protected void Page_Load(object sender, EventArgs e)
{
//Response.Write(DateTime.Now.ToShortDateString());
Course_elearnDAO cdao = new Course_elearnDAO();
string id_str = null;
if (Request.QueryString["id"] != null)
{
id_str = Request.QueryString["id"];
int id_num = int.Parse(id_str);
current = cdao.get_course_by_id(id_num);
TestimonialDAO t = new TestimonialDAO();
testimonials = t.get_testimonials_by_course(current);
}
else
{
return;
}
if (!IsPostBack)
{
int id_num = int.Parse(id_str);
current = cdao.get_course_by_id(id_num);
lblCourseNameHeader.Text = current.getCourseName();
lblBreadcrumbCourseName.Text = current.getCourseName();
lblCourseName.Text = current.getCourseName();
lblCourseDescription.Text = current.getDescription();
hoursOutput.Text = current.getHoursAwarded().ToString();
if (!current.getTargetAudience().Equals(""))
{
lblTargetAudience.Text = current.getTargetAudience();
}
else
{
lblTargetAudience.Text = "-";
}
lblCoursePeriodStart.Text = "Start: " + current.getStartDate().ToLongDateString();
lblCoursePeriodEnd.Text = "End: " + current.getExpiryDate().ToLongDateString();
DateTime currentDateTime = DateTime.Now;
if (current.getStatus().Equals("Inactive") || !(DateTime.Compare(current.getStartDate(), currentDateTime) < 0 && DateTime.Compare(current.getExpiryDate(), currentDateTime) > 0))
{
panelInactive.Visible = true;
}
Page.Form.Attributes.Add("enctype", "multipart/form-data");
}
}
protected void Page_Load(object sender, EventArgs e)
{
//Response.Write(DateTime.Now.ToShortDateString());
Course_elearnDAO cdao = new Course_elearnDAO();
string id_str = null;
if (Request.QueryString["id"] != null)
{
id_str = Request.QueryString["id"];
int id_num = int.Parse(id_str);
current = cdao.get_course_by_id(id_num);
TestimonialDAO t = new TestimonialDAO();
testimonials = t.get_testimonials_by_course(current);
}
else
{
return;
}
if (!IsPostBack)
{
int id_num = int.Parse(id_str);
current = cdao.get_course_by_id(id_num);
lblCourseNameHeader.Text = current.getCourseName();
lblBreadcrumbCourseName.Text = current.getCourseName();
lblCourseName.Text = current.getCourseName();
lblCourseDescription.Text = current.getDescription();
hoursOutput.Text = current.getHoursAwarded().ToString();
if (!current.getTargetAudience().Equals(""))
{
lblTargetAudience.Text = current.getTargetAudience();
}
else
{
lblTargetAudience.Text = "-";
}
lblCoursePeriodStart.Text = "Start: " + current.getStartDate().ToLongDateString();
lblCoursePeriodEnd.Text = "End: " + current.getExpiryDate().ToLongDateString();
}
}
public Course_elearn create_elearnCourse(Course_elearn course)
{
SqlConnection conn = new SqlConnection();
Course_elearn toReturn = null;
try
{
conn = new SqlConnection();
string connstr = ConfigurationManager.ConnectionStrings["DBConnectionString"].ToString();
conn.ConnectionString = connstr;
conn.Open();
SqlCommand comm = new SqlCommand();
comm.Connection = conn;
comm.CommandText = "insert into [Elearn_course] " +
"(elearn_courseName, elearn_courseProvider, entry_date, start_date, expiry_date, status, description, categoryID, courseCreator, hoursAwarded, targetAudience, courseType) OUTPUT INSERTED.elearn_courseID " +
"values (@cName, @provider, Convert(datetime, @entry, 103), convert(datetime,@time,103), Convert(datetime,@expiry,103), @status, @desc, @category, @courseCreator, @hoursAwarded, @targetAudience, @courseType)";
comm.Parameters.AddWithValue("@cName", course.getCourseName());
if (course.getCourseProvider() != null)
{
comm.Parameters.AddWithValue("@provider", course.getCourseProvider());
}
else
