters, "ReturnValue")
);
DbConnectionMappingContext.DoMappingAction(
DbConnectionMappingContext.GetMappedConnectionName(InvokeServiceTaskAdapter.Instance.ConnectionName),
InvokeServiceTaskAdapter.Instance.ConnectionName,
() =>
{
InvokeServiceTaskAdapter.Instance.Update(task);
});
}
// <summary>
/// 初始化，或者准备MaterialContent
/// </summary>
public void EnsureMaterialContent()
{
this._Content = GenerateExistsMaterialContent();
EnsureNotChangedMaterial();
}
private void DoFileOperation(string rootPathName, MaterialFileOeprationInfo fileOp, MaterialContent content)
{
MaterialFileOperationSettings.GetConfig().Operations.ForEach(op =>
op.DoModifyFileOperations(rootPathName, fileOp, content));
}
public abstract void SaveMaterialContent(MaterialContent content);
public void DoModifyFileOperations(string rootPathName, MaterialFileOeprationInfo fileOp, MaterialContent content)
{
string uploadRootPath = AppPathConfigSettings.GetConfig().Paths[rootPathName].Dir;
ExceptionHelper.CheckStringIsNullOrEmpty(uploadRootPath, "uploadRootPath");
IMaterialContentPersistManager persistManager = GetMaterialContentPersistManager(rootPathName, fileOp);
if (content == null)
{
content = fileOp.Material.GenerateMaterialContent();
}
switch (fileOp.Operation)
{
case FileOperation.Add:
case FileOperation.Update:
persistManager.SaveMaterialContent(content);
break;
case FileOperation.Delete:
persistManager.DeleteMaterialContent(content);
break;
default:
break;
}
}
public abstract void DeleteMaterialContent(MaterialContent content);
public override void DeleteMaterialContent(MaterialContent content)
{
MaterialContentAdapter.Instance.Delete(content);
}