private bool IsLearningObjectInLearnersCourses(LearningObject learningObject, int learnerId)
{
var courseId = _lectureRepository.GetCourseIdByLOId(learningObject.LearningObjectSummaryId);
var learner = _learnerRepository.GetById(learnerId);
return(learner.CourseEnrollments.Any(learnerCourseEnrollment =>
learnerCourseEnrollment.CourseId == courseId));
}
/// <summary>
/// 新增学习对象
/// </summary>
/// <param name="title">对象名称</param>
/// <param name="desc">对象描述</param>
/// <param name="isShare">其他人可见</param>
/// <param name="lContent">学习内容</param>
/// <param name="userId">创建者ID</param>
/// <returns>新增对象的ID</returns>
public static long AddNewOject(string title, string desc, int isShare, long userId, string lContent)
{
var db = new LAActivityEntities();
var lo = new LearningObject
{
Title = title,
Description = desc,
LearningContent = lContent,
IsShare = isShare,
CreatedBy = userId,
CreatedDate = DateTime.Now
};
db.LearningObject.Add(lo);
db.SaveChanges();
return(lo.LearningObjectID);
}
/// <summary>
/// 获取指定ID的学习对象
/// </summary>
/// <param name="loId">学习对象ID</param>
/// <returns>生成对象详情表</returns>
public static string GetLObjectById(long loId)
{
string strContent = "<table>";
var db = new LAActivityEntities();
LearningObject lObjects = db.LearningObject.FirstOrDefault(lo => lo.LearningObjectID == loId);
if (lObjects != null)
{
strContent += "<tr>";
strContent += "<td>对象名称:</td><td>" + lObjects.Title + "</td>";
strContent += "</tr><tr>";
strContent += "<td>创建时间:</td><td>" + lObjects.CreatedDate + "</td>";
strContent += "</tr><tr>";
strContent += "<td>对象描述:</td><td>" + lObjects.Description + "</td>";
//strContent += "</tr><tr>";
//strContent += "<td>学习内容:</td><td>" + lObjects.LearningContent + "</td>";
strContent += "</tr>";
}
strContent += "</table>";
return(strContent);
}
public ITrainer GetTrainer(LearningSubject subject, LearningObject obj, bool useCahce)
{
Type learnerType = null;
switch (obj)
{
case LearningObject.Network:
learnerType = typeof(ILearnableNetwork);
break;
case LearningObject.Neuron:
learnerType = typeof(ILearnableNeuron);
break;
default:
throw new ArgumentOutOfRangeException(nameof(obj), obj, null);
}
return(getTrainer(subject, null, learnerType, useCahce));
}
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 CreateLo()
{
_logger.Trace("New LO creating page requested");
LearningObject lo = new LearningObject();
return View(lo);
}
public ActionResult AddSelectedKnowledgesAsPrerequisites(LearningObject lo)
{
string stringOfKnowledgesIds = Request["selectedIds"];
if (!stringOfKnowledgesIds.IsEmpty())
{
HashSet<string> listOfKnIds = new HashSet<string>(stringOfKnowledgesIds.Split(',').ToList());
foreach (var id in listOfKnIds)
{
//var lo = db.GetLOByID(id);
var id1 = id;
var kn = _dbContext.KnowledgesCollection.Find(x => x.Id == ObjectId.Parse(id1)).SingleOrDefaultAsync().Result;
if (kn != null)
{
var comp = new Competence(kn.Id, BloomLevel.None);
if (!lo.Prerequisites.Contains(comp))
{
lo.Prerequisites.Add(comp);
}
}
}
}
if (lo.Id == ObjectId.Empty)
{
_logger.Trace("Knowledge added to LO as prerequisite during LO creating");
return View("CreateLO", lo);
}
else
{
_logger.Trace("Knowledge added to LO as prerequisite during LO editing");
return View("EditLO", lo);
}
}
public ActionResult SetDomainToLO(LearningObject lo)
{
string domainId = Request["selectedDomainId"];
ObjectId id;
if (ObjectId.TryParse(domainId, out id))
{
var domain = _dbContext.DomainsCollection.Find(x => x.Id == id).SingleOrDefaultAsync().Result;
if (domain != null)
{
lo.Domain = domain;
}
}
if (lo.Id == ObjectId.Empty)
{
_logger.Trace("Choosed domain:" + domainId + " for LO during LO creating");
return View("CreateLO", lo);
}
else
{
_logger.Trace("Choosed domain: " + domainId + " for LO during LO editing");
return View("EditLO", lo);
}
}
public ActionResult RemovePrerequisiteFromLO(LearningObject lo)
{
string idOfRelationEnd = Request["prerequisiteId"];
ObjectId id = ObjectId.Parse(idOfRelationEnd);
foreach (var prerequisite in lo.Prerequisites)
{
if (prerequisite.KnowledgeId == id)
{
lo.Prerequisites.Remove(prerequisite);
break;
}
}
if (lo.Id == ObjectId.Empty)
{
_logger.Trace("Removing prerequisite from LO during LO creating.");
return View("CreateLO", lo);
}
else
{
_logger.Trace("Removing prerequisite from LO during LO editing.");
return View("EditLO", lo);
}
}
public ActionResult RemoveOutcomeFromLO(LearningObject lo)
{
string idOfRelationEnd = Request["outcomeId"];
ObjectId id = ObjectId.Parse(idOfRelationEnd);
