/// <summary>
/// 删除文件
/// </summary>
/// <param name="strFileName"></param>
public static void DelFile(String strFileName)
{
MongoDatabase mongoDB = SystemManager.GetCurrentDataBase();
MongoGridFS gfs = mongoDB.GetGridFS(new MongoGridFSSettings());
gfs.Delete(strFileName);
}
public void ExcluirArquivo(string id)
{
//Todo: Verificar se o arquivo existe no banco! antes de tentar excluir
var mySetting = new MongoGridFSSettings();
var gfs = new MongoGridFS(server, database.Name, mySetting);
gfs.Delete(Query.EQ("_id", new BsonObjectId(new ObjectId(id))));
}
//delete from GridFS (old api)
public static void deleteFromGridFS(string imeFajla)
{
var client = new MongoClient("mongodb://localhost");
var server = client.GetServer();
var database = server.GetDatabase("docs");
var gridFs = new MongoGridFS(database);
gridFs.Delete(imeFajla);
}
/// <summary>
/// deletes file
/// </summary>
/// <param name="filepath"></param>
public void Delete(string filepath)
{
if (string.IsNullOrWhiteSpace(filepath))
{
throw new ArgumentException("filepath cannot be null or empty");
}
//all filepaths are lowercase and all starts with folder separator
filepath = filepath.ToLowerInvariant();
if (!filepath.StartsWith(FOLDER_SEPARATOR))
{
filepath = FOLDER_SEPARATOR + filepath;
}
var sourceQuery = Query.EQ("filename", filepath);
if (gfs.Exists(sourceQuery))
{
gfs.Delete(sourceQuery);
}
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="remoteFile"></param>
public void Delete(string remoteFile)
{
_logger.DebugFormat("Delete File, Id:{0}", remoteFile);
try
{
MongoGridFS fs = new MongoGridFS(_context.DataBase);
fs.Delete(remoteFile);
}
catch (Exception ex)
{
_logger.Error(ex);
_logger.Error(ex.StackTrace);
throw;
}
}
public void DeleteDirectory(string virtualPath)
{
string fixedPath = FixPath(virtualPath);
MongoGridFS mongoGridFs = GetGridFS();
var fileInfos = mongoGridFs.Find(Query.Matches("metadata.directory_name", new BsonRegularExpression(new Regex(@"^" + fixedPath))));
foreach (var fi in fileInfos)
{
mongoGridFs.DeleteById(fi.Id);
}
mongoGridFs.Delete(fixedPath);
if (DirectoryDeleted != null)
{
DirectoryDeleted.Invoke(this, new FileEventArgs(virtualPath, null));
}
}
/// <summary>
/// 批量删除文件
/// </summary>
/// <param name="files"></param>
public void Delete(string[] remoteFiles)
{
_logger.Debug("Delete Files");
try
{
MongoGridFS fs = new MongoGridFS(_context.DataBase);
foreach (string item in remoteFiles)
{
fs.Delete(item);
}
}
catch (Exception ex)
{
_logger.Error(ex);
_logger.Error(ex.StackTrace);
throw;
}
}
/// <summary>
/// 通过文件名删除文件
/// </summary>
/// <param name="fileName">文件名</param>
public void DeleteFileByName(string fileName, string pictureDBName)
{
try
{
if (string.IsNullOrEmpty(fileName) || string.IsNullOrEmpty(pictureDBName))
{
throw new KnownException("缺失必需数据，无法删除数据！");
}
MongoGridFSSettings fsSetting = new MongoGridFSSettings()
{
Root = pictureDBName
};
MongoGridFS fs = new MongoGridFS(_server, _database.Name, fsSetting);
fs.Delete(fileName);
}
catch (Exception ex)
{
throw ex;
}
}
private static void Main()
{
var exit = false;
_mongoClient = new MongoClient("mongodb://localhost");
_db = new MongoGridFS(_mongoClient.GetServer(), "Default",
new MongoGridFSSettings());
while (!exit)
{
Console.Write(GetPrepend());
var command = Console.ReadLine();
Debug.Assert(command != null, "command != null");
if (command.Length == 0)
{
continue;
}
//What the f**k?
//Handles quotation marks in incoming commands
var result = command.Split('"')
.Select((element, index) => index % 2 == 0
? element.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
: new[] { element })
.SelectMany(element => element).ToList();
switch (result[0].ToLower())
{
case "exit":
exit = true;
break;
case "cd":
if (result.Count == 2)
{
if (result[1] == "..")
