/// <summary>
/// Open/Create new file storage and returns linked Stream to write operations.
/// </summary>
public LiteFileStream <TFileId> OpenWrite(TFileId id, string filename, BsonDocument metadata = null)
{
// get _id as BsonValue
var fileId = _db.Mapper.Serialize(typeof(TFileId), id);
// checks if file exists
var file = this.FindById(id);
if (file == null)
{
file = new LiteFileInfo <TFileId>
{
Id = id,
Filename = Path.GetFileName(filename),
MimeType = MimeTypeConverter.GetMimeType(filename),
Metadata = metadata ?? new BsonDocument()
};
// set files/chunks instances
file.SetReference(fileId, _files, _chunks);
}
else
{
// if filename/metada was changed
file.Filename = Path.GetFileName(filename);
file.MimeType = MimeTypeConverter.GetMimeType(filename);
file.Metadata = metadata ?? file.Metadata;
}
return(file.OpenWrite());
}
public LiteFileInfo(string id, string filename)
{
if (!IdPattern.IsMatch(id))
{
throw LiteException.InvalidFormat("FileId", id);
}
this.Id = id;
this.Filename = Path.GetFileName(filename);
this.MimeType = MimeTypeConverter.GetMimeType(this.Filename);
this.Length = 0;
this.UploadDate = DateTime.Now;
this.Metadata = new BsonDocument();
}
public FileEntry(string id, string filename)
{
if (!Regex.IsMatch(id, ID_PATTERN))
{
throw new LiteException("Invalid file id format.");
}
this.Id = id;
this.Filename = Path.GetFileName(filename);
this.MimeType = MimeTypeConverter.GetMimeType(this.Filename);
this.Length = 0;
this.UploadDate = DateTime.Now;
this.Metadata = new BsonObject();
}
internal LiteFileInfo(LiteEngine engine, string id, string filename)
{
if (!IdPattern.IsMatch(id))
{
throw LiteException.InvalidFormat(id);
}
_engine = engine;
this.Id = id;
this.Filename = Path.GetFileName(filename);
this.MimeType = MimeTypeConverter.GetMimeType(this.Filename);
this.Length = 0;
this.Chunks = 0;
this.UploadDate = DateTime.Now;
this.Metadata = new BsonDocument();
}
