public byte[] DownloadFile(MongoDB.Bson.ObjectId id)
{
var bucket = new GridFSBucket(getDatabase());
var file = bucket.DownloadAsBytes(id);
return(file);
}
public FuncionarioView GetFuncionario(string CPF)
{
try
{
// Recupera funcionário pelo CPF informado
Funcionario funcionario = _context.Funcionarios.Find(x => x.CPF == CPF).FirstOrDefault();
// Cria novo objeto FuncionarioView e inicializa com valores recuperados do banco
FuncionarioView data = new FuncionarioView()
{
CPF = funcionario.CPF,
Email = funcionario.Email,
Endereco = funcionario.Endereco,
Nome = funcionario.Nome,
Tel = funcionario.Tel,
};
// Recupera imagem do funcionário caso exista
if (funcionario.Photo != null)
{
byte[] photo = _gridFS.DownloadAsBytes(funcionario.Photo);
string base64string = Convert.ToBase64String(photo, 0, photo.Length);
data.FileUrl = "data:image/png;base64," + base64string;
}
return(data);
}
catch (Exception ex)
{
throw new Exception("Não foi possível recuperar funcionário", ex);
}
}
public FileData Download(string fileId)
{
FileData file = null;
try
{
GridFSBucket gridFS = new GridFSBucket(this.GetDB());
GridFSFileInfo gridFSFile = gridFS.Find(Builders <GridFSFileInfo> .Filter.Eq("_id", new ObjectId(fileId))).FirstOrDefault();
if (gridFSFile != null)
{
file = new FileData
{
Id = fileId,
Name = gridFSFile.Filename,
Type = gridFSFile.Filename.Substring(gridFSFile.Filename.IndexOf('.') + 1),
Bytes = gridFS.DownloadAsBytes(new ObjectId(fileId)),
UploadDateTime = gridFSFile.UploadDateTime.ToUniversalTime()
};
}
else
{
throw new Exception($"cannot find {fileId} file.");
}
}
catch { throw; }
return(file);
}
private static string PrepareEnv(Message message)
{
lock (GlobalLock)
{
if (!Directory.Exists("work"))
{
Directory.CreateDirectory("work");
}
//todo: wrap in lock
var workPath = Path.Combine("work", message.ZipMongoBlobId);
if (!Directory.Exists(workPath))
{
Directory.CreateDirectory(workPath);
var client = new MongoClient(Jobs.MongoConnectionString);
var db = client.GetDatabase(Jobs.MongoBlobsDbName);
var bucket = new GridFSBucket(db);
if (!ObjectId.TryParse(message.ZipMongoBlobId, out var blobId))
{
throw new InvalidOperationException($"Can't parse `{message.ZipMongoBlobId}` as ObjectId");
}
var bytes = bucket.DownloadAsBytes(blobId);
var zipFileName = $"{message.ZipMongoBlobId}.zip";
File.WriteAllBytes(zipFileName, bytes);
ZipFile.ExtractToDirectory(zipFileName, workPath);
}
return(workPath);
}
}
/// <summary>
/// GridFS文件操作——下载
/// </summary>
/// <param name="fileId"></param>
/// <returns></returns>
public byte[] DownLoad(ObjectId fileId)
{
var gridfs = new GridFSBucket(database);
byte[] fileData = gridfs.DownloadAsBytes(fileId);
return(fileData);
}
public void DownloadBlob()
{
var bucket = new GridFSBucket(db);
ObjectId.TryParse("5b550d43ad3ef0083c6e3ca7", out var id);
var data = bucket.DownloadAsBytes(id);
}
public byte[] ReadImage(string cardNumber)
{
MongoClient client = connection();
var db = client.GetDatabase("CreditCardIMG");
var bucket = new GridFSBucket(db);
var filter = Builders <GridFSFileInfo> .Filter.And(
Builders <GridFSFileInfo> .Filter.Eq(x => x.Filename, cardNumber));
var options = new GridFSFindOptions
{
Limit = 1
};
using (var cursor = bucket.Find(filter, options))
{
var fileInfo = cursor.ToList().FirstOrDefault();
if (fileInfo == null)
{
return(ReadImage("000000001111")); //Image Not Available.
