public IActionResult AddHomework(string lectureId, string courseId, string studentId, string homeworkFileName)
{
//Get the related lecture file (Homework)
var lectureFile = _lectureService.GetLectureFile(lectureId, homeworkFileName);
//Check if the request is valid
if (lectureFile == null)
{
return(NotFound());
}
//Get the delivery file
var homeworkDelivery = Request.Form.Files[0];
var homeworkDeliveryName = homeworkDelivery.Name;
//Delivery not exist, so make a new one
var oldHomeworkInDatabase =
_lectureService.HomeworkDeliveredFile(lectureId, homeworkFileName, studentId);
//Check if the file empty
if (homeworkDelivery.Length == 0)
{
return(BadRequest("fileEmpty"));
}
//Should not contains "!!!" because it used by my system for naming
if (homeworkDeliveryName.Contains("@"))
{
homeworkDeliveryName = homeworkDeliveryName.Replace("@", "");
}
if (homeworkDelivery.Length > 25 * 1024 * 1024)
{
return(BadRequest("largeFileMax25"));
}
var acceptedFiles = new List <string>()
{
"application/vnd.oasis.opendocument.text", "application/octet-stream",
"application/msword", "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"application/vnd.ms-excel", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
"application/vnd.openxmlformats-officedocument.presentationml.presentation",
"application/vnd.ms-powerpoint",
"application/pdf", "application/vnd.geogebra.file", "image/png", "image/jpeg"
};
if (!acceptedFiles.Contains(homeworkDelivery.ContentType))
{
Console.WriteLine($"File Type not supported is: {homeworkDelivery.ContentType} ------------------");
return(BadRequest("fileTypeNotSupported"));
}
var course = _courseService.GetCourse(courseId);
var lecture = _lectureService.GetLecture(lectureId);
var student = _userManager.GetUserAsync(User).Result;
if (course == null || lecture == null || student == null)
{
return(NotFound("errorHappened"));
}
var envRoot = _environment.ContentRootPath;
const string root = "wwwroot";
const string fileFolder = "Files";
const string homeworksDelivery = "HomeworksDelivery";
var courseTarget = course.Subject + "-" + course.StartDate.Year + "-" + course.Id;
var homeworkDeliveryFileName = "LecNr-" + lecture.Number + "-" + student.FirstName + "-" + student.LastName + "@" + homeworkDeliveryName;
var fileSaveTargetPath = Path.Combine(envRoot, root, fileFolder, homeworksDelivery, courseTarget, homeworkDeliveryFileName);
var fileGetPath = "~/" + fileFolder + "/" + homeworksDelivery + "/" + courseTarget + "/" + homeworkDeliveryFileName;
if (Directory.GetDirectories(envRoot + "/" + root, fileFolder).Length == 0)
{
Directory.CreateDirectory(Path.Combine(envRoot + "/" + root + "/" + fileFolder));
}
if (Directory.GetDirectories(envRoot + "/" + root + "/" + fileFolder, homeworksDelivery).Length == 0)
{
Directory.CreateDirectory(Path.Combine(envRoot + "/" + root + "/" + fileFolder + "/" + homeworksDelivery));
}
if (Directory.GetDirectories(envRoot + "/" + root + "/" + fileFolder + "/" + homeworksDelivery, courseTarget).Length == 0)
{
Directory.CreateDirectory(Path.Combine(envRoot + "/" + root + "/" + fileFolder + "/" + homeworksDelivery + "/" + courseTarget));
}
// if (Directory.GetFiles(envRoot+"/" + root + "/" + fileFolder + "/" + homeworksDelivery + "/" + courseTarget, homeworkDeliveryFileName).Length !=
// 0)
// return BadRequest("Files in same name delivered");
try
{
using (var stream = new FileStream(fileSaveTargetPath, FileMode.Create))
{
homeworkDelivery.CopyToAsync(stream).Wait();
}
var newHomeworkDeliveryFile = new Homework()
{
LectureFile = lectureFile, Name = homeworkDelivery.FileName, Path = fileGetPath, RootPath = fileSaveTargetPath, Student = student
};
if (oldHomeworkInDatabase != null)
{
System.IO.File.Delete(oldHomeworkInDatabase.RootPath);
_context.Remove(oldHomeworkInDatabase);
_context.SaveChanges();
}
_context.Add(newHomeworkDeliveryFile);
_context.SaveChanges();
return(Ok("File Added Successfully"));
}
catch (Exception e)
{
Console.WriteLine(e);
return(BadRequest("Error! Please refresh and try again."));
}
}
