public ActionResult DeleteLoFromCourse(string courseId, string loId)
{
if (courseId == null || loId == null)
{
_logger.Trace("Deleting LO from course. Course or LO Id == null");
return RedirectToAction("MessagePage", "Home", "ID is null");
}
var course = _dbContext.Courses.Find(x => x.Id == ObjectId.Parse(courseId)).SingleAsync().Result;
if (course != null)
{
course.ListOfLosId.Remove(ObjectId.Parse(loId));
var lo = _dbContext.LOs.Find(x => x.Id == ObjectId.Parse(loId)).SingleAsync().Result;
course.Duration -= lo.Duration;
_dbContext.Courses.ReplaceOneAsync(x => x.Id == ObjectId.Parse(courseId), course);
_logger.Trace("Deleting LO from course.");
return RedirectToAction("DetailsOfCourse", "Home", courseId);
}
else
{
_logger.Trace("Deleting LO from course. Error");
MessageOnPage errorMessage = new MessageOnPage("Error", "No course in base with id: " + courseId);
return RedirectToAction("MessagePage", "Home", errorMessage);
}
}
public ActionResult DeleteTask(string id)
{
if (id == null)
{
_logger.Trace("Task deleting by ID: id == null" );
MessageOnPage msg = new MessageOnPage("Task ID is null");
return RedirectToAction("MessagePage", "Home", msg);
}
TaskManagerClient client = new TaskManagerClient();
client.CancelTask(ObjectId.Parse(id)); //If task is run we have to cancel it first
var filter = Builders<GaTask>.Filter.Eq(s => s.Id, ObjectId.Parse(id));
_dbContext.CoursesCreatingTasks.DeleteOneAsync(filter);
_logger.Trace("Task deleting by ID: ");
return RedirectToAction("UserTasks", "Home");
}
public ActionResult CreateLo(LearningObject incomingLo)
{
if (ModelState.IsValid)
{
try
{
incomingLo.CreationTime = DateTime.Now;
incomingLo.LastModifiedTime = DateTime.Now;
var obj = ViewData["CustomUser"];
if (obj != null)
{
User currentUser = obj as User;
if (currentUser == null)
{
_logger.Trace("Error during LO saving: currentUser == null");
MessageOnPage errormsg = new MessageOnPage(" Error with current user identification");
return RedirectToAction("MessagePage", "Home", errormsg);
}
incomingLo.AuthorEmail = currentUser.Email;
_dbContext.LOs.InsertOneAsync(incomingLo);
_logger.Trace("User: "******" succesfully created LO");
return RedirectToAction("LOList", "Home");
}
else
{
_logger.Trace("Error during new LO saving: user cookies are corrupted or user are not log in");
throw new Exception("User cookies are corrupted or user are not log in");
}
}
catch (Exception ex)
{
_logger.Trace("Error during new LO saving: " + ex.Message);
string exceptionMessage = ex.Message;
string wholeMessage = @"<script language=""javascript"">alert('\n" + "Error during saving to database\n" + exceptionMessage + @"\n')</script>";
Response.Write(wholeMessage);
}
}
return View(incomingLo);
}
public ActionResult DeleteKnowledge(string id)
{
if (id == null)
{
_logger.Trace("Delete knowledge from ontology by ID: ");
MessageOnPage msg = new MessageOnPage("Knowledge ID is null");
return RedirectToAction("MessagePage", "Home", msg);
}
var knowledge = _dbContext.KnowledgesCollection.Find(x => x.Id == ObjectId.Parse(id)).SingleAsync().Result;
List<Relation> relations = new List<Relation>();
relations.AddRange(knowledge.Inputs);
relations.AddRange(knowledge.Outputs);
foreach (var relation in relations) //Delete all input and putput relations
{
var relation1 = relation;
_dbContext.OntologyRelationsCollection.DeleteOneAsync(x => x.Id == relation1.Id);
}