{
comm.Parameters.AddWithValue("@provider", DBNull.Value);
}
comm.Parameters.AddWithValue("@entry", course.getEntryDate());
if (course.getStartDate() == null)
{
comm.Parameters.AddWithValue("@time", DBNull.Value);
}
else
{
comm.Parameters.AddWithValue("@time", course.getStartDate());
}
if (course.getExpiryDate() == null)
{
comm.Parameters.AddWithValue("@expiry", DBNull.Value);
}
else
{
comm.Parameters.AddWithValue("@expiry", course.getExpiryDate());
}
comm.Parameters.AddWithValue("@status", course.getStatus());
comm.Parameters.AddWithValue("@desc", course.getDescription());
comm.Parameters.AddWithValue("@category", course.getCategoryID());
comm.Parameters.AddWithValue("@courseCreator", course.getCourseCreator().getUserID());
comm.Parameters.AddWithValue("@hoursAwarded", course.getHoursAwarded());
comm.Parameters.AddWithValue("@targetAudience", course.getTargetAudience());
comm.Parameters.AddWithValue("@courseType", course.getCourseType());
int a = (Int32)comm.ExecuteScalar();
//need new method to create pre-requisities here to store in seperate table (pre-req table)
course.setCourseID(a);
toReturn = course;
}
catch (SqlException ex)
{
throw ex;
}
finally
{
conn.Close();
}
return(toReturn);
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["currentUser"] == null)
{
Response.Redirect("Login.aspx");
}
else
{
User currentUser = (User)Session["currentUser"];
Course_elearnDAO ceDAO = new Course_elearnDAO();
Course_elearn currentCourse = ceDAO.get_course_by_id(Convert.ToInt32(Request.QueryString["id"]));
Boolean superuser = false;
Boolean course_creator = false;
foreach (string s in currentUser.getRoles())
{
if (s.Equals("superuser"))
{
superuser = true;
}
else if (s.Equals("course creator"))
{
course_creator = true;
}
}
if (currentUser.getUserID() != currentCourse.getCourseCreator().getUserID() && !(superuser || course_creator))
{
Response.Redirect("errorPage.aspx");
}
else
{
if (!IsPostBack)
{
moduleType.SelectedValue = currentCourse.getCategoryID().ToString();
ddlCourseType.SelectedValue = currentCourse.getCourseType();
nameOfModuleInput.Text = currentCourse.getCourseName();
lblBreadcrumbCourseName.Text = currentCourse.getCourseName();
descriptionModuleInput.Text = currentCourse.getDescription();
hoursInput.Text = currentCourse.getHoursAwarded().ToString();
if (currentCourse.getTargetAudience() != null)
{
txtTargetAudience.Text = currentCourse.getTargetAudience().ToString();
}
fromDateInput.Text = currentCourse.getStartDate().ToString("dd/MM/yyyy");
toDateInput.Text = currentCourse.getExpiryDate().ToString("dd/MM/yyyy");
//prerequisites
ArrayList allPrerequisites = currentCourse.getPrerequisite();
List <int> prereqIDlist = new List <int>();
foreach (Course_elearn prereq in allPrerequisites)
{
prereqIDlist.Add(prereq.getCourseID());
}
Session["selectedPrereq"] = prereqIDlist;
var itemIDs = string.Join(",", ((IList <int>)Session["selectedPrereq"]).ToArray());
//postrequisites
List <int> postReqIDList = getAllPostRequisiteCourses(currentCourse.getCourseID());
List <int> postReqIDListNoDup = new List <int>();
foreach (int postreqID in postReqIDList)
{
if (!postReqIDListNoDup.Contains(postreqID) && postReqIDList.Contains(postreqID))
{
postReqIDListNoDup.Add(postreqID);
}
}
Session["selectedPostreq"] = postReqIDListNoDup;
var itemIDs2 = string.Join(",", ((IList <int>)Session["selectedPostreq"]).ToArray());
//to load course list
var sqlQueryCourseList = "";
if (itemIDs.Length > 0 && itemIDs2.Length > 0)
{
