public async Task <FileMetadataDto> UploadFiles(Guid courseId, IFormFile file)
{
var course = _fileClassesCommunication.GetCourse(courseId);
if (course.Result == null || course.Result.Length == 0)
{
return(null);
}
// full path to file in temp location
FileMetadataDto result = null;
if (file.Length > 0)
{
var filePath = Path.GetTempFileName();
// copy files to temp location for checking
using (var stream = new FileStream(filePath, FileMode.Create))
{
await file.CopyToAsync(stream);
}
// check if files valid
if (CheckFileValid(filePath))
{
// create folder if it doesn't exists
if (!Directory.Exists("../files/" + courseId.ToString() + "/"))
{
Directory.CreateDirectory("../files/" + courseId.ToString() + "/");
}
var path = "../files/" + courseId.ToString() + "/";
// download files to server folder
using (var stream = new FileStream(path + file.FileName, FileMode.Create))
{
await file.CopyToAsync(stream);
}
// create metadatas
result = new FileMetadataDto
{
EntityId = Guid.NewGuid(),
CourseId = courseId,
Path = path,
FileName = file.FileName
};
// delete temp files after processing
if (File.Exists(filePath))
{
File.Delete(filePath);
}
}
}
var body = "The file '" + result.FileName + "' was added for the course '" + JObject.Parse(course.Result)["courseTitle"] + "'!";
var notification = new Notification
{
Subject = "A new file was added for one of your courses!",
Body = body,
Receiver = "*****@*****.**"
};
await _fileNotification.SendEmail(notification);
return(result);
}
