public override OutputData DoAction(IInputData input)
{
string context = input.QueryString["Context"];
if (!string.IsNullOrEmpty(context))
{
Context = DbContextUtil.CreateDbContext(context);
}
AttachmentResolver resolver = new AttachmentResolver(this);
using (resolver)
{
DataRow row = resolver.Query(input.QueryString);
bool noFileName = input.QueryString["NoFileName"].Value <bool>();
FileContent content;
if (noFileName)
{
content = new FileContent(row["ContentType"].ToString(), (byte[])row["Content"]);
}
else
{
content = new FileContent(row["ContentType"].ToString(),
row["OriginalName"].ToString(), (byte[])row["Content"]);
}
return(OutputData.Create(content));
}
}
protected override object DeleteAttachment(IDbDataSource host,
IFieldUpload upload, DataRow row, string path)
{
AttachmentResolver resolver = new AttachmentResolver(host);
resolver.SetCommands(AdapterCommand.Delete);
resolver.Delete(row[upload.ContentField].Value <int>(), false);
return(resolver);
}
protected override object UpdateAttachment(IDbDataSource host,
IFieldUpload upload, DataRow row, string oldPath, string newPath)
{
AttachmentResolver resolver = new AttachmentResolver(host);
resolver.SetCommands(AdapterCommand.Update);
resolver.Update(row[upload.ContentField].Value <int>(), row[upload.FileNameField].ToString(), newPath,
row[upload.MimeTypeField].ToString(),
File.ReadAllBytes(newPath), false);
fDelFile = newPath;
return(resolver);
}
protected override object InsertAttachment(IDbDataSource host,
IFieldUpload upload, DataRow row, string path)
{
AttachmentResolver resolver = new AttachmentResolver(host);
resolver.SetCommands(AdapterCommand.Insert);
byte[] fileData = File.ReadAllBytes(path);
row[upload.ContentField] = resolver.Insert(
row[upload.FileNameField].ToString(), path,
row[upload.MimeTypeField].ToString(), fileData, false);
fDelFile = path;
return(resolver);
}