public async Task <FileStreamResult> GetFile(int id)
{
BinaryDto fileInfo = await _binaryService.GetFileInfoAsync(id);
Stream stream = await _binaryService.GetBinaryAsync(id);
var result = File(stream, fileInfo.ContentType, fileInfo.FileName);
return(result);
}
public async Task SaveBinaryTest()
{
TestingContext testingContext = new TestingContext();
testingContext.AddAdminPrincipalMock();
testingContext.AddLogServiceMock();
testingContext.AddRealDb();
testingContext.AddUserService();
IBinaryService service = testingContext.GetService <BinaryService>();
string testWord = "Hello World";
var bytes = System.Text.Encoding.UTF8.GetBytes(testWord);
MemoryStream stream = new MemoryStream();
stream.Write(bytes, 0, bytes.Length);
stream.Flush();
stream.Seek(0, SeekOrigin.Begin);
BinaryDto binaryDto = new BinaryDto
{
ContentDisposition = "ContentDisposition",
ContentType = "ContentType",
FileName = "FileName",
Name = "Name",
Length = 2334,
};
int id = await service.AddBinaryAsync(binaryDto);
//Act
await service.SaveAsync(id, stream);
//Assert
Stream streamToAssert = await service.GetBinaryAsync(id);
StreamReader reader = new StreamReader(streamToAssert);
string text = reader.ReadToEnd();
Assert.Equal(testWord, text);
//Cleanup
await service.DeleteBinaryAsync(id);
}
private async Task ExportBinaries(ZipArchive zip)
{
IQueryable <int> questionList = GetQuestionIds();
var result = await _context.RelQuestionImages
.Where(x => questionList.Contains(x.Question.Id))
.Select(x => new
{
BinaryId = x.Image.Binary.Id,
FileName = x.Image.Binary.FileName,
}).ToListAsync();
foreach (var item in result)
{
string fileName = $"{item.BinaryId}_{item.FileName}";
ZipArchiveEntry entry = zip.CreateEntry(fileName);
using (Stream entryStream = entry.Open())
{
Stream fileStream = await _binaryService.GetBinaryAsync(item.BinaryId);
await fileStream.CopyToAsync(entryStream);
}
}
}