{
var sarray = _currentdirectory.Split('/').Where(x => x != "").ToArray();
var str = "/";
for (var i = 0; i < sarray.Length - 1; i++)
{
str += sarray[i] + "/";
}
_currentdirectory = str;
}
else
{
_currentdirectory += result[1] + "/";
}
}
else
{
Console.WriteLine(" Usage: cd <dir>");
}
break;
case "server":
_mongoClient = new MongoClient("mongodb://" + result[1]);
_db = new MongoGridFS(_mongoClient.GetServer(), "Default",
new MongoGridFSSettings());
break;
case "db":
_db = new MongoGridFS(_mongoClient.GetServer(), result[1],
new MongoGridFSSettings());
break;
case "ls":
if (_db != null)
{
var query = from file in _db.FindAll()
where file.Name.StartsWith(_currentdirectory)
select file;
foreach (var file in query)
{
Console.WriteLine(" " + file.Name);
}
}
break;
case "put":
if (result.Count == 2)
{
var file = new FileInfo(result[1]);
if (!file.Exists)
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Uploading " + file.Name + "...");
Debug.Assert(_db != null, "_db != null");
_db.Upload(file.FullName, _currentdirectory + file.Name);
Console.WriteLine("Done!");
}
else if (result.Count == 3)
{
var file = new FileInfo(result[1]);
if (!file.Exists)
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Uploading " + file.Name + "...");
Debug.Assert(_db != null, "_db != null");
_db.Upload(file.FullName, result[2]);
Console.WriteLine("Done!");
}
else
{
Console.WriteLine(" Usage: put <src> [dest]");
}
break;
case "get":
if (result.Count == 2)
{
Debug.Assert(_db != null, "_db != null");
if (!_db.Exists(result[1]))
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Downloading " + result[1] + "...");
_db.Download(result[1], result[1]);
Console.WriteLine("Done!");
}
else if (result.Count == 3)
{
Debug.Assert(_db != null, "_db != null");
if (!_db.Exists(result[1]))
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Downloading " + result[1] + "...");
_db.Download(result[2], result[1]);
Console.WriteLine("Done!");
}
else
{
Console.WriteLine(" Usage: get <src> [dest]");
}
break;
case "del":
if (result.Count == 2)
{
Debug.Assert(_db != null, "_db != null");
if (!_db.Exists(result[1]))
{
Console.WriteLine(" File doesn't exist!");
break;
}
_db.Delete(result[1]);
}
else
{
Console.WriteLine(" Usage: del <filename>");
}
break;
default:
Console.WriteLine(" Invalid Command");
break;
}
}
}
public void TestCopyTo()
{
_gridFS.Delete(Query.Null);
Assert.AreEqual(0, _gridFS.Chunks.Count());
Assert.AreEqual(0, _gridFS.Files.Count());
var contents = "Hello World";
var bytes = Encoding.UTF8.GetBytes(contents);
var uploadStream = new MemoryStream(bytes);
var createOptions = new MongoGridFSCreateOptions
{
Aliases = new[] { "HelloWorld", "HelloUniverse" },
ChunkSize = _gridFS.Settings.ChunkSize,
ContentType = "text/plain",
Id = ObjectId.GenerateNewId(),
Metadata = new BsonDocument {
{ "a", 1 }, { "b", 2 }
},
UploadDate = DateTime.UtcNow
};
var fileInfo = _gridFS.Upload(uploadStream, "HelloWorld.txt", createOptions);
var copyInfo = fileInfo.CopyTo("HelloWorld2.txt");
Assert.AreEqual(2, _gridFS.Chunks.Count());
Assert.AreEqual(2, _gridFS.Files.Count());
Assert.IsNull(copyInfo.Aliases);
Assert.AreEqual(fileInfo.ChunkSize, copyInfo.ChunkSize);
Assert.AreEqual(fileInfo.ContentType, copyInfo.ContentType);
Assert.AreNotEqual(fileInfo.Id, copyInfo.Id);
Assert.AreEqual(fileInfo.Length, copyInfo.Length);
