Esempio n. 1
0
        public Stream GetImageContent(string id)
        {
            if (string.IsNullOrEmpty(id))
            {
                return(null);
            }

            var objId = new ObjectId();

            if (!ObjectId.TryParse(id, out objId))
            {
                return(null);
            }

            var image = Get(id);

            if (string.IsNullOrEmpty(image.ContentId))
            {
                return(null);
            }

            var content = new MemoryStream();

            GridFs.DownloadToStream(ObjectId.Parse(image.ContentId), content);
            content.Position = 0;
            return(content);
        }
Esempio n. 2
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        public async Task <IEnumerable <GridFSFileInfo> > GetImages(IEnumerable <String> ImagesId)
        {
            var imagesList = new List <GridFSFileInfo>();

            foreach (var item in ImagesId)
            {
                imagesList.AddRange(await GridFs.Find(Builders <GridFSFileInfo> .
                                                      Filter.Eq(x => x.Metadata["FileID"], item)).ToListAsync());
            }

            return(imagesList);
        }
Esempio n. 3
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        public async Task UploadBytes(Byte[] source, String fileName)
        {
            _imageId = ObjectId.GenerateNewId().ToString();

            await GridFs.UploadFromBytesAsync(fileName, source,
                                              new GridFSUploadOptions
            {
                Metadata = new BsonDocument
                {
                    { "FileID", ImageId }
                }
            });
        }
Esempio n. 4
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        public async Task UploadStream(Stream stream, String fileName)
        {
            _imageId = ObjectId.GenerateNewId().ToString();

            await GridFs.UploadFromStreamAsync(fileName, stream,
                                               new GridFSUploadOptions
            {
                Metadata = new BsonDocument
                {
                    { "FileID", ImageId }
                }
            });
        }
Esempio n. 5
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        public Stream GetByContentId(string id)
        {
            var objId = new ObjectId();

            if (!ObjectId.TryParse(id, out objId))
            {
                return(null);
            }
            var content = new MemoryStream();

            GridFs.DownloadToStream(ObjectId.Parse(id), content);
            content.Position = 0;
            return(content);
        }
Esempio n. 6
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        public void Delete(string id)
        {
            var image = Get(id);

            if (image != null)
            {
                if (image.ContentId != null)
                {
                    GridFs.Delete(ObjectId.Parse(image.ContentId));
                }

                File.Delete(image.Filename);

                GridFs.Delete(ObjectId.Parse(image.Thumb.ContentId));

                var builder = Builders <Image> .Filter;
                var filter  = builder.Eq("_id", ObjectId.Parse(id));
                Collection.DeleteOne(filter);
            }
        }
        public async Task Delete(ObjectId fileId)
        {
            var fileIdFilter = Builders <BsonDocument> .Filter.Eq("files_id", fileId);

            await Task.WhenAll(GridFs.DeleteAsync(fileId), ChunksCollection.DeleteManyAsync(fileIdFilter));
        }
        public async Task <string> Get(ObjectId fileId)
        {
            var file = await GridFs.DownloadAsBytesAsync(fileId);

            return(Encoding.UTF8.GetString(file));
        }
 public async Task <ObjectId> Create(Guid id, Stream stream) =>
 await GridFs.UploadFromStreamAsync($"{id}.txt", stream);
 public async Task <ObjectId> Create(Guid id, string data) =>
 await GridFs.UploadFromBytesAsync($"{id}.txt",
                                   Encoding.UTF8.GetBytes(data));
Esempio n. 11
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 public string CreateThumb(string filename, Stream thumbContent)
 {
     thumbContent.Position = 0;
     return(GridFs.UploadFromStream(filename, thumbContent).ToString());
 }