public DateTime GetLastModified(IEnumerable <string> filenames)
{
return(gfs
.Find(Query.In("filename", new BsonArray(filenames)))
.SetSortOrder(SortBy.Descending("uploadDate"))
.SetLimit(1)
.Select(x => x.UploadDate).FirstOrDefault());
}
public int FindFiles(string filename, ArrayList files, DokanFileInfo info)
{
Trace.TraceInformation("FindFiles: {0}", filename);
filename = GetPath(filename).TrimEnd('\\') + "\\";
var regex = String.Format(@"{0}[^\\]+\\?(?=.*)$", Regex.Escape(filename));
var matchingFiles = _gridFs.Find(
Query.Matches("filename", new BsonRegularExpression(regex, "i"))
);
foreach (var fsFileInfo in matchingFiles)
{
files.Add(fsFileInfo.GetFileInformation());
}
var directoryNames = _gridFs.Files.MapReduce(
String.Format(
@"var match = /^{0}([^\\]+)\\/i.exec(this.filename);", Regex.Escape(filename)) +
@"if(match != null && match.length > 1){
emit(match[1],this._id);
}
",
"function(){}",
new MapReduceOptionsBuilder()
.SetFinalize("function(key,values){return key;}")
.SetOutput(new MapReduceOutput("GridDirectories"))
);
foreach (var matchingDirectory in directoryNames.GetResults())
{
files.Add(Extensions.NewDirectory(matchingDirectory.GetValue("value").AsString));
}
return(0);
}
public IEnumerable <FileModel> GetFilesForPatient(PatientModel patient)
{
var cursor = _gridFS.Find(Query.EQ("metadata.PatientID", patient.ID));
foreach (var result in cursor)
{
yield return(FileModelFromGridFSMetadata(result));
}
}
public void FindByNameTest()
{
gridFS.Delete(Query.Null);
Assert.IsFalse(gridFS.Exists(UploadFileName));
var fileInfo = UploadHelloWord();
gridFS.Find(UploadFileName).RunEach(fi => fi.Should().Be(fileInfo));
}
public void TestFindByName()
{
_gridFS.Delete(Query.Null);
Assert.IsFalse(_gridFS.Exists("HelloWorld.txt"));
var fileInfo = UploadHelloWorld();
foreach (var foundInfo in _gridFS.Find("HelloWorld.txt"))
{
Assert.AreEqual(fileInfo, foundInfo);
}
}
/// <summary>
/// finds all files
/// </summary>
/// <param name="startsWithPath"></param>
/// <param name="includeTempFiles"></param>
/// <param name="skip"></param>
/// <param name="limit"></param>
/// <returns></returns>
public List <IStorageFile> FindAll(string startsWithPath = null, bool includeTempFiles = false, int?skip = null, int?limit = null)
{
//all filepaths are lowercase and all starts with folder separator
if (!string.IsNullOrWhiteSpace(startsWithPath))
{
startsWithPath = startsWithPath.ToLowerInvariant();
if (!startsWithPath.StartsWith(FOLDER_SEPARATOR))
{
startsWithPath = FOLDER_SEPARATOR + startsWithPath;
}
}
List <IMongoQuery> queries = new List <IMongoQuery>();
if (!includeTempFiles)
{
IMongoQuery tmpFolderQuery = Query.Matches("filename", new BsonRegularExpression("^(/" + TMP_FOLDER_NAME + "/)", "i"));
IMongoQuery tmpFolderExclideQuery = Query.Not(tmpFolderQuery);
queries.Add(tmpFolderExclideQuery);
}
if (!string.IsNullOrWhiteSpace(startsWithPath))
{
//TODO change to starts with - now is contains
var regex = new BsonRegularExpression(string.Format(".*{0}.*", startsWithPath), "i");
queries.Add(Query.Matches("filename", regex));
}
IMongoQuery finalQuery = queries.Count > 0 ? Query.And(queries) : Query.Null;
var cursor = gfs.Find(finalQuery);
if (skip.HasValue)
{
cursor.SetSkip(skip.Value);
}
if (limit.HasValue)
{
cursor.SetLimit(limit.Value);
}
IEnumerable <MongoGridFSFileInfo> files = cursor.ToList();
return(cursor.AsQueryable().Select(f => (IStorageFile)(new MongoStorageFile(f))).ToList());
}
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));
}
}
public void MoveDirectory(string fromVirtualPath, string destinationVirtualPath)
{
string fixedPath = FixPath(fromVirtualPath);
MongoGridFS mongoGridFs = GetGridFS();
var fileInfos = mongoGridFs.Find(Query.Matches("metadata.directory_name", new BsonRegularExpression(new Regex(@"^" + fixedPath))));
foreach (var fi in fileInfos)
{
string newFileName = FixPath(destinationVirtualPath + "/" + fi.Name.Substring(fromVirtualPath.Length));
InternalMoveFile(fi.Name, newFileName);
}
InternalMoveFile(fromVirtualPath, destinationVirtualPath);
if (DirectoryMoved != null)
{
DirectoryMoved.Invoke(this, new FileEventArgs(destinationVirtualPath, fromVirtualPath));
}
}
public void TestReadAllGridFS2Text()
{
var server = MongoServer.Create("mongodb://localhost:27017");
var db = server.GetDatabase("dcm");
var gridSettings = new MongoGridFSSettings();
MongoGridFS fs = db.GetGridFS(gridSettings);
var fileInfo = fs.Find(Query.EQ("filename", "D:\\Download\\FileTestUpload\\Hello2.txt"));
int index = 0;
foreach (var item in fileInfo)
{
MongoGridFSStream readerFS = item.Open(System.IO.FileMode.Open);
StreamReader reader = new StreamReader(readerFS);
string text = reader.ReadToEnd();
Console.WriteLine("####### {0}", ++index);
Console.WriteLine(text);
}
}