var filter = Builders<Knowledge>.Filter.Eq(s => s.Id, ObjectId.Parse(id));
_dbContext.KnowledgesCollection.DeleteOneAsync(filter);
_logger.Trace("Delete knowledge by ID: ");
return RedirectToAction("Ontology", "Home");
}
public ActionResult NewTask()
{
User currentUser = null;
var obj = ViewData["CustomUser"];
if (obj != null)
{
currentUser = obj as User;
}
if (currentUser == null)
{
_logger.Trace("New task page request by unregistered user.");
MessageOnPage msg = new MessageOnPage("Error with user identification");
return RedirectToAction("MessagePage", "Home", msg);
}
GaTask task = new GaTask()
{
Title = "Default task",
Description = "Default task description",
AuthorEmail = currentUser.Email,
BestFfValues = new Dictionary<int, double>(),
AverageFFvalues = new Dictionary<int, double>(),
WorstFfValues = new Dictionary<int, double>(),
DesiredDuration = 0,
GaConfigs = new GAConfigs()
{
GAIterationsNumber = 100,
CrossoverProbability = 60,
MutationProbability = 5,
ElitismPercentage = 30,
PopulationSize = 50,
MutationPeriod = 0
}
};
_logger.Trace("New task page request by: " + currentUser.Email);
return View(task);
}
public ActionResult NewTask(GaTask task)
{
if (ModelState.IsValid)
{
User currentUser = null;
var obj = ViewData["CustomUser"];
if (obj != null)
{
currentUser = obj as User;
}
if (currentUser == null)
{
MessageOnPage msg = new MessageOnPage("Error with user identification");
return RedirectToAction("MessagePage", "Home", msg);
}
var loList = _dbContext.LOs.Find(x => true).ToListAsync().Result;
task.SourceLearningObjects = new LearningObject[loList.Count];
for (int i = 0; i < loList.Count; i++)
{
task.SourceLearningObjects[i] = loList[i];
}
task.CreatigTime = DateTime.Now;
task.AuthorEmail = currentUser.Email;
TaskManagerClient client = new TaskManagerClient();
client.TaskRunAsync(task);
_logger.Trace("Course creating task launching.");
return RedirectToAction("UserTasks", "Home");
}
else
{
_logger.Trace("Course creating task launching. Attempt to launch. User is unregistered");
return View(task);
}
}
public ActionResult ManualCourseCreating()
{
User currentUser = null;
var obj = ViewData["CustomUser"];
if (obj != null)
{
currentUser = obj as User;
}
if (currentUser == null)
{
_logger.Trace("unregistered user started to create course manually.");
MessageOnPage msg = new MessageOnPage("Error with user identification");
return RedirectToAction("MessagePage", "Home", msg);
}
_logger.Trace("User " + currentUser.Email + " started to create course manually.");
Course course = new Course(authorEmail: currentUser.Email);
return View(course);
}
public ActionResult DeleteLoFromCourse(string courseId, string loId)
{
if (courseId == null || loId == null)
{
return RedirectToAction("MessagePage", "Home", "ID is null");
}
//var course = db.GetCourseByID(courseId);
var coursesList = _dbContext.Courses.Find(x => x.Id == ObjectId.Parse(courseId)).ToListAsync().Result;
if (coursesList != null)
{
var course = coursesList.First();
course.ListOfLosId.Remove(ObjectId.Parse(loId));
//course.ListOfLo.RemoveAll(x => x.Id == ObjectId.Parse(loId));
_dbContext.Courses.ReplaceOneAsync(x => x.Id == ObjectId.Parse(courseId), course);
//db.EditCourse(course);
return RedirectToAction("DetailsOfCourse", "Home", courseId);
}
else
{
MessageOnPage errorMessage = new MessageOnPage("Error", "No course in base with id: " + courseId);
return RedirectToAction("MessagePage", "Home", errorMessage);
}
}