Assert.AreEqual(fileInfo.MD5, copyInfo.MD5);
Assert.AreEqual(fileInfo.Metadata, copyInfo.Metadata);
Assert.AreEqual("HelloWorld2.txt", copyInfo.Name);
Assert.AreEqual(fileInfo.UploadDate, copyInfo.UploadDate);
}
/// <summary>
/// 上传文件
/// </summary>
/// <remarks>Mongo允许同名文件，因为id才是主键</remarks>
/// <param name="strFileName"></param>
public static UploadResult UpLoadFile(String strFileName, UpLoadFileOption Option)
{
MongoDatabase mongoDB = SystemManager.GetCurrentDataBase();
MongoGridFS gfs = mongoDB.GetGridFS(new MongoGridFSSettings());
String RemoteName = String.Empty;
if (Option.FileNameOpt == enumGFSFileName.filename)
{
RemoteName = new FileInfo(strFileName).Name;
}
else
{
if (Option.DirectorySeparatorChar != Path.DirectorySeparatorChar)
{
RemoteName = strFileName.Replace(Path.DirectorySeparatorChar, Option.DirectorySeparatorChar);
}
else
{
RemoteName = strFileName;
}
}
try
{
OnActionDone(new ActionDoneEventArgs(RemoteName + " Uploading "));
if (!gfs.Exists(RemoteName))
{
gfs.Upload(strFileName, RemoteName);
return(UploadResult.Complete);
}
else
{
switch (Option.AlreadyOpt)
{
case enumGFSAlready.JustAddIt:
gfs.Upload(strFileName, RemoteName);
return(UploadResult.Complete);
case enumGFSAlready.RenameIt:
String ExtendName = new FileInfo(strFileName).Extension;
String MainName = RemoteName.Substring(0, RemoteName.Length - ExtendName.Length);
int i = 1;
while (gfs.Exists(MainName + i.ToString() + ExtendName))
{
i++;
}
gfs.Upload(strFileName, MainName + i.ToString() + ExtendName);
return(UploadResult.Complete);
case enumGFSAlready.SkipIt:
return(UploadResult.Skip);
case enumGFSAlready.OverwriteIt:
gfs.Delete(RemoteName);
gfs.Upload(strFileName, RemoteName);
return(UploadResult.Complete);
case enumGFSAlready.Stop:
return(UploadResult.Skip);
}
return(UploadResult.Skip);
}
}
catch (Exception ex)
{
SystemManager.ExceptionDeal(ex);
return(UploadResult.Exception);
}
}
/// <summary>
/// 删除报表结果
/// </summary>
/// <param name="fileName"></param>
/// <param name="rootName"></param>
public void DeleteFile(string fileName, string rootName)
{
MongoGridFS fs = GetGridFs(Dbname, rootName);
fs.Delete(fileName);
}
public void CopyTo()
{
gridFS.Delete(Query.Null);
gridFS.Chunks.Count().Should().Be(0);
gridFS.Files.Count().Should().Be(0);
var uploadStream = new MemoryStream(ContentBytes);
var createOptions = new MongoGridFSCreateOptions
{
Aliases = new[] { "애국가", "HelloWorld" },
ChunkSize = gridFS.Settings.ChunkSize,
ContentType = "text/plain",
Id = ObjectId.GenerateNewId(),
Metadata = new BsonDocument {
{ "a", 1 }, { "b", 2 }
},
UploadDate = DateTime.UtcNow
};
var fileInfo = gridFS.Upload(uploadStream, "HelloWorld.txt", createOptions);
fileInfo.Should().Not.Be.Null();
var copyInfo = fileInfo.CopyTo("HelloWorld2.txt");
copyInfo.Should().Not.Be.Null();
gridFS.Chunks.Count().Should().Be(2); // 하나의 파일 크기가 ChunkSize 보다 작으므로
gridFS.Files.Count().Should().Be(2);
copyInfo.Aliases.Should().Be.Null(); // Alias는 복사되지 않습니다.
copyInfo.ChunkSize.Should().Be(fileInfo.ChunkSize);
copyInfo.ContentType.Should().Be(fileInfo.ContentType);
copyInfo.Id.Should().Not.Be(fileInfo.Id);
copyInfo.Length.Should().Be(fileInfo.Length);
copyInfo.MD5.Should().Be(fileInfo.MD5);
Assert.AreEqual(fileInfo.Metadata, copyInfo.Metadata);
copyInfo.Name.Should().Be("HelloWorld2.txt");
copyInfo.UploadDate.Should().Be(fileInfo.UploadDate);
}