}
else
{
var imageToReturn = bucket.DownloadAsBytes(fileInfo.Id);
return(imageToReturn);
}
}
}
public byte[] DownloadGridFsFile(string fileId)
{
var bucket = new GridFSBucket(mongoDatabase);
var id = new ObjectId(fileId);
var file = bucket.DownloadAsBytes(id);
return(file);
}
public byte[] DownloadAsBytes(ObjectId id, GridFSDownloadOptions options = null)
{
MongoClient client = GetClient(m_connectionStr);
var db = client.GetDatabase(DatabaseName);
var bucket = new GridFSBucket(db, BucksOptions);
return(bucket.DownloadAsBytes(id, options));
}
/// <summary>
/// 获得文件字节数组
/// </summary>
/// <param name="bucketName"></param>
/// <param name="fileId"></param>
/// <returns></returns>
public static Byte[] GetFileBytes(string bucketName, string fileId)
{
GridFSBucketOptions options = new GridFSBucketOptions();
options.BucketName = bucketName;
var bucket = new GridFSBucket(mongoContext, options);
return(bucket.DownloadAsBytes(new ObjectId(fileId)));
}
public IActionResult download(string id)
{
var aa = new ObjectId(id);
var gfs = new GridFSBucket(_db.Registros.Database);
var k = gfs.DownloadAsBytes(aa);
return(File(k, "APPLICATION/octet-stream", "aaaaa"));
}
public byte[] GetImage(string idstring)
{
var bucket = new GridFSBucket(db, new GridFSBucketOptions
{
BucketName = "UniversityImages",
});
ObjectId id = new ObjectId(idstring);
byte[] bytes = bucket.DownloadAsBytes(id);
return(bytes);
}
private static void RetrieveFromGridFS()
{
var bucket = new GridFSBucket(mongoDb, new GridFSBucketOptions {
BucketName = "pictures"
});
var filesIds = mongoDb.GetCollection <BsonDocument>("pictures.files").Find(new BsonDocument()).ToEnumerable().Select(doc => doc.GetElement("_id").Value);
foreach (var id in filesIds)
{
var fileBytes = bucket.DownloadAsBytes(id);
fileBytes = null;
}
}
//public DataTable GetDocmentListByPolicyHolder(string phid)
//{
// PierceMainTableAdapters.MongoDocumentLinkTableAdapter da = new PierceMainTableAdapters.MongoDocumentLinkTableAdapter();
// PierceMain.MongoDocumentLinkDataTable dt = new PierceMain.MongoDocumentLinkDataTable();
// try
// {
// da.FillBy(dt, phid);
// }
// catch (Exception ex)
// {
// ErrorMessage = ex.Message.ToString();
// }
// return dt;
//}
public string GetOneBucketDocumentById(string fileid)
{
SetupMongoDb();
string newid = string.Empty;
try
{
ObjectId obj = new ObjectId(fileid);
//var ObjectId = new database.ob('59c2b7df8dff1e3488c16c97');
var query = Query.EQ("_id", obj);
//var query = Query.EQ("_id",);
// db.document.findOne(query);
//var dbCollection = db.database.GetCollection("pdfs.files");
//var entity = dbCollection.Find(query);
////var intcount = entity.Count();
//if (entity !=null)
//{
// Debug.WriteLine(entity.ToString());
//}
//var fileids = db.database.GetCollection("pdfs.files").Find(query);
var bucket = new GridFSBucket(mongoDb, new GridFSBucketOptions {
BucketName = "pdfs"
});
var fileBytes = bucket.DownloadAsBytes(obj);
var ctr = fileBytes.Count();
// Debug.WriteLine(fileBytes);
string splitstring = fileBytes.ToString();
Array arrSplit = splitstring.Split(',');
ctr = arrSplit.Length;
//string unformatted = arrSplit.GetValue(0).ToString();
//Array arrsplit2 = unformatted.Split(':');
//string unformatted2 = arrsplit2.GetValue(1).ToString();
//int len = unformatted2.Length;
//int stoplen = len - 13;
//newid = unformatted2.Substring(11, stoplen);
}
catch (Exception ex)
{
ErrorMessage = ex.Message.ToString();
}
return(newid);
}
public IActionResult Get(string id, string name)
{
name = HttpUtility.UrlEncode(name);
bool checkId = ObjectId.TryParse(id, out ObjectId objectId);
var database = _client.GetDatabase("UploadDB");
GridFSBucket g = new GridFSBucket(database);
var obj = checkId ? g.DownloadAsBytes(objectId) : g.DownloadAsBytesByName(name);
if (obj != null)
{
return(File(obj, "application/octet-stream", name));
}
return(BadRequest("Not Find!"));
}
public void PutTest(MongoDatabaseFactory factory, byte[] data)
{
var sut = new MongoGridFSDataBus(factory);
var input = new MemoryStream(data);
var key = sut.Put(input, TimeSpan.FromDays(1)).Result;
var gridFsBucket = new GridFSBucket(factory.GetDatabase());
var result = gridFsBucket.DownloadAsBytes(ObjectId.Parse(key));
result.Length.Should().Be(data.Length);
result.Should().BeEquivalentTo(data);
}