foreach (var outcome in lo.Outcomes)
{
if (outcome.KnowledgeId == id)
{
lo.Outcomes.Remove(outcome);
break;
}
}
if (lo.Id == ObjectId.Empty)
{
return View("CreateLO", lo);
}
else
{
return View("EditLO", lo);
}
}
public ITrainer GetTrainer(LearningSubject subject, LearningObject obj)
{
return(GetTrainer(subject, obj, true));
}
public ActionResult CreateLo()
{
LearningObject lo = new LearningObject();
return View(lo);
}
public ActionResult AddSelectedKnowledgesAsOutcomes(LearningObject lo)
{
string stringOfKnowledgesIds = Request["selectedIds"];
if (!stringOfKnowledgesIds.IsEmpty())
{
HashSet<string> listOfKnIds = new HashSet<string>(stringOfKnowledgesIds.Split(',').ToList());
foreach (var id in listOfKnIds)
{
//var lo = db.GetLOByID(id);
var kn = _dbContext.Ontology.Find(x => x.Id == ObjectId.Parse(id)).SingleOrDefaultAsync().Result;
if (kn != null)
{
Competence comp = new Competence(kn.Id, BloomLevel.None);
if (!lo.Outcomes.Contains(comp))
{
lo.Outcomes.Add(comp);
}
}
}
}
if (lo.Id == ObjectId.Empty)
{
return View("CreateLO", lo);
}
else
{
return View("EditLO", lo);
}
}
protected override void Seed(ApplicationDbContext db)
{
var progr1 = new ProgressState {
Name = "Not Started"
};
var progr2 = new ProgressState {
Name = "Started"
};
var progr3 = new ProgressState {
Name = "Complete"
};
var filial1 = new Filial {
Name = "Kiev 01 region"
};
var filial2 = new Filial {
Name = "Kiev 02 region"
};
var filial3 = new Filial {
Name = "Dnipro 01 region"
};
var filial4 = new Filial {
Name = "Kharkiv 01 region"
};
var jobPosition1 = new JobPosition {
Name = "Продавец"
};
var jobPosition2 = new JobPosition {
Name = "Консультант"
};
var saleGroup1 = new SaleGroup {
Code = "SG_INTEL", Name = "Группа продаж Intel"
};
var saleGroup2 = new SaleGroup {
Code = "SG_IBM", Name = "Группа продаж IBM"
};
var category1 = new CourseCategory {
Name = "Технические курсы", Description = "Технические направления"
};
var category2 = new CourseCategory {
Name = "Экономические курсы", Description = "Экономические направления"
};
var course1 = new Course {
Code = "TECH0001", CourseCategory = category1, Title = "C#. Advanced.", SaleGroup = saleGroup1
};
var course2 = new Course {
Code = "ECON0001", CourseCategory = category2, Title = "Маркетинг. Продажа RAID-массивов.", SaleGroup = saleGroup2
};
var lo1 = new LearningObject {
Course = course1, Name = "C# Intro", Description = "KPI", Order = 0
};
var lo2 = new LearningObject {
Course = course1, Name = "Math Functions", Description = "KPI", Order = 1
};
var lo3 = new LearningObject {
Course = course1, Name = "String Operations", Description = "KPI", Order = 2
};
var lo4 = new LearningObject {
Course = course2, Name = "Маркетинг IBM", Description = "eco", Order = 0
};
var lo5 = new LearningObject {
Course = course2, Name = "Карта потребительского рынка", Description = "eco", Order = 1
};
var lo6 = new LearningObject {
Course = course2, Name = "Стратегия продаж", Description = "eco", Order = 2
};
var q1 = new Question {
QuestionTypeId = 1, Content = "Who am I?"
};
db.Questions.Add(q1);
db.Filials.Add(filial1);
db.Filials.Add(filial2);
db.Filials.Add(filial3);
db.Filials.Add(filial4);
db.JobPositions.Add(jobPosition1);
db.JobPositions.Add(jobPosition2);
db.SaleGroups.Add(saleGroup1);
db.SaleGroups.Add(saleGroup2);
db.CourseCategories.Add(category1);
db.CourseCategories.Add(category2);
db.Courses.Add(course1);
db.Courses.Add(course2);
db.LearningObjects.Add(lo1);
db.LearningObjects.Add(lo2);
db.LearningObjects.Add(lo3);
db.LearningObjects.Add(lo4);
db.LearningObjects.Add(lo5);
db.LearningObjects.Add(lo6);
//db.SaveChanges();
}
public ActionResult EditLo(LearningObject incomingLo)
{
if (ModelState.IsValid)
{
try
{
incomingLo.LastModifiedTime = DateTime.Now;
_dbContext.LOs.ReplaceOneAsync(x=>x.Id == incomingLo.Id, incomingLo);
_logger.Trace("LO editing page query. Save LO");
return RedirectToAction("LOList", "Home");
}
catch (Exception ex)
{
_logger.Trace("LO editing page query. Error: " + 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 EditLo(LearningObject incomingLo)
{
if (ModelState.IsValid)
{
try
{
incomingLo.LastModifiedTime = DateTime.Now;
_dbContext.LOs.ReplaceOneAsync(x=>x.Id == incomingLo.Id, incomingLo);
//db.EditLO(incomingLo);
//MessageOnPage msg = new MessageOnPage("Succes", "LO succesfully added to DB");
return RedirectToAction("LOList", "Home");
}
catch (Exception ex)
{
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 void Update(LearningObject item)
{
throw new NotImplementedException();
}
