public async Task <IActionResult> DownloadFile(string type, string name)
{
if (string.IsNullOrEmpty(type) || string.IsNullOrEmpty(name))
{
return(BadRequest(ApiResponseResource.Fail("Type or name is invalid.")));
}
var path = Path.Combine(Directory.GetCurrentDirectory(),
"wwwroot",
type,
name);
var memory = new MemoryStream();
try
{
await using var stream = new FileStream(path, FileMode.Open);
await stream.CopyToAsync(memory);
}
catch
{
return(BadRequest(ApiResponseResource.Fail("Type or name is invalid.")));
}
memory.Position = 0;
return(File(memory, GetContentType(name), name));
}
public async Task <IActionResult> SharedFiles(int classId, IFormFile file)
{
var userId = HttpContext.User.Claims.First(c => c.Type == "sub").Value;
if (file is null)
{
return(BadRequest(ApiResponseResource.Fail("The file is null.")));
}
var fileExtension = Path.GetExtension(file.FileName);
// Validate file
if (file.Length <= 0)
{
return(BadRequest(ApiResponseResource.Fail("Size of the file is zero.")));
}
if (file.Length > MaxSharedFilesAllowedSized)
{
return(BadRequest(ApiResponseResource.Fail("Size of the file is bigger than allowed size.")));
}
if (string.IsNullOrWhiteSpace(fileExtension) || fileExtension != ".rar" && fileExtension != ".zip")
{
return(StatusCode(415, ApiResponseResource.Fail("The file format is not valid.", 415)));
}
var theClass = await _context.Classes.FindAsync(classId);
if (theClass is null)
{
return(BadRequest(ApiResponseResource.Fail("The class not found.")));
}
if (theClass.InstructorId != userId)
{
return(BadRequest(ApiResponseResource.Fail("Only the instructor can upload.")));
}
// Store the file on hard disk
var sharedFilesFolderPath = $"{_environment.WebRootPath}\\Class Shared Files\\";
var fileName = $"{Guid.NewGuid()}{fileExtension}";
var filePath = $"{sharedFilesFolderPath}{fileName}";
await using var stream = System.IO.File.Create(filePath);
await file.CopyToAsync(stream);
// Add new file to the class shared files
theClass.SharedFiles.Add(new SharedFile
{
SavedName = fileName,
Description = Path.GetFileNameWithoutExtension(file.FileName),
VolumeInMg = (file.Length / Mb).ToString("F")
});
await _context.SaveChangesAsync();
return(Ok(ApiResponseResource.Success("New shared file added.")));
}