public ActionResult ManualCourseCreating()
{
User currentUser = null;
var obj = ViewData["CustomUser"];
if (obj != null)
{
currentUser = obj as User;
}
if (currentUser == null)
{
MessageOnPage msg = new MessageOnPage("Error with user identification");
return RedirectToAction("MessagePage", "Home", msg);
}
Course course = new Course(authorEmail: currentUser.Email);
return View(course);
}
public ActionResult MessagePage(MessageOnPage msg)
{
return View(msg);
}
public ActionResult LoList()
{
var list = _dbContext.LOs.Find(x => true).ToListAsync().Result;
//var list = db.LearningObjects;
if (list.Count == 0)
{
MessageOnPage emptyListMessage = new MessageOnPage("List of learning objects", "Learning objects list is empty");
return RedirectToAction("MessagePage", "Home", emptyListMessage);
}
else
{
return View(list);
}
}
public ActionResult EditLo(string id)
{
if (id == null)
{
return RedirectToAction("MessagePage", "Home", "LO ID is null");
}
var lolist = _dbContext.LOs.Find(x => x.Id == ObjectId.Parse(id)).ToListAsync().Result;
var lo = lolist.First();
//var lo = db.GetLOByID(id);
if (lo != null)
{
return View(lo);
}
else
{
MessageOnPage errorMessage = new MessageOnPage("Error", "No LO in base with id: " + id);
return RedirectToAction("MessagePage", "Home", errorMessage);
}
}
public ActionResult EditCourse(string id)
{
if (id == null)
{
return RedirectToAction("MessagePage", "Home", "Course ID is null");
}
//var course = db.GetCourseByID(id);
var course = _dbContext.Courses.Find(x => x.Id == ObjectId.Parse(id)).ToListAsync().Result;
if (course != null)
{
return View(course.First());
}
else
{
MessageOnPage errorMessage = new MessageOnPage("Error", "No course in base with id: " + id);
return RedirectToAction("MessagePage", "Home", errorMessage);
}
}
public ActionResult EditCourse(string id)
{
if (id == null)
{
_logger.Trace("Course edit page. Error: id == null");
return RedirectToAction("MessagePage", "Home", "Course ID is null");
}
var course = _dbContext.Courses.Find(x => x.Id == ObjectId.Parse(id)).SingleAsync().Result;
if (course != null)
{
_logger.Trace("Course edit page.");
return View(course);
}
else
{
_logger.Trace("Course edit page. Error: course == null");
var errorMessage = new MessageOnPage("Error", "No course in base with id: " + id);
return RedirectToAction("MessagePage", "Home", errorMessage);
}
}
public ActionResult MessagePage(MessageOnPage msg)
{
_logger.Trace("Message page. Message:" + msg.MessageString);
return View(msg);
}
public ActionResult EditLo(string id)
{
if (id == null)
{
_logger.Trace("LO editing page query. Error: id == null");
return RedirectToAction("MessagePage", "Home", "LO ID is null");
}
var lo = _dbContext.LOs.Find(x => x.Id == ObjectId.Parse(id)).SingleAsync().Result;
if (lo != null)
{
_logger.Trace("LO editing page query.");
return View(lo);
}
else
{
_logger.Trace("LO editing page query. Error: Cant find LO with such ID");
MessageOnPage errorMessage = new MessageOnPage("Error", "No LO in base with id: " + id);
return RedirectToAction("MessagePage", "Home", errorMessage);
}
}
public ActionResult DeleteKnowledge(string id)
{
if (id == null)
{
MessageOnPage msg = new MessageOnPage("Knowledge ID is null");
return RedirectToAction("MessagePage", "Home", msg);
}
var filter = Builders<Knowledge>.Filter.Eq(s => s.Id, ObjectId.Parse(id));
_dbContext.Ontology.DeleteOneAsync(filter);
return RedirectToAction("Ontology", "Home");
}