sqlQueryCourseList = String.Format("SELECT * FROM [Elearn_course] ec INNER JOIN [Elearn_courseCategory] ecc ON ec.categoryID = ecc.categoryID WHERE ec.status='active' and ec.start_date<=getDate() and ec.expiry_date>=getDate() and ec.elearn_courseID NOT IN ({0}) and ec.elearn_courseID NOT IN ({1}) and ec.courseType='Online Learning' and ec.elearn_courseID != " + currentCourse.getCourseID(), itemIDs, itemIDs2);
}
else if (itemIDs.Length > 0 && itemIDs2.Length < 1)
{
sqlQueryCourseList = String.Format("SELECT * FROM [Elearn_course] ec INNER JOIN [Elearn_courseCategory] ecc ON ec.categoryID = ecc.categoryID WHERE ec.status='active' and ec.start_date<=getDate() and ec.expiry_date>=getDate() and ec.elearn_courseID NOT IN ({0}) and ec.courseType='Online Learning' and ec.elearn_courseID != " + currentCourse.getCourseID(), itemIDs);
}
else if (itemIDs.Length < 1 && itemIDs2.Length > 0)
{
sqlQueryCourseList = String.Format("SELECT * FROM [Elearn_course] ec INNER JOIN [Elearn_courseCategory] ecc ON ec.categoryID = ecc.categoryID WHERE ec.status='active' and ec.start_date<=getDate() and ec.expiry_date>=getDate() and ec.elearn_courseID NOT IN ({0}) and ec.courseType='Online Learning' and ec.elearn_courseID != " + currentCourse.getCourseID(), itemIDs2);
}
else
{
sqlQueryCourseList = String.Format("SELECT * FROM [Elearn_course] ec INNER JOIN [Elearn_courseCategory] ecc ON ec.categoryID = ecc.categoryID WHERE ec.status='active' and ec.start_date<=getDate() and ec.expiry_date>=getDate() and ec.courseType='Online Learning' and ec.elearn_courseID != " + currentCourse.getCourseID());
}
SqlDataSource1.SelectCommand = sqlQueryCourseList;
gvPrereq.DataSource = SqlDataSource1;
gvPrereq.DataBind();
gvPrereq.UseAccessibleHeader = true;
if (gvPrereq.Rows.Count > 0)
{
gvPrereq.HeaderRow.TableSection = TableRowSection.TableHeader;
}
//to load prereq cart
var sqlQuery = "";
if (itemIDs.Length > 0)
{
sqlQuery = String.Format("SELECT * FROM [Elearn_course] WHERE [elearn_courseID] IN ({0}) and elearn_courseID != " + currentCourse.getCourseID(), itemIDs);
}
else
{
sqlQuery = "SELECT * FROM [Elearn_course] WHERE [elearn_courseID] = -1";
}
SqlDataSourcePrereqCart.SelectCommand = sqlQuery;
gvPrereqCart.DataSource = SqlDataSourcePrereqCart;
gvPrereqCart.DataBind();
Session["currentMod"] = nameOfModuleInput.Text;
}
}
}
}
protected Boolean checkIfCompletedAllPrerequisite(string userID, int quizID)
{
QuizDAO quizDAO = new QuizDAO();
QuizResultDAO qrDAO = new QuizResultDAO();
Course_elearnDAO ceDAO = new Course_elearnDAO();
Quiz currentQuiz = quizDAO.getQuizByID(quizID);
Course_elearn currentCourse = currentQuiz.getMainCourse();
//check user completed all prereq course's quizzes
ArrayList allPrereqCourses = ceDAO.getPrereqOfCourse(currentCourse.getCourseID());
if (allPrereqCourses.Count > 0)
{
foreach (Course_elearn ce in allPrereqCourses)
{
if (ce.getStatus().Equals("active") && (ce.getStartDate() <= DateTime.Now.Date && ce.getExpiryDate() >= DateTime.Now.Date))
{
List <Quiz> allQuizzes = quizDAO.getAllQuizByCourseID(ce.getCourseID());
foreach (Quiz innerQuiz in allQuizzes)
{
if (!qrDAO.getQuizResultByUserIDandQuizID(userID, innerQuiz.getQuizID()))
{
return(false);
}
}
}
}
}
//if all prereq courses cleared, to check current quiz's prereqs
ArrayList allPrerequisites = quizDAO.getPrereqOfQuiz(quizID);
foreach (Quiz prereq in allPrerequisites)
{
if (currentCourse.getStatus().Equals("active") && (currentCourse.getStartDate() <= DateTime.Now.Date && currentCourse.getExpiryDate() >= DateTime.Now.Date))
{
if (!qrDAO.getQuizResultByUserIDandQuizID(userID, prereq.getQuizID()))
{
return(false);
}
}
}
return(true);
}