public ActionResult GetImage(string id)
{
var gridFs = new GridFSBucket(Context.MongoDatabase);
//var filter = Builders<GridFSFileInfo>.Filter.Eq(x => x.Filename, "please-keep-your-voice-down.png");
var filter = Builders <GridFSFileInfo> .Filter.Eq(x => x.Metadata["Id"], new ObjectId(id));
var imageFileInfo = gridFs.Find(filter).FirstOrDefault();
var imageBytes = gridFs.DownloadAsBytes(imageFileInfo.Id);
if (imageBytes == null)
{
return(HttpNotFound());
}
return(File(imageBytes, imageFileInfo.Metadata["ContentType"].ToString()));
}
/// <summary>
/// 从FileBucket下载文件
/// </summary>
public byte[] DownloadFile(string filename)
{
// 从FileInfo查找文件信息
var collection = fileInfoDB.GetCollection <BucketFileInfo>(fileInfoDbName);
var results = collection.Find(fileInfo => fileInfo.FileName.Equals(filename));
if (results.Any())
{
var id = results.FirstOrDefault().Id;
return(fsBucket.DownloadAsBytes(id));
}
else
{
return(new byte[0]);
}
}
public FileInfo Get(string id)
{
var fileInfo = _fileStore.Get(id);
if (fileInfo == null)
{
throw new ArgumentNullException("未找到此文件");
}
var mongdbFileInfo = _gridFSBucket.Find(Builders <GridFSFileInfo <ObjectId> > .Filter.Eq(f => f.Metadata["fileInfoId"], id))
.FirstOrDefault();
if (mongdbFileInfo != null)
{
fileInfo.FileData = _gridFSBucket.DownloadAsBytes(mongdbFileInfo.Id);
}
return(fileInfo);
}
public ActionResult GetImage(string id)
{
try
{
IGridFSBucket bucket = new GridFSBucket(context.Database);
// Stream destination= new FileStream(@"C:\image.png",FileMode.OpenOrCreate);
var bytes = bucket.DownloadAsBytes(new ObjectId(id));
//var filter = Builders<Rental>.Filter.Where(f => f.ImageId == new ObjectId(id).ToString());
var aRental = context.Rentals.Find(f => f.ImageId == id).FirstOrDefault();
return(File(bytes, aRental != null && !String.IsNullOrEmpty(aRental.ImageType) ? aRental.ImageType:"png"));
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Used to download image from Alerts collection
/// </summary>
/// <param name="alert">Single alert field</param>
/// <param name="imgId">Id of downloading image</param>
/// <param name="number">ordinal number, must be unique</param>
/// <returns></returns>
public string DownloadImage(Alerts alert, ObjectId imgId, int number)
{
var bucket = new GridFSBucket(db);
var bytes = bucket.DownloadAsBytes(imgId);
var image = BytesToImage(bytes);
string path = alert.StudentFirstAndLastName + "\\" + alert.AlertName;
//If Directory does not exists then...
if (!(Directory.Exists(path)))
{
Directory.CreateDirectory(path);
}
string cleanString = Regex.Replace(alert.AddDate, @"[^0-9]", "_");
string fileName = cleanString + "_" + number + ".jpg";
path = Path.Combine(path, fileName);
Bitmap b = new Bitmap(image);
b.Save(path);
return(path);
}
public bool DownLoadFiles(String id, string url)
{
try
{
var option = new GridFSUploadOptions
{
};
var fs = new GridFSBucket(mongoDB.database);
var collection = mongoDB.database.GetCollection <Models.File>("fs.files");
var filter = Builders <Models.File> .Filter.Eq("_id", ObjectId.Parse(id));
var result = collection.Find(filter).ToList();
var fileDate = result[0];
var f = fs.DownloadAsBytes(ObjectId.Parse(id));
var path = Path.Combine(url, fileDate.filename);
System.IO.File.WriteAllBytes(@path, f);
return(true);
}
catch (Exception ex)
{
return(false);
}
}
// protected methods
protected byte[] InvokeMethod(GridFSBucket bucket)
{
return(bucket.DownloadAsBytes(_id, _options));
}
/// <summary>
/// 下载成byte数组
/// </summary>
/// <param name="id">mongodb主键</param>
/// <returns></returns>
public Byte[] DownloadAsByteArray(ObjectId id)
{
Byte[] bytes = bucket.DownloadAsBytes(id);
return(bytes);
}
public byte[] GetGridFilesById(ObjectId objId)
{
return(mGridFSBucket.DownloadAsBytes(objId));
}
public byte[] DownloadFile(string id)
{
return(bucket.DownloadAsBytes(new ObjectId(id)));
}
protected override void CallMethod(CancellationToken cancellationToken)
{
var bucket = new GridFSBucket(_database, _bucketOptions);
bucket.DownloadAsBytes(_id, _downloadOptions, cancellationToken);
}
// protected methods
protected byte[] InvokeMethod(GridFSBucket bucket)
{
return bucket.DownloadAsBytes(_id, _options);
}
public byte[] Get(string fileReference)
{
var fs = new GridFSBucket(_context.Database);
return(fs.DownloadAsBytes(new ObjectId(fileReference)));
}
